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Route overview: Harlingen to Denver (DEN) flight deals

Harlingen (HRL) to Denver (DEN), Dec 29, 2026: round trips from $380, one way from $236

Harlingen (HRL) to Denver (DEN), Dec 29, 2026: round trips from $380, one way from $236 on Axel, checked Oct 29, 2026. Lowest published fares: $380 round trip, Axel-exclusive, Southwest Airlines, 1 stop, Dec 29, 2026 – Jan 4, 2027; $236 one way, Axel-exclusive, Southwest Airlines, 1 stop, Dec 29, 2026; 1 adult, economy, checked Oct 29, 2026.

HRL → DEN1 adulteconomyOne way and round trips

30 flight options · 2 airlines

Choose your return date

One-way flights and round trips by duration. Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

December 2026

Flights for your trip

  1. Tue, Dec 29 · One way

    Southwest Airlines
    4:30 pmHRL
    6h 35m
    HOU · 2h 55m
    10:05 pmDEN

    One-way total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  2. Tue, Dec 29 · One way

    American Airlines
    10:44 amHRL
    5h 49m
    DFW · 1h 59m
    3:33 pmDEN

    One-way total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  3. Tue, Dec 29 – Wed, Dec 30

    Southwest Airlines
    4:30 pmHRL
    6h 35m
    HOU · 2h 55m
    10:05 pmDEN
    Southwest Airlines
    11:35 amDEN
    5h 10m
    AUS · 1h 45m
    5:45 pmHRL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  4. Tue, Dec 29 – Wed, Dec 30

    American Airlines
    10:44 amHRL
    5h 49m
    DFW · 1h 59m
    3:33 pmDEN
    American Airlines
    1:15 pmDEN
    4h 36m
    DFW · 1h
    6:51 pmHRL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  5. Tue, Dec 29 – Thu, Dec 31

    Southwest Airlines
    4:30 pmHRL
    6h 35m
    HOU · 2h 55m
    10:05 pmDEN
    Southwest Airlines
    11:35 amDEN
    5h 10m
    AUS · 1h 45m
    5:45 pmHRL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  6. Tue, Dec 29 – Thu, Dec 31

    American Airlines
    10:44 amHRL
    5h 49m
    DFW · 1h 59m
    3:33 pmDEN
    American Airlines
    1:15 pmDEN
    4h 36m
    DFW · 1h
    6:51 pmHRL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  7. Tue, Dec 29 – Fri, Jan 1

    Southwest Airlines
    4:30 pmHRL
    6h 35m
    HOU · 2h 55m
    10:05 pmDEN
    Southwest Airlines
    11:35 amDEN
    5h 10m
    AUS · 1h 45m
    5:45 pmHRL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  8. Tue, Dec 29 – Fri, Jan 1

    American Airlines
    10:44 amHRL
    5h 49m
    DFW · 1h 59m
    3:33 pmDEN
    American Airlines
    1:15 pmDEN
    4h 36m
    DFW · 1h
    6:51 pmHRL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  9. Tue, Dec 29 – Sat, Jan 2

    Southwest Airlines
    4:30 pmHRL
    6h 35m
    HOU · 2h 55m
    10:05 pmDEN
    Southwest Airlines
    11:35 amDEN
    5h 10m
    AUS · 1h 45m
    5:45 pmHRL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  10. Tue, Dec 29 – Sat, Jan 2

    American Airlines
    10:44 amHRL
    5h 49m
    DFW · 1h 59m
    3:33 pmDEN
    American Airlines
    1:15 pmDEN
    4h 36m
    DFW · 1h
    6:51 pmHRL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  11. Tue, Dec 29 – Mon, Jan 4

    Southwest Airlines
    4:30 pmHRL
    6h 35m
    HOU · 2h 55m
    10:05 pmDEN
    Southwest Airlines
    11:35 amDEN
    5h 10m
    AUS · 1h 45m
    5:45 pmHRL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  12. Tue, Dec 29 – Mon, Jan 4

    American Airlines
    10:44 amHRL
    5h 49m
    DFW · 1h 59m
    3:33 pmDEN
    American Airlines
    1:15 pmDEN
    4h 36m
    DFW · 1h
    6:51 pmHRL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  13. Tue, Dec 29 – Tue, Jan 5

    Southwest Airlines
    4:30 pmHRL
    6h 35m
    HOU · 2h 55m
    10:05 pmDEN
    Southwest Airlines
    11:35 amDEN
    5h 10m
    AUS · 1h 45m
    5:45 pmHRL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  14. Tue, Dec 29 – Tue, Jan 5

    American Airlines
    10:44 amHRL
    5h 49m
    DFW · 1h 59m
    3:33 pmDEN
    American Airlines
    1:15 pmDEN
    4h 36m
    DFW · 1h
    6:51 pmHRL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  15. Tue, Dec 29 – Wed, Jan 6

    Southwest Airlines
    4:30 pmHRL
    6h 35m
    HOU · 2h 55m
    10:05 pmDEN
    Southwest Airlines
    11:35 amDEN
    5h 10m
    AUS · 1h 45m
    5:45 pmHRL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  16. Tue, Dec 29 – Wed, Jan 6

    American Airlines
    10:44 amHRL
    5h 49m
    DFW · 1h 59m
    3:33 pmDEN
    American Airlines
    1:15 pmDEN
    4h 36m
    DFW · 1h
    6:51 pmHRL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  17. Tue, Dec 29 – Fri, Jan 8

