Travel with Axel,
get the best price.

Denver → Seattle

Choose your travel dates

DEN → SEA1 adulteconomy

48 flight options · 6 airlines

Round-trip flights

Fri, Nov 27 – Fri, Dec 4

Frontier Airlines
10:08 amDEN
3h 14m
Nonstop
12:22 pmSEA
Frontier Airlines
4:58 pmSEA
2h 48m
Nonstop
8:46 pmDEN

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Southwest Airlines
2:45 pmDEN
3h 5m
Nonstop
4:50 pmSEA
Southwest Airlines
1:35 pmSEA
2h 30m
Nonstop
5:05 pmDEN

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Alaska Airlines
3:22 pmDEN
3h 9m
Nonstop
5:31 pmSEA
Alaska Airlines
7:35 pmSEA
2h 40m
Nonstop
11:15 pmDEN

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Delta Air Lines
6:00 amDEN
3h 18m
Nonstop
8:18 amSEA
Delta Air Lines
1:55 pmSEA
2h 45m
Nonstop
5:40 pmDEN

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

United Airlines
4:10 pmDEN
3h 2m
Nonstop
6:12 pmSEA
United Airlines
5:00 amSEA
2h 41m
Nonstop
8:41 amDEN

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Air Canada
8:15 amDEN
7h 17m
YVR · 3h 5m
2:32 pmSEA
Air Canada
10:10 amSEA
5h 17m
YVR · 1h 15m
4:27 pmDEN

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Frontier Airlines
1:32 pmDEN
3h 8m
Nonstop
3:40 pmSEA
Frontier Airlines
1:37 pmSEA
2h 49m
Nonstop
5:26 pmDEN

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Frontier Airlines
1:32 pmDEN
3h 8m
Nonstop
3:40 pmSEA
Frontier Airlines
4:58 pmSEA
2h 48m
Nonstop
8:46 pmDEN

Round-trip total · 1 adult · Taxes included

Show 24 more flights

Fri, Nov 20 – Mon, Nov 23

Frontier Airlines
10:08 amDEN
3h 14m
Nonstop
12:22 pmSEA
Frontier Airlines
1:37 pmSEA
2h 49m
Nonstop
5:26 pmDEN

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Southwest Airlines
9:00 pmDEN
3h 10m
Nonstop
11:10 pmSEA
Southwest Airlines
1:35 pmSEA
2h 30m
Nonstop
5:05 pmDEN

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Alaska Airlines
6:28 pmDEN
3h 8m
Nonstop
8:36 pmSEA
Alaska Airlines
7:35 pmSEA
2h 40m
Nonstop
11:15 pmDEN

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

United Airlines
7:10 pmDEN
3h 9m
Nonstop
9:19 pmSEA
United Airlines
5:00 amSEA
2h 41m
Nonstop
8:41 amDEN

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Delta Air Lines
6:33 pmDEN
3h 7m
Nonstop
8:40 pmSEA
Delta Air Lines
1:55 pmSEA
2h 45m
Nonstop
5:40 pmDEN

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Southwest Airlines
2:45 pmDEN
3h 5m
Nonstop
4:50 pmSEA
Southwest Airlines
6:15 amSEA
2h 30m
Nonstop
9:45 amDEN

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Southwest Airlines
9:00 pmDEN
3h 10m
Nonstop
11:10 pmSEA
Southwest Airlines
6:15 amSEA
2h 30m
Nonstop
9:45 amDEN

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Alaska Airlines
6:28 pmDEN
3h 8m
Nonstop
8:36 pmSEA
Alaska Airlines
7:35 pmSEA
2h 40m
Nonstop
11:15 pmDEN

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Alaska Airlines
3:22 pmDEN
3h 9m
Nonstop
5:31 pmSEA
Alaska Airlines
7:35 pmSEA
2h 40m
Nonstop
11:15 pmDEN

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

United Airlines
7:10 pmDEN
3h 9m
Nonstop
9:19 pmSEA
United Airlines
5:00 amSEA
2h 41m
Nonstop
8:41 amDEN

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

United Airlines
4:10 pmDEN
3h 2m
Nonstop
6:12 pmSEA
United Airlines
5:00 amSEA
2h 41m
Nonstop
8:41 amDEN

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Delta Air Lines
6:33 pmDEN
3h 7m
Nonstop
8:40 pmSEA
Delta Air Lines
1:55 pmSEA
2h 45m
Nonstop
5:40 pmDEN

