Cheap flights from Denver to Seattle

Choose between Alaska Airlines, Delta Air Lines, or Frontier Airlines to find the best price

Travelers usually depart from Denver International, Denver Union Station, or Denver Greyhound station when they travel from Denver to Seattle. Book your trip to arrive at Seattle–Tacoma International, Boeing Field, Seattle King Street railway station, Seattle Greyhound Bus Station, or Seattle, WA - Poly Clinic. The distance between Denver and Seattle is 1646 km. The most popular airlines for this route are Alaska Airlines, Delta Air Lines, Frontier Airlines, Southwest Airlines, and United Airlines. Denver and Seattle have 204 direct flights per week.

Weekly flights

MondayTuesdayWednesdayThursdayFridaySaturdaySunday
Number of flights31232654-2050

Fly direct with

Frontier Airlines on Mondays, Thursdays, Fridays, and Sundays.

Alaska Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

Delta Air Lines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

Southwest Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

United Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

Check-in for a flight from Denver to Seattle

NameCarrier codeIATA CodePassport needed during bookingAirport check-in closesOnline check-in available
Alaska AirlinesASAASYesUnknownOpens 1 days before flight
Closes 1 hours before flight
Delta Air LinesDALDLYesUnknownOpens 1 days before flight
0
Frontier AirlinesFFTF9NoUnknownOpens 1 days before flight
Closes 1 hours before flight
Southwest AirlinesSWAWNNoUnknownOpens 1 days before flight
Closes 1 hours before flight
United AirlinesUALUAYesUnknownOpens 1 days before flight
Closes 1 hours before flight

Frequently asked questions

How long does it take to travel from Denver to Seattle?

A one-way nonstop (direct) flight between Denver and Seattle takes around 3.0 hours.

What is the flight distance between Denver and Seattle?

The flight distance between Denver and Seattle is 1646 km.

What airlines offer nonstop (direct) flights between Denver and Seattle?

Several carriers operate flights between Denver and Seattle. Airlines offering nonstop (direct) flights include Frontier Airlines, Delta Air Lines, United Airlines, Alaska Airlines, Southwest Airlines.

What are the most popular routes to and from Denver?

Travelers frequently search for route combinations, such as Denver and Los Angeles International, McCarran International, Seattle–Tacoma International, George Bush Intercontinental, Baltimore–Washington International, O Hare International, Minneapolis–Saint Paul International, Salt Lake City International, Portland International, Memphis International, Eppley Airfield.

What are the most popular routes to and from Seattle?

Travelers frequently search for route combinations, such as Seattle and Los Angeles International, McCarran International, Denver International, San Francisco International, Phoenix Sky Harbor International, Baltimore–Washington International, O Hare International, San Diego International, Minneapolis–Saint Paul International, Cleveland Hopkins International, Oakland International.

Which airports are there in Denver?

Denver is mainly served by Denver International. But there are other airports nearby, including Rocky Mountain Metropolitan Airport, Centennial Airport.

What airports are near Denver?

The main airport in Denver is Denver International. It is also served by Colorado Springs, Laramie Regional, Eagle County Regional, Cheyenne Regional, Pueblo Memorial.

What airports are near Seattle?

The main airport in Seattle is Seattle–Tacoma International. It is also served by Portland International, Vancouver International, Bellingham International, Pangborn Memorial, Paine Field Everett, Yakima Air Terminal, Vancouver Harbour Flight Centre, Friday Harbor Airport, Kenmore Air Harbor, Lopez Island.

What buses and trains depart from Denver?

A number of bus and train companies depart from Denver, including Greyhound.

Is it possible to combine flights, buses, and trains in one itinerary when traveling between Denver and Seattle?

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Which airlines fly between Denver and Seattle?

When's the best time to travel between Denver and Seattle?

What flights operate between Denver and Seattle?

How many airports are there near Denver?

How many airports are there near Seattle?

Is it possible to reach Denver by bus or train?

What time do nonstop (direct) flights between Denver and Seattle depart?

What time do nonstop (direct) flights between Denver and Seattle arrive?

What time do flights between Denver and Seattle depart?

What time do flights between Denver and Seattle arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.

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