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Amazing DEN to SEA Flight Deals

The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $77 round trip and $39 one way. Prices and availability subject to change. Additional terms may apply.

Flight Schedule for DEN to SEA

Carrier Flight Depart DEN Arrive SEA Wed
9/23
Thu
9/24
Fri
9/25
Sat
9/26
Sun
9/27
Mon
9/28
Tue
9/29
Stops
DL 1430 06:55 am 08:54 am Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
AS 1171 07:00 am 08:50 am Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
UA 404 11:25 am 01:27 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
AS 623 12:15 pm 02:08 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
UA 1823 02:00 pm 03:58 pm Check fare Check fare Check fare Check fare Check fare Check fare - 0 stop(s)
AS 741 02:00 pm 03:52 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
DL 946 02:25 pm 04:21 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
DL 1418 06:15 pm 08:13 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
AS 1177 06:35 pm 08:27 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
UA 2223 07:25 pm 09:25 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
F9 143 06:00 am 08:00 am - Check fare Check fare - Check fare Check fare - 0 stop(s)
F9 145 04:22 pm 06:20 pm - Check fare Check fare - Check fare Check fare - 0 stop(s)
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FAQs about flights from Denver Intl. Airport (DEN) to Seattle - Tacoma Intl. Airport (SEA)

Are there direct flights from Denver Airport to Sea-Tac Airport?

Alaska Airlines and United Airlines are among the airlines that have nonstop flights from Denver, CO Airport (DEN-Denver Intl.) to Seattle, WA Airport (SEA-Seattle - Tacoma Intl.). If you want to get to where you're headed without a stopover, be sure to check out their fares.

How long is the flight from Denver Airport to Sea-Tac Airport?

The travel time between Denver, CO Airport (DEN-Denver Intl.) and Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) is usually about 4 hours and 7 minutes. Make your journey more enjoyable by saving a few podcasts on your phone or laptop and enjoying them with your seat reclined.

What is the flight distance from Denver Airport to Sea-Tac Airport?

The flight distance from Denver, CO Airport (DEN-Denver Intl.) to Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) is 1,429 miles. We recommend you bring along a book or a few crosswords to make your trip more enjoyable.

What airlines fly from Denver Airport to Sea-Tac Airport?

If you're traveling from Denver to Seattle, there is a good range of airlines that'll fly you there. Try one of these well-known carriers offering direct flights from Denver, CO Airport (DEN-Denver Intl.) to Seattle, WA Airport (SEA-Seattle - Tacoma Intl.):

  • Alaska Airlines - (AS) with 107 flights every month
  • United Airlines - (UA) with 157 flights every month
  • Southwest Airlines - (WN) with 98 flights every month
  • Delta Air Lines - (DL) with 153 flights every month
Flying Tips & Tricks How do I find my flight number?
  • First, look in the itinerary that should be in your email inbox. You'll find a code made up of numbers and letters on the first page. It's a good idea to print the document or save it to your phone in case you need to make a change to your booking.
How early can you check bags for a flight?
  • Check-in times vary from airline to airline. However, with international flights you can typically drop your baggage three hours prior to departure. We recommend getting to the airport with ample time to spare as check-in closes about an hour before the plane leaves. If you're traveling domestically, check-in and luggage drop open two hours before departure and close 45 minutes before takeoff.

Denver Intl. to Seattle - Tacoma Intl. Flight FAQ

Traveling FromDenver Intl.
Traveling ToSeattle - Tacoma Intl.
Shortest Flight Time2 hours 50 mins
Earliest Departure Time6:55AM MDT
Latest Departure Time8:05PM MDT
Lowest Flight Price$77

Denver to Seattle Carriers and Route Information

Flight path for flights from Denver International Airport to Seattle-Tacoma International Airport


Distance:
1,028.00 miles


Airlines & Aircraft Used on DEN to SEA Flight Routes


Airline Carrier
Aircraft
United Airlines
Aerospatiale/Alenia ATR 42-300 / 320
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.