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 DC to RKS?

When flying from District of Columbia to Rock Springs, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 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.

$504+ Flights from District of Columbia to Rock Springs

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Cheap flight deals from District of Columbia to Rock Springs

Round-trip from	$504 (United Airlines)

From District of Columbia to Rock Springs Sweetwater County

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Find 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 July 31, 2025.

Thu 8/146:30 amIAD - RKS

1 stop8h 35mUnited Airlines

Mon 8/185:33 amRKS - IAD

1 stop5h 53mUnited Airlines

Deal found 7/30

$504

Sat 8/24:17 pmDCA - RKS

1 stop7h 56mUnited Airlines

Mon 8/41:48 pmRKS - DCA

2 stops8h 11mUnited Airlines

Deal found 7/29

$1,000

Best flights from District of Columbia to Rock Springs
Discover carefully curated flight deals from District of Columbia to Rock Springs that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 31, 2025.

Thu 8/146:30 amIAD - RKS

1 stop8h 35mUnited Airlines

Mon 8/185:33 amRKS - IAD

1 stop5h 53mUnited Airlines

Deal found 7/30

$504

Last-minute flights from District of Columbia to Rock Springs
Discover last-minute flight deals from District of Columbia to Rock Springs. Data last updated July 31, 2025 and is based on user searches.

Sat 8/24:17 pmDCA - RKS

1 stop7h 56mUnited Airlines

Mon 8/41:48 pmRKS - DCA

2 stops8h 11mUnited Airlines

Deal found 7/29

$1,000

Thu 8/146:30 amIAD - RKS

1 stop8h 35mUnited Airlines

Mon 8/185:33 amRKS - IAD

1 stop5h 53mUnited Airlines

Deal found 7/30

$504

Cheapflights Fare Finder

Use the filters below to find and compare flights from District of Columbia to Rock Springs that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Rock Springs

IAD - RKS

IADRKS

Washington, D.C. Dulles Intl

Thu 8/14

6:30 am-1:05 pm

1 stop8h 35m

Rock Springs Sweetwater County

Mon 8/18

5:33 am-1:26 pm

1 stop5h 53m

$504

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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.

Reviews of airlines servicing Rock Springs

Get a feel of what it's like to fly with United Airlines from District of Columbia to Rock Springs by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,900 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

8,900 reviews

United Airlines

7.4

Good

8,900 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 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.
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

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$504+ 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 8/14. Fares are subject to change and may not be available on all flights or dates of travel.

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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap 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 July 31, 2025.

Round-trip from

Find flight deals from District of Columbia to Rock Springs

Cheapest flights from District of Columbia to Rock SpringsExplore 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 July 31, 2025.

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 July 31, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from District of Columbia to Rock Springs that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from District of Columbia to Rock Springs

Reviews of airlines servicing Rock Springs

Get a feel of what it's like to fly with United Airlines from District of Columbia to Rock Springs by reading reviews from past customers. You can also see how each airline compares 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 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?

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

How can I 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?

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.

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Travel Smart

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 July 31, 2025.