App
Customer Support
PHP
Find Bookings
Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system

Cheap flight deals from Seattle to Rock Springs Starting at PHP 16,692

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

  • Round-trip
      • SEA05:15 am
        7h 22m
        1 stop
        RKS01:37 pm
        Mon, Mar 24|Seattle - Rock Springs|United Airlines
        RKS02:08 pm
        9h 52m
        1 stop
        SEA11:00 pm
        Mon, Mar 31|Rock Springs - Seattle|United Airlines
        PHP 16,692PHP 24,513
        32% OFF
        32% OFF
        PHP 24,513PHP 16,692

        Choose United Airlines flights from Seattle to Rock Springs. The one-way connecting flight with United Airlines departs from Seattle-Tacoma International Airport on Mon, Mar 24-Mon, Mar 31, arriving at Rock Springs-Sweetwater County Airport. One-way Prices start from PHP 16,692 including taxes and charges.

      • SEA05:02 am
        7h 30m
        1 stop
        RKS01:32 pm
        Sun, Mar 2|Seattle - Rock Springs|United Airlines
        RKS02:20 pm
        7h 41m
        1 stop
        SEA09:01 pm
        Sun, Mar 9|Rock Springs - Seattle|United Airlines
        PHP 16,868PHP 24,513
        31% OFF
        31% OFF
        PHP 24,513PHP 16,868

        Choose United Airlines flights from Seattle to Rock Springs. The one-way connecting flight with United Airlines departs from Seattle-Tacoma International Airport on Sun, Mar 2-Sun, Mar 9, arriving at Rock Springs-Sweetwater County Airport. One-way Prices start from PHP 16,868 including taxes and charges.

      • SEA05:15 am
        7h 22m
        1 stop
        RKS01:37 pm
        Wed, Mar 12|Seattle - Rock Springs|United Airlines
        RKS02:20 pm
        7h 41m
        1 stop
        SEA09:01 pm
        Wed, Mar 19|Rock Springs - Seattle|United Airlines
        PHP 16,916PHP 24,513
        31% OFF
        31% OFF
        PHP 24,513PHP 16,916

        Choose United Airlines flights from Seattle to Rock Springs. The one-way connecting flight with United Airlines departs from Seattle-Tacoma International Airport on Wed, Mar 12-Wed, Mar 19, arriving at Rock Springs-Sweetwater County Airport. One-way Prices start from PHP 16,916 including taxes and charges.

      • SEA03:16 pm
        5h 44m
        1 stop
        RKS10:00 pm
        Mon, Feb 24|Seattle - Rock Springs|United Airlines
        RKS02:22 pm
        9h 23m
        1 stop
        SEA10:45 pm
        Sun, Mar 2|Rock Springs - Seattle|United Airlines
        PHP 17,491
        PHP 17,491

        Choose United Airlines flights from Seattle to Rock Springs. The one-way connecting flight with United Airlines departs from Seattle-Tacoma International Airport on Mon, Feb 24-Sun, Mar 2, arriving at Rock Springs-Sweetwater County Airport. One-way Prices start from PHP 17,491 including taxes and charges.

      • SEA05:02 am
        7h 30m
        1 stop
        RKS01:32 pm
        Sun, Feb 23|Seattle - Rock Springs|United Airlines
        RKS05:20 am
        5h 29m
        1 stop
        SEA09:49 am
        Sat, Mar 1|Rock Springs - Seattle|United Airlines
        PHP 17,499
        PHP 17,499

        Choose United Airlines flights from Seattle to Rock Springs. The one-way connecting flight with United Airlines departs from Seattle-Tacoma International Airport on Sun, Feb 23-Sat, Mar 1, arriving at Rock Springs-Sweetwater County Airport. One-way Prices start from PHP 17,499 including taxes and charges.

      • SEA03:16 pm
        5h 44m
        1 stop
        RKS10:00 pm
        Tue, Feb 25|Seattle - Rock Springs|United Airlines
        RKS02:22 pm
        9h 23m
        1 stop
        SEA10:45 pm
        Mon, Mar 3|Rock Springs - Seattle|United Airlines
        PHP 17,531
        PHP 17,531

        Choose United Airlines flights from Seattle to Rock Springs. The one-way connecting flight with United Airlines departs from Seattle-Tacoma International Airport on Tue, Feb 25-Mon, Mar 3, arriving at Rock Springs-Sweetwater County Airport. One-way Prices start from PHP 17,531 including taxes and charges.

      • SEA05:15 am
        7h 22m
        1 stop
        RKS01:37 pm
        Sun, Mar 16|Seattle - Rock Springs|United Airlines
        RKS02:20 pm
        7h 41m
        1 stop
        SEA09:01 pm
        Sat, Mar 22|Rock Springs - Seattle|United Airlines
        PHP 17,579
        PHP 17,579

        Choose United Airlines flights from Seattle to Rock Springs. The one-way connecting flight with United Airlines departs from Seattle-Tacoma International Airport on Sun, Mar 16-Sat, Mar 22, arriving at Rock Springs-Sweetwater County Airport. One-way Prices start from PHP 17,579 including taxes and charges.

      • SEA05:15 am
        7h 22m
        1 stop
        RKS01:37 pm
        Fri, Mar 14|Seattle - Rock Springs|United Airlines
        RKS05:20 am
        5h 28m
        1 stop
        SEA09:48 am
        Thu, Mar 20|Rock Springs - Seattle|United Airlines
        PHP 17,603
        PHP 17,603

        Choose United Airlines flights from Seattle to Rock Springs. The one-way connecting flight with United Airlines departs from Seattle-Tacoma International Airport on Fri, Mar 14-Thu, Mar 20, arriving at Rock Springs-Sweetwater County Airport. One-way Prices start from PHP 17,603 including taxes and charges.

