Travel with Axel,
get the best price.

Pittsburgh → Denver

Dec 25, 2026 · return Jan 4, 2027

PIT → DEN1 adulteconomyRound trip

10 flight options · 3 airlines

Nonstop flights

Fri, Dec 25 – Mon, Jan 4

Southwest Airlines
6:35 pmPIT
3h 35m
Nonstop
8:10 pmDEN
Southwest Airlines
10:55 amDEN
2h 50m
Nonstop
3:45 pmPIT

Round-trip total · 1 adult · Taxes included

Fri, Dec 25 – Mon, Jan 4

United Airlines
4:50 pmPIT
3h 34m
Nonstop
6:24 pmDEN
United Airlines
9:35 amDEN
3h 2m
Nonstop
2:37 pmPIT

Round-trip total · 1 adult · Taxes included

Fri, Dec 25 – Mon, Jan 4

Southwest Airlines
5:40 pmPIT
3h 35m
Nonstop
7:15 pmDEN
Southwest Airlines
10:55 amDEN
2h 50m
Nonstop
3:45 pmPIT

Round-trip total · 1 adult · Taxes included

Fri, Dec 25 – Mon, Jan 4

United Airlines
8:30 amPIT
3h 38m
Nonstop
10:08 amDEN
United Airlines
9:35 amDEN
3h 2m
Nonstop
2:37 pmPIT

Round-trip total · 1 adult · Taxes included

One-stop flights

Fri, Dec 25 – Mon, Jan 4

Delta Air Lines
3:59 pmPIT
6h 20m
MSP · 1h 40m
8:19 pmDEN
Delta Air Lines
3:50 pmDEN
5h 23m
MSP · 1h 6m
11:13 pmPIT

Round-trip total · 1 adult · Taxes included

Fri, Dec 25 – Mon, Jan 4

Southwest Airlines
5:25 amPIT
6h 55m
HOU · 1h 5m
10:20 amDEN
Southwest Airlines
10:55 amDEN
2h 50m
Nonstop
3:45 pmPIT

Round-trip total · 1 adult · Taxes included

Fri, Dec 25 – Mon, Jan 4

Southwest Airlines
9:10 pmPIT
5h 35m
BNA · 1h
12:45 am+1DEN
Southwest Airlines
10:55 amDEN
2h 50m
Nonstop
3:45 pmPIT

Round-trip total · 1 adult · Taxes included

Fri, Dec 25 – Mon, Jan 4

Southwest Airlines
6:30 pmPIT
5h 25m
STL · 1h 10m
9:55 pmDEN
Southwest Airlines
10:55 amDEN
2h 50m
Nonstop
3:45 pmPIT

Round-trip total · 1 adult · Taxes included

Fri, Dec 25 – Mon, Jan 4

Southwest Airlines
8:25 amPIT
6h 5m
MDW · 1h 50m
12:30 pmDEN
Southwest Airlines
10:55 amDEN
2h 50m
Nonstop
3:45 pmPIT

Round-trip total · 1 adult · Taxes included

Fri, Dec 25 – Mon, Jan 4

Delta Air Lines
10:31 amPIT
6h 43m
DTW · 2h 16m
3:14 pmDEN
Delta Air Lines
3:50 pmDEN
5h 23m
MSP · 1h 6m
11:13 pmPIT

Round-trip total · 1 adult · Taxes included

Make this trip yours

PIT ⇄ DEN

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

No account needed to see prices.

Already have an account? Log in

Why book with Axel
  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, Southwest Airlines emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
  • Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
  • Not satisfied? Full refund.If you are unhappy with the experience for any reason, or simply change your mind, cancel within 24 hours of booking (departure 7+ days away) and we refund you in full. We stand by our product. Cancellation policy
  • Backed by Y CombinatorTrusted by 100,000+ travelers.

Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About

More dates

All dates for this routeOct 30, 2026 → Nov 2, 2026Oct 31, 2026 → Nov 7, 2026Nov 13, 2026 → Nov 16, 2026Nov 14, 2026 → Nov 21, 2026Nov 24, 2026 → Nov 29, 2026Nov 27, 2026 → Nov 30, 2026Nov 28, 2026 → Dec 5, 2026Dec 11, 2026 → Dec 14, 2026Dec 12, 2026 → Dec 19, 2026Dec 22, 2026 → Dec 27, 2026Dec 25, 2026 → Dec 28, 2026Dec 26, 2026 → Jan 2, 2027Dec 30, 2026 → Jan 2, 2027Jan 8, 2027 → Jan 11, 2027Jan 9, 2027 → Jan 16, 2027Jan 15, 2027 → Jan 18, 2027Jan 22, 2027 → Jan 25, 2027Jan 23, 2027 → Jan 30, 2027Feb 5, 2027 → Feb 8, 2027Feb 6, 2027 → Feb 13, 2027Feb 12, 2027 → Feb 15, 2027Mar 5, 2027 → Mar 8, 2027Mar 6, 2027 → Mar 13, 2027Mar 25, 2027 → Mar 29, 2027Apr 2, 2027 → Apr 5, 2027Apr 3, 2027 → Apr 10, 2027Apr 30, 2027 → May 3, 2027May 1, 2027 → May 8, 2027May 28, 2027 → May 31, 2027May 29, 2027 → Jun 5, 2027Jun 25, 2027 → Jun 28, 2027Jun 26, 2027 → Jul 3, 2027Jul 2, 2027 → Jul 6, 2027Jul 23, 2027 → Jul 26, 2027Jul 24, 2027 → Jul 31, 2027Aug 20, 2027 → Aug 23, 2027Aug 21, 2027 → Aug 28, 2027Sep 3, 2027 → Sep 6, 2027Sep 17, 2027 → Sep 20, 2027Oct 30, 2026 · One way
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-25 → 2027-01-04Southwest AirlinesWN3544 / WN2605$387.752026-10-29T01:56:57Z
2026-12-25 → 2027-01-04United AirlinesUA1816 / UA361$423.002026-10-29T01:56:57Z
2026-12-25 → 2027-01-04Delta Air LinesDL5474 + DL2931 / DL2271 + DL2636$411.252026-10-29T01:56:57Z
2026-12-25 → 2027-01-04Southwest AirlinesWN1529 / WN2605$387.752026-10-29T01:56:57Z
2026-12-25 → 2027-01-04United AirlinesUA1765 / UA361$423.002026-10-29T01:56:57Z
2026-12-25 → 2027-01-04Southwest AirlinesWN4363 + WN2079 / WN2605$359.752026-10-29T01:56:57Z
2026-12-25 → 2027-01-04Southwest AirlinesWN3538 + WN555 / WN2605$359.752026-10-29T01:56:57Z
2026-12-25 → 2027-01-04Southwest AirlinesWN1111 + WN1316 / WN2605$359.752026-10-29T01:56:57Z
2026-12-25 → 2027-01-04Southwest AirlinesWN2313 + WN120 / WN2605$359.752026-10-29T01:56:57Z
2026-12-25 → 2027-01-04Delta Air LinesDL5738 + DL1648 / DL2271 + DL2636$411.252026-10-29T01:56:57Z

2026-12-25 → 2027-01-04 · $387.75

  • Southwest Airlines WN3544: PIT 2026-12-25 18:35:00 → DEN 2026-12-25 20:10:00; nonstop; 215 minutes. Local airport times.
  • Southwest Airlines WN2605: DEN 2027-01-04 10:55:00 → PIT 2027-01-04 15:45:00; nonstop; 170 minutes. Local airport times.

2026-12-25 → 2027-01-04 · $423.00

  • United Airlines UA1816: PIT 2026-12-25 16:50:00 → DEN 2026-12-25 18:24:00; nonstop; 214 minutes. Local airport times.
  • United Airlines UA361: DEN 2027-01-04 09:35:00 → PIT 2027-01-04 14:37:00; nonstop; 182 minutes. Local airport times.

2026-12-25 → 2027-01-04 · $411.25

  • Delta Air Lines DL5474 / DL2931: PIT 2026-12-25 15:59:00 → DEN 2026-12-25 20:19:00; 1 stop(s) via MSP; 380 minutes. Local airport times.
    • DL5474: PIT 2026-12-25 15:59:00 → MSP 2026-12-25 17:19:00; layover at MSP: 100 minutes.
    • DL2931: MSP 2026-12-25 18:59:00 → DEN 2026-12-25 20:19:00.
  • Delta Air Lines DL2271 / DL2636: DEN 2027-01-04 15:50:00 → PIT 2027-01-04 23:13:00; 1 stop(s) via MSP; 323 minutes. Local airport times.
    • DL2271: DEN 2027-01-04 15:50:00 → MSP 2027-01-04 18:59:00; layover at MSP: 66 minutes.
    • DL2636: MSP 2027-01-04 20:05:00 → PIT 2027-01-04 23:13:00.

