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Washington, D.C.

$347+ Cheap flights from Casper (CPR) to Washington, D.C. (WAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
CPR — WAS
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap flight deals from Casper to Washington, D.C.

Cheapest flights from Casper to Washington, D.C.
Explore the most affordable flight options available from Casper to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.

This United Airlines deal was found by Cheapflights users on 1/21. 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.
Thu 2/53:17 pm
CPR
-
BWI
1 stop5h 58m
United Airlines
Mon 2/94:10 pm
BWI
-
CPR
1 stop8h 04m
United Airlines
Deal found 1/21$348
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Fri 5/297:00 am
CPR
-
BWI
1 stop6h 06m
United Airlines
Mon 6/110:00 am
BWI
-
CPR
1 stop10h 32m
United Airlines
Deal found 1/20$413
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Fri 5/295:30 am
CPR
-
IAD
1 stop5h 57m
United Airlines
Mon 6/15:15 pm
IAD
-
CPR
1 stop6h 57m
United Airlines
Deal found 1/20$413
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Sat 2/75:30 am
CPR
-
DCA
1 stop7h 29m
United Airlines
Tue 2/104:11 pm
DCA
-
CPR
1 stop8h 03m
United Airlines
Deal found 1/19$413
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Fri 5/293:15 pm
CPR
-
IAD
1 stop7h 17m
United Airlines
Sun 5/316:35 am
IAD
-
CPR
1 stop6h 18m
United Airlines
Deal found 1/20$483
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Fri 5/295:30 am
CPR
-
DCA
1 stop7h 26m
United Airlines
Mon 6/16:00 am
DCA
-
CPR
2 stops10h 40m
United Airlines
Deal found 1/20$499
This United Airlines deal was found by Cheapflights users on 1/19. 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 1/2711:28 am
CPR
-
BWI
1 stop9h 47m
United Airlines
Sat 1/314:10 pm
BWI
-
CPR
1 stop6h 30m
United Airlines
Deal found 1/19$528
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Wed 1/287:00 am
CPR
-
IAD
1 stop7h 35m
United Airlines
Sat 1/318:15 am
IAD
-
CPR
1 stop6h 20m
United Airlines
Deal found 1/19$528
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Sat 5/236:01 pm
CPR
-
BWI
1 stop9h 18m
United Airlines
Wed 6/176:05 am
BWI
-
CPR
2 stops18h 07m
United Airlines
Deal found 1/19$532
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Wed 6/105:30 am
CPR
-
IAD
1 stop5h 57m
United Airlines
Sat 6/136:35 am
IAD
-
CPR
1 stop10h 05m
United Airlines
Deal found 1/20$563
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Sat 5/235:30 am
CPR
-
BWI
2 stops13h 27m
United Airlines
Sat 6/2010:00 am
BWI
-
CPR
1 stop10h 32m
United Airlines
Deal found 1/20$604
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Fri 5/296:01 pm
CPR
-
BWI
1 stop9h 18m
United Airlines
Sun 5/3110:00 am
BWI
-
CPR
1 stop10h 32m
United Airlines
Deal found 1/20$634

Find flight deals from Casper to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Casper (CPR) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$348
(United Airlines)

One-way from

$347
(United Airlines)
Provider with most accurate pricing for Casper Natrona County-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Casper Natrona County-Washington, D.C. (WAS) flights.
Search Deals
From Casper Natrona County to Washington, D.C. (WAS)
Search Deals
One-way flight from Casper Natrona County to Washington, D.C. (WAS)
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Casper to Washington, D.C. 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 January 21, 2026.
Use the filters below to find and compare flights from Casper to Washington, D.C. that are best for you.

Fly from

Casper

Fly to

Washington, D.C.

Route

Depart

Return

Price

CasperBaltimore

CPR - BWI

CPRBWI

Casper Natrona County

Thu 2/5

3:17 pm-11:15 pm

1 stop5h 58m

Baltimore/Washington

Mon 2/9

4:10 pm-10:14 pm

1 stop8h 04m

$348

CasperBaltimore

CPR - BWI

CPRBWI

Casper Natrona County

Fri 5/29

7:00 am-3:06 pm

1 stop6h 06m

Baltimore/Washington

Mon 6/1

10:00 am-6:32 pm

1 stop10h 32m

$413

CasperWashington, D.C.

