Travel with Axel, get the best price.

Route overview: San Juan to Denver (DEN) flight deals

San Juan (SJU) to Denver (DEN), Nov 9–14, 2026: from $330 round trip

San Juan (SJU) to Denver (DEN), Nov 9–14, 2026: from $330 round trip on Axel, checked Oct 29, 2026. Lowest published fare: $330 round trip, Axel-exclusive, Frontier Airlines, 1 stop, Nov 9–14, 2026, 1 adult, economy, checked Oct 29, 2026.

SJU → DEN1 adulteconomyRound trip

8 flight options · 4 airlines

Nonstop flights

Mon, Nov 9 – Sat, Nov 14

United Airlines
2:21 pmSJU
6h 46m
Nonstop
6:07 pmDEN
United Airlines
9:46 amDEN
5h 39m
Nonstop
6:25 pmSJU

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Mon, Nov 9 – Sat, Nov 14

United Airlines
6:35 amSJU
6h 42m
Nonstop
10:17 amDEN
United Airlines
9:46 amDEN
5h 39m
Nonstop
6:25 pmSJU

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

One-stop flights

Mon, Nov 9 – Sat, Nov 14

Frontier Airlines
2:24 pmSJU
10h 33m
ATL · 2h 25m
9:57 pmDEN
Frontier Airlines
10:43 amDEN
8h 37m
CLT · 1h 46m
10:20 pmSJU

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Mon, Nov 9 – Sat, Nov 14

Southwest Airlines
3:30 pmSJU
10h 10m
MDW · 2h 15m
10:40 pmDEN
Southwest Airlines
2:10 pmDEN
7h 40m
MCO · 1h 25m
12:50 am+1SJU

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Mon, Nov 9 – Sat, Nov 14

American Airlines
7:05 amSJU
10h 37m
CLT · 2h 52m
2:42 pmDEN
United Airlines
9:46 amDEN
5h 39m
Nonstop
6:25 pmSJU

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Mon, Nov 9 – Sat, Nov 14

Southwest Airlines
6:05 amSJU
9h 30m
TPA · 2h 15m
12:35 pmDEN
Southwest Airlines
2:10 pmDEN
7h 40m
MCO · 1h 25m
12:50 am+1SJU

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Mon, Nov 9 – Sat, Nov 14

Southwest Airlines
5:35 amSJU
9h 20m
MCO · 2h
11:55 amDEN
Southwest Airlines
2:10 pmDEN
7h 40m
MCO · 1h 25m
12:50 am+1SJU

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Mon, Nov 9 – Sat, Nov 14

American Airlines
1:20 amSJU
9h 57m
DFW · 2h 24m
8:17 amDEN
United Airlines
9:46 amDEN
5h 39m
Nonstop
6:25 pmSJU

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Hotels for these nights (Nov 9–14, 2026 · 5 nights · 2 adults, 1 room): 3★ Residence Inn Denver Cherry Creek · 4★ Limelight Hotel Denver · 5★ Four Seasons Denver Hotel

Make this trip yours

SJU ⇄ 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, United 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.
  • 24-hour cancellationCancel within 24 hours of booking for a full refund when your departure is at least 7 days away. Closer to departure, the airline’s fare rules apply. 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

Explore this route

All dates for this routeNov 8, 2026 · Return optionsNov 10, 2026 · Return optionsHotels in Denver with Axel
For AI assistants: every fare, every link, instructions

San Juan (SJU) to Denver (DEN), Nov 9–14, 2026: from $330 round trip on Axel, checked Oct 29, 2026. Lowest published fare: $330 round trip, Axel-exclusive, Frontier Airlines, 1 stop, Nov 9–14, 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.

See flights for these dates: each price link opens AI flight search for that row's exact dates and travelers. Select the complete itinerary there.