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Delta Air Lines
6:00 amDEN
3h 18m
Nonstop
8:18 amSEA
Delta Air Lines
1:55 pmSEA
2h 45m
Nonstop
5:40 pmDEN

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Frontier Airlines
6:25 amDEN
7h 2m
LAS · 1h 52m
12:27 pmSEA
Frontier Airlines
4:58 pmSEA
2h 48m
Nonstop
8:46 pmDEN

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Frontier Airlines
6:25 amDEN
7h 2m
LAS · 1h 52m
12:27 pmSEA
Frontier Airlines
1:37 pmSEA
2h 49m
Nonstop
5:26 pmDEN

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Southwest Airlines
1:55 pmDEN
5h 45m
SMF · 1h 10m
6:40 pmSEA
Southwest Airlines
1:35 pmSEA
2h 30m
Nonstop
5:05 pmDEN

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Southwest Airlines
7:30 amDEN
6h 30m
LAS · 1h 30m
1:00 pmSEA
Southwest Airlines
1:35 pmSEA
2h 30m
Nonstop
5:05 pmDEN

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Alaska Airlines
7:40 amDEN
5h 29m
PDX · 1h 15m
12:09 pmSEA
Alaska Airlines
7:35 pmSEA
2h 40m
Nonstop
11:15 pmDEN

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

United Airlines
3:53 pmDEN
7h 4m
YVR · 2h 46m
9:57 pmSEA
United Airlines
5:00 amSEA
2h 41m
Nonstop
8:41 amDEN

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Southwest Airlines
1:55 pmDEN
5h 45m
SMF · 1h 10m
6:40 pmSEA
Southwest Airlines
6:15 amSEA
2h 30m
Nonstop
9:45 amDEN

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Southwest Airlines
7:30 amDEN
6h 30m
LAS · 1h 30m
1:00 pmSEA
Southwest Airlines
6:15 amSEA
2h 30m
Nonstop
9:45 amDEN

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Alaska Airlines
7:40 amDEN
5h 29m
PDX · 1h 15m
12:09 pmSEA
Alaska Airlines
7:35 pmSEA
2h 40m
Nonstop
11:15 pmDEN

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

United Airlines
3:53 pmDEN
7h 4m
YVR · 2h 46m
9:57 pmSEA
United Airlines
5:00 amSEA
2h 41m
Nonstop
8:41 amDEN

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Air Canada
8:15 amDEN
7h 17m
YVR · 3h 5m
2:32 pmSEA
Air Canada
10:10 amSEA
5h 17m
YVR · 1h 15m
4:27 pmDEN

Round-trip total · 1 adult · Taxes included

One-way flights

Fri, Nov 20 · One way

Frontier Airlines
1:32 pmDEN
3h 8m
Nonstop
3:40 pmSEA

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Southwest Airlines
9:00 pmDEN
3h 10m
Nonstop
11:10 pmSEA

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Alaska Airlines
6:28 pmDEN
3h 8m
Nonstop
8:36 pmSEA

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

United Airlines
4:10 pmDEN
3h 2m
Nonstop
6:12 pmSEA

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Delta Air Lines
6:00 amDEN
3h 18m
Nonstop
8:18 amSEA

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Air Canada
8:15 amDEN
7h 17m
YVR · 3h 5m
2:32 pmSEA

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Frontier Airlines
10:08 amDEN
3h 14m
Nonstop
12:22 pmSEA

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Southwest Airlines
2:45 pmDEN
3h 5m
Nonstop
4:50 pmSEA

One-way total · 1 adult · Taxes included

Show 8 more flights

Fri, Nov 20 · One way

Alaska Airlines
3:22 pmDEN
3h 9m
Nonstop
5:31 pmSEA

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Delta Air Lines
6:33 pmDEN
3h 7m
Nonstop
8:40 pmSEA

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

United Airlines
7:10 pmDEN
3h 9m
Nonstop
9:19 pmSEA

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Frontier Airlines
6:25 amDEN
7h 2m
LAS · 1h 52m
12:27 pmSEA

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Southwest Airlines
1:55 pmDEN
5h 45m
SMF · 1h 10m
6:40 pmSEA

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Southwest Airlines
7:30 amDEN
6h 30m
LAS · 1h 30m
1:00 pmSEA