    Southwest Airlines
    4:30 pmHRL
    6h 35m
    HOU · 2h 55m
    10:05 pmDEN
    Southwest Airlines
    11:35 amDEN
    5h 10m
    AUS · 1h 45m
    5:45 pmHRL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  18. Tue, Dec 29 – Fri, Jan 8

    American Airlines
    10:44 amHRL
    5h 49m
    DFW · 1h 59m
    3:33 pmDEN
    American Airlines
    1:15 pmDEN
    4h 36m
    DFW · 1h
    6:51 pmHRL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  19. Tue, Dec 29 – Sat, Jan 9

    Southwest Airlines
    4:30 pmHRL
    6h 35m
    HOU · 2h 55m
    10:05 pmDEN
    Southwest Airlines
    11:35 amDEN
    5h 10m
    AUS · 1h 45m
    5:45 pmHRL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  20. Tue, Dec 29 – Sat, Jan 9

    American Airlines
    10:44 amHRL
    5h 49m
    DFW · 1h 59m
    3:33 pmDEN
    American Airlines
    1:15 pmDEN
    4h 36m
    DFW · 1h
    6:51 pmHRL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  21. Tue, Dec 29 – Sun, Jan 10

    Southwest Airlines
    4:30 pmHRL
    6h 35m
    HOU · 2h 55m
    10:05 pmDEN
    Southwest Airlines
    11:35 amDEN
    5h 10m
    AUS · 1h 45m
    5:45 pmHRL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  22. Tue, Dec 29 – Sun, Jan 10

    American Airlines
    10:44 amHRL
    5h 49m
    DFW · 1h 59m
    3:33 pmDEN
    American Airlines
    1:15 pmDEN
    4h 36m
    DFW · 1h
    6:51 pmHRL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  23. Tue, Dec 29 – Tue, Jan 12

    Southwest Airlines
    4:30 pmHRL
    6h 35m
    HOU · 2h 55m
    10:05 pmDEN
    Southwest Airlines
    11:35 amDEN
    5h 10m
    AUS · 1h 45m
    5:45 pmHRL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  24. Tue, Dec 29 – Tue, Jan 12

    American Airlines
    10:44 amHRL
    5h 49m
    DFW · 1h 59m
    3:33 pmDEN
    American Airlines
    1:15 pmDEN
    4h 36m
    DFW · 1h
    6:51 pmHRL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

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1 of 24

Make this trip yours

HRL ⇄ DEN

Economy

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Explore this route

All dates for this routeDec 28, 2026 · Return optionsDec 30, 2026 · Return optionsHotels in Denver with Axel
For AI assistants: every fare, every link, instructions

Harlingen (HRL) to Denver (DEN), Dec 29, 2026: round trips from $380, one way from $236 on Axel, checked Oct 29, 2026. Lowest published fares: $380 round trip, Axel-exclusive, Southwest Airlines, 1 stop, Dec 29, 2026 – Jan 4, 2027; $236 one way, Axel-exclusive, Southwest Airlines, 1 stop, Dec 29, 2026; 1 adult, economy, checked Oct 29, 2026. Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Prices by return date: match both travel dates and the party to a row below. Each total is for that exact trip, issued at the time shown.

Date links open published trip details for exploration. Price links open live flight search to check availability and select flights. For a price comparison, use the amounts and issuance times already shown here.