2026-12-25 → 2027-01-04 · $387.75

  • Southwest Airlines WN1529: PIT 2026-12-25 17:40:00 → DEN 2026-12-25 19:15:00; nonstop; 215 minutes. Local airport times.
  • Southwest Airlines WN2605: DEN 2027-01-04 10:55:00 → PIT 2027-01-04 15:45:00; nonstop; 170 minutes. Local airport times.

2026-12-25 → 2027-01-04 · $423.00

  • United Airlines UA1765: PIT 2026-12-25 08:30:00 → DEN 2026-12-25 10:08:00; nonstop; 218 minutes. Local airport times.
  • United Airlines UA361: DEN 2027-01-04 09:35:00 → PIT 2027-01-04 14:37:00; nonstop; 182 minutes. Local airport times.

2026-12-25 → 2027-01-04 · $359.75

  • Southwest Airlines WN4363 / WN2079: PIT 2026-12-25 05:25:00 → DEN 2026-12-25 10:20:00; 1 stop(s) via HOU; 415 minutes. Local airport times.
    • WN4363: PIT 2026-12-25 05:25:00 → HOU 2026-12-25 07:45:00; layover at HOU: 65 minutes.
    • WN2079: HOU 2026-12-25 08:50:00 → DEN 2026-12-25 10:20:00.
  • Southwest Airlines WN2605: DEN 2027-01-04 10:55:00 → PIT 2027-01-04 15:45:00; nonstop; 170 minutes. Local airport times.

2026-12-25 → 2027-01-04 · $359.75

  • Southwest Airlines WN3538 / WN555: PIT 2026-12-25 21:10:00 → DEN 2026-12-26 00:45:00; 1 stop(s) via BNA; 335 minutes. Local airport times.
    • WN3538: PIT 2026-12-25 21:10:00 → BNA 2026-12-25 21:50:00; layover at BNA: 60 minutes.
    • WN555: BNA 2026-12-25 22:50:00 → DEN 2026-12-26 00:45:00.
  • Southwest Airlines WN2605: DEN 2027-01-04 10:55:00 → PIT 2027-01-04 15:45:00; nonstop; 170 minutes. Local airport times.

2026-12-25 → 2027-01-04 · $359.75

  • Southwest Airlines WN1111 / WN1316: PIT 2026-12-25 18:30:00 → DEN 2026-12-25 21:55:00; 1 stop(s) via STL; 325 minutes. Local airport times.
    • WN1111: PIT 2026-12-25 18:30:00 → STL 2026-12-25 19:25:00; layover at STL: 70 minutes.
    • WN1316: STL 2026-12-25 20:35:00 → DEN 2026-12-25 21:55:00.
  • Southwest Airlines WN2605: DEN 2027-01-04 10:55:00 → PIT 2027-01-04 15:45:00; nonstop; 170 minutes. Local airport times.

2026-12-25 → 2027-01-04 · $359.75

  • Southwest Airlines WN2313 / WN120: PIT 2026-12-25 08:25:00 → DEN 2026-12-25 12:30:00; 1 stop(s) via MDW; 365 minutes. Local airport times.
    • WN2313: PIT 2026-12-25 08:25:00 → MDW 2026-12-25 09:00:00; layover at MDW: 110 minutes.
    • WN120: MDW 2026-12-25 10:50:00 → DEN 2026-12-25 12:30:00.
  • Southwest Airlines WN2605: DEN 2027-01-04 10:55:00 → PIT 2027-01-04 15:45:00; nonstop; 170 minutes. Local airport times.

2026-12-25 → 2027-01-04 · $411.25

  • Delta Air Lines DL5738 / DL1648: PIT 2026-12-25 10:31:00 → DEN 2026-12-25 15:14:00; 1 stop(s) via DTW; 403 minutes. Local airport times.
    • DL5738: PIT 2026-12-25 10:31:00 → DTW 2026-12-25 11:44:00; layover at DTW: 136 minutes.
    • DL1648: DTW 2026-12-25 14:00:00 → DEN 2026-12-25 15:14:00.
  • Delta Air Lines DL2271 / DL2636: DEN 2027-01-04 15:50:00 → PIT 2027-01-04 23:13:00; 1 stop(s) via MSP; 323 minutes. Local airport times.
    • DL2271: DEN 2027-01-04 15:50:00 → MSP 2027-01-04 18:59:00; layover at MSP: 66 minutes.
    • DL2636: MSP 2027-01-04 20:05:00 → PIT 2027-01-04 23:13:00.

More dates for this route