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Alaska Airlines
7:40 amDEN
5h 29m
PDX · 1h 15m
12:09 pmSEA

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

United Airlines
3:53 pmDEN
7h 4m
YVR · 2h 46m
9:57 pmSEA

One-way total · 1 adult · Taxes included

Make this trip yours

DEN ⇄ SEA

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, Frontier 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

More dates

Nov 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 2026 · One way
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 AirlinesF94545$114.752026-10-29T01:05:09Z
2026-11-20 · one waySouthwest AirlinesWN3141$189.002026-10-29T01:05:09Z
2026-11-27 → 2026-12-04Frontier AirlinesF9605 / F91916$193.882026-10-29T01:05:09Z
2026-11-20 · one wayAlaska AirlinesAS421$195.752026-10-29T01:05:09Z
2026-11-20 · one wayUnited AirlinesUA2013$202.502026-10-29T01:05:09Z
2026-11-20 · one wayDelta Air LinesDL1731$202.502026-10-29T01:05:09Z
2026-11-27 → 2026-12-04Southwest AirlinesWN2174 / WN3823$317.252026-10-29T01:05:09Z
2026-11-27 → 2026-12-04Alaska AirlinesAS493 / AS310$329.002026-10-29T01:05:09Z
2026-11-27 → 2026-12-04Delta Air LinesDL1731 / DL2543$340.752026-10-29T01:05:09Z
2026-11-27 → 2026-12-04United AirlinesUA2013 / UA2601$340.752026-10-29T01:05:09Z
2026-11-20 · one wayAir CanadaAC575 + AC8804$276.752026-10-29T01:05:09Z
2026-11-27 → 2026-12-04Air CanadaAC575 + AC8804 / AC8803 + UA2470$464.132026-10-29T01:05:09Z
2026-11-20 → 2026-11-23Frontier AirlinesF94545 / F91916$222.762026-10-29T01:05:09Z
2026-11-20 · one wayFrontier AirlinesF9605$114.752026-10-29T01:05:09Z
2026-11-20 · one waySouthwest AirlinesWN2174$189.002026-10-29T01:05:09Z
2026-11-27 → 2026-12-04Frontier AirlinesF94545 / F91916$193.882026-10-29T01:05:09Z
2026-11-20 · one wayAlaska AirlinesAS493$195.752026-10-29T01:05:09Z
2026-11-20 · one wayDelta Air LinesDL2543$202.502026-10-29T01:05:09Z
2026-11-20 · one wayUnited AirlinesUA2767$202.502026-10-29T01:05:09Z
2026-11-20 → 2026-11-23Frontier AirlinesF9605 / F91916$222.762026-10-29T01:05:09Z
2026-11-27 → 2026-12-04Southwest AirlinesWN3141 / WN3823$317.252026-10-29T01:05:09Z
2026-11-27 → 2026-12-04Alaska AirlinesAS421 / AS310$329.002026-10-29T01:05:09Z
2026-11-27 → 2026-12-04United AirlinesUA2767 / UA2601$340.752026-10-29T01:05:09Z
2026-11-27 → 2026-12-04Delta Air LinesDL2543 / DL2543$340.752026-10-29T01:05:09Z
2026-11-20 → 2026-11-23Southwest AirlinesWN2174 / WN4956$364.502026-10-29T01:05:09Z
2026-11-20 → 2026-11-23Southwest AirlinesWN3141 / WN4956$364.502026-10-29T01:05:09Z
2026-11-20 → 2026-11-23Alaska AirlinesAS421 / AS310$378.002026-10-29T01:05:09Z
2026-11-20 → 2026-11-23Alaska AirlinesAS493 / AS310$378.002026-10-29T01:05:09Z
2026-11-20 → 2026-11-23United AirlinesUA2767 / UA2601$391.502026-10-29T01:05:09Z
2026-11-20 → 2026-11-23United AirlinesUA2013 / UA2601$391.502026-10-29T01:05:09Z
2026-11-20 → 2026-11-23Delta Air LinesDL2543 / DL2759$391.502026-10-29T01:05:09Z
2026-11-20 → 2026-11-23Delta Air LinesDL1731 / DL2759$391.502026-10-29T01:05:09Z
2026-11-20 · one wayFrontier AirlinesF92015 + F92407$141.752026-10-29T01:05:09Z
2026-11-20 · one waySouthwest AirlinesWN3148 + WN1586$209.252026-10-29T01:05:09Z
2026-11-20 · one waySouthwest AirlinesWN1660 + WN948$209.252026-10-29T01:05:09Z
2026-11-20 · one wayAlaska AirlinesAS686 + AS3217$216.002026-10-29T01:05:09Z
2026-11-27 → 2026-12-04Frontier AirlinesF92015 + F92407 / F91916$217.502026-10-29T01:05:09Z
2026-11-20 · one wayUnited AirlinesUA1086 + AC8810$229.502026-10-29T01:05:09Z
2026-11-20 → 2026-11-23Frontier AirlinesF92015 + F92407 / F91916$246.382026-10-29T01:05:09Z
2026-11-27 → 2026-12-04Southwest AirlinesWN3148 + WN1586 / WN3823$337.502026-10-29T01:05:09Z
2026-11-27 → 2026-12-04Southwest AirlinesWN1660 + WN948 / WN3823$337.502026-10-29T01:05:09Z
2026-11-27 → 2026-12-04Alaska AirlinesAS686 + AS3217 / AS310$349.252026-10-29T01:05:09Z
2026-11-27 → 2026-12-04United AirlinesUA1086 + AC8810 / UA2601$367.752026-10-29T01:05:09Z
2026-11-20 → 2026-11-23Southwest AirlinesWN3148 + WN1586 / WN4956$384.752026-10-29T01:05:09Z
2026-11-20 → 2026-11-23Southwest AirlinesWN1660 + WN948 / WN4956$384.752026-10-29T01:05:09Z
2026-11-20 → 2026-11-23Alaska AirlinesAS686 + AS3217 / AS310$398.252026-10-29T01:05:09Z
2026-11-20 → 2026-11-23United AirlinesUA1086 + AC8810 / UA2601$418.502026-10-29T01:05:09Z
2026-11-20 → 2026-11-23Air CanadaAC575 + AC8804 / AC8803 + UA2470$533.262026-10-29T01:05:09Z

