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$278+ Cheap flights from Washington, D.C. (WAS) to Casper (CPR)

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 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — CPR
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Find flight deals from Washington, D.C. to Casper

Cheapest flights from Washington, D.C. to Casper
Explore the most affordable flight options available from Washington, D.C. to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This United Airlines deal was found by Cheapflights users on 10/28. 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 11/243:59 pmIAD - CPR
1 stop6h 18mUnited Airlines
Sun 11/308:55 pmCPR - IAD
1 stop7h 22mUnited Airlines
Deal found 10/28$278
This United Airlines deal was found by Cheapflights users on 10/26. 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 12/610:20 amBWI - CPR
2 stops10h 16mUnited Airlines
Fri 12/123:17 pmCPR - BWI
1 stop5h 43mUnited Airlines
Deal found 10/26$284
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/113:59 pmIAD - CPR
1 stop6h 18mUnited Airlines
Sat 11/151:25 pmCPR - IAD
1 stop5h 56mUnited Airlines
Deal found 10/26$328
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/122:25 pmIAD - CPR
1 stop6h 52mUnited Airlines
Sun 11/163:18 pmCPR - IAD
1 stop5h 57mUnited Airlines
Deal found 10/28$348
This United Airlines deal was found by Cheapflights users on 10/28. 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 12/1712:45 pmIAD - CPR
1 stop9h 48mUnited Airlines
Thu 12/255:30 amCPR - IAD
1 stop5h 46mUnited Airlines
Deal found 10/28$368
This United Airlines deal was found by Cheapflights users on 10/28. 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 12/1710:20 amBWI - CPR
2 stops10h 16mUnited Airlines
Wed 12/243:19 pmCPR - BWI
1 stop5h 57mUnited Airlines
Deal found 10/28$374
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/124:17 pmDCA - CPR
1 stop6h 00mUnited Airlines
Sun 11/165:30 amCPR - DCA
1 stop7h 25mUnited Airlines
Deal found 10/28$383
This United Airlines deal was found by Cheapflights users on 10/28. 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 12/174:15 pmBWI - CPR
1 stop6h 18mUnited Airlines
Thu 12/253:19 pmCPR - BWI
1 stop5h 57mUnited Airlines
Deal found 10/28$403
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/244:20 pmBWI - CPR
1 stop5h 57mUnited Airlines
Sun 11/308:55 pmCPR - BWI
1 stop6h 18mUnited Airlines
Deal found 10/28$428
This United Airlines deal was found by Cheapflights users on 10/28. 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 12/189:55 amBWI - CPR
1 stop11h 06mUnited Airlines
Wed 12/243:19 pmCPR - BWI
1 stop5h 57mUnited Airlines
Deal found 10/28$448
This United Airlines deal was found by Cheapflights users on 10/28. 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 12/186:20 amIAD - CPR
1 stop10h 20mUnited Airlines
Thu 12/253:19 pmCPR - IAD
1 stop6h 04mUnited Airlines
Deal found 10/28$448
This United Airlines deal was found by Cheapflights users on 10/28. 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 12/1710:20 amBWI - CPR
2 stops10h 16mUnited Airlines
Fri 12/266:10 pmCPR - BWI
1 stop10h 10mUnited Airlines
Deal found 10/28$454

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

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Casper (CPR). 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 October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$278
(United Airlines)
Provider with most accurate pricing for Washington, D.C. (WAS)-Casper Natrona County flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Casper Natrona County flights.
Search Deals
From Washington, D.C. (WAS) to Casper Natrona County
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated October 29, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Casper that are best for you.

Fly from

Washington, D.C.

