Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Casper to Washington, D.C. from $347

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Casper to Washington, D.C. departing on 2/20. 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 Casper to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:00 am - 3:04 pm
CPR
-
BWI
6h 04m
1 stop
United Airlines Logo
8:00 am - 12:40 pm
BWI
-
CPR
6h 40m
1 stop
$348United Airlines
Wed, Feb 11 - Sun, Feb 15
United Airlines Logo
9:00 am - 9:21 pm
CPR
-
BWI
10h 21m
2 stops
United Airlines Logo
8:00 am - 12:40 pm
BWI
-
CPR
6h 40m
1 stop
$354United Airlines
Wed, Feb 11 - Sun, Feb 15
United Airlines Logo
9:00 am - 9:21 pm
CPR
-
BWI
10h 21m
2 stops
United Airlines Logo
6:30 am - 12:40 pm
BWI
-
CPR
8h 10m
2 stops
$385United Airlines
Wed, Feb 11 - Sun, Feb 15
United Airlines Logo
1:20 pm - 11:25 pm
CPR
-
BWI
8h 05m
1 stop
United Airlines Logo
4:09 pm - 10:09 pm
BWI
-
CPR
8h 00m
1 stop
$413United Airlines
Sat, Feb 14 - Wed, Feb 18
United Airlines Logo
3:14 pm - 12:37 am
CPR
-
IAD
7h 23m
1 stop
United Airlines Logo
10:15 am - 5:33 pm
IAD
-
CPR
9h 18m
1 stop
$564United Airlines
Fri, May 29 - Sun, May 31
United Airlines Logo
3:15 pm - 12:32 am
CPR
-
IAD
7h 17m
1 stop
United Airlines Logo
10:22 am - 5:04 pm
IAD
-
CPR
8h 42m
1 stop
$589United Airlines
Fri, May 29 - Sun, May 31
United Airlines Logo
11:25 am - 11:00 pm
CPR
-
BWI
9h 35m
1 stop
United Airlines Logo
8:15 am - 5:04 pm
BWI
-
CPR
10h 49m
1 stop
$634United Airlines
Fri, May 29 - Sun, May 31
United Airlines Logo
11:19 am - 11:26 pm
CPR
-
BWI
10h 07m
1 stop
United Airlines Logo
10:45 am - 5:33 pm
BWI
-
CPR
8h 48m
2 stops
$689United Airlines
Fri, May 29 - Sun, May 31
United Airlines Logo
11:25 am - 7:35 am
CPR
-
IAD
18h 10m
2 stops
United Airlines Logo
10:22 am - 5:04 pm
IAD
-
CPR
8h 42m
1 stop
$718United Airlines
Fri, May 29 - Sun, May 31
United Airlines Logo
11:19 am - 11:26 pm
CPR
-
BWI
10h 07m
1 stop
United Airlines Logo
8:16 am - 5:33 pm
BWI
-
CPR
11h 17m
1 stop
$721United Airlines
Fri, May 29 - Sun, May 31

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

Our best United Airlines deals on Casper to Washington, D.C. flight tickets
United Airlines
Feb 11
CPR7:00 amCasper Natrona County
6h 04m
1 stop
BWI3:04 pmBaltimore/Washington
Feb 15
BWI8:00 amBaltimore/Washington
6h 40m
1 stop
CPR12:40 pmCasper Natrona County
$348
United Airlines
Feb 11
CPR9:00 amCasper Natrona County
10h 21m
2 stops
BWI9:21 pmBaltimore/Washington
Feb 15
BWI8:00 amBaltimore/Washington
6h 40m
1 stop
CPR12:40 pmCasper Natrona County
$354
United Airlines
Feb 11
CPR9:00 amCasper Natrona County
10h 21m
2 stops
BWI9:21 pmBaltimore/Washington
Feb 15
BWI6:30 amBaltimore/Washington
8h 10m
2 stops
CPR12:40 pmCasper Natrona County
$385

momondo Fare Finder

 
Customize your flight search to find flights from Casper to Washington, D.C. 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 January 29, 2026.
Use the filters below to find and compare flights from Casper to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CasperBaltimore

