Denver (DEN) to Seattle (SEA), May 28, 2027 – Jun 1, 2027: from $265 round trip

Denver (DEN) to Seattle (SEA), May 28, 2027 – Jun 1, 2027: from $265 round trip on Axel, checked Nov 14, 2026. Lowest published fare: $265 round trip, Axel-exclusive, Frontier Airlines, nonstop, May 28, 2027 – Jun 1, 2027, 1 adult, economy, checked Nov 14, 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 dates Airline Flights Times, duration, stops Total price Price checked
2027-05-28 → 2027-06-01 Frontier Airlines F9605 / F91916 10:08:00→12:22:00 3h 14m nonstop · 13:24:00→17:13:00 2h 49m nonstop Axel-exclusive $265 Nov 14, 2026
2027-05-28 → 2027-06-01 Southwest Airlines WN3141 / WN2150 21:00:00→23:10:00 3h 10m nonstop · 09:25:00→13:00:00 2h 35m nonstop Axel-exclusive $414 Nov 14, 2026
2027-05-28 → 2027-06-01 Alaska Airlines AS421 / AS310 18:28:00→20:36:00 3h 08m nonstop · 19:37:00→23:17:00 2h 40m nonstop Axel-exclusive $426 Nov 14, 2026
2027-05-28 → 2027-06-01 Delta Air Lines DL1731 / DL2543 06:00:00→08:18:00 3h 18m nonstop · 13:55:00→17:40:00 2h 45m nonstop Axel-exclusive $437 Nov 14, 2026
2027-05-28 → 2027-06-01 United Airlines UA2767 / UA757 19:10:00→21:19:00 3h 09m nonstop · 16:00:00→19:45:00 2h 45m nonstop Axel-exclusive $437 Nov 14, 2026
2027-05-28 → 2027-06-01 Air Canada AC575 + AC8804 / AC8803 + UA2470 08:15:00→14:32:00 7h 17m 1 stop via YVR · 10:10:00→16:27:00 5h 17m 1 stop via YVR Axel-exclusive $552 Nov 14, 2026
2027-05-28 → 2027-06-01 Frontier Airlines F94545 / F91916 13:32:00→15:40:00 3h 08m nonstop · 13:24:00→17:13:00 2h 49m nonstop Axel-exclusive $265 Nov 14, 2026
2027-05-28 → 2027-06-01 Southwest Airlines WN244 / WN2150 15:40:00→17:50:00 3h 10m nonstop · 09:25:00→13:00:00 2h 35m nonstop Axel-exclusive $414 Nov 14, 2026
2027-05-28 → 2027-06-01 Alaska Airlines AS493 / AS310 15:22:00→17:31:00 3h 09m nonstop · 19:37:00→23:17:00 2h 40m nonstop Axel-exclusive $426 Nov 14, 2026
2027-05-28 → 2027-06-01 Delta Air Lines DL2543 / DL2543 18:35:00→20:46:00 3h 11m nonstop · 13:55:00→17:40:00 2h 45m nonstop Axel-exclusive $437 Nov 14, 2026
2027-05-28 → 2027-06-01 United Airlines UA2013 / UA757 16:10:00→18:12:00 3h 02m nonstop · 16:00:00→19:45:00 2h 45m nonstop Axel-exclusive $437 Nov 14, 2026
2027-05-28 → 2027-06-01 Frontier Airlines F92015 + F92407 / F91916 06:25:00→12:27:00 7h 02m 1 stop via LAS · 13:24:00→17:13:00 2h 49m nonstop Axel-exclusive $288 Nov 14, 2026
2027-05-28 → 2027-06-01 Southwest Airlines WN1660 + WN948 / WN2150 07:30:00→13:00:00 6h 30m 1 stop via LAS · 09:25:00→13:00:00 2h 35m nonstop Axel-exclusive $431 Nov 14, 2026
2027-05-28 → 2027-06-01 Southwest Airlines WN3148 + WN1586 / WN2150 13:55:00→18:40:00 5h 45m 1 stop via SMF · 09:25:00→13:00:00 2h 35m nonstop Axel-exclusive $431 Nov 14, 2026
2027-05-28 → 2027-06-01 Alaska Airlines AS686 + AS3217 / AS310 07:40:00→12:09:00 5h 29m 1 stop via PDX · 19:37:00→23:17:00 2h 40m nonstop Axel-exclusive $443 Nov 14, 2026
2027-05-28 → 2027-06-01 United Airlines UA1086 + AC8810 / UA757 15:53:00→21:57:00 7h 04m 1 stop via YVR · 16:00:00→19:45:00 2h 45m nonstop Axel-exclusive $460 Nov 14, 2026

Hotels in Seattle for these trips

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

All hotels in Seattle

Route overview: Denver to Seattle (SEA) flight deals

2027-05-28 → 2027-06-01 · Axel-exclusive $265

2027-05-28 → 2027-06-01 · Axel-exclusive $414

2027-05-28 → 2027-06-01 · Axel-exclusive $426

2027-05-28 → 2027-06-01 · Axel-exclusive $437

2027-05-28 → 2027-06-01 · Axel-exclusive $437

2027-05-28 → 2027-06-01 · Axel-exclusive $552

2027-05-28 → 2027-06-01 · Axel-exclusive $265

2027-05-28 → 2027-06-01 · Axel-exclusive $414

2027-05-28 → 2027-06-01 · Axel-exclusive $426

2027-05-28 → 2027-06-01 · Axel-exclusive $437

2027-05-28 → 2027-06-01 · Axel-exclusive $437

2027-05-28 → 2027-06-01 · Axel-exclusive $288

2027-05-28 → 2027-06-01 · Axel-exclusive $431

2027-05-28 → 2027-06-01 · Axel-exclusive $431

2027-05-28 → 2027-06-01 · Axel-exclusive $443

2027-05-28 → 2027-06-01 · Axel-exclusive $460

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.

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