2026-11-20 · one way · $114.75

  • Frontier Airlines F94545: DEN 2026-11-20 13:32:00 → SEA 2026-11-20 15:40:00; nonstop; 188 minutes. Local airport times.

2026-11-20 · one way · $189.00

  • Southwest Airlines WN3141: DEN 2026-11-20 21:00:00 → SEA 2026-11-20 23:10:00; nonstop; 190 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $193.88

  • Frontier Airlines F9605: DEN 2026-11-27 10:08:00 → SEA 2026-11-27 12:22:00; nonstop; 194 minutes. Local airport times.
  • Frontier Airlines F91916: SEA 2026-12-04 16:58:00 → DEN 2026-12-04 20:46:00; nonstop; 168 minutes. Local airport times.

2026-11-20 · one way · $195.75

  • Alaska Airlines AS421: DEN 2026-11-20 18:28:00 → SEA 2026-11-20 20:36:00; nonstop; 188 minutes. Local airport times.

2026-11-20 · one way · $202.50

  • United Airlines UA2013: DEN 2026-11-20 16:10:00 → SEA 2026-11-20 18:12:00; nonstop; 182 minutes. Local airport times.

2026-11-20 · one way · $202.50

  • Delta Air Lines DL1731: DEN 2026-11-20 06:00:00 → SEA 2026-11-20 08:18:00; nonstop; 198 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $317.25

  • Southwest Airlines WN2174: DEN 2026-11-27 14:45:00 → SEA 2026-11-27 16:50:00; nonstop; 185 minutes. Local airport times.
  • Southwest Airlines WN3823: SEA 2026-12-04 13:35:00 → DEN 2026-12-04 17:05:00; nonstop; 150 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $329.00

  • Alaska Airlines AS493: DEN 2026-11-27 15:22:00 → SEA 2026-11-27 17:31:00; nonstop; 189 minutes. Local airport times.
  • Alaska Airlines AS310: SEA 2026-12-04 19:35:00 → DEN 2026-12-04 23:15:00; nonstop; 160 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $340.75

  • Delta Air Lines DL1731: DEN 2026-11-27 06:00:00 → SEA 2026-11-27 08:18:00; nonstop; 198 minutes. Local airport times.
  • Delta Air Lines DL2543: SEA 2026-12-04 13:55:00 → DEN 2026-12-04 17:40:00; nonstop; 165 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $340.75

  • United Airlines UA2013: DEN 2026-11-27 16:10:00 → SEA 2026-11-27 18:12:00; nonstop; 182 minutes. Local airport times.
  • United Airlines UA2601: SEA 2026-12-04 05:00:00 → DEN 2026-12-04 08:41:00; nonstop; 161 minutes. Local airport times.

