Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. to Casper from $313

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Casper departing on 10/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Washington, D.C. to Casper

Cheap round-trip flights

United Airlines Logo
4:15 pm - 10:15 pmBWI-CPR
8h 00m1 stop
United Airlines Logo
3:17 pm - 11:00 pmCPR-BWI
5h 43m1 stop
$368United Airlines
Find Deal
Wed, Dec 10 - Sat, Dec 13
United Airlines Logo
4:08 pm - 10:12 pmIAD-CPR
8h 04m1 stop
United Airlines Logo
6:01 pm - 5:08 amCPR-IAD
9h 07m1 stop
$368United Airlines
Find Deal
Tue, Mar 3 - Sat, Mar 7
United Airlines Logo
10:20 am - 8:33 pmBWI-CPR
12h 13m2 stops
United Airlines Logo
3:17 pm - 11:00 pmCPR-BWI
5h 43m1 stop
$374United Airlines
Find Deal
Wed, Dec 10 - Sat, Dec 13
United Airlines Logo
4:20 pm - 8:20 pmBWI-CPR
6h 00m1 stop
United Airlines Logo
5:30 am - 3:12 pmCPR-BWI
7h 42m1 stop
$387United Airlines
Find Deal
Wed, Sep 24 - Sun, Sep 28
United Airlines Logo
6:15 am - 2:36 pmBWI-CPR
10h 21m2 stops
United Airlines Logo
5:30 am - 3:12 pmCPR-BWI
7h 42m1 stop
$392United Airlines
Find Deal
Wed, Sep 24 - Sun, Sep 28
United Airlines Logo
4:08 pm - 10:12 pmIAD-CPR
8h 04m1 stop
United Airlines Logo
6:01 pm - 5:08 amCPR-IAD
9h 07m1 stop
$393United Airlines
Find Deal
Tue, Mar 3 - Sat, Mar 7
United Airlines Logo
10:10 am - 4:52 pmBWI-CPR
8h 42m1 stop
United Airlines Logo
3:12 pm - 11:18 pmCPR-BWI
6h 06m1 stop
$418United Airlines
Find Deal
Wed, Sep 24 - Sat, Sep 27
United Airlines Logo
10:51 am - 7:09 pmBWI-CPR
10h 18m2 stops
United Airlines Logo
7:00 am - 3:12 pmCPR-BWI
6h 12m1 stop
$424United Airlines
Find Deal
Wed, Sep 24 - Sat, Sep 27
United Airlines Logo
10:05 pm - 5:04 pmIAD-CPR
20h 59m2 stops
United Airlines Logo
6:01 pm - 5:08 amCPR-IAD
9h 07m1 stop
$424United Airlines
Find Deal
Tue, Mar 3 - Sat, Mar 7
United Airlines Logo
10:20 am - 8:33 pmBWI-CPR
12h 13m2 stops
United Airlines Logo
5:30 am - 9:19 pmCPR-BWI
13h 49m2 stops
$444United Airlines
Find Deal
Wed, Dec 10 - Sat, Dec 13

United Airlines flights from Washington, D.C. to Casper

Our best United Airlines deals on Washington, D.C. to Casper flight tickets
United Airlines
Dec 10
BWI4:15 pmBaltimore/Washington
8h 00m
1 stop
CPR10:15 pmCasper Natrona County
Dec 13
CPR3:17 pmCasper Natrona County
5h 43m
1 stop
BWI11:00 pmBaltimore/Washington
$368
Find similar
United Airlines
Dec 10
BWI10:20 amBaltimore/Washington
12h 13m
2 stops
CPR8:33 pmCasper Natrona County
Dec 13
CPR3:17 pmCasper Natrona County
5h 43m
1 stop
BWI11:00 pmBaltimore/Washington
$374
Find similar
United Airlines
Sep 24
BWI4:20 pmBaltimore/Washington
6h 00m
1 stop
CPR8:20 pmCasper Natrona County
Sep 28
CPR5:30 amCasper Natrona County
7h 42m
1 stop
BWI3:12 pmBaltimore/Washington
$387
Find similar

momondo 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, momondo users made 832,500 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

