What is the cheapest airline that flies from Washington, D.C. to Casper Natrona County?

United Airlines is the most popular carrier operating from Washington, D.C. to Casper Natrona County

How long does it take to fly to Casper?

The flight from Washington, D.C. to Casper depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Baltimore (a popular airport in Washington, D.C.) to Casper (the most popular airport in Casper), then the flight time is 5h 57m on average. If you fly from Washington, D.C. (another popular airport in Washington, D.C.) to Casper, then the average flight time is 6h 09m.

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?

As of October 2025, there is 1 operator available to choose from 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.

$278 Cheap Flights from Washington, D.C. to Casper in 2025/26

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3:59 pm - 8:17 pmIAD-CPR

6h 18m1 stop

8:55 pm - 6:17 amCPR-IAD

7h 22m1 stop

$278United Airlines

Find Deal

Mon, Nov 24 - Sun, Nov 30

2:25 pm - 7:17 pmIAD-CPR

6h 52m1 stop

3:18 pm - 11:15 pmCPR-IAD

5h 57m1 stop

$348United Airlines

Find Deal

Wed, Nov 12 - Sun, Nov 16

5:19 pm - 10:09 pmIAD-CPR

6h 50m1 stop

5:25 am - 3:44 pmCPR-IAD

8h 19m1 stop

$368United Airlines

Find Deal

Sat, Feb 28 - Tue, Mar 3

10:20 am - 6:36 pmBWI-CPR

10h 16m2 stops

3:19 pm - 11:16 pmCPR-BWI

5h 57m1 stop

$374United Airlines

Find Deal

Wed, Dec 17 - Wed, Dec 24

4:17 pm - 8:17 pmDCA-CPR

6h 00m1 stop

5:30 am - 2:55 pmCPR-DCA

7h 25m1 stop

$383United Airlines

Find Deal

Wed, Nov 12 - Sun, Nov 16

4:10 pm - 8:40 pmBWI-CPR

6h 30m1 stop

3:17 pm - 11:15 pmCPR-BWI

5h 58m1 stop

$393United Airlines

Find Deal

Thu, Jan 15 - Mon, Jan 19

4:15 pm - 8:33 pmBWI-CPR

6h 18m1 stop

3:19 pm - 11:16 pmCPR-BWI

5h 57m1 stop

$403United Airlines

Find Deal

Wed, Dec 17 - Wed, Dec 24

4:10 pm - 10:14 pmBWI-CPR

8h 04m1 stop

9:00 am - 9:41 pmCPR-BWI

10h 41m2 stops

$420United Airlines

Find Deal

Thu, Jan 15 - Mon, Jan 19

4:20 pm - 8:17 pmBWI-CPR

5h 57m1 stop

8:55 pm - 5:13 amCPR-BWI

6h 18m1 stop

$428United Airlines

Find Deal

Mon, Nov 24 - Sun, Nov 30

9:55 am - 7:01 pmBWI-CPR

11h 06m1 stop

3:19 pm - 11:16 pmCPR-BWI

5h 57m1 stop

$448United Airlines

Find Deal

Thu, Dec 18 - Wed, Dec 24

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

Our best United Airlines deals on Washington, D.C. to Casper flight tickets

United Airlines

Nov 24

IAD3:59 pmWashington, D.C. Dulles Intl

6h 18m

1 stop

CPR8:17 pmCasper Natrona County

Nov 30

CPR8:55 pmCasper Natrona County

7h 22m

1 stop

IAD6:17 amWashington, D.C. Dulles Intl

$278

Find similar

United Airlines

Nov 12

IAD2:25 pmWashington, D.C. Dulles Intl

6h 52m

1 stop

CPR7:17 pmCasper Natrona County

Nov 16

CPR3:18 pmCasper Natrona County

5h 57m

1 stop

IAD11:15 pmWashington, D.C. Dulles Intl

$348

Find similar

United Airlines

Feb 28

IAD5:19 pmWashington, D.C. Dulles Intl

6h 50m

1 stop

CPR10:09 pmCasper Natrona County

Mar 3

CPR5:25 amCasper Natrona County

8h 19m

1 stop

IAD3:44 pmWashington, D.C. Dulles Intl

$368

Find similar

Fly from

Fly to

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

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

5:19 pm-10:09 pm

1 stop6h 50m

Casper Natrona County

Tue 3/3

5:25 am-3:44 pm

1 stop8h 19m

$368

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

Thu 1/15

4:10 pm-8:40 pm

1 stop6h 30m

Casper Natrona County

Mon 1/19

3:17 pm-11:15 pm

1 stop5h 58m

$393

BaltimoreCasper

BWI - CPR

BWICPR

Baltimore/Washington

Wed 12/17

4:15 pm-8:33 pm

1 stop6h 18m

Casper Natrona County

Wed 12/24

3:19 pm-11:16 pm

1 stop5h 57m

$403

BaltimoreCasper

BWI - CPR

BWICPR

Baltimore/Washington

Thu 1/15

4:10 pm-10:14 pm

1 stop8h 04m

Casper Natrona County

Mon 1/19

9:00 am-9:41 pm

2 stops10h 41m

$420

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

BaltimoreCasper

BWI - CPR

BWICPR

Baltimore/Washington

Thu 12/18

9:55 am-7:01 pm

1 stop11h 06m

Casper Natrona County

Wed 12/24

3:19 pm-11:16 pm

1 stop5h 57m

$448

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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

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Other information

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.

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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 57m.
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?
As of October 2025, there is 1 operator available to choose from 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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. to Casper is United Airlines (100% of total bookings).

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 Airlines	PriceFrom $278	Free Cancellation	Rating 7.4 8,998 reviews		Search United Airlines flights

Rawlins

Evansville

Douglas

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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?

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Cheap flights from Washington, D.C. to Casper from $278

This is the cheapest round-trip 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 11/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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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?

What is the cheapest airline that flies from Washington, D.C. to Casper Natrona County?

United Airlines is the most popular carrier operating from Washington, D.C. to Casper Natrona County

How long does it take to fly to Casper?

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

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

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

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

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?

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

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

Traveling to a place near Casper?

Why use momondo?

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

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

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

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

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

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