CPR - BWI

CPRBWI

Casper Natrona County

Wed 2/11

7:00 am-3:04 pm

1 stop6h 04m

Baltimore/Washington

Sun 2/15

8:00 am-12:40 pm

1 stop6h 40m

$348

CasperBaltimore

CPR - BWI

CPRBWI

Casper Natrona County

Wed 2/11

9:00 am-9:21 pm

2 stops10h 21m

Baltimore/Washington

Sun 2/15

8:00 am-12:40 pm

1 stop6h 40m

$354

CasperBaltimore

CPR - BWI

CPRBWI

Casper Natrona County

Wed 2/11

9:00 am-9:21 pm

2 stops10h 21m

Baltimore/Washington

Sun 2/15

6:30 am-12:40 pm

2 stops8h 10m

$385

CasperBaltimore

CPR - BWI

CPRBWI

Casper Natrona County

Sat 2/14

1:20 pm-11:25 pm

1 stop8h 05m

Baltimore/Washington

Wed 2/18

4:09 pm-10:09 pm

1 stop8h 00m

$413

CasperWashington, D.C.

CPR - IAD

CPRIAD

Casper Natrona County

Fri 5/29

3:14 pm-12:37 am

1 stop7h 23m

Washington, D.C. Dulles Intl

Sun 5/31

10:15 am-5:33 pm

1 stop9h 18m

$564

CasperWashington, D.C.

CPR - IAD

CPRIAD

Casper Natrona County

Fri 5/29

3:15 pm-12:32 am

1 stop7h 17m

Washington, D.C. Dulles Intl

Sun 5/31

10:22 am-5:04 pm

1 stop8h 42m

$589

CasperBaltimore

CPR - BWI

CPRBWI

Casper Natrona County

Fri 5/29

11:25 am-11:00 pm

1 stop9h 35m

Baltimore/Washington

Sun 5/31

8:15 am-5:04 pm

1 stop10h 49m

$634

CasperBaltimore

CPR - BWI

CPRBWI

Casper Natrona County

Fri 5/29

11:19 am-11:26 pm

1 stop10h 07m

Baltimore/Washington

Sun 5/31

10:45 am-5:33 pm

2 stops8h 48m

$689

CasperWashington, D.C.

CPR - IAD

CPRIAD

Casper Natrona County

Fri 5/29

11:25 am-7:35 am

2 stops18h 10m

Washington, D.C. Dulles Intl

Sun 5/31

10:22 am-5:04 pm

1 stop8h 42m

$718

CasperBaltimore

CPR - BWI

CPRBWI

Casper Natrona County

Fri 5/29

11:19 am-11:26 pm

1 stop10h 07m

Baltimore/Washington

Sun 5/31

8:16 am-5:33 pm

1 stop11h 17m

$721

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

See travel insights to Washington, D.C. from

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

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

Can stopping save me money on Casper to Washington, D.C. flights?

You could potentially save up to 59% on your flight if you consider stops on a Casper to Washington, D.C. flight.

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

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

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

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

Fastest flight time

5h 47m

Direct flights

None
The fastest flight from Casper to Washington, D.C. takes 5h 47m
There are no direct flights from Casper to Washington, D.C.. There are no popular flight routes from Casper to Washington, D.C..
Search flight deals

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

    The straight-line distance from Casper Natrona County to Washington, D.C. is 1545.1 mi. Flights usually cover this in 5h 47m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Casper Natrona County Airport to Washington, D.C. refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Casper Natrona County Airport to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The required travel and health documents for your Washington, D.C. trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Compare and see reviews for airlines that fly from Casper to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $278Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Waldorf
Woodbridge
Tysons
Laurel
Colonial Beach
Silver Spring
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Fairfax
Linthicum Heights
Bethesda
Reston

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Casper to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Casper to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Casper to Washington, D.C..

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

Of course. momondo tracks the price of Casper to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Washington, D.C. 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 2/28
Sat 3/7
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport