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$248+ 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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
RKS — SEA
May 5 — May 121
Mon 5/5
Mon 5/12
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 April 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
2 stars

Round-trip from

$248
(United Airlines)
Provider with most accurate pricing for Rock Springs Sweetwater County-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Rock Springs Sweetwater County-Seattle/Tacoma Intl flights.
Search Deals
From Rock Springs Sweetwater County to Washington
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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 April 30, 2025.

This United Airlines deal was found by Cheapflights users on 4/29. 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.
Wed 5/145:15 amRKS - SEA
1 stop5h 32mUnited Airlines
Sun 5/185:15 amSEA - RKS
1 stop7h 08mUnited Airlines
Deal found 4/29$248

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 April 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 5/14

5:15 am-9:47 am

1 stop5h 32m

Seattle/Tacoma Intl

Sun 5/18

5:15 am-1:23 pm

1 stop7h 08m

$248

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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

Rainfall in Washington by month

Plan your trip to Washington by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

Plan your trip to Washington by taking into account the average temperature totals by month.

If weather is an important factor for your trip to State of Washington, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated April 30, 2025.
United Airlines
7.4
Good
8,696 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,696 reviews
United Airlines
7.4
Good
8,696 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

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.

  • 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 July is currently the most expensive (average of $405). 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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