CPR - IAD

CPRIAD

Casper Natrona County

Fri 5/29

5:30 am-1:27 pm

1 stop5h 57m

Washington, D.C. Dulles Intl

Mon 6/1

5:15 pm-10:12 pm

1 stop6h 57m

$413

CasperWashington, D.C.

CPR - DCA

CPRDCA

Casper Natrona County

Sat 2/7

5:30 am-2:59 pm

1 stop7h 29m

Washington, D.C. Reagan-National

Tue 2/10

4:11 pm-10:14 pm

1 stop8h 03m

$413

CasperWashington, D.C.

CPR - IAD

CPRIAD

Casper Natrona County

Fri 5/29

3:15 pm-12:32 am

1 stop7h 17m

Washington, D.C. Dulles Intl

Sun 5/31

6:35 am-10:53 am

1 stop6h 18m

$483

CasperWashington, D.C.

CPR - DCA

CPRDCA

Casper Natrona County

Fri 5/29

5:30 am-2:56 pm

1 stop7h 26m

Washington, D.C. Reagan-National

Mon 6/1

6:00 am-2:40 pm

2 stops10h 40m

$499

CasperBaltimore

CPR - BWI

CPRBWI

Casper Natrona County

Sat 5/23

6:01 pm-5:19 am

1 stop9h 18m

Baltimore/Washington

Wed 6/17

6:05 am-10:12 pm

2 stops18h 07m

$532

CasperWashington, D.C.

CPR - IAD

CPRIAD

Casper Natrona County

Wed 6/10

5:30 am-1:27 pm

1 stop5h 57m

Washington, D.C. Dulles Intl

Sat 6/13

6:35 am-2:40 pm

1 stop10h 05m

$563

CasperBaltimore

CPR - BWI

CPRBWI

Casper Natrona County

Sat 5/23

5:30 am-8:57 pm

2 stops13h 27m

Baltimore/Washington

Sat 6/20

10:00 am-6:32 pm

1 stop10h 32m

$604

CasperBaltimore

CPR - BWI

CPRBWI

Casper Natrona County

Fri 5/29

6:01 pm-5:19 am

1 stop9h 18m

Baltimore/Washington

Sun 5/31

10:00 am-6:32 pm

1 stop10h 32m

$634

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 18 results
1
2
  • Most accurate provider: When it comes to deals on Casper-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Casper-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Casper-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Casper-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Casper-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Casper to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Casper 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 Casper to Washington, D.C.
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 Casper to Washington, D.C.. 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 from for flights from Casper to Washington, D.C.?

    Casper Natrona County (CPR) is the airport you will fly out of if you book a flight from Casper to Washington, D.C.. You should not have trouble finding flights to Washington, D.C. from Natrona County; the airport handles an average of 0 outbound flights to Washington, D.C. per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Casper airport to Washington, D.C.. It is only a 8.1 mi journey to Natrona County (CPR) from Casper’s city center.

  • How long is the flight from Casper to Washington, D.C.?

    Departing from Casper to Washington, D.C. will take you 5h 58m. The distance from Casper to Washington, D.C. is about 1564 mi.

  • What are the most popular routes from Casper to Washington, D.C.?

    The most popular flight routes from Casper to Washington, D.C. are Casper Natrona County - Baltimore/Washington, Casper Natrona County - Washington, D.C. Reagan-National and Casper Natrona County - Washington, D.C. Dulles Intl.

  • Can I find deals for flights from Casper to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Casper to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Casper to Washington, D.C.?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Casper to Washington, D.C..

  • Can I find deals for business class flights from Casper to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Casper to Washington, D.C. 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

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Hanover
Herndon
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Casper to Washington, D.C.

Discover the top airline that operate flights from Casper to Washington, D.C.. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$278Average$473FlexibilityNo cancel feeOn-time69%

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