In terms of precipitation, rainfall in Rock Springs ranges from 0.5 - 1.2 inches per month. May is typically the wettest month, when rainfall can reach 1.2 in. January is typically the driest time to visit Rock Springs when rainfall is around 0.5 in.

If weather is an important factor for your trip to Rock Springs, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

What is the cheapest time of day to fly from DCA to RKS?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to Rock Springs as you normally would.

What airport do you fly into for flights to Rock Springs from Washington, D.C. Reagan-National?

For a flight from Washington, D.C. Reagan-National 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. Sweetwater County is the only Rock Springs airport and it handles 0 inbound flights from Washington, D.C. Reagan-National per day. 0 airlines have flights to Rock Springs Sweetwater County from Washington, D.C. Reagan-National on a regular basis.

Can I find deals for flights from Reagan-National to Rock Springs that include hotel bookings?

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

How can I find direct flights from Reagan-National to Rock Springs?

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

Can I find deals for business class flights from Reagan-National to Rock Springs?

Yes. Cheapflights offers flight deals from Reagan-National 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.

$582+ Flights from Washington, D.C. Reagan-National Airport to Rock Springs

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Cheap flight deals from Reagan-National to Rock Springs

Round-trip from	$582 (United Airlines)

From Washington, D.C. Reagan-National to Rock Springs Sweetwater County

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Cheapest flights from Reagan-National to Rock Springs
Explore the most affordable flight options available from Reagan-National to Rock Springs. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Mon 8/254:24 pmDCA - RKS

1 stop7h 47mUnited Airlines

Mon 9/15:45 amRKS - DCA

1 stop7h 21mUnited Airlines

Deal found 7/28

$582

Best flights from Reagan-National to Rock Springs
Discover carefully curated flight deals from Reagan-National to Rock Springs that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2025.

Mon 8/254:24 pmDCA - RKS

1 stop7h 47mUnited Airlines

Mon 9/15:45 amRKS - DCA

1 stop7h 21mUnited Airlines

Deal found 7/28

$582

Last-minute flights from Reagan-National to Rock Springs
Discover last-minute flight deals from Reagan-National to Rock Springs. Data last updated July 29, 2025 and is based on user searches.

Mon 8/254:24 pmDCA - RKS

1 stop7h 47mUnited Airlines

Mon 9/15:45 amRKS - DCA

1 stop7h 21mUnited Airlines

Deal found 7/28

$582

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Rock Springs that are best for you.

Fly from

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Route

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Price

Washington, D.C.Rock Springs

DCA - RKS

DCARKS

Washington, D.C. Reagan-National

Mon 8/25

4:24 pm-10:11 pm

1 stop7h 47m

Rock Springs Sweetwater County

Mon 9/1

5:45 am-3:06 pm

1 stop7h 21m

$582

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Deals found on 7/28

Best time to book a flight from Reagan-National to Rock Springs

Have a flexible travel schedule? Discover the best time to fly to Rock Springs from Reagan-National 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.

Reviews of airlines servicing Rock Springs

Read reviews from past customers who have flown United Airlines from Washington, D.C. Reagan-National Airport to Rock Springs. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,899 reviews

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

8,899 reviews

United Airlines

7.4

Good

8,899 reviews

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

What airport do you fly into for flights to Rock Springs from Washington, D.C. Reagan-National?
For a flight from Washington, D.C. Reagan-National 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. Sweetwater County is the only Rock Springs airport and it handles 0 inbound flights from Washington, D.C. Reagan-National per day. 0 airlines have flights to Rock Springs Sweetwater County from Washington, D.C. Reagan-National on a regular basis.
Can I find deals for flights from Reagan-National to Rock Springs that include hotel bookings?
Yes. In addition to deals on Reagan-National to Rock Springs flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Reagan-National to Rock Springs?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Rock Springs.
Can I find deals for business class flights from Reagan-National to Rock Springs?
Yes. Cheapflights offers flight deals from Reagan-National 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.

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$582+ Cheap flights from Reagan-National (DCA) 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Reagan-National to Rock Springs with Cheapflights

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Cheap flight deals from Reagan-National to Rock Springs

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Find flight deals from Reagan-National to Rock Springs

Cheapest flights from Reagan-National to Rock SpringsExplore the most affordable flight options available from Reagan-National to Rock Springs. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Explore the most affordable flight options available from Reagan-National to Rock Springs. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Rock Springs that are best for you.

Best time to book a flight from Reagan-National to Rock Springs

Have a flexible travel schedule? Discover the best time to fly to Rock Springs from Reagan-National with our price prediction graph.

Reviews of airlines servicing Rock Springs

Read reviews from past customers who have flown United Airlines from Washington, D.C. Reagan-National Airport to Rock Springs. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National 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 Washington, D.C. Reagan-National?

Can I find deals for flights from Reagan-National to Rock Springs that include hotel bookings?

How can I find direct flights from Reagan-National to Rock Springs?

Can I find deals for business class flights from Reagan-National to Rock Springs?

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Cheapest flights from Reagan-National to Rock Springs
Explore the most affordable flight options available from Reagan-National to Rock Springs. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.