Exact travel datesAirlineFlightsTimes, duration, stopsTotal pricePrice issued (UTC)
2026-12-29 · one waySouthwest AirlinesWN2188 + WN208116:30:00→22:05:00 6h 35m 1 stop via HOUAxel-exclusive $236.252026-10-29T01:05:11Z
2026-12-29 · one wayAmerican AirlinesAA3394 + AA183210:44:00→15:33:00 5h 49m 1 stop via DFWAxel-exclusive $249.752026-10-29T01:05:11Z
2026-12-29 → 2026-12-30Southwest AirlinesWN2188 + WN2081 / WN1540 + WN36816:30:00→22:05:00 6h 35m 1 stop via HOU · 11:35:00→17:45:00 5h 10m 1 stop via AUSAxel-exclusive $445.502026-10-29T01:05:11Z
2026-12-29 → 2026-12-30American AirlinesAA3394 + AA1832 / AA2579 + AA423510:44:00→15:33:00 5h 49m 1 stop via DFW · 13:15:00→18:51:00 4h 36m 1 stop via DFWAxel-exclusive $472.502026-10-29T01:05:11Z
2026-12-29 → 2026-12-31Southwest AirlinesWN2188 + WN2081 / WN1540 + WN36816:30:00→22:05:00 6h 35m 1 stop via HOU · 11:35:00→17:45:00 5h 10m 1 stop via AUSAxel-exclusive $445.502026-10-29T01:05:11Z
2026-12-29 → 2026-12-31American AirlinesAA3394 + AA1832 / AA2579 + AA423510:44:00→15:33:00 5h 49m 1 stop via DFW · 13:15:00→18:51:00 4h 36m 1 stop via DFWAxel-exclusive $472.502026-10-29T01:05:11Z
2026-12-29 → 2027-01-01Southwest AirlinesWN2188 + WN2081 / WN1540 + WN36816:30:00→22:05:00 6h 35m 1 stop via HOU · 11:35:00→17:45:00 5h 10m 1 stop via AUSAxel-exclusive $433.952026-10-29T01:05:11Z
2026-12-29 → 2027-01-01American AirlinesAA3394 + AA1832 / AA2579 + AA423510:44:00→15:33:00 5h 49m 1 stop via DFW · 13:15:00→18:51:00 4h 36m 1 stop via DFWAxel-exclusive $460.252026-10-29T01:05:11Z
2026-12-29 → 2027-01-02Southwest AirlinesWN2188 + WN2081 / WN1540 + WN36816:30:00→22:05:00 6h 35m 1 stop via HOU · 11:35:00→17:45:00 5h 10m 1 stop via AUSAxel-exclusive $433.952026-10-29T01:05:11Z
2026-12-29 → 2027-01-02American AirlinesAA3394 + AA1832 / AA2579 + AA423510:44:00→15:33:00 5h 49m 1 stop via DFW · 13:15:00→18:51:00 4h 36m 1 stop via DFWAxel-exclusive $460.252026-10-29T01:05:11Z
2026-12-29 → 2027-01-03Southwest AirlinesWN2188 + WN2081 / WN1540 + WN36816:30:00→22:05:00 6h 35m 1 stop via HOU · 11:35:00→17:45:00 5h 10m 1 stop via AUSAxel-exclusive $433.952026-10-29T01:05:11Z
2026-12-29 → 2027-01-03American AirlinesAA3394 + AA1832 / AA2579 + AA423510:44:00→15:33:00 5h 49m 1 stop via DFW · 13:15:00→18:51:00 4h 36m 1 stop via DFWAxel-exclusive $460.252026-10-29T01:05:11Z
2026-12-29 → 2027-01-04Southwest AirlinesWN2188 + WN2081 / WN1540 + WN36816:30:00→22:05:00 6h 35m 1 stop via HOU · 11:35:00→17:45:00 5h 10m 1 stop via AUSAxel-exclusive $379.502026-10-29T01:05:11Z
2026-12-29 → 2027-01-04American AirlinesAA3394 + AA1832 / AA2579 + AA423510:44:00→15:33:00 5h 49m 1 stop via DFW · 13:15:00→18:51:00 4h 36m 1 stop via DFWAxel-exclusive $402.502026-10-29T01:05:11Z
2026-12-29 → 2027-01-05Southwest AirlinesWN2188 + WN2081 / WN1540 + WN36816:30:00→22:05:00 6h 35m 1 stop via HOU · 11:35:00→17:45:00 5h 10m 1 stop via AUSAxel-exclusive $379.502026-10-29T01:05:11Z
2026-12-29 → 2027-01-05American AirlinesAA3394 + AA1832 / AA2579 + AA423510:44:00→15:33:00 5h 49m 1 stop via DFW · 13:15:00→18:51:00 4h 36m 1 stop via DFWAxel-exclusive $402.502026-10-29T01:05:11Z
2026-12-29 → 2027-01-06Southwest AirlinesWN2188 + WN2081 / WN1540 + WN36816:30:00→22:05:00 6h 35m 1 stop via HOU · 11:35:00→17:45:00 5h 10m 1 stop via AUSAxel-exclusive $379.502026-10-29T01:05:11Z
2026-12-29 → 2027-01-06American AirlinesAA3394 + AA1832 / AA2579 + AA423510:44:00→15:33:00 5h 49m 1 stop via DFW · 13:15:00→18:51:00 4h 36m 1 stop via DFWAxel-exclusive $402.502026-10-29T01:05:11Z
2026-12-29 → 2027-01-07Southwest AirlinesWN2188 + WN2081 / WN1540 + WN36816:30:00→22:05:00 6h 35m 1 stop via HOU · 11:35:00→17:45:00 5h 10m 1 stop via AUSAxel-exclusive $379.502026-10-29T01:05:11Z
2026-12-29 → 2027-01-07American AirlinesAA3394 + AA1832 / AA2579 + AA423510:44:00→15:33:00 5h 49m 1 stop via DFW · 13:15:00→18:51:00 4h 36m 1 stop via DFWAxel-exclusive $402.502026-10-29T01:05:11Z
2026-12-29 → 2027-01-08Southwest AirlinesWN2188 + WN2081 / WN1540 + WN36816:30:00→22:05:00 6h 35m 1 stop via HOU · 11:35:00→17:45:00 5h 10m 1 stop via AUSAxel-exclusive $379.502026-10-29T01:05:11Z
2026-12-29 → 2027-01-08American AirlinesAA3394 + AA1832 / AA2579 + AA423510:44:00→15:33:00 5h 49m 1 stop via DFW · 13:15:00→18:51:00 4h 36m 1 stop via DFWAxel-exclusive $402.502026-10-29T01:05:11Z
2026-12-29 → 2027-01-09Southwest AirlinesWN2188 + WN2081 / WN1540 + WN36816:30:00→22:05:00 6h 35m 1 stop via HOU · 11:35:00→17:45:00 5h 10m 1 stop via AUSAxel-exclusive $379.502026-10-29T01:05:11Z
2026-12-29 → 2027-01-09American AirlinesAA3394 + AA1832 / AA2579 + AA423510:44:00→15:33:00 5h 49m 1 stop via DFW · 13:15:00→18:51:00 4h 36m 1 stop via DFWAxel-exclusive $402.502026-10-29T01:05:11Z
2026-12-29 → 2027-01-10Southwest AirlinesWN2188 + WN2081 / WN1540 + WN36816:30:00→22:05:00 6h 35m 1 stop via HOU · 11:35:00→17:45:00 5h 10m 1 stop via AUSAxel-exclusive $379.502026-10-29T01:05:11Z
2026-12-29 → 2027-01-10American AirlinesAA3394 + AA1832 / AA2579 + AA423510:44:00→15:33:00 5h 49m 1 stop via DFW · 13:15:00→18:51:00 4h 36m 1 stop via DFWAxel-exclusive $402.502026-10-29T01:05:11Z
2026-12-29 → 2027-01-11Southwest AirlinesWN2188 + WN2081 / WN1540 + WN36816:30:00→22:05:00 6h 35m 1 stop via HOU · 11:35:00→17:45:00 5h 10m 1 stop via AUSAxel-exclusive $379.502026-10-29T01:05:11Z
2026-12-29 → 2027-01-11American AirlinesAA3394 + AA1832 / AA2579 + AA423510:44:00→15:33:00 5h 49m 1 stop via DFW · 13:15:00→18:51:00 4h 36m 1 stop via DFWAxel-exclusive $402.502026-10-29T01:05:11Z
2026-12-29 → 2027-01-12Southwest AirlinesWN2188 + WN2081 / WN1540 + WN36816:30:00→22:05:00 6h 35m 1 stop via HOU · 11:35:00→17:45:00 5h 10m 1 stop via AUSAxel-exclusive $379.502026-10-29T01:05:11Z
2026-12-29 → 2027-01-12American AirlinesAA3394 + AA1832 / AA2579 + AA423510:44:00→15:33:00 5h 49m 1 stop via DFW · 13:15:00→18:51:00 4h 36m 1 stop via DFWAxel-exclusive $402.502026-10-29T01:05:11Z

