Seattle, WA to Denver, CO flights from £58

Flights starting at £58. Choose between Alaska Airlines, United Airlines, or JetBlue Airways to find the best price.

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Tips to know when travelling to Denver

Cheapest one-way trip

£58

Cheapest nonstop round-trip

£58

Cheapest round-trip

£72

Average round-trip

£136

Nonstop flights in December

£58 – £499

Round trips

Seattle SEADenver DEN

Frontier Airlines

£72
Seattle SEADenver DEN

Multiple carriers

£98

Updated:

1646 km
Distance
Duration
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Travelers usually depart from Seattle–Tacoma International, Seattle, WA - King Street Station, Seattle, WA - Greyhound Station, Seattle, WA - Ferry Terminal, or Boeing Field when they travel from Seattle to Denver. Book your trip to arrive at Denver International, Denver Union Station, Centennial Airport, or Rocky Mountain Metropolitan Airport. The distance between Seattle and Denver is 1646 km. The most popular airlines for this route are Alaska Airlines, United Airlines, JetBlue Airways, Delta Air Lines, and Linear Air. Seattle and Denver have 401 direct flights per week.

Weekly direct flights

MondaysTuesdaysWednesdaysThursdaysFridaysSaturdaysSundays
Direct flights1416157121415
Fly direct with

American Airlines on Tuesdays.

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

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

Frontier 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 Seattle to Denver

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
Alaska AirlinesASAASYesOpens 24 days before flight
Closes 1 hours before flight
United AirlinesUALUAYesNo
JetBlue AirwaysJBUB6YesOpens 24 days before flight
Closes 2 hours before flight
Delta Air LinesDALDLYesOpens 24 days before flight
Closes 1 hours before flight
Linear Air O2YesNo

Denver travel tips

1) Buy a Citypass in Denver to save some money

For those who plan to see a lot of Denver, purchasing a City Pass is the best option. This card will give free entry into many museums and other sights, as well as special rates for public transport (35 percent less than simple retes).

2) Sport fans must attend a baseball match in Denver

Denver is an incredibly sporty city. All sports fans flock to various stadiums to watch a Colorado Rockies, Avalanche or Nuggets game before you leave the city. Choosing a venue remember that the large Stadium Arena at National Western Complex will give you the most unforgettable emotions.

3) Do not hesitate to ask if ice skating is free in winter in Denver

Locals of Denver adore ice skating in winter. Lots of local businesses set up ice skating areas for pedestrians. Anytime you see a rink, feel free to ask if the admission fee is needed, because pretty often it is not.

Learn more about COVID-19 restrictions in United States in our dedicated Stories article.

Frequently asked questions

How long does it take to travel from Seattle to Denver?
A one-way nonstop (direct) flight between Seattle and Denver takes around 2.7 hours.
What is the flight distance between Seattle and Denver?
The flight distance between Seattle and Denver is 1646 km.
What airlines offer nonstop (direct) flights between Seattle and Denver?
Several carriers operate flights between Seattle and Denver. Airlines offering nonstop (direct) flights include American Airlines, Frontier Airlines, United Airlines, Delta Air Lines, Alaska Airlines.
What are the most popular routes to and from Seattle?
Travelers frequently search for route combinations, such as Seattle and London, Las Vegas, Phoenix, Dublin, Melbourne, Orlando, Salt Lake City, San Jose, Vancouver, Manchester, Edinburgh, San Francisco, Philadelphia, Dallas, Washington, D.C., New York, Atlanta, Los Angeles, Rome, Raleigh.
What are the most popular routes to and from Denver?
Travelers frequently search for route combinations, such as Denver and London, Calgary, Manchester, Bangkok, Dublin, Taipei, Buffalo, Athens, Detroit, Toronto, Manila, Edinburgh, New York, Austin, Chicago, San Francisco, Orlando, Fort Lauderdale, Los Angeles, Paris.
Which airports are there in Seattle?
Seattle is mainly served by Seattle–Tacoma International. But there are other airports nearby, including Kenmore Air Harbor Seaplane Base, Boeing Field.
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, Paine Field Everett, Abbotsford International, Pangborn Memorial, Yakima Air Terminal, Victoria Inner Harbour SPB, Friday Harbor Airport, Vancouver Harbour Flight Centre.
What airports are near Denver?
The main airport in Denver is Denver International. It is also served by Colorado Springs, Laramie Regional, Cheyenne Regional, Eagle County Regional, Pueblo Memorial.
What buses and trains depart from Seattle?
A number of bus and train companies depart from Seattle, including Greyhound.
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Seattle and Denver?
What is Virtual Interlining and how do I use it?
Which airlines fly between Seattle and Denver?
When's the best time to travel between Seattle and Denver?
What flights operate between Seattle and Denver?
How many airports are there near Seattle?
How many airports are there near Denver?
Is it possible to reach Seattle by bus or train?
What time do nonstop (direct) flights between Seattle and Denver depart?
What time do nonstop (direct) flights between Seattle and Denver arrive?
What time do flights between Seattle and Denver depart?
What time do flights between Seattle and Denver 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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