HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Casper

$313+ Cheap flights from Washington, D.C. (WAS) to Casper (CPR)

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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — CPR
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington, D.C. to Casper with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 September 11, 2025.

Round-trip from

$368
(United Airlines)

One-way from

$313
(United Airlines)
From Washington, D.C. (WAS) to Casper Natrona County
Search Deals
One-way flight from Washington, D.C. (WAS) to Casper Natrona County
Search Deals

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 September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/10. 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 12/104:15 pmBWI - CPR
1 stop8h 00mUnited Airlines
Sat 12/133:17 pmCPR - BWI
1 stop5h 43mUnited Airlines
Deal found 9/10$368
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/244:20 pmBWI - CPR
1 stop6h 00mUnited Airlines
Sun 9/285:30 amCPR - BWI
1 stop7h 42mUnited Airlines
Deal found 9/9$387
This United Airlines deal was found by Cheapflights users on 9/10. 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 9/2410:10 amBWI - CPR
1 stop8h 42mUnited Airlines
Sat 9/273:12 pmCPR - BWI
1 stop6h 06mUnited Airlines
Deal found 9/10$418
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/2010:25 amIAD - CPR
1 stop10h 44mUnited Airlines
Tue 9/239:10 amCPR - IAD
1 stop8h 03mUnited Airlines
Deal found 9/9$458
This United Airlines deal was found by Cheapflights users on 9/11. 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 9/1912:35 pmIAD - CPR
1 stop9h 46mUnited Airlines
Mon 9/225:50 pmCPR - IAD
1 stop9h 32mUnited Airlines
Deal found 9/11$498
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/2412:35 pmIAD - CPR
1 stop6h 17mUnited Airlines
Sun 9/2811:22 amCPR - IAD
2 stops18h 13mUnited Airlines
Deal found 9/9$508
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/912:46 pmIAD - CPR
1 stop9h 31mUnited Airlines
Sun 10/126:00 pmCPR - IAD
1 stop9h 22mUnited Airlines
Deal found 9/9$639
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/910:10 amBWI - CPR
1 stop10h 37mUnited Airlines
Sun 10/126:00 pmCPR - BWI
1 stop27h 18mUnited Airlines
Deal found 9/9$672

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 September 11, 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

BaltimoreCasper

BWI - CPR

BWICPR

Baltimore/Washington

Wed 12/10

4:15 pm-10:15 pm

1 stop8h 00m

Casper Natrona County

Sat 12/13

3:17 pm-11:00 pm

1 stop5h 43m

$368

Washington, D.C.Casper

IAD - CPR

IADCPR

Washington, D.C. Dulles Intl

Tue 3/3

12:45 pm-5:04 pm

1 stop6h 19m

Casper Natrona County

Sat 3/7

6:01 pm-5:08 am

1 stop9h 07m

$368

BaltimoreCasper

BWI - CPR

BWICPR

Baltimore/Washington

Wed 9/24

4:20 pm-8:20 pm

1 stop6h 00m

Casper Natrona County

Sun 9/28

5:30 am-3:12 pm

1 stop7h 42m

$387

BaltimoreCasper

BWI - CPR

BWICPR

Baltimore/Washington

Wed 9/24

10:10 am-4:52 pm

1 stop8h 42m

Casper Natrona County

Sat 9/27

3:12 pm-11:18 pm

1 stop6h 06m

$418

Washington, D.C.Casper

DCA - CPR

DCACPR

Washington, D.C. Reagan-National

Wed 2/25

6:00 am-5:04 pm

2 stops13h 04m

Casper Natrona County

Sat 2/28

6:01 pm-9:15 am

2 stops13h 14m

$513

BaltimoreCasper

BWI - CPR

BWICPR

Baltimore/Washington

Thu 10/9

10:10 am-6:47 pm

1 stop10h 37m

Casper Natrona County

Sun 10/12

6:00 pm-11:18 pm

1 stop27h 18m

$672

BaltimoreCasper

BWI - CPR

BWICPR

Baltimore/Washington

Wed 10/15

8:32 am-8:17 pm

1 stop13h 45m

$313

Washington, D.C.Casper

DCA - CPR

DCACPR

Washington, D.C. Reagan-National

Wed 10/15

4:23 pm-10:12 pm

1 stop7h 49m

$337

Washington, D.C.Casper

IAD - CPR

IADCPR

Washington, D.C. Dulles Intl

Wed 10/15

10:25 am-2:37 pm

1 stop6h 12m

$337

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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 September 11, 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
8,937 reviews

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Crew

8.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Crew

8.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

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 $368, United Airlines can have you in Casper from Washington, D.C. in 8h. Airlines will cover a distance of 1564 mi.

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

    Most travelers choose Washington, D.C. Dulles Intl - Casper Natrona County, Baltimore/Washington - Casper Natrona County or Washington, D.C. Reagan-National - 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.

  • What is the cheapest month to book a flight from Washington, D.C. to Casper?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Casper (average of $348). Flying from Washington, D.C. to Casper in June is currently the most expensive (average of $500). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Casper?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$278Average$434FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.