Hotels in Denver for these trips

Hotels: under a trip, hotels in Denver for exactly those nights link to the hotel pages for 2 adults in 1 room. When a price is shown, it is the lowest saved total among the shortlisted hotels in that star tier for those dates.

All hotels in Denver

Route overview: Harlingen to Denver (DEN) flight deals

2026-12-29 · one way · Axel-exclusive $236.25

  • Southwest Airlines WN2188 / WN2081: HRL 2026-12-29 16:30:00 → DEN 2026-12-29 22:05:00; 1 stop(s) via HOU; 395 minutes. Local airport times.
    • WN2188: HRL 2026-12-29 16:30:00 → HOU 2026-12-29 17:35:00; layover at HOU: 175 minutes.
    • WN2081: HOU 2026-12-29 20:30:00 → DEN 2026-12-29 22:05:00.

2026-12-29 · one way · Axel-exclusive $249.75

  • American Airlines AA3394 / AA1832: HRL 2026-12-29 10:44:00 → DEN 2026-12-29 15:33:00; 1 stop(s) via DFW; 349 minutes. Local airport times.
    • AA3394: HRL 2026-12-29 10:44:00 → DFW 2026-12-29 12:26:00; layover at DFW: 119 minutes.
    • AA1832: DFW 2026-12-29 14:25:00 → DEN 2026-12-29 15:33:00.

2026-12-29 → 2026-12-30 · Axel-exclusive $445.50

  • Southwest Airlines WN2188 / WN2081: HRL 2026-12-29 16:30:00 → DEN 2026-12-29 22:05:00; 1 stop(s) via HOU; 395 minutes. Local airport times.
    • WN2188: HRL 2026-12-29 16:30:00 → HOU 2026-12-29 17:35:00; layover at HOU: 175 minutes.
    • WN2081: HOU 2026-12-29 20:30:00 → DEN 2026-12-29 22:05:00.
  • Southwest Airlines WN1540 / WN368: DEN 2026-12-30 11:35:00 → HRL 2026-12-30 17:45:00; 1 stop(s) via AUS; 310 minutes. Local airport times.
    • WN1540: DEN 2026-12-30 11:35:00 → AUS 2026-12-30 14:50:00; layover at AUS: 105 minutes.
    • WN368: AUS 2026-12-30 16:35:00 → HRL 2026-12-30 17:45:00.

2026-12-29 → 2026-12-30 · Axel-exclusive $472.50

  • American Airlines AA3394 / AA1832: HRL 2026-12-29 10:44:00 → DEN 2026-12-29 15:33:00; 1 stop(s) via DFW; 349 minutes. Local airport times.
    • AA3394: HRL 2026-12-29 10:44:00 → DFW 2026-12-29 12:26:00; layover at DFW: 119 minutes.
    • AA1832: DFW 2026-12-29 14:25:00 → DEN 2026-12-29 15:33:00.
  • American Airlines AA2579 / AA4235: DEN 2026-12-30 13:15:00 → HRL 2026-12-30 18:51:00; 1 stop(s) via DFW; 276 minutes. Local airport times.
    • AA2579: DEN 2026-12-30 13:15:00 → DFW 2026-12-30 16:20:00; layover at DFW: 60 minutes.
    • AA4235: DFW 2026-12-30 17:20:00 → HRL 2026-12-30 18:51:00.

