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Flights from Seattle to Denver Starting at IDR 312,711

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip
      • Cheapest nonstop
        SEA13:36
        2h 49m
        Nonstop
        DEN17:25
        Wed, Feb 26|Seattle - Denver|Frontier Airlines
        IDR 312,711IDR 2,216,277
        86% OFF
        86% OFF
        IDR 2,216,277IDR 312,711

        Choose Frontier Airlines flights from Seattle to Denver. The one-way direct flight with Frontier Airlines departs from Seattle-Tacoma International Airport on Wed, Feb 26, arriving at Denver International Airport. One-way Prices start from IDR 312,711 including taxes and charges.

      • SEA13:36
        2h 49m
        Nonstop
        DEN17:25
        Sat, Mar 1|Seattle - Denver|Frontier Airlines
        IDR 326,209IDR 2,216,277
        85% OFF
        85% OFF
        IDR 2,216,277IDR 326,209

        Choose Frontier Airlines flights from Seattle to Denver. The one-way direct flight with Frontier Airlines departs from Seattle-Tacoma International Airport on Sat, Mar 1, arriving at Denver International Airport. One-way Prices start from IDR 326,209 including taxes and charges.

      • SEA14:02
        2h 48m
        Nonstop
        DEN17:50
        Thu, Mar 13|Seattle - Denver|Frontier Airlines
        IDR 445,444IDR 2,216,277
        80% OFF
        80% OFF
        IDR 2,216,277IDR 445,444

        Choose Frontier Airlines flights from Seattle to Denver. The one-way direct flight with Frontier Airlines departs from Seattle-Tacoma International Airport on Thu, Mar 13, arriving at Denver International Airport. One-way Prices start from IDR 445,444 including taxes and charges.

      • SEA06:00
        2h 46m
        Nonstop
        DEN09:46
        Wed, Apr 30|Seattle - Denver|Frontier Airlines
        IDR 452,193
        IDR 452,193

        Choose Frontier Airlines flights from Seattle to Denver. The one-way direct flight with Frontier Airlines departs from Seattle-Tacoma International Airport on Wed, Apr 30, arriving at Denver International Airport. One-way Prices start from IDR 452,193 including taxes and charges.

      • SEA06:00
        2h 46m
        Nonstop
        DEN09:46
        Wed, Apr 23|Seattle - Denver|Frontier Airlines
        IDR 494,938
        IDR 494,938

        Choose Frontier Airlines flights from Seattle to Denver. The one-way direct flight with Frontier Airlines departs from Seattle-Tacoma International Airport on Wed, Apr 23, arriving at Denver International Airport. One-way Prices start from IDR 494,938 including taxes and charges.

      • SEA13:36
        2h 49m
        Nonstop
        DEN17:25
        Sat, Feb 22|Seattle - Denver|Frontier Airlines
        IDR 499,438
        IDR 499,438

        Choose Frontier Airlines flights from Seattle to Denver. The one-way direct flight with Frontier Airlines departs from Seattle-Tacoma International Airport on Sat, Feb 22, arriving at Denver International Airport. One-way Prices start from IDR 499,438 including taxes and charges.

      • SEA06:00
        2h 46m
        Nonstop
        DEN09:46
        Tue, Apr 29|Seattle - Denver|Frontier Airlines
        IDR 501,687
        IDR 501,687

        Choose Frontier Airlines flights from Seattle to Denver. The one-way direct flight with Frontier Airlines departs from Seattle-Tacoma International Airport on Tue, Apr 29, arriving at Denver International Airport. One-way Prices start from IDR 501,687 including taxes and charges.

      • SEA14:02
        2h 48m
        Nonstop
        DEN17:50
        Thu, Mar 6|Seattle - Denver|Frontier Airlines
        IDR 609,674
        IDR 609,674

        Choose Frontier Airlines flights from Seattle to Denver. The one-way direct flight with Frontier Airlines departs from Seattle-Tacoma International Airport on Thu, Mar 6, arriving at Denver International Airport. One-way Prices start from IDR 609,674 including taxes and charges.

