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$238+ 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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
RKS — SEA
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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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 September 16, 2025.

Round-trip from

$238
(United Airlines)
From Rock Springs Sweetwater County to Washington
Search Deals

Find flight deals from Rock Springs to Washington

Cheapest flights from Rock Springs to Washington
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 September 16, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 11/135:15 amRKS - SEA
1 stop6h 20mUnited Airlines
Mon 11/175:05 amSEA - RKS
1 stop7h 16mUnited Airlines
Deal found 9/15$238
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Sat 9/201:58 pmRKS - SEA
1 stop4h 56mUnited Airlines
Tue 9/235:02 amSEA - RKS
1 stop7h 21mUnited Airlines
Deal found 9/16$313

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 September 16, 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

Thu 11/13

5:15 am-10:35 am

1 stop6h 20m

Seattle/Tacoma Intl

Mon 11/17

5:05 am-1:21 pm

1 stop7h 16m

$238

Rock SpringsSeattle

RKS - SEA

RKSSEA

Rock Springs Sweetwater County

Sat 2/28

5:25 am-10:04 am

1 stop5h 39m

Seattle/Tacoma Intl

Tue 3/3

5:07 am-1:30 pm

1 stop7h 23m

$308

Rock SpringsSeattle

RKS - SEA

RKSSEA

Rock Springs Sweetwater County

Sun 11/30

5:15 am-10:35 am

1 stop6h 20m

$299

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Rock Springs to Washington
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Rock Springs to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Rock Springs to Washington?

    Located just 7.1 mi from the city center, Rock Springs Sweetwater County (RKS) is the airport most travelers will use when flying to Washington from Rock Springs.

  • How long is the flight from Rock Springs to State of Washington?

    United Airlines can get you from Rock Springs to State of Washington in just under 6h 20m. Your travel time can differ by up to . Airlines will cover a distance of 766 mi.

  • Can I find deals for flights from Rock Springs to Washington that include hotel bookings?

    Yes. In addition to deals on Rock Springs to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Rock Springs to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rock Springs to Washington.

  • Can I find deals for business class flights from Rock Springs to Washington?

    Yes. Cheapflights offers flight deals from Rock Springs to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Rock Springs to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from Rock Springs to State of Washington (average of $238). Flying from Rock Springs to State of Washington in June is currently the most expensive (average of $387). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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