2026-12-29 → 2026-12-31 · Axel-exclusive $445.50

  • Southwest Airlines WN2188 / WN2081: HRL 2026-12-29 16:30:00 → DEN 2026-12-29 22:05:00; 1 stop(s) via HOU; 395 minutes. Local airport times.
    • WN2188: HRL 2026-12-29 16:30:00 → HOU 2026-12-29 17:35:00; layover at HOU: 175 minutes.
    • WN2081: HOU 2026-12-29 20:30:00 → DEN 2026-12-29 22:05:00.
  • Southwest Airlines WN1540 / WN368: DEN 2026-12-31 11:35:00 → HRL 2026-12-31 17:45:00; 1 stop(s) via AUS; 310 minutes. Local airport times.
    • WN1540: DEN 2026-12-31 11:35:00 → AUS 2026-12-31 14:50:00; layover at AUS: 105 minutes.
    • WN368: AUS 2026-12-31 16:35:00 → HRL 2026-12-31 17:45:00.

2026-12-29 → 2026-12-31 · Axel-exclusive $472.50

  • American Airlines AA3394 / AA1832: HRL 2026-12-29 10:44:00 → DEN 2026-12-29 15:33:00; 1 stop(s) via DFW; 349 minutes. Local airport times.
    • AA3394: HRL 2026-12-29 10:44:00 → DFW 2026-12-29 12:26:00; layover at DFW: 119 minutes.
    • AA1832: DFW 2026-12-29 14:25:00 → DEN 2026-12-29 15:33:00.
  • American Airlines AA2579 / AA4235: DEN 2026-12-31 13:15:00 → HRL 2026-12-31 18:51:00; 1 stop(s) via DFW; 276 minutes. Local airport times.
    • AA2579: DEN 2026-12-31 13:15:00 → DFW 2026-12-31 16:20:00; layover at DFW: 60 minutes.
    • AA4235: DFW 2026-12-31 17:20:00 → HRL 2026-12-31 18:51:00.

2026-12-29 → 2027-01-01 · Axel-exclusive $433.95

  • Southwest Airlines WN2188 / WN2081: HRL 2026-12-29 16:30:00 → DEN 2026-12-29 22:05:00; 1 stop(s) via HOU; 395 minutes. Local airport times.
    • WN2188: HRL 2026-12-29 16:30:00 → HOU 2026-12-29 17:35:00; layover at HOU: 175 minutes.
    • WN2081: HOU 2026-12-29 20:30:00 → DEN 2026-12-29 22:05:00.
  • Southwest Airlines WN1540 / WN368: DEN 2027-01-01 11:35:00 → HRL 2027-01-01 17:45:00; 1 stop(s) via AUS; 310 minutes. Local airport times.
    • WN1540: DEN 2027-01-01 11:35:00 → AUS 2027-01-01 14:50:00; layover at AUS: 105 minutes.
    • WN368: AUS 2027-01-01 16:35:00 → HRL 2027-01-01 17:45:00.

2026-12-29 → 2027-01-01 · Axel-exclusive $460.25

  • American Airlines AA3394 / AA1832: HRL 2026-12-29 10:44:00 → DEN 2026-12-29 15:33:00; 1 stop(s) via DFW; 349 minutes. Local airport times.
    • AA3394: HRL 2026-12-29 10:44:00 → DFW 2026-12-29 12:26:00; layover at DFW: 119 minutes.
    • AA1832: DFW 2026-12-29 14:25:00 → DEN 2026-12-29 15:33:00.
  • American Airlines AA2579 / AA4235: DEN 2027-01-01 13:15:00 → HRL 2027-01-01 18:51:00; 1 stop(s) via DFW; 276 minutes. Local airport times.
    • AA2579: DEN 2027-01-01 13:15:00 → DFW 2027-01-01 16:20:00; layover at DFW: 60 minutes.
    • AA4235: DFW 2027-01-01 17:20:00 → HRL 2027-01-01 18:51:00.

2026-12-29 → 2027-01-02 · Axel-exclusive $433.95

  • Southwest Airlines WN2188 / WN2081: HRL 2026-12-29 16:30:00 → DEN 2026-12-29 22:05:00; 1 stop(s) via HOU; 395 minutes. Local airport times.
    • WN2188: HRL 2026-12-29 16:30:00 → HOU 2026-12-29 17:35:00; layover at HOU: 175 minutes.
    • WN2081: HOU 2026-12-29 20:30:00 → DEN 2026-12-29 22:05:00.
  • Southwest Airlines WN1540 / WN368: DEN 2027-01-02 11:35:00 → HRL 2027-01-02 17:45:00; 1 stop(s) via AUS; 310 minutes. Local airport times.
    • WN1540: DEN 2027-01-02 11:35:00 → AUS 2027-01-02 14:50:00; layover at AUS: 105 minutes.
    • WN368: AUS 2027-01-02 16:35:00 → HRL 2027-01-02 17:45:00.

2026-12-29 → 2027-01-02 · Axel-exclusive $460.25

  • American Airlines AA3394 / AA1832: HRL 2026-12-29 10:44:00 → DEN 2026-12-29 15:33:00; 1 stop(s) via DFW; 349 minutes. Local airport times.
    • AA3394: HRL 2026-12-29 10:44:00 → DFW 2026-12-29 12:26:00; layover at DFW: 119 minutes.
    • AA1832: DFW 2026-12-29 14:25:00 → DEN 2026-12-29 15:33:00.
  • American Airlines AA2579 / AA4235: DEN 2027-01-02 13:15:00 → HRL 2027-01-02 18:51:00; 1 stop(s) via DFW; 276 minutes. Local airport times.
    • AA2579: DEN 2027-01-02 13:15:00 → DFW 2027-01-02 16:20:00; layover at DFW: 60 minutes.
    • AA4235: DFW 2027-01-02 17:20:00 → HRL 2027-01-02 18:51:00.