      • SEA14:02
        2h 48m
        Nonstop
        DEN17:50
        Mon, Mar 17|Seattle - Denver|Frontier Airlines
        IDR 629,921
        IDR 629,921

        Choose Frontier Airlines flights from Seattle to Denver. The one-way direct flight with Frontier Airlines departs from Seattle-Tacoma International Airport on Mon, Mar 17, arriving at Denver International Airport. One-way Prices start from IDR 629,921 including taxes and charges.

      • SEA13:36
        2h 49m
        Nonstop
        DEN17:25
        Wed, Mar 5|Seattle - Denver|Frontier Airlines
        IDR 656,918
        IDR 656,918

        Choose Frontier Airlines flights from Seattle to Denver. The one-way direct flight with Frontier Airlines departs from Seattle-Tacoma International Airport on Wed, Mar 5, arriving at Denver International Airport. One-way Prices start from IDR 656,918 including taxes and charges.

      • SEA01:00 pm
        3h 5m
        Nonstop
        DEN02:00 pm
        Fri, Feb 28|Seattle - Denver|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.

Seattle to Denver flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA2269

    United Airlines

    05:00

    SEA

    2.7h

    Nonstop

    08:43

    DEN

    SMTWTFS
    Search

  2. F93406

    Frontier Airlines

    06:00

    SEA

    2.9h

    Nonstop

    09:51

    DEN

    S-TWTFS
    Search

  3. AS602

    Alaska Airlines

    13:09

    SEA

    2.7h

    Nonstop

    16:49

    DEN

    SMTWTFS
    Search

  4. F93163

    Frontier Airlines

    13:36

    SEA

    2.6h

    16:13

    ONT

    S--WT-S
    Search

  5. F92908

    Frontier Airlines

    17:13

    ONT

    2.4h

    20:35

    DEN

    S--WT-S

  6. F93163

    Frontier Airlines

    13:36

    SEA

    2.6h

    16:13

    ONT

    S--WT-S
    Search

  7. F91262

    Frontier Airlines

    12:16

    ONT

    2.3h

    15:35

    DEN

    -M-----

  8. F91176

    Frontier Airlines

    17:08

    SEA

    2.8h

    Nonstop

    20:53

    DEN

    ----T--
    Search

  9. DL2851

    Delta Air Lines

    19:40

    SEA

    2.8h

    Nonstop

    23:27

    DEN

    SMTWTFS
    Search

  10. F94830

    Frontier Airlines

    20:22

    SEA

    2.7h

    23:03

    LAS

    SM-WTFS
    Search

  11. F92350

    Frontier Airlines

    06:00

    LAS

    2.1h

    09:04

    DEN

    SM-WTFS

  12. F94830

    Frontier Airlines

    20:22

    SEA

    2.7h

    23:03

    LAS

    SM-WTFS
    Search

  13. F94612

    Frontier Airlines

    19:35

    LAS

    2.1h

    22:40

    DEN

    SMTWTFS

  14. F93974

    Frontier Airlines

    21:42

    SEA

    3.0h

    00:44

    PHX

    S--W-FS
    Search

  15. F91376

    Frontier Airlines

    05:50

    PHX

    1.9h

    08:46

    DEN

    SMTWTFS
Find more flights and airlines

Find the best time to fly from Seattle to Denver

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Airlines Flying from Seattle to Denver

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Alaska Airlines logoAlaska AirlinesFrontier Airlines logoFrontier AirlinesDelta Air Lines logoDelta Air LinesUnited Airlines logoUnited Airlines

FAQ

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

    Airlines adjust prices for flights from Seattle to Denver based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Seattle (SEA) to Denver (DEN) cost?

    According to Trip.com's data, the lowest price is around IDR 2,587,176.

  • How long does it take to fly from Seattle (SEA) to Denver (DEN) and what is the distance?

    It takes around 6 hours 32 minutes to fly from Seattle (SEA) to Denver (DEN).

  • What are the most popular airlines that fly from Seattle (SEA) to Denver (DEN)?

How to find a cheap flight from Seattle to Denver

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Seattle to Denver. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information from Seattle to Denver

Cheapest nonstop flight priceIDR 312,710
Cheapest round-trip ticket priceIDR 544,431
Off-season for travelMarch
Peak season for travelNovember
Flight distance1,644.78 km
Average flight time6 hours 32 minutes
Popular airlineAlaska Airlines

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