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Seattle → Denver

Nov 20, 2026 · one way

SEA → DEN1 adulteconomyOne way

15 flight options · 7 airlines

Nonstop flights

Fri, Nov 20 · One way

Frontier Airlines
4:58 pmSEA
2h 48m
Nonstop
8:46 pmDEN

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Southwest Airlines
6:15 amSEA
2h 30m
Nonstop
9:45 amDEN

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Alaska Airlines
7:37 amSEA
2h 44m
Nonstop
11:21 amDEN

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Delta Air Lines
8:30 amSEA
2h 47m
Nonstop
12:17 pmDEN

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

United Airlines
5:00 amSEA
2h 41m
Nonstop
8:41 amDEN

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Southwest Airlines
1:35 pmSEA
2h 30m
Nonstop
5:05 pmDEN

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Alaska Airlines
7:35 pmSEA
2h 40m
Nonstop
11:15 pmDEN

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Delta Air Lines
1:55 pmSEA
2h 45m
Nonstop
5:40 pmDEN

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

United Airlines
4:04 pmSEA
2h 41m
Nonstop
7:45 pmDEN

One-way total · 1 adult · Taxes included

One-stop flights

Fri, Nov 20 · One way

American Airlines
3:00 pmSEA
6h 58m
PHX · 2h 7m
10:58 pmDEN

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Air Canada
10:10 amSEA
5h 17m
YVR · 1h 15m
4:27 pmDEN

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Southwest Airlines
5:15 amSEA
6h 15m
SMF · 2h 10m
12:30 pmDEN

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Southwest Airlines
5:40 amSEA
6h 30m
PHX · 1h 50m
1:10 pmDEN

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Alaska Airlines
7:38 amSEA
5h 46m
PDX · 2h 9m
2:24 pmDEN

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Delta Air Lines
1:25 pmSEA
6h 7m
SLC · 2h 33m
8:32 pmDEN

One-way total · 1 adult · Taxes included

Make this trip yours

SEA ⇄ DEN

Economy

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

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More dates

All dates for this routeNov 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026
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)
2026-11-20 · one wayFrontier AirlinesF91916$75.002026-10-29T01:14:56Z
2026-11-20 · one waySouthwest AirlinesWN4956$130.002026-10-29T01:14:56Z
2026-11-20 · one wayAlaska AirlinesAS682$135.002026-10-29T01:14:56Z
2026-11-20 · one wayDelta Air LinesDL1358$140.002026-10-29T01:14:56Z
2026-11-20 · one wayUnited AirlinesUA2601$145.002026-10-29T01:14:56Z
2026-11-20 · one wayAmerican AirlinesAA2073 + AA4952$165.002026-10-29T01:14:56Z
2026-11-20 · one wayAir CanadaAC8803 + UA2470$205.002026-10-29T01:14:56Z
2026-11-20 · one waySouthwest AirlinesWN3823$130.002026-10-29T01:14:56Z
2026-11-20 · one wayAlaska AirlinesAS310$135.002026-10-29T01:14:56Z
2026-11-20 · one wayDelta Air LinesDL2543$140.002026-10-29T01:14:56Z
2026-11-20 · one wayUnited AirlinesUA757$145.002026-10-29T01:14:56Z
2026-11-20 · one waySouthwest AirlinesWN3833 + WN2542$145.002026-10-29T01:14:56Z
2026-11-20 · one waySouthwest AirlinesWN3434 + WN1410$145.002026-10-29T01:14:56Z
2026-11-20 · one wayAlaska AirlinesAS2238 + AS684$155.002026-10-29T01:14:56Z
2026-11-20 · one wayDelta Air LinesDL1120 + DL1586$160.002026-10-29T01:14:56Z

2026-11-20 · one way · $75.00

  • Frontier Airlines F91916: SEA 2026-11-20 16:58:00 → DEN 2026-11-20 20:46:00; nonstop; 168 minutes. Local airport times.

2026-11-20 · one way · $130.00

  • Southwest Airlines WN4956: SEA 2026-11-20 06:15:00 → DEN 2026-11-20 09:45:00; nonstop; 150 minutes. Local airport times.

2026-11-20 · one way · $135.00

  • Alaska Airlines AS682: SEA 2026-11-20 07:37:00 → DEN 2026-11-20 11:21:00; nonstop; 164 minutes. Local airport times.