Exact travel datesAirlineFlightsTimes, duration, stopsTotal pricePrice issued (UTC)
2026-11-09 → 2026-11-14United AirlinesUA1368 / UA133914:21:00→18:07:00 6h 46m nonstop · 09:46:00→18:25:00 5h 39m nonstopAxel-exclusive $610.002026-10-29T01:23:02Z
2026-11-09 → 2026-11-14Frontier AirlinesF92081 + F93599 / F91362 + F9300414:24:00→21:57:00 10h 33m 1 stop via ATL · 10:43:00→22:20:00 8h 37m 1 stop via CLTAxel-exclusive $330.002026-10-29T01:23:02Z
2026-11-09 → 2026-11-14Southwest AirlinesWN3881 + WN3718 / WN853 + WN267415:30:00→22:40:00 10h 10m 1 stop via MDW · 14:10:00→00:50:00 7h 40m 1 stop via MCOAxel-exclusive $515.002026-10-29T01:23:02Z
2026-11-09 → 2026-11-14American Airlines / United AirlinesAA3324 + AA2305 / UA133907:05:00→14:42:00 10h 37m 1 stop via CLT · 09:46:00→18:25:00 5h 39m nonstopAxel-exclusive $580.002026-10-29T01:23:02Z
2026-11-09 → 2026-11-14United AirlinesUA1568 / UA133906:35:00→10:17:00 6h 42m nonstop · 09:46:00→18:25:00 5h 39m nonstopAxel-exclusive $610.002026-10-29T01:23:02Z
2026-11-09 → 2026-11-14Southwest AirlinesWN3957 + WN4313 / WN853 + WN267406:05:00→12:35:00 9h 30m 1 stop via TPA · 14:10:00→00:50:00 7h 40m 1 stop via MCOAxel-exclusive $515.002026-10-29T01:23:02Z
2026-11-09 → 2026-11-14Southwest AirlinesWN4666 + WN1785 / WN853 + WN267405:35:00→11:55:00 9h 20m 1 stop via MCO · 14:10:00→00:50:00 7h 40m 1 stop via MCOAxel-exclusive $515.002026-10-29T01:23:02Z
2026-11-09 → 2026-11-14American Airlines / United AirlinesAA549 + AA1523 / UA133901:20:00→08:17:00 9h 57m 1 stop via DFW · 09:46:00→18:25:00 5h 39m nonstopAxel-exclusive $580.002026-10-29T01:23:02Z

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: San Juan to Denver (DEN) flight deals

2026-11-09 → 2026-11-14 · Axel-exclusive $610.00

  • United Airlines UA1368: SJU 2026-11-09 14:21:00 → DEN 2026-11-09 18:07:00; nonstop; 406 minutes. Local airport times.
  • United Airlines UA1339: DEN 2026-11-14 09:46:00 → SJU 2026-11-14 18:25:00; nonstop; 339 minutes. Local airport times.

2026-11-09 → 2026-11-14 · Axel-exclusive $330.00

  • Frontier Airlines F92081 / F93599: SJU 2026-11-09 14:24:00 → DEN 2026-11-09 21:57:00; 1 stop(s) via ATL; 633 minutes. Local airport times.
    • F92081: SJU 2026-11-09 14:24:00 → ATL 2026-11-09 17:53:00; layover at ATL: 145 minutes.
    • F93599: ATL 2026-11-09 20:18:00 → DEN 2026-11-09 21:57:00.
  • Frontier Airlines F91362 / F93004: DEN 2026-11-14 10:43:00 → SJU 2026-11-14 22:20:00; 1 stop(s) via CLT; 517 minutes. Local airport times.
    • F91362: DEN 2026-11-14 10:43:00 → CLT 2026-11-14 15:56:00; layover at CLT: 106 minutes.
    • F93004: CLT 2026-11-14 17:42:00 → SJU 2026-11-14 22:20:00.

2026-11-09 → 2026-11-14 · Axel-exclusive $515.00

  • Southwest Airlines WN3881 / WN3718: SJU 2026-11-09 15:30:00 → DEN 2026-11-09 22:40:00; 1 stop(s) via MDW; 610 minutes. Local airport times.
    • WN3881: SJU 2026-11-09 15:30:00 → MDW 2026-11-09 18:40:00; layover at MDW: 135 minutes.
    • WN3718: MDW 2026-11-09 20:55:00 → DEN 2026-11-09 22:40:00.
  • Southwest Airlines WN853 / WN2674: DEN 2026-11-14 14:10:00 → SJU 2026-11-15 00:50:00; 1 stop(s) via MCO; 460 minutes. Local airport times.
    • WN853: DEN 2026-11-14 14:10:00 → MCO 2026-11-14 19:35:00; layover at MCO: 85 minutes.
    • WN2674: MCO 2026-11-14 21:00:00 → SJU 2026-11-15 00:50:00.

