Cheap flights from Denver to Seattle
Choose between Delta Air Lines, Southwest Airlines, 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, Seattle King Street railway station, Seattle, WA - Poly Clinic, Seattle, WA-Harborview Med , or Seattle-Virgin Mason Hospital Greyhound station. The distance between Denver and Seattle is 1646 km. The most popular airlines for this route are Delta Air Lines, Southwest Airlines, Frontier Airlines, Alaska Airlines, and United Airlines. Denver and Seattle have 210 direct flights per week.
Cheap one-way trips starting from £24 from Denver DEN to Seattle SEA
Denver International
Seattle–Tacoma International
One-way,
From £24
Denver International
Seattle–Tacoma International
One-way,
From £24
Denver International
Seattle–Tacoma International
One-way,
From £24
Denver International
Seattle–Tacoma International
One-way,
From £24
Denver International
Seattle–Tacoma International
One-way,
From £24
Denver International
Seattle–Tacoma International
One-way,
From £24
Cheap round trips starting from £44 from Denver DEN to Seattle SEA
Denver International
Seattle–Tacoma International
Round trip, -
From £44
Denver International
Seattle–Tacoma International
Round trip, -
From £45
Denver International
Seattle–Tacoma International
Round trip, -
From £45
Denver International
Seattle–Tacoma International
Round trip, -
From £45
Denver International
Seattle–Tacoma International
Round trip, -
From £45
Denver International
Seattle–Tacoma International
Round trip, -
From £45
Weekly flights
| Mondays | Tuesdays | Wednesdays | Thursdays | Fridays | Saturdays | Sundays | |
|---|---|---|---|---|---|---|---|
| Number of flights | 56 | 44 | 32 | 43 | - | 20 | 15 |
Fly direct with
Frontier Airlines on Mondays, Thursdays, Fridays, and Sundays.
United 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.
Alaska Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.
Check-in for a flight from Denver to Seattle
| Name | Carrier code | IATA Code | Passport needed during booking | Airport check-in closes | Online check-in available |
|---|---|---|---|---|---|
| Delta Air Lines | DAL | DL | Yes | Unknown | No |
| Southwest Airlines | SWA | WN | No | Unknown | No |
| Frontier Airlines | FFT | F9 | No | Unknown | No |
| Alaska Airlines | ASA | AS | Yes | Unknown | No |
| United Airlines | UAL | UA | Yes | Unknown | No |
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 Delta Air Lines, Alaska Airlines, Frontier Airlines, United 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, Miami International, Orlando International, George Bush Intercontinental, Phoenix Sky Harbor International, O Hare International, Minneapolis–Saint Paul International, Austin–Bergstrom International, Detroit Metropolitan, Sacramento International.
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, Miami International, Orlando International, Denver International, Dallas/Fort Worth International, Phoenix Sky Harbor International, Vancouver International, O Hare International, San Diego International, Philadelphia 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, Pueblo Memorial, Cheyenne Regional, Eagle County Regional.
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, Pangborn Memorial, Abbotsford International, Yakima Air Terminal, Vancouver Harbour Flight Centre, Friday Harbor Airport, Kenmore Air Harbor.
What buses and trains depart from Denver?
A number of bus and train companies depart from Denver, including Greyhound, Bustang.
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Denver and Seattle?
What is Virtual Interlining and how do I use it?
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.
Explore alternative destinations
Flights from Denver
- Flights from Denver to Los Angeles International
- Flights from Denver to McCarran International
- Flights from Denver to Miami International
- Flights from Denver to Orlando International
- Flights from Denver to George Bush Intercontinental
- Flights from Denver to Phoenix Sky Harbor International
- Flights from Denver to O Hare International
- Flights from Denver to Minneapolis–Saint Paul International
- Flights from Denver to Austin–Bergstrom International
- Flights from Denver to Detroit Metropolitan
- Flights from Denver to Sacramento International
Flights to Seattle
- Flights from Los Angeles International to Seattle
- Flights from McCarran International to Seattle
- Flights from Miami International to Seattle
- Flights from Orlando International to Seattle
- Flights from Denver International to Seattle
- Flights from Dallas/Fort Worth International to Seattle
- Flights from Phoenix Sky Harbor International to Seattle
- Flights from Vancouver International to Seattle
- Flights from O Hare International to Seattle
- Flights from San Diego International to Seattle
- Flights from Philadelphia International to Seattle
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