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Seattle-Tacoma International Airport to Denver International Airport flight
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Cheap Flights from Seattle-Tacoma International Airport to Denver International Airport

Search for flights from Seattle to Denver. Find affordable one-way or round-trip flights.

  • One way
  • Round-trip
sortSort by: Lowest Price
  • Sort by: Lowest Price
  • Sort by: Earliest Flight
      • SEA20:14
        3h 1m
        Direct
        DEN00:15
        Seattle - Denver|Tue, May 21|Frontier Airlines
        CNY 19CNY 51
        63% OFF
        63% OFF
        CNY 51CNY 19
      • SEA21:35
        2h 50m
        Direct
        DEN01:25
        Seattle - Denver|Tue, May 7|Frontier Airlines
        CNY 19CNY 51
        62% OFF
        62% OFF
        CNY 51CNY 19
      • SEA17:58
        2h 48m
        Direct
        DEN21:46
        Seattle - Denver|Wed, May 1|Frontier Airlines
        CNY 23CNY 51
        55% OFF
        55% OFF
        CNY 51CNY 23
      • SEA21:32
        2h 50m
        Direct
        DEN01:22
        Seattle - Denver|Sat, May 11|Frontier Airlines
        CNY 28
        CNY 28
      • SEA21:32
        2h 50m
        Direct
        DEN01:22
        Seattle - Denver|Sat, May 4|Frontier Airlines
        CNY 29
        CNY 29
      • SEA21:35
        2h 50m
        Direct
        DEN01:25
        Seattle - Denver|Tue, Apr 30|Frontier Airlines
        CNY 30
        CNY 30
      • SEA18:33
        2h 50m
        Direct
        DEN22:23
        Seattle - Denver|Wed, May 15|Frontier Airlines
        CNY 30
        CNY 30
      • SEA22:08
        2h 53m
        Direct
        DEN02:01
        Seattle - Denver|Sat, May 18|Frontier Airlines
        CNY 30
        CNY 30
      • SEA17:58
        2h 48m
        Direct
        DEN21:46
        Seattle - Denver|Wed, May 8|Frontier Airlines
        CNY 30
        CNY 30
      • SEA21:35
        2h 50m
        Direct
        DEN01:25
        Seattle - Denver|Tue, May 14|Frontier Airlines
        CNY 31
        CNY 31
      • SEA13:00
        3h 5m
        Direct
        DEN14:00
        Seattle - Denver|Tue, Apr 30|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Selected Airlines from Seattle-Tacoma International Airport to Denver International Airport

View airlines operating flights from Seattle to Denver. Compare prices and find the airline that meets your travel needs to enjoy a comfortable journey.

Alaska Airlines
From US$53
Delta Air Lines
From US$64
Southwest Airlines
From US$74
Sun Country Airlines
From US$76
United Airlines
From US$77
American Airlines
From US$78
Frontier Airlines
From US$160
ANA airlines
Find more flights and airlines
Flight Schedule from Seattle-Tacoma International Airport to Denver International Airport

Check on the flight schedule from Seattle to Denver to find the flight that matches your travel plan.

Flight info.
Departure
Arrival
Weekly Schedule

  1. F91132

    Frontier Airlines

    08:43

    SEA

    2.2h

    Direct

    11:57

    DEN

    S----F-
    Search

  2. F92150

    Frontier Airlines

    21:35

    SEA

    2.8h

    Direct

    01:25

    DEN

    -M-----
    Search

  3. F91176

    Frontier Airlines

    21:41

    SEA

    2.7h

    Direct

    01:24

    DEN

    S---T--
    Search

  4. F92146

    Frontier Airlines

    23:14

    SEA

    2.8h

    Direct

    03:01

    DEN

    --TWTFS
    Search
Find more flights and airlines

Seattle-Tacoma International Airport to Denver International Airport Flights Info

Flight distance1,646.85km
Cheapest one-way ticket price$19
Cheapest return ticket price$65

FAQs for Seattle-Tacoma International Airport to Denver International Airport Flights

  • How long is a flight from Seattle-Tacoma International Airport to Denver International Airport?

    It takes around 2 hours 51 minutes to fly from Seattle-Tacoma International Airport (SEA) to Denver International Airport (DEN).

  • How many daily flights are there from Seattle-Tacoma International Airport (SEA) to Denver International Airport (DEN)?

    There are around 17 daily flights from Seattle-Tacoma International Airport (SEA) to Denver International Airport (DEN).

  • When are flight tickets from Seattle-Tacoma International Airport (SEA) to Denver International Airport (DEN) the cheapest?

    Tickets cost around $96 in May, making it the cheapest month to book. Seattle-Tacoma International Airport (SEA) to Denver International Airport (DEN) is a popular route, so don't forget to book your tickets in advance.

  • When are flight tickets from Seattle-Tacoma International Airport (SEA) to Denver International Airport (DEN) most expensive?

    The route from Seattle-Tacoma International Airport (SEA) to Denver International Airport (DEN) is quite popular. Without considering departure times or holidays, tickets cost around $140 in April, the most expensive month to book this route.

  • What time does the earliest flight from Seattle-Tacoma International Airport to Denver International Airport depart?

    The earliest flight departs from Seattle-Tacoma International Airport (SEA) at 05:05 and arrives in Denver International Airport (DEN) at 08:48.

  • What time does the latest flight from Seattle-Tacoma International Airport to Denver International Airport depart?

    The latest flight departs from Seattle-Tacoma International Airport (SEA) at 21:49 and arrives in Denver International Airport (DEN) at 01:44.

  • Which airline operates the most direct flights from Seattle-Tacoma International Airport (SEA) to Denver International Airport (DEN)?

    Alaska Airlines is a very popular airline operating an average of 3620 flights per month.

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