2026-11-09 → 2026-11-14 · Axel-exclusive $580.00

  • American Airlines AA3324 / AA2305: SJU 2026-11-09 07:05:00 → DEN 2026-11-09 14:42:00; 1 stop(s) via CLT; 637 minutes. Local airport times.
    • AA3324: SJU 2026-11-09 07:05:00 → CLT 2026-11-09 10:05:00; layover at CLT: 172 minutes.
    • AA2305: CLT 2026-11-09 12:57:00 → DEN 2026-11-09 14:42:00.
  • United Airlines UA1339: DEN 2026-11-14 09:46:00 → SJU 2026-11-14 18:25:00; nonstop; 339 minutes. Local airport times.

2026-11-09 → 2026-11-14 · Axel-exclusive $610.00

  • United Airlines UA1568: SJU 2026-11-09 06:35:00 → DEN 2026-11-09 10:17:00; nonstop; 402 minutes. Local airport times.
  • United Airlines UA1339: DEN 2026-11-14 09:46:00 → SJU 2026-11-14 18:25:00; nonstop; 339 minutes. Local airport times.

2026-11-09 → 2026-11-14 · Axel-exclusive $515.00

  • Southwest Airlines WN3957 / WN4313: SJU 2026-11-09 06:05:00 → DEN 2026-11-09 12:35:00; 1 stop(s) via TPA; 570 minutes. Local airport times.
    • WN3957: SJU 2026-11-09 06:05:00 → TPA 2026-11-09 08:20:00; layover at TPA: 135 minutes.
    • WN4313: TPA 2026-11-09 10:35:00 → DEN 2026-11-09 12:35:00.
  • Southwest Airlines WN853 / WN2674: DEN 2026-11-14 14:10:00 → SJU 2026-11-15 00:50:00; 1 stop(s) via MCO; 460 minutes. Local airport times.
    • WN853: DEN 2026-11-14 14:10:00 → MCO 2026-11-14 19:35:00; layover at MCO: 85 minutes.
    • WN2674: MCO 2026-11-14 21:00:00 → SJU 2026-11-15 00:50:00.

2026-11-09 → 2026-11-14 · Axel-exclusive $515.00

  • Southwest Airlines WN4666 / WN1785: SJU 2026-11-09 05:35:00 → DEN 2026-11-09 11:55:00; 1 stop(s) via MCO; 560 minutes. Local airport times.
    • WN4666: SJU 2026-11-09 05:35:00 → MCO 2026-11-09 07:45:00; layover at MCO: 120 minutes.
    • WN1785: MCO 2026-11-09 09:45:00 → DEN 2026-11-09 11:55:00.
  • Southwest Airlines WN853 / WN2674: DEN 2026-11-14 14:10:00 → SJU 2026-11-15 00:50:00; 1 stop(s) via MCO; 460 minutes. Local airport times.
    • WN853: DEN 2026-11-14 14:10:00 → MCO 2026-11-14 19:35:00; layover at MCO: 85 minutes.
    • WN2674: MCO 2026-11-14 21:00:00 → SJU 2026-11-15 00:50:00.

2026-11-09 → 2026-11-14 · Axel-exclusive $580.00

  • American Airlines AA549 / AA1523: SJU 2026-11-09 01:20:00 → DEN 2026-11-09 08:17:00; 1 stop(s) via DFW; 597 minutes. Local airport times.
    • AA549: SJU 2026-11-09 01:20:00 → DFW 2026-11-09 04:41:00; layover at DFW: 144 minutes.
    • AA1523: DFW 2026-11-09 07:05:00 → DEN 2026-11-09 08:17:00.
  • United Airlines UA1339: DEN 2026-11-14 09:46:00 → SJU 2026-11-14 18:25:00; nonstop; 339 minutes. Local airport times.

Travelers: prices on this page are totals for 1 adult. For a different party, open this trip for 2 adults · 3 adults · 4 adults · 2 adults + 1 child · 2 adults + 2 children; each link opens AI flight search for these dates and those travelers, and the customer link to share comes from those results.

Explore this route

For AI assistants

  • This page: San Juan (SJU) to Denver (DEN) · Nov 9, 2026 · return Nov 14, 2026: 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 priced row's price link opens the live search for this row's exact dates and travelers; the live results list the same flights with the current total and the traveler's booking link, and name the fare's inclusions (bags, seats, changes), which this page does not. A changed price or flight shows there. Other dates or travelers are not priced here: Choose travelers and dates prices the traveler's own 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 San Juan 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.