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Washington, D.C.

$348+ 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
CPR — WAS
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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Cheap 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 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$348
(United Airlines)
Provider with most accurate pricing for Casper Natrona County-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Casper Natrona County-Washington, D.C. (WAS) flights.
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From Casper Natrona County to Washington, D.C. (WAS)
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Find 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 8, 2026.

This United Airlines deal was found by Cheapflights users on 1/7. 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 1/215:30 amCPR - BWI
1 stop7h 34mUnited Airlines
Sat 1/244:10 pmBWI - CPR
1 stop8h 04mUnited Airlines
Deal found 1/7$348
This United Airlines deal was found by Cheapflights users on 1/7. 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 1/229:00 amCPR - BWI
2 stops10h 21mUnited Airlines
Mon 1/2610:05 amBWI - CPR
2 stops11h 01mUnited Airlines
Deal found 1/7$383
This United Airlines deal was found by Cheapflights users on 1/7. 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.
Mon 4/205:55 pmCPR - DCA
2 stops15h 04mUnited Airlines
Sat 4/256:00 amDCA - CPR
2 stops13h 02mUnited Airlines
Deal found 1/7$458
This United Airlines deal was found by Cheapflights users on 1/6. 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 1/175:30 amCPR - DCA
1 stop7h 29mUnited Airlines
Tue 1/204:11 pmDCA - CPR
1 stop8h 03mUnited Airlines
Deal found 1/6$483
This United Airlines deal was found by Cheapflights users on 1/6. 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 6/101:25 pmCPR - BWI
1 stop7h 35mUnited Airlines
Sat 6/1310:00 amBWI - CPR
1 stop9h 04mUnited Airlines
Deal found 1/6$508
This United Airlines deal was found by Cheapflights users on 1/6. 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 6/101:25 pmCPR - IAD
1 stop7h 48mUnited Airlines
Sat 6/135:15 pmIAD - CPR
1 stop6h 57mUnited Airlines
Deal found 1/6$508
This United Airlines deal was found by Cheapflights users on 1/6. 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 6/95:30 amCPR - BWI
2 stops9h 43mUnited Airlines
Sat 6/1310:00 amBWI - CPR
1 stop9h 04mUnited Airlines
Deal found 1/6$514
This United Airlines deal was found by Cheapflights users on 1/6. 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 6/96:01 pmCPR - IAD
1 stop9h 07mUnited Airlines
Sun 6/146:35 amIAD - CPR
1 stop10h 05mUnited Airlines
Deal found 1/6$518
This United Airlines deal was found by Cheapflights users on 1/6. 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 1/1311:28 amCPR - BWI
1 stop9h 47mUnited Airlines
Sat 1/174:10 pmBWI - CPR
1 stop8h 04mUnited Airlines
Deal found 1/6$528
This United Airlines deal was found by Cheapflights users on 1/7. 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 1/141:16 pmCPR - IAD
1 stop5h 55mUnited Airlines
Sat 1/175:15 pmIAD - CPR
1 stop6h 59mUnited Airlines
Deal found 1/7$528
This United Airlines deal was found by Cheapflights users on 1/6. 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 6/109:10 amCPR - IAD
1 stop10h 00mUnited Airlines
Sun 6/146:35 amIAD - CPR
1 stop10h 05mUnited Airlines
Deal found 1/6$563
This United Airlines deal was found by Cheapflights users on 1/6. 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 6/96:01 pmCPR - IAD
1 stop9h 07mUnited Airlines
Sat 6/136:35 amIAD - CPR
1 stop12h 29mUnited Airlines
Deal found 1/6$585

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 8, 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

Wed 1/21

3:17 pm-11:15 pm

1 stop5h 58m

Baltimore/Washington

Sat 1/24

4:10 pm-10:14 pm

1 stop8h 04m

$348

CasperBaltimore

CPR - BWI

CPRBWI

Casper Natrona County

Thu 1/22

1:16 pm-11:15 pm

1 stop7h 59m

Baltimore/Washington

Mon 1/26

10:05 am-7:06 pm

2 stops11h 01m

$354

CasperWashington, D.C.

CPR - DCA

CPRDCA

Casper Natrona County

Mon 4/20

5:55 pm-10:59 am

2 stops15h 04m

Washington, D.C. Reagan-National

Sat 4/25

6:00 am-5:02 pm

2 stops13h 02m

$458

CasperBaltimore

CPR - BWI

CPRBWI

Casper Natrona County

Wed 6/10

1:25 pm-11:00 pm

1 stop7h 35m

Baltimore/Washington

Sat 6/13

10:00 am-5:04 pm

1 stop9h 04m

$508

CasperWashington, D.C.

CPR - IAD

CPRIAD

Casper Natrona County

Wed 6/10

1:25 pm-11:13 pm

1 stop7h 48m

Washington, D.C. Dulles Intl

Sat 6/13

5:15 pm-10:12 pm

1 stop6h 57m

$508

CasperBaltimore

CPR - BWI

CPRBWI

Casper Natrona County

Tue 6/9

5:30 am-5:13 pm

2 stops9h 43m

Baltimore/Washington

Sat 6/13

10:00 am-5:04 pm

1 stop9h 04m

$514

CasperWashington, D.C.

CPR - IAD

CPRIAD

Casper Natrona County

Tue 6/9

6:01 pm-5:08 am

1 stop9h 07m

Washington, D.C. Dulles Intl

Sun 6/14

6:35 am-2:40 pm

1 stop10h 05m

$518

CasperWashington, D.C.

CPR - IAD

CPRIAD

Casper Natrona County

Wed 6/10

9:10 am-9:10 pm

1 stop10h 00m

Washington, D.C. Dulles Intl

Sun 6/14

6:35 am-2:40 pm

1 stop10h 05m

$563

CasperWashington, D.C.

CPR - IAD

CPRIAD

Casper Natrona County

Tue 6/9

6:01 pm-5:08 am

1 stop9h 07m

Washington, D.C. Dulles Intl

Sat 6/13

6:35 am-5:04 pm

1 stop12h 29m

$585

CasperBaltimore

CPR - BWI

CPRBWI

Casper Natrona County

Tue 6/9

6:01 pm-5:19 am

1 stop9h 18m

Baltimore/Washington

Sun 6/14

10:00 am-6:32 pm

1 stop10h 32m

$638

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Showing 1-10 of 17 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 January.
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. Dulles Intl, Casper Natrona County - Baltimore/Washington and Casper Natrona County - Washington, D.C. Reagan-National.

  • 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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