2026-11-20 · one way · $276.75

  • Air Canada AC575 / AC8804: DEN 2026-11-20 08:15:00 → SEA 2026-11-20 14:32:00; 1 stop(s) via YVR; 437 minutes. Local airport times.
    • AC575: DEN 2026-11-20 08:15:00 → YVR 2026-11-20 11:25:00; layover at YVR: 185 minutes.
    • AC8804: YVR 2026-11-20 14:30:00 → SEA 2026-11-20 14:32:00.

2026-11-27 → 2026-12-04 · $464.13

  • Air Canada AC575 / AC8804: DEN 2026-11-27 08:15:00 → SEA 2026-11-27 14:32:00; 1 stop(s) via YVR; 437 minutes. Local airport times.
    • AC575: DEN 2026-11-27 08:15:00 → YVR 2026-11-27 11:25:00; layover at YVR: 185 minutes.
    • AC8804: YVR 2026-11-27 14:30:00 → SEA 2026-11-27 14:32:00.
  • Air Canada AC8803 / UA2470: SEA 2026-12-04 10:10:00 → DEN 2026-12-04 16:27:00; 1 stop(s) via YVR; 317 minutes. Local airport times.
    • AC8803: SEA 2026-12-04 10:10:00 → YVR 2026-12-04 12:21:00; layover at YVR: 75 minutes.
    • UA2470: YVR 2026-12-04 13:36:00 → DEN 2026-12-04 16:27:00.

2026-11-20 → 2026-11-23 · $222.76

  • Frontier Airlines F94545: DEN 2026-11-20 13:32:00 → SEA 2026-11-20 15:40:00; nonstop; 188 minutes. Local airport times.
  • Frontier Airlines F91916: SEA 2026-11-23 13:37:00 → DEN 2026-11-23 17:26:00; nonstop; 169 minutes. Local airport times.

2026-11-20 · one way · $114.75

  • Frontier Airlines F9605: DEN 2026-11-20 10:08:00 → SEA 2026-11-20 12:22:00; nonstop; 194 minutes. Local airport times.

2026-11-20 · one way · $189.00

  • Southwest Airlines WN2174: DEN 2026-11-20 14:45:00 → SEA 2026-11-20 16:50:00; nonstop; 185 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $193.88

  • Frontier Airlines F94545: DEN 2026-11-27 13:32:00 → SEA 2026-11-27 15:40:00; nonstop; 188 minutes. Local airport times.
  • Frontier Airlines F91916: SEA 2026-12-04 16:58:00 → DEN 2026-12-04 20:46:00; nonstop; 168 minutes. Local airport times.

2026-11-20 · one way · $195.75

  • Alaska Airlines AS493: DEN 2026-11-20 15:22:00 → SEA 2026-11-20 17:31:00; nonstop; 189 minutes. Local airport times.

2026-11-20 · one way · $202.50

  • Delta Air Lines DL2543: DEN 2026-11-20 18:33:00 → SEA 2026-11-20 20:40:00; nonstop; 187 minutes. Local airport times.

2026-11-20 · one way · $202.50

  • United Airlines UA2767: DEN 2026-11-20 19:10:00 → SEA 2026-11-20 21:19:00; nonstop; 189 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $222.76

  • Frontier Airlines F9605: DEN 2026-11-20 10:08:00 → SEA 2026-11-20 12:22:00; nonstop; 194 minutes. Local airport times.
  • Frontier Airlines F91916: SEA 2026-11-23 13:37:00 → DEN 2026-11-23 17:26:00; nonstop; 169 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $317.25

  • Southwest Airlines WN3141: DEN 2026-11-27 21:00:00 → SEA 2026-11-27 23:10:00; nonstop; 190 minutes. Local airport times.
  • Southwest Airlines WN3823: SEA 2026-12-04 13:35:00 → DEN 2026-12-04 17:05:00; nonstop; 150 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $329.00

  • Alaska Airlines AS421: DEN 2026-11-27 18:28:00 → SEA 2026-11-27 20:36:00; nonstop; 188 minutes. Local airport times.
  • Alaska Airlines AS310: SEA 2026-12-04 19:35:00 → DEN 2026-12-04 23:15:00; nonstop; 160 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $340.75

