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Cheap flights from District of Columbia to Rock Springs from $448

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to Rock Springs departing on 6/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap one-way flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:41 pm - 10:05 pm
IAD
-
RKS
6h 24m
1 stop
$448United Airlines
Mon, Jun 22
United Airlines Logo
10:05 pm - 1:31 pm
IAD
-
RKS
17h 26m
2 stops
$547United Airlines
Mon, Jun 22
United Airlines Logo
4:13 pm - 1:31 pm
DCA
-
RKS
23h 18m
1 stop
$556United Airlines
Mon, Jun 22
United Airlines Logo
2:00 pm - 10:05 pm
DCA
-
RKS
34h 05m
2 stops
$603United Airlines
Mon, Jun 22
United Airlines Logo
6:10 pm - 1:31 pm
DCA
-
RKS
21h 21m
3 stops
$974United Airlines
Mon, Jun 22

momondo 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, momondo users made 832,500 searches. Data last updated June 3, 2026.
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

Cheapest one-way
Quickest one-way

Washington, D.C.Rock Springs

IAD - RKS

IADRKS

Washington, D.C. Dulles Intl

Mon 6/22

5:41 pm-10:05 pm

1 stop6h 24m

$448

Washington, D.C.Rock Springs

IAD - RKS

IADRKS

Washington, D.C. Dulles Intl

Mon 6/22

10:05 pm-1:31 pm

2 stops17h 26m

$547

Washington, D.C.Rock Springs

DCA - RKS

DCARKS

Washington, D.C. Reagan-National

Mon 6/22

4:13 pm-1:31 pm

1 stop23h 18m

$556

Washington, D.C.Rock Springs

DCA - RKS

DCARKS

Washington, D.C. Reagan-National

Mon 6/22

2:00 pm-10:05 pm

2 stops34h 05m

$603

Washington, D.C.Rock Springs

DCA - RKS

DCARKS

Washington, D.C. Reagan-National

Mon 6/22

6:10 pm-1:31 pm

3 stops21h 21m

$974

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from District of Columbia to Rock Springs

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from District of Columbia to Rock Springs Sweetwater County?

United Airlines is the most popular carrier operating from District of Columbia to Rock Springs Sweetwater County

Cheap District of Columbia to Rock Springs flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to Rock Springs

Fastest flight time

6h 46m

Direct flights

None
The fastest flight from District of Columbia to Rock Springs takes 6h 46m
There are no direct flights from District of Columbia to Rock Springs. There are no popular flight routes from District of Columbia to Rock Springs.
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Frequently asked questions about flying from District of Columbia to Rock Springs

  • When did momondo last update prices for flights from District of Columbia to Rock Springs Sweetwater County Airport?

    Prices for flights from District of Columbia to Rock Springs Sweetwater County Airport refresh daily.

  • How old do you have to be to fly from District of Columbia to Rock Springs Sweetwater County Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from District of Columbia to Rock Springs Sweetwater County Airport.

  • What documentation or ID do you need to fly to Rock Springs Sweetwater County Airport?

    The travel and health documents you'll need for your trip to Rock Springs Sweetwater County Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Rock Springs Sweetwater County Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Rock Springs?

Book flights to Rock Springs if you plan to visit one of these locations
Green River

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to Rock Springs?

It is quick and easy to find District of Columbia to Rock Springs flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Rock Springs that suits you.

Can I find flights from District of Columbia to Rock Springs with flexible booking policies on momondo?

All flight searches from District of Columbia to Rock Springs on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from District of Columbia to Rock Springs?

Once all potential District of Columbia to Rock Springs flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from District of Columbia to Rock Springs right now. Can momondo alert me if prices change?

If you are not ready to book a flight from District of Columbia to Rock Springs now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Rock Springs and let you know when they change.

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Fri 7/3
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