Fly to

Casper

Route

Depart

Return

Price

Washington, D.C.Casper

IAD - CPR

IADCPR

Washington, D.C. Dulles Intl

Mon 11/24

3:59 pm-8:17 pm

1 stop6h 18m

Casper Natrona County

Sun 11/30

8:55 pm-6:17 am

1 stop7h 22m

$278

BaltimoreCasper

BWI - CPR

BWICPR

Baltimore/Washington

Sat 12/6

10:20 am-6:36 pm

2 stops10h 16m

Casper Natrona County

Fri 12/12

3:17 pm-11:00 pm

1 stop5h 43m

$284

Washington, D.C.Casper

IAD - CPR

IADCPR

Washington, D.C. Dulles Intl

Tue 11/11

3:59 pm-8:17 pm

1 stop6h 18m

Casper Natrona County

Sat 11/15

1:25 pm-9:21 pm

1 stop5h 56m

$328

Washington, D.C.Casper

IAD - CPR

IADCPR

Washington, D.C. Dulles Intl

Wed 11/12

2:25 pm-7:17 pm

1 stop6h 52m

Casper Natrona County

Sun 11/16

3:18 pm-11:15 pm

1 stop5h 57m

$348

Washington, D.C.Casper

IAD - CPR

IADCPR

Washington, D.C. Dulles Intl

Sat 2/28

2:12 pm-8:26 pm

1 stop8h 14m

Casper Natrona County

Tue 3/3

1:20 pm-11:19 pm

1 stop7h 59m

$368

Washington, D.C.Casper

IAD - CPR

IADCPR

Washington, D.C. Dulles Intl

Wed 12/17

4:00 pm-8:33 pm

1 stop6h 33m

Casper Natrona County

Wed 12/24

6:10 pm-5:19 am

1 stop9h 09m

$368

BaltimoreCasper

BWI - CPR

BWICPR

Baltimore/Washington

Wed 12/17

1:10 pm-10:14 pm

2 stops11h 04m

Casper Natrona County

Thu 12/25

3:19 pm-11:16 pm

1 stop5h 57m

$374

BaltimoreCasper

BWI - CPR

BWICPR

Baltimore/Washington

Wed 12/17

10:20 am-6:36 pm

2 stops10h 16m

Casper Natrona County

Wed 12/24

3:19 pm-11:16 pm

1 stop5h 57m

$374

Washington, D.C.Casper

DCA - CPR

DCACPR

Washington, D.C. Reagan-National

Wed 11/12

4:17 pm-8:17 pm

1 stop6h 00m

Casper Natrona County

Sun 11/16

5:30 am-2:55 pm

1 stop7h 25m

$383

BaltimoreCasper

BWI - CPR

BWICPR

Baltimore/Washington

Mon 11/24

4:20 pm-8:17 pm

1 stop5h 57m

Casper Natrona County

Sun 11/30

8:55 pm-5:13 am

1 stop6h 18m

$428

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 21 results
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Compare providers for flights from Washington, D.C. to Casper

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 Washington, D.C. to Casper in October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 Washington, D.C.-Casper flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C.-Casper flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Casper flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Casper 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 Washington, D.C.-Casper 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 Washington, D.C. to Casper

Have a flexible travel schedule? Discover the best time to fly to Casper from Washington, D.C. 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 Washington, D.C. to Casper
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Casper

Get insights into the airlines that provide service to Casper. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Casper. Reviews last updated October 29, 2025.
Get a feel of what it's like to fly with United Airlines from Washington, D.C. to Casper by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,999 reviews

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,999 reviews
United Airlines
7.4
Good
8,999 reviews

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Casper. 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 into for flights to Casper from Washington, D.C.?

    If you book a flight to Casper from Washington, D.C., you will be flying to Natrona County, which is the city’s only airport. Casper Natrona County (CPR) is located 8.1 mi from the center of Casper. There are 0 flights from Washington, D.C. to Natrona County per day from 1 airline.

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

    For as low as $278, United Airlines can have you in Casper from Washington, D.C. in 6h 18m. Airlines will cover a distance of 1530 mi.

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

    Most travelers choose Baltimore/Washington - Casper Natrona County, Washington, D.C. Reagan-National - Casper Natrona County or Washington, D.C. Dulles Intl - Casper Natrona County when deciding on the best route from Washington, D.C. to Casper.

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

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

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

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

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

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

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

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

Discover the top airline that operate flights from Washington, D.C. to Casper. 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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$278Average$434FlexibilityNo cancel feeOn-time69%

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