  • United Airlines UA2767: DEN 2026-11-27 19:10:00 → SEA 2026-11-27 21:19:00; nonstop; 189 minutes. Local airport times.
  • United Airlines UA2601: SEA 2026-12-04 05:00:00 → DEN 2026-12-04 08:41:00; nonstop; 161 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $340.75

  • Delta Air Lines DL2543: DEN 2026-11-27 18:33:00 → SEA 2026-11-27 20:40:00; nonstop; 187 minutes. Local airport times.
  • Delta Air Lines DL2543: SEA 2026-12-04 13:55:00 → DEN 2026-12-04 17:40:00; nonstop; 165 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $364.50

  • Southwest Airlines WN2174: DEN 2026-11-20 14:45:00 → SEA 2026-11-20 16:50:00; nonstop; 185 minutes. Local airport times.
  • Southwest Airlines WN4956: SEA 2026-11-23 06:15:00 → DEN 2026-11-23 09:45:00; nonstop; 150 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $364.50

  • Southwest Airlines WN3141: DEN 2026-11-20 21:00:00 → SEA 2026-11-20 23:10:00; nonstop; 190 minutes. Local airport times.
  • Southwest Airlines WN4956: SEA 2026-11-23 06:15:00 → DEN 2026-11-23 09:45:00; nonstop; 150 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $378.00

  • Alaska Airlines AS421: DEN 2026-11-20 18:28:00 → SEA 2026-11-20 20:36:00; nonstop; 188 minutes. Local airport times.
  • Alaska Airlines AS310: SEA 2026-11-23 19:35:00 → DEN 2026-11-23 23:15:00; nonstop; 160 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $378.00

  • Alaska Airlines AS493: DEN 2026-11-20 15:22:00 → SEA 2026-11-20 17:31:00; nonstop; 189 minutes. Local airport times.
  • Alaska Airlines AS310: SEA 2026-11-23 19:35:00 → DEN 2026-11-23 23:15:00; nonstop; 160 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $391.50

  • United Airlines UA2767: DEN 2026-11-20 19:10:00 → SEA 2026-11-20 21:19:00; nonstop; 189 minutes. Local airport times.
  • United Airlines UA2601: SEA 2026-11-23 05:00:00 → DEN 2026-11-23 08:41:00; nonstop; 161 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $391.50

  • United Airlines UA2013: DEN 2026-11-20 16:10:00 → SEA 2026-11-20 18:12:00; nonstop; 182 minutes. Local airport times.
  • United Airlines UA2601: SEA 2026-11-23 05:00:00 → DEN 2026-11-23 08:41:00; nonstop; 161 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $391.50

  • Delta Air Lines DL2543: DEN 2026-11-20 18:33:00 → SEA 2026-11-20 20:40:00; nonstop; 187 minutes. Local airport times.
  • Delta Air Lines DL2759: SEA 2026-11-23 13:55:00 → DEN 2026-11-23 17:40:00; nonstop; 165 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $391.50

  • Delta Air Lines DL1731: DEN 2026-11-20 06:00:00 → SEA 2026-11-20 08:18:00; nonstop; 198 minutes. Local airport times.
  • Delta Air Lines DL2759: SEA 2026-11-23 13:55:00 → DEN 2026-11-23 17:40:00; nonstop; 165 minutes. Local airport times.

2026-11-20 · one way · $141.75

  • Frontier Airlines F92015 / F92407: DEN 2026-11-20 06:25:00 → SEA 2026-11-20 12:27:00; 1 stop(s) via LAS; 422 minutes. Local airport times.
    • F92015: DEN 2026-11-20 06:25:00 → LAS 2026-11-20 07:37:00; layover at LAS: 112 minutes.
    • F92407: LAS 2026-11-20 09:29:00 → SEA 2026-11-20 12:27:00.

2026-11-20 · one way · $209.25

  • Southwest Airlines WN3148 / WN1586: DEN 2026-11-20 13:55:00 → SEA 2026-11-20 18:40:00; 1 stop(s) via SMF; 345 minutes. Local airport times.
    • WN3148: DEN 2026-11-20 13:55:00 → SMF 2026-11-20 15:30:00; layover at SMF: 70 minutes.
    • WN1586: SMF 2026-11-20 16:40:00 → SEA 2026-11-20 18:40:00.

