HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Rock Springs

$388+ Cheap flights from District of Columbia to Rock Springs (RKS)

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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — RKS
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from District of Columbia to Rock Springs with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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 District of Columbia to Rock Springs

Cheapest flights from District of Columbia to Rock Springs
Explore the most affordable flight options available from District of Columbia to Rock Springs. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.

This United Airlines deal was found by Cheapflights users on 2/12. 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.
Tue 10/274:08 pm
IAD
-
RKS
1 stop7h 53m
United Airlines
Sat 10/312:05 pm
RKS
-
IAD
1 stop7h 08m
United Airlines
Deal found 2/12$388
This United Airlines deal was found by Cheapflights users on 2/11. 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.
Tue 10/274:07 pm
DCA
-
RKS
1 stop7h 54m
United Airlines
Sat 10/315:25 am
RKS
-
DCA
1 stop7h 31m
United Airlines
Deal found 2/11$413
This United Airlines deal was found by Cheapflights users on 2/11. 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 5/1810:35 pm
IAD
-
RKS
1 stop16h 55m
United Airlines
Sun 5/245:25 am
RKS
-
IAD
1 stop10h 37m
United Airlines
Deal found 2/11$467
This United Airlines deal was found by Cheapflights users on 2/11. 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.
Tue 5/198:25 am
IAD
-
RKS
1 stop7h 05m
United Airlines
Sat 5/232:05 pm
RKS
-
IAD
1 stop8h 32m
United Airlines
Deal found 2/11$484
This United Airlines deal was found by Cheapflights users on 2/11. 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 5/1810:35 pm
IAD
-
RKS
1 stop16h 55m
United Airlines
Sat 5/232:05 pm
RKS
-
IAD
1 stop7h 26m
United Airlines
Deal found 2/11$534
This United Airlines deal was found by Cheapflights users on 2/11. 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 5/1810:32 pm
IAD
-
RKS
2 stops16h 58m
United Airlines
Fri 5/222:05 pm
RKS
-
IAD
2 stops23h 36m
United Airlines
Deal found 2/11$588

Find flight deals from District of Columbia to Rock Springs

Keep the following information in mind while searching for District of Columbia to Rock Springs flight deals. Data was last updated February 13, 2026.

Round-trip from

$467
(United Airlines)

One-way from

$406
(United Airlines)
From District of Columbia to Rock Springs Sweetwater County
Search Deals
One-way flight from District of Columbia to Rock Springs Sweetwater County
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia to Rock Springs 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 February 13, 2026.
Use the filters below to find and compare flights from District of Columbia to Rock Springs that are best for you.

Fly from

District of Columbia

Fly to

Rock Springs

Route

Depart

Return

Price

Washington, D.C.Rock Springs

IAD - RKS

IADRKS

Washington, D.C. Dulles Intl

Mon 5/18

10:35 pm-1:30 pm

1 stop16h 55m

Rock Springs Sweetwater County

Sun 5/24

5:25 am-6:02 pm

1 stop10h 37m

$467

Washington, D.C.Rock Springs

IAD - RKS

IADRKS

Washington, D.C. Dulles Intl

Tue 5/19

10:35 pm-10:15 pm

1 stop25h 40m

Rock Springs Sweetwater County

Sun 5/24

5:25 am-6:02 pm

1 stop10h 37m

$467

Washington, D.C.Rock Springs

IAD - RKS

IADRKS

Washington, D.C. Dulles Intl

Tue 5/19

8:25 am-1:30 pm

1 stop7h 05m

Rock Springs Sweetwater County

Sat 5/23

2:05 pm-12:37 am

1 stop8h 32m

$484

Washington, D.C.Rock Springs

IAD - RKS

IADRKS

Washington, D.C. Dulles Intl

Mon 5/18

10:35 pm-1:30 pm

1 stop16h 55m

Rock Springs Sweetwater County

Sat 5/23

2:05 pm-11:31 pm

1 stop7h 26m

$534

Washington, D.C.Rock Springs

IAD - RKS

IADRKS

Washington, D.C. Dulles Intl

Mon 5/18

10:32 pm-1:30 pm

2 stops16h 58m

Rock Springs Sweetwater County

Fri 5/22

2:05 pm-3:41 pm

2 stops23h 36m

$588

Washington, D.C.Rock Springs

IAD - RKS

IADRKS

Washington, D.C. Dulles Intl

Tue 5/19

8:25 am-1:30 pm

1 stop7h 05m

Rock Springs Sweetwater County

Fri 5/22

2:05 pm-11:28 am

1 stop19h 23m

$721

Washington, D.C.Rock Springs

IAD - RKS

IADRKS

Washington, D.C. Dulles Intl

Thu 2/26

10:25 pm-1:33 pm

1 stop17h 08m

$406

Washington, D.C.Rock Springs

DCA - RKS

DCARKS

Washington, D.C. Reagan-National

Thu 2/26

1:00 pm-10:13 pm

2 stops11h 13m

$544

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Best time to book a flight from District of Columbia to Rock Springs

Have a flexible travel schedule? Discover the best time to fly to Rock Springs from District of Columbia 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 District of Columbia to Rock Springs
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 District of Columbia to Rock Springs. 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 into for flights to Rock Springs from District of Columbia?

    For a flight from District of Columbia to Rock Springs, you will be flying into Sweetwater County. Rock Springs Sweetwater County (RKS) is just 7.1 mi from the center of the city.

  • How long is the flight from District of Columbia to Rock Springs?

    There are many flights that can get you from District of Columbia to Rock Springs in 16h 55m. Fly via United Airlines to get the fastest option. The distance between District of Columbia and Rock Springs is about 1666 mi.

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

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

  • How can I find direct flights from District of Columbia to Rock Springs?

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

  • Can I find deals for business class flights from District of Columbia to Rock Springs?

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

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for District of Columbia to Rock Springs

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Denver flights
Newark to Denver flights
John F Kennedy Intl to Denver flights
O'Hare Intl to Denver flights
LaGuardia to Denver flights
Hobby to Denver flights
Seattle to Denver flights
Newark to Salt Lake City flights
Baltimore to Denver flights
Boston to Denver flights
Los Angeles to Denver flights
San Francisco to Denver flights
John F Kennedy Intl to Salt Lake City flights
George Bush Intcntl to Denver flights
Minneapolis to Denver flights
Dulles Intl to Denver flights
Los Angeles to Salt Lake City flights
Atlanta to Denver flights
Philadelphia to Denver flights
Dallas/Fort Worth to Salt Lake City flights
Dulles Intl to Salt Lake City flights
Orlando to Denver flights
Detroit to Denver flights
Reagan-National to Denver flights
Tampa to Denver flights
Miami to Denver flights
Boston to Salt Lake City flights
Charlotte to Denver flights
Reagan-National to Salt Lake City flights
Seattle to Salt Lake City flights
Austin to Denver flights
Ontario to Denver flights
LaGuardia to Salt Lake City flights
O'Hare Intl to Salt Lake City flights
San Francisco to Salt Lake City flights
Raleigh to Denver flights
Baltimore to Salt Lake City flights
Philadelphia to Salt Lake City flights
Sky Harbor Intl to Denver flights
Cincinnati to Denver flights
Cleveland to Denver flights
Santa Ana to Denver flights
Atlanta to Salt Lake City flights
Midway to Denver flights
Indianapolis to Denver flights
Cedar Rapids to Denver flights
Fort Lauderdale to Denver flights
Hobby to Salt Lake City flights
San Jose to Denver flights
Madison to Denver flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.