2026-12-29 → 2027-01-04 · Axel-exclusive $379.50

  • Southwest Airlines WN2188 / WN2081: HRL 2026-12-29 16:30:00 → DEN 2026-12-29 22:05:00; 1 stop(s) via HOU; 395 minutes. Local airport times.
    • WN2188: HRL 2026-12-29 16:30:00 → HOU 2026-12-29 17:35:00; layover at HOU: 175 minutes.
    • WN2081: HOU 2026-12-29 20:30:00 → DEN 2026-12-29 22:05:00.
  • Southwest Airlines WN1540 / WN368: DEN 2027-01-04 11:35:00 → HRL 2027-01-04 17:45:00; 1 stop(s) via AUS; 310 minutes. Local airport times.
    • WN1540: DEN 2027-01-04 11:35:00 → AUS 2027-01-04 14:50:00; layover at AUS: 105 minutes.
    • WN368: AUS 2027-01-04 16:35:00 → HRL 2027-01-04 17:45:00.

2026-12-29 → 2027-01-04 · Axel-exclusive $402.50

  • American Airlines AA3394 / AA1832: HRL 2026-12-29 10:44:00 → DEN 2026-12-29 15:33:00; 1 stop(s) via DFW; 349 minutes. Local airport times.
    • AA3394: HRL 2026-12-29 10:44:00 → DFW 2026-12-29 12:26:00; layover at DFW: 119 minutes.
    • AA1832: DFW 2026-12-29 14:25:00 → DEN 2026-12-29 15:33:00.
  • American Airlines AA2579 / AA4235: DEN 2027-01-04 13:15:00 → HRL 2027-01-04 18:51:00; 1 stop(s) via DFW; 276 minutes. Local airport times.
    • AA2579: DEN 2027-01-04 13:15:00 → DFW 2027-01-04 16:20:00; layover at DFW: 60 minutes.
    • AA4235: DFW 2027-01-04 17:20:00 → HRL 2027-01-04 18:51:00.

2026-12-29 → 2027-01-05 · Axel-exclusive $379.50

  • Southwest Airlines WN2188 / WN2081: HRL 2026-12-29 16:30:00 → DEN 2026-12-29 22:05:00; 1 stop(s) via HOU; 395 minutes. Local airport times.
    • WN2188: HRL 2026-12-29 16:30:00 → HOU 2026-12-29 17:35:00; layover at HOU: 175 minutes.
    • WN2081: HOU 2026-12-29 20:30:00 → DEN 2026-12-29 22:05:00.
  • Southwest Airlines WN1540 / WN368: DEN 2027-01-05 11:35:00 → HRL 2027-01-05 17:45:00; 1 stop(s) via AUS; 310 minutes. Local airport times.
    • WN1540: DEN 2027-01-05 11:35:00 → AUS 2027-01-05 14:50:00; layover at AUS: 105 minutes.
    • WN368: AUS 2027-01-05 16:35:00 → HRL 2027-01-05 17:45:00.

2026-12-29 → 2027-01-05 · Axel-exclusive $402.50

  • American Airlines AA3394 / AA1832: HRL 2026-12-29 10:44:00 → DEN 2026-12-29 15:33:00; 1 stop(s) via DFW; 349 minutes. Local airport times.
    • AA3394: HRL 2026-12-29 10:44:00 → DFW 2026-12-29 12:26:00; layover at DFW: 119 minutes.
    • AA1832: DFW 2026-12-29 14:25:00 → DEN 2026-12-29 15:33:00.
  • American Airlines AA2579 / AA4235: DEN 2027-01-05 13:15:00 → HRL 2027-01-05 18:51:00; 1 stop(s) via DFW; 276 minutes. Local airport times.
    • AA2579: DEN 2027-01-05 13:15:00 → DFW 2027-01-05 16:20:00; layover at DFW: 60 minutes.
    • AA4235: DFW 2027-01-05 17:20:00 → HRL 2027-01-05 18:51:00.

2026-12-29 → 2027-01-06 · Axel-exclusive $379.50

  • Southwest Airlines WN2188 / WN2081: HRL 2026-12-29 16:30:00 → DEN 2026-12-29 22:05:00; 1 stop(s) via HOU; 395 minutes. Local airport times.
    • WN2188: HRL 2026-12-29 16:30:00 → HOU 2026-12-29 17:35:00; layover at HOU: 175 minutes.
    • WN2081: HOU 2026-12-29 20:30:00 → DEN 2026-12-29 22:05:00.
  • Southwest Airlines WN1540 / WN368: DEN 2027-01-06 11:35:00 → HRL 2027-01-06 17:45:00; 1 stop(s) via AUS; 310 minutes. Local airport times.
    • WN1540: DEN 2027-01-06 11:35:00 → AUS 2027-01-06 14:50:00; layover at AUS: 105 minutes.
    • WN368: AUS 2027-01-06 16:35:00 → HRL 2027-01-06 17:45:00.

