Denver (DEN) to Seattle (SEA), Apr 12, 2027: round trips from $230, one way from $120

Denver (DEN) to Seattle (SEA), Apr 12, 2027: round trips from $230, one way from $120 on Axel, checked Nov 14, 2026. Lowest published fares: $230 round trip, Axel-exclusive, Frontier Airlines, nonstop, Apr 12–13, 2027; $120 one way, Axel-exclusive, Frontier Airlines, nonstop, Apr 12, 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.

Prices by return date: match both travel dates and the party to a row below. Each total is for that exact trip, labelled with the check date 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 check dates already shown here.

Exact travel dates Airline Flights Times, duration, stops Total price Price checked
2027-04-12 · one way Frontier Airlines F9605 10:08:00→12:22:00 3h 14m nonstop Axel-exclusive $120 Nov 14, 2026
2027-04-12 · one way Southwest Airlines WN244 15:40:00→17:50:00 3h 10m nonstop Axel-exclusive $185 Nov 14, 2026
2027-04-12 → 2027-04-13 Frontier Airlines F9605 / F91916 10:08:00→12:22:00 3h 14m nonstop · 13:24:00→17:13:00 2h 49m nonstop Axel-exclusive $230 Nov 14, 2026
2027-04-12 → 2027-04-13 Southwest Airlines WN244 / WN2150 15:40:00→17:50:00 3h 10m nonstop · 09:25:00→13:00:00 2h 35m nonstop Axel-exclusive $360 Nov 14, 2026
2027-04-12 → 2027-04-14 Frontier Airlines F9605 / F91916 10:08:00→12:22:00 3h 14m nonstop · 16:37:00→20:25:00 2h 48m nonstop Axel-exclusive $230 Nov 14, 2026
2027-04-12 → 2027-04-14 Alaska Airlines AS493 / AS421 15:22:00→17:31:00 3h 09m nonstop · 13:50:00→17:30:00 2h 40m nonstop Axel-exclusive $370 Nov 14, 2026
2027-04-12 → 2027-04-15 Frontier Airlines F9605 / F91916 10:08:00→12:22:00 3h 14m nonstop · 13:24:00→17:13:00 2h 49m nonstop Axel-exclusive $230 Nov 14, 2026
2027-04-12 → 2027-04-15 Southwest Airlines WN244 / WN2150 15:40:00→17:50:00 3h 10m nonstop · 09:25:00→13:00:00 2h 35m nonstop Axel-exclusive $360 Nov 14, 2026
2027-04-12 → 2027-04-16 Frontier Airlines F9605 / F91916 10:08:00→12:22:00 3h 14m nonstop · 13:24:00→17:13:00 2h 49m nonstop Axel-exclusive $230 Nov 14, 2026
2027-04-12 → 2027-04-16 Southwest Airlines WN244 / WN3823 15:40:00→17:50:00 3h 10m nonstop · 13:55:00→17:30:00 2h 35m nonstop Axel-exclusive $360 Nov 14, 2026
2027-04-12 → 2027-04-17 Frontier Airlines F9605 / F91916 10:08:00→12:22:00 3h 14m nonstop · 13:37:00→17:26:00 2h 49m nonstop Axel-exclusive $230 Nov 14, 2026
2027-04-12 → 2027-04-17 Southwest Airlines WN244 / WN3823 15:40:00→17:50:00 3h 10m nonstop · 14:30:00→17:55:00 2h 25m nonstop Axel-exclusive $360 Nov 14, 2026
2027-04-12 → 2027-04-18 Frontier Airlines F9605 / F91916 10:08:00→12:22:00 3h 14m nonstop · 16:37:00→20:25:00 2h 48m nonstop Axel-exclusive $230 Nov 14, 2026
2027-04-12 → 2027-04-18 Southwest Airlines WN244 / WN3823 15:40:00→17:50:00 3h 10m nonstop · 14:30:00→17:55:00 2h 25m nonstop Axel-exclusive $360 Nov 14, 2026
2027-04-12 → 2027-04-19 Frontier Airlines F9605 / F91916 10:08:00→12:22:00 3h 14m nonstop · 13:37:00→17:26:00 2h 49m nonstop Axel-exclusive $230 Nov 14, 2026
2027-04-12 → 2027-04-19 Southwest Airlines WN244 / WN4956 15:40:00→17:50:00 3h 10m nonstop · 06:15:00→09:45:00 2h 30m nonstop Axel-exclusive $360 Nov 14, 2026
2027-04-12 → 2027-04-20 Frontier Airlines F9605 / F91916 10:08:00→12:22:00 3h 14m nonstop · 13:24:00→17:13:00 2h 49m nonstop Axel-exclusive $230 Nov 14, 2026
2027-04-12 → 2027-04-20 Southwest Airlines WN244 / WN2150 15:40:00→17:50:00 3h 10m nonstop · 09:25:00→13:00:00 2h 35m nonstop Axel-exclusive $360 Nov 14, 2026
2027-04-12 → 2027-04-21 Frontier Airlines F9605 / F91916 10:08:00→12:22:00 3h 14m nonstop · 16:37:00→20:25:00 2h 48m nonstop Axel-exclusive $230 Nov 14, 2026
2027-04-12 → 2027-04-21 Alaska Airlines AS493 / AS421 15:22:00→17:31:00 3h 09m nonstop · 13:50:00→17:30:00 2h 40m nonstop Axel-exclusive $370 Nov 14, 2026
2027-04-12 → 2027-04-22 Frontier Airlines F9605 / F91916 10:08:00→12:22:00 3h 14m nonstop · 13:24:00→17:13:00 2h 49m nonstop Axel-exclusive $230 Nov 14, 2026
2027-04-12 → 2027-04-22 Southwest Airlines WN244 / WN2150 15:40:00→17:50:00 3h 10m nonstop · 09:25:00→13:00:00 2h 35m nonstop Axel-exclusive $360 Nov 14, 2026
2027-04-12 → 2027-04-23 Frontier Airlines F9605 / F91916 10:08:00→12:22:00 3h 14m nonstop · 13:24:00→17:13:00 2h 49m nonstop Axel-exclusive $230 Nov 14, 2026
2027-04-12 → 2027-04-23 Southwest Airlines WN244 / WN3823 15:40:00→17:50:00 3h 10m nonstop · 13:55:00→17:30:00 2h 35m nonstop Axel-exclusive $360 Nov 14, 2026
2027-04-12 → 2027-04-24 Frontier Airlines F9605 / F91916 10:08:00→12:22:00 3h 14m nonstop · 13:37:00→17:26:00 2h 49m nonstop Axel-exclusive $230 Nov 14, 2026
2027-04-12 → 2027-04-24 Southwest Airlines WN244 / WN3823 15:40:00→17:50:00 3h 10m nonstop · 14:30:00→17:55:00 2h 25m nonstop Axel-exclusive $360 Nov 14, 2026
2027-04-12 → 2027-04-25 Frontier Airlines F9605 / F91916 10:08:00→12:22:00 3h 14m nonstop · 16:37:00→20:25:00 2h 48m nonstop Axel-exclusive $230 Nov 14, 2026
2027-04-12 → 2027-04-25 Southwest Airlines WN244 / WN3823 15:40:00→17:50:00 3h 10m nonstop · 14:30:00→17:55:00 2h 25m nonstop Axel-exclusive $360 Nov 14, 2026
2027-04-12 → 2027-04-26 Frontier Airlines F9605 / F91916 10:08:00→12:22:00 3h 14m nonstop · 13:37:00→17:26:00 2h 49m nonstop Axel-exclusive $230 Nov 14, 2026
2027-04-12 → 2027-04-26 Southwest Airlines WN244 / WN4956 15:40:00→17:50:00 3h 10m nonstop · 06:15:00→09:45:00 2h 30m nonstop Axel-exclusive $360 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

