Denver (DEN) to Seattle (SEA), May 29, 2027 – Jun 10, 2027: from $247 round trip

Denver (DEN) to Seattle (SEA), May 29, 2027 – Jun 10, 2027: from $247 round trip on Axel, checked Nov 14, 2026. Lowest published fare: $247 round trip, Axel-exclusive, Frontier Airlines, nonstop, May 29, 2027 – Jun 10, 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
2027-05-29 → 2027-06-10 Frontier Airlines F94545 / F91916 13:32:00→15:43:00 3h 11m nonstop · 13:24:00→17:13:00 2h 49m nonstop Axel-exclusive $247 Nov 14, 2026
2027-05-29 → 2027-06-10 Southwest Airlines WN2174 / WN2150 14:45:00→16:50:00 3h 05m nonstop · 09:25:00→13:00:00 2h 35m nonstop Axel-exclusive $387 Nov 14, 2026
2027-05-29 → 2027-06-10 Alaska Airlines AS309 / AS421 21:42:00→23:49:00 3h 07m nonstop · 15:16:00→18:56:00 2h 40m nonstop Axel-exclusive $398 Nov 14, 2026
2027-05-29 → 2027-06-10 United Airlines UA360 / UA757 19:10:00→21:17:00 3h 07m nonstop · 16:04:00→19:45:00 2h 41m nonstop Axel-exclusive $409 Nov 14, 2026
2027-05-29 → 2027-06-10 Delta Air Lines DL1731 / DL1358 06:05:00→08:23:00 3h 18m nonstop · 08:30:00→12:22:00 2h 52m nonstop Axel-exclusive $409 Nov 14, 2026
2027-05-29 → 2027-06-10 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 $516 Nov 14, 2026
2027-05-29 → 2027-06-10 Frontier Airlines F9605 / F91916 10:08:00→12:22:00 3h 14m nonstop · 13:24:00→17:13:00 2h 49m nonstop Axel-exclusive $247 Nov 14, 2026
2027-05-29 → 2027-06-10 Southwest Airlines WN3141 / WN2150 20:55:00→23:05:00 3h 10m nonstop · 09:25:00→13:00:00 2h 35m nonstop Axel-exclusive $387 Nov 14, 2026
2027-05-29 → 2027-06-10 Alaska Airlines AS317 / AS421 06:00:00→08:10:00 3h 10m nonstop · 15:16:00→18:56:00 2h 40m nonstop Axel-exclusive $398 Nov 14, 2026
2027-05-29 → 2027-06-10 United Airlines UA2013 / UA757 16:10:00→18:12:00 3h 02m nonstop · 16:04:00→19:45:00 2h 41m nonstop Axel-exclusive $409 Nov 14, 2026
2027-05-29 → 2027-06-10 Delta Air Lines DL2543 / DL1358 18:33:00→20:40:00 3h 07m nonstop · 08:30:00→12:22:00 2h 52m nonstop Axel-exclusive $409 Nov 14, 2026
2027-05-29 → 2027-06-10 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 $270 Nov 14, 2026
2027-05-29 → 2027-06-10 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 $404 Nov 14, 2026
2027-05-29 → 2027-06-10 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 $404 Nov 14, 2026
2027-05-29 → 2027-06-10 Alaska Airlines AS686 + AS3217 / AS421 07:40:00→12:09:00 5h 29m 1 stop via PDX · 15:16:00→18:56:00 2h 40m nonstop Axel-exclusive $415 Nov 14, 2026
2027-05-29 → 2027-06-10 United Airlines UA1086 + AC8810 / UA757 15:53:00→21:57:00 7h 04m 1 stop via YVR · 16:04:00→19:45:00 2h 41m nonstop Axel-exclusive $432 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

2027-05-29 → 2027-06-10 · Axel-exclusive $247

2027-05-29 → 2027-06-10 · Axel-exclusive $387

2027-05-29 → 2027-06-10 · Axel-exclusive $398

2027-05-29 → 2027-06-10 · Axel-exclusive $409

2027-05-29 → 2027-06-10 · Axel-exclusive $409

2027-05-29 → 2027-06-10 · Axel-exclusive $516

2027-05-29 → 2027-06-10 · Axel-exclusive $247

2027-05-29 → 2027-06-10 · Axel-exclusive $387

2027-05-29 → 2027-06-10 · Axel-exclusive $398

2027-05-29 → 2027-06-10 · Axel-exclusive $409

2027-05-29 → 2027-06-10 · Axel-exclusive $409

2027-05-29 → 2027-06-10 · Axel-exclusive $270

2027-05-29 → 2027-06-10 · Axel-exclusive $404

2027-05-29 → 2027-06-10 · Axel-exclusive $404

2027-05-29 → 2027-06-10 · Axel-exclusive $415

2027-05-29 → 2027-06-10 · Axel-exclusive $432

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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