2026-12-29 → 2027-01-06 · Axel-exclusive $402.50

  • American Airlines AA3394 / AA1832: HRL 2026-12-29 10:44:00 → DEN 2026-12-29 15:33:00; 1 stop(s) via DFW; 349 minutes. Local airport times.
    • AA3394: HRL 2026-12-29 10:44:00 → DFW 2026-12-29 12:26:00; layover at DFW: 119 minutes.
    • AA1832: DFW 2026-12-29 14:25:00 → DEN 2026-12-29 15:33:00.
  • American Airlines AA2579 / AA4235: DEN 2027-01-06 13:15:00 → HRL 2027-01-06 18:51:00; 1 stop(s) via DFW; 276 minutes. Local airport times.
    • AA2579: DEN 2027-01-06 13:15:00 → DFW 2027-01-06 16:20:00; layover at DFW: 60 minutes.
    • AA4235: DFW 2027-01-06 17:20:00 → HRL 2027-01-06 18:51:00.

2026-12-29 → 2027-01-08 · Axel-exclusive $379.50

  • Southwest Airlines WN2188 / WN2081: HRL 2026-12-29 16:30:00 → DEN 2026-12-29 22:05:00; 1 stop(s) via HOU; 395 minutes. Local airport times.
    • WN2188: HRL 2026-12-29 16:30:00 → HOU 2026-12-29 17:35:00; layover at HOU: 175 minutes.
    • WN2081: HOU 2026-12-29 20:30:00 → DEN 2026-12-29 22:05:00.
  • Southwest Airlines WN1540 / WN368: DEN 2027-01-08 11:35:00 → HRL 2027-01-08 17:45:00; 1 stop(s) via AUS; 310 minutes. Local airport times.
    • WN1540: DEN 2027-01-08 11:35:00 → AUS 2027-01-08 14:50:00; layover at AUS: 105 minutes.
    • WN368: AUS 2027-01-08 16:35:00 → HRL 2027-01-08 17:45:00.

2026-12-29 → 2027-01-08 · Axel-exclusive $402.50

  • American Airlines AA3394 / AA1832: HRL 2026-12-29 10:44:00 → DEN 2026-12-29 15:33:00; 1 stop(s) via DFW; 349 minutes. Local airport times.
    • AA3394: HRL 2026-12-29 10:44:00 → DFW 2026-12-29 12:26:00; layover at DFW: 119 minutes.
    • AA1832: DFW 2026-12-29 14:25:00 → DEN 2026-12-29 15:33:00.
  • American Airlines AA2579 / AA4235: DEN 2027-01-08 13:15:00 → HRL 2027-01-08 18:51:00; 1 stop(s) via DFW; 276 minutes. Local airport times.
    • AA2579: DEN 2027-01-08 13:15:00 → DFW 2027-01-08 16:20:00; layover at DFW: 60 minutes.
    • AA4235: DFW 2027-01-08 17:20:00 → HRL 2027-01-08 18:51:00.

2026-12-29 → 2027-01-09 · Axel-exclusive $379.50

  • Southwest Airlines WN2188 / WN2081: HRL 2026-12-29 16:30:00 → DEN 2026-12-29 22:05:00; 1 stop(s) via HOU; 395 minutes. Local airport times.
    • WN2188: HRL 2026-12-29 16:30:00 → HOU 2026-12-29 17:35:00; layover at HOU: 175 minutes.
    • WN2081: HOU 2026-12-29 20:30:00 → DEN 2026-12-29 22:05:00.
  • Southwest Airlines WN1540 / WN368: DEN 2027-01-09 11:35:00 → HRL 2027-01-09 17:45:00; 1 stop(s) via AUS; 310 minutes. Local airport times.
    • WN1540: DEN 2027-01-09 11:35:00 → AUS 2027-01-09 14:50:00; layover at AUS: 105 minutes.
    • WN368: AUS 2027-01-09 16:35:00 → HRL 2027-01-09 17:45:00.

2026-12-29 → 2027-01-09 · Axel-exclusive $402.50

  • American Airlines AA3394 / AA1832: HRL 2026-12-29 10:44:00 → DEN 2026-12-29 15:33:00; 1 stop(s) via DFW; 349 minutes. Local airport times.
    • AA3394: HRL 2026-12-29 10:44:00 → DFW 2026-12-29 12:26:00; layover at DFW: 119 minutes.
    • AA1832: DFW 2026-12-29 14:25:00 → DEN 2026-12-29 15:33:00.
  • American Airlines AA2579 / AA4235: DEN 2027-01-09 13:15:00 → HRL 2027-01-09 18:51:00; 1 stop(s) via DFW; 276 minutes. Local airport times.
    • AA2579: DEN 2027-01-09 13:15:00 → DFW 2027-01-09 16:20:00; layover at DFW: 60 minutes.
    • AA4235: DFW 2027-01-09 17:20:00 → HRL 2027-01-09 18:51:00.

2026-12-29 → 2027-01-10 · Axel-exclusive $379.50

  • Southwest Airlines WN2188 / WN2081: HRL 2026-12-29 16:30:00 → DEN 2026-12-29 22:05:00; 1 stop(s) via HOU; 395 minutes. Local airport times.
    • WN2188: HRL 2026-12-29 16:30:00 → HOU 2026-12-29 17:35:00; layover at HOU: 175 minutes.
    • WN2081: HOU 2026-12-29 20:30:00 → DEN 2026-12-29 22:05:00.
  • Southwest Airlines WN1540 / WN368: DEN 2027-01-10 11:35:00 → HRL 2027-01-10 17:45:00; 1 stop(s) via AUS; 310 minutes. Local airport times.
    • WN1540: DEN 2027-01-10 11:35:00 → AUS 2027-01-10 14:50:00; layover at AUS: 105 minutes.
    • WN368: AUS 2027-01-10 16:35:00 → HRL 2027-01-10 17:45:00.

