Flights from Seattle to Denver

SEADEN

Seattle–Tacoma International Airport (Seattle, United States) → Denver International Airport (Denver, United States)

Nonstop
2h 30m
Distance
1,645 km
Frequency
7×/week
One-way from
$164
Airlines
Alaska Airlines, ATI, Delta Air Lines, Frontier Airlines, Southwest Airlines, United Airlines
Book on Aviasales

Fares by month

One-way, per person

Lowest fares Aviasales travelers found in recent searches; some may include a connection. Prices change often — tap a month to see live fares.

Weekly schedule

Monday

  • UA75705:05→08:422h 37mUnited Airlines
  • WN495606:15→09:452h 30mSouthwest Airlines
  • AS68207:23→11:142h 51mAlaska Airlines
  • UA150508:30→12:142h 44mUnited Airlines
  • DL135809:05→12:492h 44mDelta Air Lines
  • WN215009:10→12:452h 35mSouthwest Airlines
  • AS53510:06→13:582h 52mAlaska Airlines
  • UA153412:45→16:262h 41mUnited Airlines
  • WN382313:55→17:302h 35mSouthwest Airlines
  • DL254313:55→17:472h 52mDelta Air Lines
  • AS42113:59→17:392h 40mAlaska Airlines
  • UA72515:49→19:302h 41mUnited Airlines
  • F9340616:27→20:152h 48mFrontier Airlines
  • AS31018:59→22:382h 39mAlaska Airlines
  • DL285120:00→23:552h 55mDelta Air Lines

Tuesday

  • UA75705:05→08:422h 37mUnited Airlines
  • WN495606:10→09:452h 35mSouthwest Airlines
  • AS68207:23→11:142h 51mAlaska Airlines
  • UA150508:30→12:142h 44mUnited Airlines
  • DL135809:05→12:492h 44mDelta Air Lines
  • WN215009:30→13:052h 35mSouthwest Airlines
  • AS53510:06→13:582h 52mAlaska Airlines
  • UA153412:45→16:262h 41mUnited Airlines
  • DL254313:55→17:472h 52mDelta Air Lines
  • AS42113:59→17:392h 40mAlaska Airlines
  • UA72515:49→19:302h 41mUnited Airlines
  • DL285120:00→23:552h 55mDelta Air Lines

Wednesday

  • UA75705:05→08:422h 37mUnited Airlines
  • WN495606:10→09:452h 35mSouthwest Airlines
  • AS68207:23→11:142h 51mAlaska Airlines
  • UA150508:30→12:142h 44mUnited Airlines
  • DL135809:05→12:492h 44mDelta Air Lines
  • WN215009:30→13:052h 35mSouthwest Airlines
  • AS53510:06→13:582h 52mAlaska Airlines
  • UA153412:45→16:262h 41mUnited Airlines
  • DL254313:55→17:472h 52mDelta Air Lines
  • AS42113:59→17:392h 40mAlaska Airlines
  • UA72515:49→19:302h 41mUnited Airlines
  • F9340616:27→20:152h 48mFrontier Airlines
  • AS31018:59→22:382h 39mAlaska Airlines
  • UA121819:04→22:452h 41mUnited Airlines
  • DL285120:00→23:552h 55mDelta Air Lines

Thursday

  • UA75705:05→08:422h 37mUnited Airlines
  • WN495606:15→09:452h 30mSouthwest Airlines
  • AS68207:23→11:142h 51mAlaska Airlines
  • UA150508:30→12:142h 44mUnited Airlines
  • DL135809:05→12:492h 44mDelta Air Lines
  • WN215009:10→12:452h 35mSouthwest Airlines
  • UA153412:45→16:262h 41mUnited Airlines
  • WN382313:55→17:302h 35mSouthwest Airlines
  • DL254313:55→17:472h 52mDelta Air Lines
  • AS42113:59→17:392h 40mAlaska Airlines
  • UA72515:49→19:302h 41mUnited Airlines
  • AS31018:59→22:382h 39mAlaska Airlines
  • DL285120:00→23:552h 55mDelta Air Lines

Friday

  • UA75705:05→08:422h 37mUnited Airlines
  • WN495606:15→09:452h 30mSouthwest Airlines
  • AS68207:23→11:142h 51mAlaska Airlines
  • UA150508:30→12:142h 44mUnited Airlines
  • DL135809:05→12:492h 44mDelta Air Lines
  • WN215009:10→12:452h 35mSouthwest Airlines
  • UA153412:45→16:262h 41mUnited Airlines
  • WN382313:55→17:302h 35mSouthwest Airlines
  • DL254313:55→17:472h 52mDelta Air Lines
  • AS42113:59→17:392h 40mAlaska Airlines
  • UA72515:49→19:302h 41mUnited Airlines
  • F9340616:27→20:152h 48mFrontier Airlines
  • AS31018:59→22:382h 39mAlaska Airlines
  • UA121819:04→22:452h 41mUnited Airlines
  • DL285120:00→23:552h 55mDelta Air Lines

Saturday

  • UA75705:05→08:422h 37mUnited Airlines
  • WN495606:45→10:152h 30mSouthwest Airlines
  • UA150508:30→12:142h 44mUnited Airlines
  • DL135809:05→12:492h 44mDelta Air Lines
  • AS53510:06→13:582h 52mAlaska Airlines
  • WN215010:40→14:202h 40mSouthwest Airlines
  • UA153412:45→16:262h 41mUnited Airlines
  • WN74613:05→16:352h 30mSouthwest Airlines
  • DL254313:55→17:472h 52mDelta Air Lines
  • AS42113:59→17:392h 40mAlaska Airlines
  • UA72515:49→19:302h 41mUnited Airlines
  • F9340616:27→20:152h 48mFrontier Airlines
  • AS31018:59→22:382h 39mAlaska Airlines
  • DL285120:00→23:552h 55mDelta Air Lines

Sunday

  • UA75705:05→08:423h 37mUnited Airlines
  • WN495606:15→09:453h 30mSouthwest Airlines
  • AS68207:23→11:143h 51mAlaska Airlines
  • UA150508:30→12:143h 44mUnited Airlines
  • DL135809:05→12:492h 44mDelta Air Lines
  • WN215009:10→12:452h 35mSouthwest Airlines
  • UA153412:45→16:262h 41mUnited Airlines
  • WN382313:55→17:302h 35mSouthwest Airlines
  • DL254313:55→17:472h 52mDelta Air Lines
  • AS42113:59→17:392h 40mAlaska Airlines
  • UA72515:49→19:302h 41mUnited Airlines
  • AS31018:59→22:382h 39mAlaska Airlines
  • UA121819:04→22:452h 41mUnited Airlines
  • DL285120:00→23:552h 55mDelta Air Lines

Seattle to Denver — frequently asked

How long is the flight from Seattle to Denver?
SEA–DEN is 2h 30m nonstop, covering 1,645 km (1,022 mi).
Which airlines fly nonstop from Seattle to Denver?
Alaska Airlines, ATI, Delta Air Lines, Frontier Airlines, Southwest Airlines, United Airlines operate this route nonstop.
How much is a flight from Seattle to Denver?
One-way fares on SEA–DEN recently started from $164. Fares change daily, so check current prices before booking.
How often do flights run from Seattle to Denver?
The route is served 7 days a week (98 scheduled departures).