Fly to

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

4:08 pm-10:12 pm

1 stop8h 04m

Casper Natrona County

Sat 3/7

6:01 pm-5:08 am

1 stop9h 07m

$368

BaltimoreCasper

BWI - CPR

BWICPR

Baltimore/Washington

Wed 12/10

10:20 am-8:33 pm

2 stops12h 13m

Casper Natrona County

Sat 12/13

3:17 pm-11:00 pm

1 stop5h 43m

$374

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

6:15 am-2:36 pm

2 stops10h 21m

Casper Natrona County

Sun 9/28

5:30 am-3:12 pm

1 stop7h 42m

$392

Washington, D.C.Casper

IAD - CPR

IADCPR

Washington, D.C. Dulles Intl

Tue 3/3

4:08 pm-10:12 pm

1 stop8h 04m

Casper Natrona County

Sat 3/7

6:01 pm-5:08 am

1 stop9h 07m

$393

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

BaltimoreCasper

BWI - CPR

BWICPR

Baltimore/Washington

Wed 9/24

10:51 am-7:09 pm

2 stops10h 18m

Casper Natrona County

Sat 9/27

7:00 am-3:12 pm

1 stop6h 12m

$424

Washington, D.C.Casper

IAD - CPR

IADCPR

Washington, D.C. Dulles Intl

Tue 3/3

10:05 pm-5:04 pm

2 stops20h 59m

Casper Natrona County

Sat 3/7

6:01 pm-5:08 am

1 stop9h 07m

$424

BaltimoreCasper

BWI - CPR

BWICPR

Baltimore/Washington

Wed 12/10

10:20 am-8:33 pm

2 stops12h 13m

Casper Natrona County

Sat 12/13

5:30 am-9:19 pm

2 stops13h 49m

$444

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

See travel insights to Casper from

How to get the cheapest flight ticket from Washington, D.C. to Casper

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Casper?

The cheapest day to depart from Washington, D.C. to Casper is on a Saturday when prices can be found for as low as $454. The most expensive day to fly to Casper is Sunday, with ticket prices averaging around $815.

What is the cheapest time of day to depart on your flight to Casper?

The cheapest time of day to fly to Casper is in the morning when flights can be purchased for as low as $589. Flights to Casper are more costly in the afternoon, with an average ticket price of $593. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Washington, D.C. to Casper

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Casper according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. to Casper (WAS to CPR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Casper

Direct flights

None
There are no direct flights from Washington, D.C. to Casper. There are no popular flight routes from Washington, D.C. to Casper.
Search flight deals

  • How far is Washington, D.C. to Casper Natrona County by plane?

    A flight from Washington, D.C. to Casper Natrona County will travel around 1545.1 mi. In terms of flight time, this usually takes a little over 5h 56m.

  • When did momondo last update prices for flights from Washington, D.C. to Casper Natrona County Airport?

    Prices for flights from Washington, D.C. to Casper Natrona County Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. to Casper Natrona County Airport?

  • How old do you have to be to fly from Washington, D.C. to Casper Natrona County Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Casper Natrona County Airport.

  • What documentation or ID do you need to fly to Casper Natrona County Airport?

    The necessary travel and health documents for your Casper Natrona County Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Washington, D.C. to Casper?

Best airlines flying from Washington, D.C. to Casper

Compare and see reviews for airlines that fly from Washington, D.C. to Casper with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $278Free CancellationRating
7.4
8,937 reviews
Search United Airlines flights

Traveling to a place near Casper?

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

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Casper?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Casper for you.

Can I find flights from Washington, D.C. to Casper with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Casper flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Casper?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Casper from Washington, D.C..

I’m not ready to book a flight from Washington, D.C. to Casper right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington, D.C. to Casper flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Casper trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 10/11
Sat 10/18
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States