What is the cheapest airline to fly from Washington, D.C. to Casper round-trip?

Currently priced at $278, United Airlines will fly you from Washington, D.C. to Casper and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip.

What is the cheapest month to book a flight from Washington, D.C. to Casper?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Casper (average of $348). Flying from Washington, D.C. to Casper in June is currently the most expensive (average of $504). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from Washington, D.C. to Casper?

Travelers seeking maximum savings on their Washington, D.C. to Casper flight should consider departing on Monday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Casper ranges from 0.5 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. January is typically the driest time to visit Casper when rainfall is around 0.5 in.

If weather is an important factor for your trip to Casper, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 23.0 F).

What are the most popular routes from Washington, D.C. to Casper?

Most travelers choose Washington, D.C. Dulles Intl - Casper Natrona County, Baltimore/Washington - Casper Natrona County or Washington, D.C. Reagan-National - Casper Natrona County when deciding on the best route from Washington, D.C. to Casper.

What is the cheapest day to fly round-trip from Washington, D.C. to Casper?

Friday is generally a great day to depart. Flying on this day could help you save up to 79%.

What is the cheapest time of day to fly from WAS to CPR?

It’s typically best to fly out from Washington, D.C. to Casper in the morning. Doing so could potentially save you 1% on the flight price compared to flying at noon, which is usually more expensive.

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.

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.

$278+ Flights from Washington, D.C. to Casper

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Cheap flight deals from Washington, D.C. to Casper

Round-trip from	$278 (United Airlines)

From Washington, D.C. (WAS) to Casper Natrona County

Search Deals

Find 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 July 29, 2025.

Wed 8/272:39 pmIAD - CPR

1 stop7h 42mUnited Airlines

Wed 9/37:05 amCPR - IAD

1 stop6h 29mUnited Airlines

Deal found 7/28

$278

Sat 8/94:17 pmDCA - CPR

1 stop7h 57mUnited Airlines

Wed 8/135:30 amCPR - DCA

1 stop7h 35mUnited Airlines

Deal found 7/27

$478

Tue 8/58:10 amBWI - CPR

1 stop6h 29mUnited Airlines

Sat 8/95:59 pmCPR - BWI

1 stop9h 11mUnited Airlines

Deal found 7/28

$533

Best flights from Washington, D.C. to Casper
Discover carefully curated flight deals from Washington, D.C. to Casper that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2025.

Wed 8/272:39 pmIAD - CPR

1 stop7h 42mUnited Airlines

Wed 9/37:05 amCPR - IAD

1 stop6h 29mUnited Airlines

Deal found 7/28

$278

Sat 8/94:17 pmDCA - CPR

1 stop7h 57mUnited Airlines

Wed 8/135:30 amCPR - DCA

1 stop7h 35mUnited Airlines

Deal found 7/27

$478

Tue 8/58:10 amBWI - CPR

1 stop6h 29mUnited Airlines

Sat 8/95:59 pmCPR - BWI

1 stop9h 11mUnited Airlines

Deal found 7/28

$533

Last-minute flights from Washington, D.C. to Casper
Discover last-minute flight deals from Washington, D.C. to Casper. Data last updated July 29, 2025 and is based on user searches.

Tue 8/56:30 amIAD - CPR

1 stop6h 24mUnited Airlines

Sat 8/93:16 pmCPR - IAD

1 stop7h 29mUnited Airlines

Deal found 7/28

$443

Tue 8/58:10 amBWI - CPR

1 stop6h 29mUnited Airlines

Sat 8/95:59 pmCPR - BWI

1 stop9h 11mUnited Airlines

Deal found 7/28

$533

Sat 8/94:17 pmDCA - CPR

1 stop7h 57mUnited Airlines

Wed 8/135:30 amCPR - DCA

1 stop7h 35mUnited Airlines

Deal found 7/27

$478

Wed 8/272:39 pmIAD - CPR

1 stop7h 42mUnited Airlines

Wed 9/37:05 amCPR - IAD

1 stop6h 29mUnited Airlines

Deal found 7/28

$278

One-way flights from Washington, D.C. to Casper
Search for one-way flight options from Washington, D.C. to Casper. Find affordable one-way fares based on user searches. Data last updated July 29, 2025.

Sat 8/2312:35 pmIAD - CPR

1 stop8h 34mUnited Airlines

Deal found 7/27

$337

Tue 9/304:23 pmDCA - CPR

1 stop7h 49mUnited Airlines

Deal found 7/27

$382

Cheapflights Fare Finder

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

Washington, D.C.Casper

IAD - CPR

IADCPR

Washington, D.C. Dulles Intl

Wed 8/27

2:39 pm-8:21 pm

1 stop7h 42m

Casper Natrona County

Wed 9/3

7:05 am-3:34 pm

1 stop6h 29m

$278

Washington, D.C.Casper

DCA - CPR

DCACPR

Washington, D.C. Reagan-National

Sat 8/9

4:17 pm-10:14 pm

1 stop7h 57m

Casper Natrona County

Wed 8/13

5:30 am-3:05 pm

1 stop7h 35m

$478

BaltimoreCasper

BWI - CPR

BWICPR

Baltimore/Washington

Tue 8/5

8:10 am-12:39 pm

1 stop6h 29m

Casper Natrona County

Sat 8/9

5:59 pm-5:10 am

1 stop9h 11m

$533

Washington, D.C.Casper

IAD - CPR

IADCPR

Washington, D.C. Dulles Intl

Sat 8/23

12:35 pm-7:09 pm

1 stop8h 34m

$337

Washington, D.C.Casper

DCA - CPR

DCACPR

Washington, D.C. Reagan-National

Tue 9/30

4:23 pm-10:12 pm

1 stop7h 49m

$382

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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 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

8,899 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

United Airlines

7.4

Good

8,899 reviews

United Airlines

7.4

Good

8,899 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

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.
What is the cheapest airline to fly from Washington, D.C. to Casper round-trip?
Currently priced at $278, United Airlines will fly you from Washington, D.C. to Casper and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip.
What are the most popular routes from Washington, D.C. to Casper?
Most travelers choose Washington, D.C. Dulles Intl - Casper Natrona County, Baltimore/Washington - Casper Natrona County or Washington, D.C. Reagan-National - 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.
What is the cheapest month to book a flight from Washington, D.C. to Casper?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Casper (average of $348). Flying from Washington, D.C. to Casper in June is currently the most expensive (average of $504). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Washington, D.C. to Casper

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Top airline flying from Washington, D.C. to Casper

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$278	Average$450	FlexibilityNo cancel fee	On-time69%

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$278+ Cheap flights from Washington, D.C. (WAS) to Casper (CPR)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/27. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to Casper with Cheapflights

1. Tell us where you want to go

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Cheap flight deals from Washington, D.C. to Casper

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Find flight deals from Washington, D.C. to Casper

Cheapest flights from Washington, D.C. to CasperExplore 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 July 29, 2025.

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 July 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Casper that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Casper

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 July 29, 2025.

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.

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.?

What is the cheapest airline to fly from Washington, D.C. to Casper round-trip?

What are the most popular routes from Washington, D.C. to Casper?

Can I find deals for flights from Washington, D.C. to Casper that include hotel bookings?

How can I find direct flights from Washington, D.C. to Casper?

Can I find deals for business class flights from Washington, D.C. to Casper?

What is the cheapest month to book a flight from Washington, D.C. to Casper?

Traveling to a place near Casper?

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Alternative routes for Washington, D.C. to Casper

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Top airline flying from Washington, D.C. to Casper

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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 July 29, 2025.