      • SEA03:45 pm
        5h 15m
        1 stop
        RKS10:00 pm
        Fri, Mar 7|Seattle - Rock Springs|United Airlines
        RKS05:20 am
        9h 34m
        1 stop
        SEA01:54 pm
        Tue, Mar 11|Rock Springs - Seattle|United Airlines
        PHP 18,050
        PHP 18,050

        Choose United Airlines flights from Seattle to Rock Springs. The one-way connecting flight with United Airlines departs from Seattle-Tacoma International Airport on Fri, Mar 7-Tue, Mar 11, arriving at Rock Springs-Sweetwater County Airport. One-way Prices start from PHP 18,050 including taxes and charges.

      • SEA05:15 am
        7h 22m
        1 stop
        RKS01:37 pm
        Sat, Mar 8|Seattle - Rock Springs|United Airlines
        RKS05:20 am
        5h 28m
        1 stop
        SEA09:48 am
        Wed, Mar 12|Rock Springs - Seattle|United Airlines
        PHP 18,074
        PHP 18,074

        Choose United Airlines flights from Seattle to Rock Springs. The one-way connecting flight with United Airlines departs from Seattle-Tacoma International Airport on Sat, Mar 8-Wed, Mar 12, arriving at Rock Springs-Sweetwater County Airport. One-way Prices start from PHP 18,074 including taxes and charges.

      • SEA01:00 pm
        3h 5m
        Nonstop
        RKS02:00 pm
        Sun, Mar 2|Seattle - Rock Springs|United 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 Rock Springs Flight Time

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA2269

    United Airlines

    05:00 am

    SEA

    2.7h

    08:43 am

    DEN

    SMTWTFS
    Search

  2. UA5081

    United Airlines

    12:15 pm

    DEN

    1.3h

    01:32 pm

    RKS

    SMTWTFS

  3. AS524

    Alaska Airlines

    05:55 pm

    SEA

    2.7h

    09:38 pm

    DEN

    SMTWTFS
    Search

  4. UA5094

    United Airlines

    09:00 pm

    DEN

    1.2h

    10:13 pm

    RKS

    SMTWTFS

  5. F93406

    Frontier Airlines

    06:00 am

    SEA

    2.8h

    09:47 am

    DEN

    S-TWTFS
    Search

  6. UA5094

    United Airlines

    09:00 pm

    DEN

    1.2h

    10:13 pm

    RKS

    SMTWTFS

  7. WN743

    Southwest Airlines

    07:30 am

    SEA

    2.8h

    11:15 am

    DEN

    SMTWTFS
    Search

  8. UA5094

    United Airlines

    09:00 pm

    DEN

    1.2h

    10:13 pm

    RKS

    SMTWTFS

  9. AS682

    Alaska Airlines

    07:55 am

    SEA

    2.7h

    11:39 am

    DEN

    SMTWTFS
    Search

  10. UA5094

    United Airlines

    09:00 pm

    DEN

    1.2h

    10:13 pm

    RKS

    SMTWTFS

  11. UA757

    United Airlines

    07:59 pm

    SEA

    2.9h

    11:50 pm

    DEN

    SMTWTFS
    Search

  12. UA5094

    United Airlines

    09:00 pm

    DEN

    1.2h

    10:13 pm

    RKS

    SMTWTFS

  13. AA6341

    American Airlines

    11:25 am

    SEA

    3.0h

    03:25 pm

    PHX

    SMTWTFS
    Search

  14. AA4012

    American Airlines

    04:24 pm

    PHX

    1.9h

    06:19 pm

    DEN

    --TWT-S

  15. UA5094

    United Airlines

    09:00 pm

    DEN

    1.2h

    10:13 pm

    RKS

    SMTWTFS

  16. DL3802

    Delta Air Lines

    11:32 am

    SEA

    1.1h

    12:38 pm

    PDX

    SMTWTFS
    Search

  17. UA540

    United Airlines

    03:21 pm

    PDX

    2.6h

    06:55 pm

    DEN

    SMTW-FS

  18. UA5094

    United Airlines

    09:00 pm

    DEN

    1.2h

    10:13 pm

    RKS

    SMTWTFS

  19. UA423

    United Airlines

    12:46 pm

    SEA

    2.8h

    04:31 pm

    DEN

    SMTWTFS
    Search

  20. UA5094

    United Airlines

    09:00 pm

    DEN

    1.2h

    10:13 pm

    RKS

    SMTWTFS
Find more flights and airlines

When is the cheapest time to fly from Seattle to Rock Springs?

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.

Frequently Asked Questions

  • When are flight tickets from Seattle (SEA) to Rock Springs (RKS) the cheapest?

    Airlines adjust prices for flights from Seattle to Rock Springs 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 Rock Springs (RKS) cost?

    According to Trip.com's data, the lowest price is around PHP 32,672.

How to find a cheap flight from Seattle to Rock Springs

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 Rock Springs. 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 Info | Seattle to Rock Springs

Off-season for travelDecember
Peak season for travelNovember
Flight distance1,232.32 km
Popular airlineAmerican Airlines

Contact Us

About

Other Services

Payment Methods
Our Partners
Copyright © 2025 Trip.com Travel Singapore Pte. Ltd. All rights reserved
Site Operator: Trip.com Travel Singapore Pte. Ltd.