2026-11-20 · one way · $140.00

  • Delta Air Lines DL1358: SEA 2026-11-20 08:30:00 → DEN 2026-11-20 12:17:00; nonstop; 167 minutes. Local airport times.

2026-11-20 · one way · $145.00

  • United Airlines UA2601: SEA 2026-11-20 05:00:00 → DEN 2026-11-20 08:41:00; nonstop; 161 minutes. Local airport times.

2026-11-20 · one way · $165.00

  • American Airlines AA2073 / AA4952: SEA 2026-11-20 15:00:00 → DEN 2026-11-20 22:58:00; 1 stop(s) via PHX; 418 minutes. Local airport times.
    • AA2073: SEA 2026-11-20 15:00:00 → PHX 2026-11-20 18:52:00; layover at PHX: 127 minutes.
    • AA4952: PHX 2026-11-20 20:59:00 → DEN 2026-11-20 22:58:00.

2026-11-20 · one way · $205.00

  • Air Canada AC8803 / UA2470: SEA 2026-11-20 10:10:00 → DEN 2026-11-20 16:27:00; 1 stop(s) via YVR; 317 minutes. Local airport times.
    • AC8803: SEA 2026-11-20 10:10:00 → YVR 2026-11-20 12:21:00; layover at YVR: 75 minutes.
    • UA2470: YVR 2026-11-20 13:36:00 → DEN 2026-11-20 16:27:00.

2026-11-20 · one way · $130.00

  • Southwest Airlines WN3823: SEA 2026-11-20 13:35:00 → DEN 2026-11-20 17:05:00; nonstop; 150 minutes. Local airport times.

2026-11-20 · one way · $135.00

  • Alaska Airlines AS310: SEA 2026-11-20 19:35:00 → DEN 2026-11-20 23:15:00; nonstop; 160 minutes. Local airport times.

2026-11-20 · one way · $140.00

  • Delta Air Lines DL2543: SEA 2026-11-20 13:55:00 → DEN 2026-11-20 17:40:00; nonstop; 165 minutes. Local airport times.

2026-11-20 · one way · $145.00

  • United Airlines UA757: SEA 2026-11-20 16:04:00 → DEN 2026-11-20 19:45:00; nonstop; 161 minutes. Local airport times.

2026-11-20 · one way · $145.00

  • Southwest Airlines WN3833 / WN2542: SEA 2026-11-20 05:15:00 → DEN 2026-11-20 12:30:00; 1 stop(s) via SMF; 375 minutes. Local airport times.
    • WN3833: SEA 2026-11-20 05:15:00 → SMF 2026-11-20 07:05:00; layover at SMF: 130 minutes.
    • WN2542: SMF 2026-11-20 09:15:00 → DEN 2026-11-20 12:30:00.

2026-11-20 · one way · $145.00

  • Southwest Airlines WN3434 / WN1410: SEA 2026-11-20 05:40:00 → DEN 2026-11-20 13:10:00; 1 stop(s) via PHX; 390 minutes. Local airport times.
    • WN3434: SEA 2026-11-20 05:40:00 → PHX 2026-11-20 09:30:00; layover at PHX: 110 minutes.
    • WN1410: PHX 2026-11-20 11:20:00 → DEN 2026-11-20 13:10:00.

2026-11-20 · one way · $155.00

  • Alaska Airlines AS2238 / AS684: SEA 2026-11-20 07:38:00 → DEN 2026-11-20 14:24:00; 1 stop(s) via PDX; 346 minutes. Local airport times.
    • AS2238: SEA 2026-11-20 07:38:00 → PDX 2026-11-20 08:35:00; layover at PDX: 129 minutes.
    • AS684: PDX 2026-11-20 10:44:00 → DEN 2026-11-20 14:24:00.

2026-11-20 · one way · $160.00

  • Delta Air Lines DL1120 / DL1586: SEA 2026-11-20 13:25:00 → DEN 2026-11-20 20:32:00; 1 stop(s) via SLC; 367 minutes. Local airport times.
    • DL1120: SEA 2026-11-20 13:25:00 → SLC 2026-11-20 16:26:00; layover at SLC: 153 minutes.
    • DL1586: SLC 2026-11-20 18:59:00 → DEN 2026-11-20 20:32:00.

More dates for this route