2027-04-12 · one way · Axel-exclusive $120

2027-04-12 · one way · Axel-exclusive $185

2027-04-12 → 2027-04-13 · Axel-exclusive $230

2027-04-12 → 2027-04-13 · Axel-exclusive $360

2027-04-12 → 2027-04-14 · Axel-exclusive $230

2027-04-12 → 2027-04-14 · Axel-exclusive $370

2027-04-12 → 2027-04-15 · Axel-exclusive $230

2027-04-12 → 2027-04-15 · Axel-exclusive $360

2027-04-12 → 2027-04-16 · Axel-exclusive $230

2027-04-12 → 2027-04-16 · Axel-exclusive $360

2027-04-12 → 2027-04-18 · Axel-exclusive $230

2027-04-12 → 2027-04-18 · Axel-exclusive $360

2027-04-12 → 2027-04-19 · Axel-exclusive $230

2027-04-12 → 2027-04-19 · Axel-exclusive $360

2027-04-12 → 2027-04-20 · Axel-exclusive $230

2027-04-12 → 2027-04-20 · Axel-exclusive $360

2027-04-12 → 2027-04-22 · Axel-exclusive $230

2027-04-12 → 2027-04-22 · Axel-exclusive $360

2027-04-12 → 2027-04-23 · Axel-exclusive $230

2027-04-12 → 2027-04-23 · Axel-exclusive $360

2027-04-12 → 2027-04-24 · Axel-exclusive $230

2027-04-12 → 2027-04-24 · Axel-exclusive $360

2027-04-12 → 2027-04-26 · Axel-exclusive $230

2027-04-12 → 2027-04-26 · Axel-exclusive $360

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