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Casper

$347+ 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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — CPR
Mar 8 — Mar 151
Sun 3/8
Sun 3/15
1 adult, Economy
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Cheap 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 February 6, 2026.

This United Airlines deal was found by Cheapflights users on 2/3. 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 4/172:21 pm
IAD
-
CPR
1 stop6h 38m
United Airlines
Mon 4/201:21 pm
CPR
-
IAD
1 stop6h 04m
United Airlines
Deal found 2/3$349
This United Airlines deal was found by Cheapflights users on 2/4. 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 9/710:00 am
BWI
-
CPR
1 stop6h 40m
United Airlines
Mon 9/1411:25 am
CPR
-
BWI
1 stop7h 55m
United Airlines
Deal found 2/4$350
This United Airlines deal was found by Cheapflights users on 2/3. 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 10/2710:00 am
BWI
-
CPR
1 stop9h 04m
United Airlines
Sat 10/311:25 pm
CPR
-
BWI
1 stop7h 35m
United Airlines
Deal found 2/3$388
This United Airlines deal was found by Cheapflights users on 2/2. 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 10/272:25 pm
IAD
-
CPR
1 stop7h 52m
United Airlines
Sat 10/317:00 am
CPR
-
IAD
1 stop7h 40m
United Airlines
Deal found 2/2$388
This United Airlines deal was found by Cheapflights users on 2/3. 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 4/174:18 pm
BWI
-
CPR
1 stop7h 49m
United Airlines
Mon 4/201:21 pm
CPR
-
BWI
1 stop8h 03m
United Airlines
Deal found 2/3$403
This United Airlines deal was found by Cheapflights users on 2/3. 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 3/54:03 pm
BWI
-
CPR
1 stop6h 33m
United Airlines
Mon 3/93:15 pm
CPR
-
BWI
1 stop5h 57m
United Airlines
Deal found 2/3$430
This United Airlines deal was found by Cheapflights users on 2/2. 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 2/179:50 am
IAD
-
CPR
1 stop11h 12m
United Airlines
Sat 2/211:20 pm
CPR
-
IAD
1 stop7h 58m
United Airlines
Deal found 2/2$438
This United Airlines deal was found by Cheapflights users on 2/2. 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 2/176:00 am
DCA
-
CPR
2 stops10h 40m
United Airlines
Sat 2/217:10 am
CPR
-
DCA
1 stop5h 49m
United Airlines
Deal found 2/2$454
This United Airlines deal was found by Cheapflights users on 2/2. 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 10/286:00 am
DCA
-
CPR
2 stops14h 37m
United Airlines
Sat 10/317:00 am
CPR
-
DCA
1 stop5h 56m
United Airlines
Deal found 2/2$464
This United Airlines deal was found by Cheapflights users on 2/3. 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 6/276:30 am
IAD
-
CPR
1 stop8h 09m
United Airlines
Wed 7/18:45 am
CPR
-
IAD
1 stop8h 27m
United Airlines
Deal found 2/3$493
This United Airlines deal was found by Cheapflights users on 2/4. 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 3/44:11 pm
DCA
-
CPR
1 stop7h 58m
United Airlines
Wed 3/115:25 am
CPR
-
DCA
1 stop7h 34m
United Airlines
Deal found 2/4$507
This United Airlines deal was found by Cheapflights users on 2/4. 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 2/78:23 am
BWI
-
CPR
1 stop6h 12m
United Airlines
Mon 2/93:17 pm
CPR
-
BWI
1 stop5h 58m
United Airlines
Deal found 2/4$508

Find 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 February 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$348
(United Airlines)

One-way from

$347
(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
One-way flight 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 February 6, 2026.
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

Fri 4/17

2:21 pm-6:59 pm

1 stop6h 38m

Casper Natrona County

Mon 4/20

1:21 pm-9:25 pm

1 stop6h 04m

$349

Washington, D.C.Casper

IAD - CPR

IADCPR

Washington, D.C. Dulles Intl

Thu 3/5

2:18 pm-8:36 pm

1 stop8h 18m

Casper Natrona County

Mon 3/9

5:55 pm-5:17 am

1 stop9h 22m

$388

BaltimoreCasper

BWI - CPR

BWICPR

Baltimore/Washington

Fri 4/17

4:18 pm-10:07 pm

1 stop7h 49m

Casper Natrona County

Mon 4/20

1:21 pm-11:24 pm

1 stop8h 03m

$403

BaltimoreCasper

BWI - CPR

BWICPR

Baltimore/Washington

Thu 3/5

4:03 pm-8:36 pm

1 stop6h 33m

Casper Natrona County

Mon 3/9

3:15 pm-11:12 pm

1 stop5h 57m

$430

Washington, D.C.Casper

IAD - CPR

IADCPR

Washington, D.C. Dulles Intl

Tue 2/17

9:50 am-7:02 pm

1 stop11h 12m

Casper Natrona County

Sat 2/21

1:20 pm-11:18 pm

1 stop7h 58m

$438

Washington, D.C.Casper

DCA - CPR

DCACPR

Washington, D.C. Reagan-National

Tue 2/17

6:00 am-2:40 pm

2 stops10h 40m

Casper Natrona County

Sat 2/21

7:10 am-2:59 pm

1 stop5h 49m

$454

Washington, D.C.Casper

IAD - CPR

IADCPR

Washington, D.C. Dulles Intl

Sat 6/27

6:30 am-12:39 pm

1 stop8h 09m

Casper Natrona County

Wed 7/1

8:45 am-7:12 pm

1 stop8h 27m

$493

Washington, D.C.Casper

DCA - CPR

DCACPR

Washington, D.C. Reagan-National

Wed 3/4

6:00 am-5:01 pm

2 stops13h 01m

Casper Natrona County

Wed 3/11

5:25 am-2:59 pm

1 stop7h 34m

$499

BaltimoreCasper

BWI - CPR

BWICPR

Baltimore/Washington

Tue 3/31

4:18 pm-8:26 pm

1 stop6h 08m

Casper Natrona County

Sun 4/5

11:22 am-11:24 pm

1 stop10h 02m

$563

Washington, D.C.Casper

IAD - CPR

IADCPR

Washington, D.C. Dulles Intl

Mon 3/30

10:20 pm-2:39 pm

2 stops18h 19m

Casper Natrona County

Tue 4/7

5:25 am-9:05 pm

2 stops13h 40m

$642

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

Showing 1-10 of 19 results
1
2
  • Most accurate provider: When it comes to deals on Washington, D.C.-Casper flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Casper flight deals on Cheapflights vs. FlightHub >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 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 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 February 6, 2026.
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
9,240 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,240 reviews
United Airlines
7.4
Good
9,240 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 $349, United Airlines can have you in Casper from Washington, D.C. in 6h 38m. 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

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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 February 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$298Average$470FlexibilityNo cancel feeOn-time69%

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