$409 Cheap Flights from Casper (CPR) to Washington (DCA)

View $409 flight on Thu, Jul 17, 2025Opens in a new window

Popular airlines from Casper, WY (CPR-Natrona County Intl.) to Ronald Reagan Washington National Airport (DCA)

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Cheap Flights from Casper to Washington (CPR-DCA)

Prices were available within the past 7 days and start at $409 for one-way flights and $378 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Feb 27 - Mon, Mar 2
CPR
Casper
DCA
Washington
$378 Roundtrip, found 6 days ago
$378
Roundtrip
found 6 days ago
Select United flight, departing Fri, Feb 27 from Casper to Washington, returning Mon, Mar 2, priced at $378 found 6 days ago
United
Fri, Jul 18 - Mon, Jul 21
CPR
Casper
DCA
Washington
$403 Roundtrip, found 2 days ago
$403
Roundtrip
found 2 days ago
Select United flight, departing Fri, Jul 18 from Casper to Washington, returning Mon, Jul 21, priced at $403 found 2 days ago
United
Fri, Feb 27 - Mon, Mar 2
CPR
Casper
DCA
Washington
$414 Roundtrip, found 6 days ago
$414
Roundtrip
found 6 days ago
Select United flight, departing Fri, Feb 27 from Casper to Washington, returning Mon, Mar 2, priced at $414 found 6 days ago
United
Fri, Jul 11 - Mon, Jul 21
CPR
Casper
DCA
Washington
$433 Roundtrip, found 5 days ago
$433
Roundtrip
found 5 days ago
Select United flight, departing Fri, Jul 11 from Casper to Washington, returning Mon, Jul 21, priced at $433 found 5 days ago
United
Fri, Feb 27 - Mon, Mar 2
CPR
Casper
DCA
Washington
$469 Roundtrip, found 6 days ago
$469
Roundtrip
found 6 days ago
Select United flight, departing Fri, Feb 27 from Casper to Washington, returning Mon, Mar 2, priced at $469 found 6 days ago
United
Fri, Jul 18 - Thu, Jul 24
CPR
Casper
DCA
Washington
$478 Roundtrip, found 16 hours ago
$478
Roundtrip
found 16 hours ago
Select United flight, departing Fri, Jul 18 from Casper to Washington, returning Thu, Jul 24, priced at $478 found 16 hours ago
United
Fri, Jul 18 - Mon, Jul 21
CPR
Casper
DCA
Washington
$493 Roundtrip, found 2 days ago
$493
Roundtrip
found 2 days ago
Select United flight, departing Fri, Jul 18 from Casper to Washington, returning Mon, Jul 21, priced at $493 found 2 days ago
United
Fri, Feb 27 - Mon, Mar 2
CPR
Casper
DCA
Washington
$504 Roundtrip, found 6 days ago
$504
Roundtrip
found 6 days ago
Select United flight, departing Fri, Feb 27 from Casper to Washington, returning Mon, Mar 2, priced at $504 found 6 days ago
United
Fri, Feb 27 - Mon, Mar 2
CPR
Casper
DCA
Washington
$505 Roundtrip, found 6 days ago
$505
Roundtrip
found 6 days ago
Select United flight, departing Fri, Feb 27 from Casper to Washington, returning Mon, Mar 2, priced at $505 found 6 days ago
United
Fri, Jul 11 - Fri, Jul 18
CPR
Casper
DCA
Washington
$533 Roundtrip, found 5 days ago
$533
Roundtrip
found 5 days ago
Select United flight, departing Fri, Jul 11 from Casper to Washington, returning Fri, Jul 18, priced at $533 found 5 days ago
Flights from Casper (CPR) to Washington (DCA)
Origin airport
Natrona County Intl.
Destination airport
Ronald Reagan Washington National
Airlines serving
United
Roundtrip price
$378
Distance
1554 mi

Casper to Washington Flights

The cheapest times to fly from Casper to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Casper to Washington are during the month of February. You can find some of the cheapest flights from Casper to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Casper to Washington

Sunday is one of the best days to book for cheap flights from Casper to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Casper to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Casper to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $409 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Casper to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Casper to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Natrona County Intl. Airport (CPR) to Ronald Reagan Washington National Airport (DCA) cost?
Discover the latest flight deals from CPR to DCA by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from CPR to DCA?
The cheapest flights from CPR to DCA are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from CPR to DCA?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from CPR to DCA. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Natrona County Intl. Airport (CPR) to Ronald Reagan Washington National Airport (DCA)?
There are no daily nonstop flights departing from Natrona County Intl. Airport (CPR) to Ronald Reagan Washington National Airport (DCA). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from CPR to DCA?
Usually you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can vary based on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Natrona County Intl. Airport (CPR) to Ronald Reagan Washington National Airport (DCA)?
To reach Ronald Reagan Washington National Airport (DCA) on time, opt for a flight that leaves from Natrona County Intl. Airport (CPR) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Natrona County Intl. Airport (CPR) to Ronald Reagan Washington National Airport (DCA) last-minute?
Holding off until just before your departure to book a flight from CPR to DCA often results in higher prices. While you may find some last-minute discounts, they aren't always guaranteed. Be flexible with your travel plans for a better chance of snagging a bargain.
Is it cheaper to book a CPR to DCA flight and hotel package?
You'll generally save money by booking a CPR to DCA flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. After choosing your ideal flights and accommodations, consider adding extras such as car rentals, tours and activities.
Can I cancel or change the date of my flight from Natrona County Intl. Airport (CPR) to Ronald Reagan Washington National Airport (DCA)?
If you reserved your CPR to DCA flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

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*Available to One Key members.