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Cheap flights from Washington, D.C. to Casper from $348

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Casper departing on 2/17. 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
0 bags

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Find the cheapest flights from Washington, D.C. to Casper

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:09 pm - 10:09 pm
BWI
-
CPR
8h 00m
1 stop
United Airlines Logo
3:15 pm - 11:25 pm
CPR
-
BWI
6h 10m
1 stop
$348United Airlines
Tue, Feb 17 - Sat, Feb 21
United Airlines Logo
10:30 am - 7:02 pm
BWI
-
CPR
10h 32m
2 stops
United Airlines Logo
1:20 pm - 11:25 pm
CPR
-
BWI
8h 05m
1 stop
$354United Airlines
Tue, Feb 17 - Sat, Feb 21
United Airlines Logo
2:18 pm - 8:36 pm
IAD
-
CPR
8h 18m
1 stop
United Airlines Logo
5:55 pm - 5:17 am
CPR
-
IAD
9h 22m
1 stop
$388United Airlines
Thu, Mar 5 - Mon, Mar 9
United Airlines Logo
4:18 pm - 10:07 pm
BWI
-
CPR
7h 49m
1 stop
United Airlines Logo
1:21 pm - 11:24 pm
CPR
-
BWI
8h 03m
1 stop
$403United Airlines
Fri, Apr 17 - Mon, Apr 20
United Airlines Logo
10:30 am - 7:02 pm
BWI
-
CPR
10h 32m
2 stops
United Airlines Logo
9:00 am - 9:17 pm
CPR
-
BWI
10h 17m
2 stops
$404United Airlines
Tue, Feb 17 - Sat, Feb 21
United Airlines Logo
4:03 pm - 8:36 pm
BWI
-
CPR
6h 33m
1 stop
United Airlines Logo
3:15 pm - 11:12 pm
CPR
-
BWI
5h 57m
1 stop
$430United Airlines
Thu, Mar 5 - Mon, Mar 9
United Airlines Logo
9:50 am - 7:02 pm
IAD
-
CPR
11h 12m
1 stop
United Airlines Logo
1:20 pm - 11:18 pm
CPR
-
IAD
7h 58m
1 stop
$438United Airlines
Tue, Feb 17 - Sat, Feb 21
United Airlines Logo
6:00 am - 2:40 pm
DCA
-
CPR
10h 40m
2 stops
United Airlines Logo
7:10 am - 2:59 pm
CPR
-
DCA
5h 49m
1 stop
$454United Airlines
Tue, Feb 17 - Sat, Feb 21
United Airlines Logo
6:30 am - 2:39 pm
IAD
-
CPR
10h 09m
1 stop
United Airlines Logo
8:45 am - 6:02 pm
CPR
-
IAD
7h 17m
1 stop
$458United Airlines
Sat, Jun 27 - Wed, Jul 1
United Airlines Logo
8:00 am - 12:46 pm
BWI
-
CPR
6h 46m
1 stop
United Airlines Logo
5:25 am - 4:24 pm
CPR
-
BWI
8h 59m
2 stops
$464United Airlines
Fri, Apr 17 - Mon, Apr 20

United Airlines flights from Washington, D.C. to Casper

Our best United Airlines deals on Washington, D.C. to Casper flight tickets
United Airlines
Feb 17
BWI4:09 pmBaltimore/Washington
8h 00m
1 stop
CPR10:09 pmCasper Natrona County
Feb 21
CPR3:15 pmCasper Natrona County
6h 10m
1 stop
BWI11:25 pmBaltimore/Washington
$348
United Airlines
Feb 17
BWI10:30 amBaltimore/Washington
10h 32m
2 stops
CPR7:02 pmCasper Natrona County
Feb 21
CPR1:20 pmCasper Natrona County
8h 05m
1 stop
BWI11:25 pmBaltimore/Washington
$354
United Airlines
Mar 5
IAD2:18 pmWashington, D.C. Dulles Intl
8h 18m
1 stop
CPR8:36 pmCasper Natrona County
Mar 9
CPR5:55 pmCasper Natrona County
9h 22m
1 stop
IAD5:17 amWashington, D.C. Dulles Intl
$388

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Casper 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 February 3, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Casper that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreCasper

BWI - CPR

BWICPR

Baltimore/Washington

Tue 2/17

4:09 pm-10:09 pm

1 stop8h 00m

Casper Natrona County

Sat 2/21

3:15 pm-11:25 pm

1 stop6h 10m

$348

BaltimoreCasper

BWI - CPR

BWICPR

Baltimore/Washington

Tue 2/17

10:30 am-7:02 pm

2 stops10h 32m

Casper Natrona County

Sat 2/21

1:20 pm-11:25 pm

1 stop8h 05m

$354

Washington, D.C.Casper

IAD - CPR

IADCPR

Washington, D.C. Dulles Intl

Thu 3/5

2:18 pm-8:36 pm

1 stop8h 18m

Casper Natrona County

Mon 3/9

5:55 pm-5:17 am

1 stop9h 22m

$388

BaltimoreCasper

BWI - CPR

BWICPR

Baltimore/Washington

Fri 4/17

4:18 pm-10:07 pm

1 stop7h 49m

Casper Natrona County

Mon 4/20

1:21 pm-11:24 pm

1 stop8h 03m

$403

BaltimoreCasper

BWI - CPR

BWICPR

Baltimore/Washington

Tue 2/17

10:30 am-7:02 pm

2 stops10h 32m

Casper Natrona County

Sat 2/21

9:00 am-9:17 pm

2 stops10h 17m

$404

BaltimoreCasper

BWI - CPR

BWICPR

Baltimore/Washington

Thu 3/5

4:03 pm-8:36 pm

1 stop6h 33m

Casper Natrona County

Mon 3/9

3:15 pm-11:12 pm

1 stop5h 57m

$430

Washington, D.C.Casper

IAD - CPR

IADCPR

Washington, D.C. Dulles Intl

Tue 2/17

9:50 am-7:02 pm

1 stop11h 12m

Casper Natrona County

Sat 2/21

1:20 pm-11:18 pm

1 stop7h 58m

$438

Washington, D.C.Casper

DCA - CPR

DCACPR

Washington, D.C. Reagan-National

Tue 2/17

6:00 am-2:40 pm

2 stops10h 40m

Casper Natrona County

Sat 2/21

7:10 am-2:59 pm

1 stop5h 49m

$454

Washington, D.C.Casper

IAD - CPR

IADCPR

Washington, D.C. Dulles Intl

Sat 6/27

6:30 am-2:39 pm

1 stop10h 09m

Casper Natrona County

Wed 7/1

8:45 am-6:02 pm

1 stop7h 17m

$458

BaltimoreCasper

BWI - CPR

BWICPR

Baltimore/Washington

Fri 4/17

8:00 am-12:46 pm

1 stop6h 46m

Casper Natrona County

Mon 4/20

5:25 am-4:24 pm

2 stops8h 59m

$464

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Casper from

How to get the cheapest flight ticket from Washington, D.C. to Casper

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

How long does it take to fly to Casper?

The flight from Washington, D.C. to Casper depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Washington, D.C. (a popular airport in Washington, D.C.) to Casper (the most popular airport in Casper), then the flight time is 6h 37m on average. If you fly from Baltimore (another popular airport in Washington, D.C.) to Casper, then the average flight time is 8h.

When to book flights from Washington, D.C. to Casper

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Casper according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. to Casper (WAS to CPR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Casper

Fastest flight time

6h 15m

Direct flights

None
The fastest flight from Washington, D.C. to Casper takes 6h 15m
There are no direct flights from Washington, D.C. to Casper. There are no popular flight routes from Washington, D.C. to Casper.
Search flight deals

  • How far is Washington, D.C. to Casper Natrona County by plane?

    A flight from Washington, D.C. to Casper Natrona County will travel around 1545.1 mi. In terms of flight time, this usually takes a little over 6h 15m.

  • When did momondo last update prices for flights from Washington, D.C. to Casper Natrona County Airport?

    Prices for flights from Washington, D.C. to Casper Natrona County Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. to Casper Natrona County Airport?

  • How old do you have to be to fly from Washington, D.C. to Casper Natrona County Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Casper Natrona County Airport.

  • What documentation or ID do you need to fly to Casper Natrona County Airport?

    The necessary travel and health documents for your Casper Natrona County Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Washington, D.C. to Casper?

Best airlines flying from Washington, D.C. to Casper

Compare and see reviews for airlines that fly from Washington, D.C. to Casper with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $298Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights

Traveling to a place near Casper?

Book flights to Casper if you plan to visit one of these locations
Rawlins
Evansville
Douglas

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Casper?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Casper for you.

Can I find flights from Washington, D.C. to Casper with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Casper flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Casper?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Casper from Washington, D.C..

I’m not ready to book a flight from Washington, D.C. to Casper right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington, D.C. to Casper flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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