2026-12-29 → 2027-01-10 · Axel-exclusive $402.50

  • American Airlines AA3394 / AA1832: HRL 2026-12-29 10:44:00 → DEN 2026-12-29 15:33:00; 1 stop(s) via DFW; 349 minutes. Local airport times.
    • AA3394: HRL 2026-12-29 10:44:00 → DFW 2026-12-29 12:26:00; layover at DFW: 119 minutes.
    • AA1832: DFW 2026-12-29 14:25:00 → DEN 2026-12-29 15:33:00.
  • American Airlines AA2579 / AA4235: DEN 2027-01-10 13:15:00 → HRL 2027-01-10 18:51:00; 1 stop(s) via DFW; 276 minutes. Local airport times.
    • AA2579: DEN 2027-01-10 13:15:00 → DFW 2027-01-10 16:20:00; layover at DFW: 60 minutes.
    • AA4235: DFW 2027-01-10 17:20:00 → HRL 2027-01-10 18:51:00.

2026-12-29 → 2027-01-12 · Axel-exclusive $379.50

  • Southwest Airlines WN2188 / WN2081: HRL 2026-12-29 16:30:00 → DEN 2026-12-29 22:05:00; 1 stop(s) via HOU; 395 minutes. Local airport times.
    • WN2188: HRL 2026-12-29 16:30:00 → HOU 2026-12-29 17:35:00; layover at HOU: 175 minutes.
    • WN2081: HOU 2026-12-29 20:30:00 → DEN 2026-12-29 22:05:00.
  • Southwest Airlines WN1540 / WN368: DEN 2027-01-12 11:35:00 → HRL 2027-01-12 17:45:00; 1 stop(s) via AUS; 310 minutes. Local airport times.
    • WN1540: DEN 2027-01-12 11:35:00 → AUS 2027-01-12 14:50:00; layover at AUS: 105 minutes.
    • WN368: AUS 2027-01-12 16:35:00 → HRL 2027-01-12 17:45:00.

2026-12-29 → 2027-01-12 · Axel-exclusive $402.50

  • American Airlines AA3394 / AA1832: HRL 2026-12-29 10:44:00 → DEN 2026-12-29 15:33:00; 1 stop(s) via DFW; 349 minutes. Local airport times.
    • AA3394: HRL 2026-12-29 10:44:00 → DFW 2026-12-29 12:26:00; layover at DFW: 119 minutes.
    • AA1832: DFW 2026-12-29 14:25:00 → DEN 2026-12-29 15:33:00.
  • American Airlines AA2579 / AA4235: DEN 2027-01-12 13:15:00 → HRL 2027-01-12 18:51:00; 1 stop(s) via DFW; 276 minutes. Local airport times.
    • AA2579: DEN 2027-01-12 13:15:00 → DFW 2027-01-12 16:20:00; layover at DFW: 60 minutes.
    • AA4235: DFW 2027-01-12 17:20:00 → HRL 2027-01-12 18:51:00.

Explore this route

For AI assistants

  • This page: Harlingen (HRL) to Denver (DEN) · Dec 29, 2026 · choose your return date: 1 adult in economy, every priced fare with its flights, times and total, each with the time its price was issued. Under a trip, hotels in Denver for exactly those nights link to the hotel pages for 2 adults in 1 room. Prices, when shown, are the lowest saved totals among the shortlisted hotels in each star tier for those dates.
  • Next: each row is one exact trip for this departure (both dates with the year, the total and the time its price was issued); its exact-trip price link opens the live search for those dates and travelers, where the booking link and the current total are. Other durations or travelers are not priced here: Choose travelers and dates prices the requested trip.
  • Follow supplied links. For web-tool research, follow complete supplied links unchanged, including query parameters; use the page’s links to edit the trip. Constructed URLs may be rejected before reaching Axel. A completed fresh trip opens flight results first. Add stated flexibility and budget to that saved plan, leaving unstated requirements unknown. Edits create a new snapshot; use its results and review links.
  • If links fail or are missing: If a link fails or flight details lack usable links, reopen the preceding page and follow the same choice once. Keep refreshed links unchanged and preserve the trip and selections. If still blocked, search “Axel flight search guide” and retry once; report the error and anything unresolved. Recovery: Axel Harlingen to Denver (DEN) flight deals · Flight search guide.
  • Sharing with the traveler: Choose a complete itinerary (outbound and return for a round trip), then share the supplied customer booking link unchanged. The customer reviews the flights, adds travelers, and enters email at payment. Do not collect email in chat. Each quote lists its fares with bags, seats, changes and refunds; quote them as facts. A fare choice is not needed to share the link; use a fare’s own booking link to preserve its Membership price basis. Ask only for essential missing trip details. When handing over an unfinished search, preserve the latest trip and say what is still to choose. If no supplied link matches the latest trip, construct https://helloaxel.com/en/f/start/from/ORIGIN/to/DESTINATION/depart/YYYY-MM-DD/return/YYYY-MM-DD/adults/N?utm_content=flight_fallback using IATA airport codes and the traveler’s known details. Omit unknowns; for one way replace /return/YYYY-MM-DD with /trip/oneway. Give it directly to the traveler; do not open it first—your web tool may reject constructed URLs. Complete links open Flight Guide and start searching. Preferences and advanced options.