2026-11-20 · one way · $209.25

  • Southwest Airlines WN1660 / WN948: DEN 2026-11-20 07:30:00 → SEA 2026-11-20 13:00:00; 1 stop(s) via LAS; 390 minutes. Local airport times.
    • WN1660: DEN 2026-11-20 07:30:00 → LAS 2026-11-20 08:30:00; layover at LAS: 90 minutes.
    • WN948: LAS 2026-11-20 10:00:00 → SEA 2026-11-20 13:00:00.

2026-11-20 · one way · $216.00

  • Alaska Airlines AS686 / AS3217: DEN 2026-11-20 07:40:00 → SEA 2026-11-20 12:09:00; 1 stop(s) via PDX; 329 minutes. Local airport times.
    • AS686: DEN 2026-11-20 07:40:00 → PDX 2026-11-20 09:39:00; layover at PDX: 75 minutes.
    • AS3217: PDX 2026-11-20 10:54:00 → SEA 2026-11-20 12:09:00.

2026-11-27 → 2026-12-04 · $217.50

  • Frontier Airlines F92015 / F92407: DEN 2026-11-27 06:25:00 → SEA 2026-11-27 12:27:00; 1 stop(s) via LAS; 422 minutes. Local airport times.
    • F92015: DEN 2026-11-27 06:25:00 → LAS 2026-11-27 07:37:00; layover at LAS: 112 minutes.
    • F92407: LAS 2026-11-27 09:29:00 → SEA 2026-11-27 12:27:00.
  • Frontier Airlines F91916: SEA 2026-12-04 16:58:00 → DEN 2026-12-04 20:46:00; nonstop; 168 minutes. Local airport times.

2026-11-20 · one way · $229.50

  • United Airlines UA1086 / AC8810: DEN 2026-11-20 15:53:00 → SEA 2026-11-20 21:57:00; 1 stop(s) via YVR; 424 minutes. Local airport times.
    • UA1086: DEN 2026-11-20 15:53:00 → YVR 2026-11-20 19:04:00; layover at YVR: 166 minutes.
    • AC8810: YVR 2026-11-20 21:50:00 → SEA 2026-11-20 21:57:00.

2026-11-20 → 2026-11-23 · $246.38

  • Frontier Airlines F92015 / F92407: DEN 2026-11-20 06:25:00 → SEA 2026-11-20 12:27:00; 1 stop(s) via LAS; 422 minutes. Local airport times.
    • F92015: DEN 2026-11-20 06:25:00 → LAS 2026-11-20 07:37:00; layover at LAS: 112 minutes.
    • F92407: LAS 2026-11-20 09:29:00 → SEA 2026-11-20 12:27:00.
  • Frontier Airlines F91916: SEA 2026-11-23 13:37:00 → DEN 2026-11-23 17:26:00; nonstop; 169 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $337.50

  • Southwest Airlines WN3148 / WN1586: DEN 2026-11-27 13:55:00 → SEA 2026-11-27 18:40:00; 1 stop(s) via SMF; 345 minutes. Local airport times.
    • WN3148: DEN 2026-11-27 13:55:00 → SMF 2026-11-27 15:30:00; layover at SMF: 70 minutes.
    • WN1586: SMF 2026-11-27 16:40:00 → SEA 2026-11-27 18:40:00.
  • Southwest Airlines WN3823: SEA 2026-12-04 13:35:00 → DEN 2026-12-04 17:05:00; nonstop; 150 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $337.50

  • Southwest Airlines WN1660 / WN948: DEN 2026-11-27 07:30:00 → SEA 2026-11-27 13:00:00; 1 stop(s) via LAS; 390 minutes. Local airport times.
    • WN1660: DEN 2026-11-27 07:30:00 → LAS 2026-11-27 08:30:00; layover at LAS: 90 minutes.
    • WN948: LAS 2026-11-27 10:00:00 → SEA 2026-11-27 13:00:00.
  • Southwest Airlines WN3823: SEA 2026-12-04 13:35:00 → DEN 2026-12-04 17:05:00; nonstop; 150 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $349.25

