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Washington, D.C.

$298+ Cheap flights from Casper (CPR) to Washington, D.C. (WAS)

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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
CPR — WAS
Jan 16 — Jan 231
Fri 1/16
Fri 1/23
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 December 17, 2025.

This United Airlines deal was found by Cheapflights users on 12/15. 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 12/3111:26 amCPR - IAD
1 stop9h 57mUnited Airlines
Sun 1/46:20 amIAD - CPR
1 stop8h 26mUnited Airlines
Deal found 12/15$438
This United Airlines deal was found by Cheapflights users on 12/15. 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 12/313:19 pmCPR - BWI
1 stop5h 57mUnited Airlines
Sun 1/49:55 amBWI - CPR
1 stop11h 06mUnited Airlines
Deal found 12/15$589
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/231:22 pmCPR - BWI
1 stop7h 54mUnited Airlines
Mon 12/2910:44 amBWI - CPR
2 stops13h 41mUnited Airlines
Deal found 12/16$694
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Sun 12/283:19 pmCPR - BWI
1 stop5h 57mUnited Airlines
Tue 12/309:55 amBWI - CPR
1 stop9h 04mUnited Airlines
Deal found 12/17$1,096
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Sun 12/289:05 amCPR - IAD
1 stop7h 45mUnited Airlines
Tue 12/302:24 pmIAD - CPR
1 stop8h 17mUnited Airlines
Deal found 12/17$1,096
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Sun 12/285:30 amCPR - DCA
1 stop7h 29mUnited Airlines
Tue 12/304:17 pmDCA - CPR
1 stop6h 24mUnited Airlines
Deal found 12/17$1,096
This United Airlines deal was found by Cheapflights users on 12/15. 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 12/315:30 amCPR - DCA
1 stop7h 29mUnited Airlines
Sun 1/44:17 pmDCA - CPR
1 stop6h 24mUnited Airlines
Deal found 12/15$1,362

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 December 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$298
(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)
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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 December 17, 2025.
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

Tue 1/13

5:30 am-3:04 pm

1 stop7h 34m

Baltimore/Washington

Wed 1/21

8:23 am-12:35 pm

1 stop6h 12m

$298

CasperWashington, D.C.

CPR - IAD

CPRIAD

Casper Natrona County

Tue 1/13

3:17 pm-11:22 pm

1 stop6h 05m

Washington, D.C. Dulles Intl

Wed 1/21

2:24 pm-8:40 pm

1 stop8h 16m

$298

CasperWashington, D.C.

CPR - IAD

CPRIAD

Casper Natrona County

Mon 3/2

3:15 pm-11:19 pm

1 stop6h 04m

Washington, D.C. Dulles Intl

Tue 3/10

9:47 am-5:02 pm

1 stop9h 15m

$341

CasperBaltimore

CPR - BWI

CPRBWI

Casper Natrona County

Fri 1/30

1:16 pm-11:15 pm

1 stop7h 59m

Baltimore/Washington

Tue 2/3

4:10 pm-8:40 pm

1 stop6h 30m

$388

CasperBaltimore

CPR - BWI

CPRBWI

Casper Natrona County

Wed 1/14

7:00 am-3:04 pm

1 stop6h 04m

Baltimore/Washington

Sun 1/18

8:23 am-4:54 pm

1 stop10h 31m

$388

CasperWashington, D.C.

CPR - DCA

CPRDCA

Casper Natrona County

Mon 3/2

7:10 am-8:56 pm

2 stops11h 46m

Washington, D.C. Reagan-National

Tue 3/10

4:11 pm-8:36 pm

1 stop6h 25m

$409

CasperWashington, D.C.

CPR - IAD

CPRIAD

Casper Natrona County

Sun 1/4

6:10 pm-5:19 am

1 stop9h 09m

Washington, D.C. Dulles Intl

Sun 1/11

2:24 pm-7:06 pm

1 stop6h 42m

$413

CasperBaltimore

CPR - BWI

CPRBWI

Casper Natrona County

Thu 1/1

6:10 pm-6:20 am

1 stop10h 10m

Baltimore/Washington

Mon 1/5

8:15 am-4:59 pm

1 stop10h 44m

$438

CasperWashington, D.C.

CPR - IAD

CPRIAD

Casper Natrona County

Wed 12/31

11:26 am-11:23 pm

1 stop9h 57m

Washington, D.C. Dulles Intl

Sun 1/4

6:20 am-12:46 pm

1 stop8h 26m

$438

CasperWashington, D.C.

CPR - DCA

CPRDCA

Casper Natrona County

Wed 4/29

5:25 am-3:08 pm

1 stop7h 43m

Washington, D.C. Reagan-National

Sat 5/2

1:00 pm-10:12 pm

2 stops11h 12m

$499

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 14 results
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Compare providers for flights from Casper to Washington, D.C.

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Casper to Washington, D.C. in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Casper-Washington, D.C. flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Casper-Washington, D.C. flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 0 airlines have 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 7h 34m. 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 - Washington, D.C. Reagan-National, Casper Natrona County - Baltimore/Washington 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

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