$268+ Cheap flights from Rock Springs (RKS) to Washington
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
RKS — SEA
Nov 29 — Dec 61
1 adult, Economy
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1. Tell us where you want to go
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Rock Springs to Washington
Keep the following information in mind while searching for Rock Springs to Washington flight deals. Data was last updated October 30, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $268 (United Airlines) |
Find flight deals from Rock Springs to Washington
Cheapest flights from Rock Springs to WashingtonExplore the most affordable flight options available from Rock Springs to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.
Explore the most affordable flight options available from Rock Springs to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/11:56 pmRKS - SEA
1 stop10h 14mUnited Airlines
Wed 12/33:45 pmSEA - RKS
1 stop5h 14mUnited Airlines
Deal found 10/28![United Airlines logo]()
$582
Cheapflights Fare Finder
Customize your flight search to find flights from Rock Springs to Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Rock Springs to Washington that are best for you.
Fly from
Rock Springs
Fly to
Washington
Route
Depart
Return
Price
Rock SpringsSeattle
RKS - SEA
RKSSEA
Rock Springs Sweetwater County
Wed 11/12
5:15 am-10:35 am
1 stop6h 20m
Seattle/Tacoma Intl
Sun 11/16
5:05 am-1:21 pm
1 stop7h 16m
$268
Rock SpringsSeattle
RKS - SEA
RKSSEA
Rock Springs Sweetwater County
Sat 2/28
2:10 pm-9:14 pm
1 stop8h 04m
Seattle/Tacoma Intl
Tue 3/3
5:00 am-1:33 pm
1 stop7h 33m
$308
Rock SpringsSeattle
RKS - SEA
RKSSEA
Rock Springs Sweetwater County
Sun 11/30
5:15 am-6:10 pm
1 stop13h 55m
$526
Best time to book a flight from Rock Springs to Washington
Have a flexible travel schedule? Discover the best time to fly to Washington from Rock Springs with our price prediction graph.
Estimated round-trip price
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