  • Alaska Airlines AS686 / AS3217: DEN 2026-11-27 07:40:00 → SEA 2026-11-27 12:09:00; 1 stop(s) via PDX; 329 minutes. Local airport times.
    • AS686: DEN 2026-11-27 07:40:00 → PDX 2026-11-27 09:39:00; layover at PDX: 75 minutes.
    • AS3217: PDX 2026-11-27 10:54:00 → SEA 2026-11-27 12:09:00.
  • Alaska Airlines AS310: SEA 2026-12-04 19:35:00 → DEN 2026-12-04 23:15:00; nonstop; 160 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $367.75

  • United Airlines UA1086 / AC8810: DEN 2026-11-27 15:53:00 → SEA 2026-11-27 21:57:00; 1 stop(s) via YVR; 424 minutes. Local airport times.
    • UA1086: DEN 2026-11-27 15:53:00 → YVR 2026-11-27 19:04:00; layover at YVR: 166 minutes.
    • AC8810: YVR 2026-11-27 21:50:00 → SEA 2026-11-27 21:57:00.
  • United Airlines UA2601: SEA 2026-12-04 05:00:00 → DEN 2026-12-04 08:41:00; nonstop; 161 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $384.75

  • Southwest Airlines WN3148 / WN1586: DEN 2026-11-20 13:55:00 → SEA 2026-11-20 18:40:00; 1 stop(s) via SMF; 345 minutes. Local airport times.
    • WN3148: DEN 2026-11-20 13:55:00 → SMF 2026-11-20 15:30:00; layover at SMF: 70 minutes.
    • WN1586: SMF 2026-11-20 16:40:00 → SEA 2026-11-20 18:40:00.
  • Southwest Airlines WN4956: SEA 2026-11-23 06:15:00 → DEN 2026-11-23 09:45:00; nonstop; 150 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $384.75

  • Southwest Airlines WN1660 / WN948: DEN 2026-11-20 07:30:00 → SEA 2026-11-20 13:00:00; 1 stop(s) via LAS; 390 minutes. Local airport times.
    • WN1660: DEN 2026-11-20 07:30:00 → LAS 2026-11-20 08:30:00; layover at LAS: 90 minutes.
    • WN948: LAS 2026-11-20 10:00:00 → SEA 2026-11-20 13:00:00.
  • Southwest Airlines WN4956: SEA 2026-11-23 06:15:00 → DEN 2026-11-23 09:45:00; nonstop; 150 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $398.25

  • Alaska Airlines AS686 / AS3217: DEN 2026-11-20 07:40:00 → SEA 2026-11-20 12:09:00; 1 stop(s) via PDX; 329 minutes. Local airport times.
    • AS686: DEN 2026-11-20 07:40:00 → PDX 2026-11-20 09:39:00; layover at PDX: 75 minutes.
    • AS3217: PDX 2026-11-20 10:54:00 → SEA 2026-11-20 12:09:00.
  • Alaska Airlines AS310: SEA 2026-11-23 19:35:00 → DEN 2026-11-23 23:15:00; nonstop; 160 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $418.50

  • United Airlines UA1086 / AC8810: DEN 2026-11-20 15:53:00 → SEA 2026-11-20 21:57:00; 1 stop(s) via YVR; 424 minutes. Local airport times.
    • UA1086: DEN 2026-11-20 15:53:00 → YVR 2026-11-20 19:04:00; layover at YVR: 166 minutes.
    • AC8810: YVR 2026-11-20 21:50:00 → SEA 2026-11-20 21:57:00.
  • United Airlines UA2601: SEA 2026-11-23 05:00:00 → DEN 2026-11-23 08:41:00; nonstop; 161 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $533.26

  • Air Canada AC575 / AC8804: DEN 2026-11-20 08:15:00 → SEA 2026-11-20 14:32:00; 1 stop(s) via YVR; 437 minutes. Local airport times.
    • AC575: DEN 2026-11-20 08:15:00 → YVR 2026-11-20 11:25:00; layover at YVR: 185 minutes.
    • AC8804: YVR 2026-11-20 14:30:00 → SEA 2026-11-20 14:32:00.
  • Air Canada AC8803 / UA2470: SEA 2026-11-23 10:10:00 → DEN 2026-11-23 16:27:00; 1 stop(s) via YVR; 317 minutes. Local airport times.
    • AC8803: SEA 2026-11-23 10:10:00 → YVR 2026-11-23 12:21:00; layover at YVR: 75 minutes.
    • UA2470: YVR 2026-11-23 13:36:00 → DEN 2026-11-23 16:27:00.

More dates for this route