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

Currently priced at $368, 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 $505). 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.

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 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.

$337+ Flights from Washington, D.C. to Casper

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

Round-trip from	$368 (United Airlines)
One-way from	$337 (United Airlines)

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

Search Deals

One-way flight 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 June 12, 2025.

Thu 10/308:20 amBWI - CPR

1 stop8h 21mUnited Airlines

Mon 11/33:18 pmCPR - BWI

1 stop5h 39mUnited Airlines

Deal found 6/10

$368

Fri 9/195:47 pmIAD - CPR

1 stop6h 27mUnited Airlines

Mon 9/2211:25 amCPR - IAD

1 stop9h 52mUnited Airlines

Deal found 6/10

$368

Mon 7/144:17 pmDCA - CPR

1 stop6h 09mUnited Airlines

Sat 7/195:59 pmCPR - DCA

2 stops12h 23mUnited Airlines

Deal found 6/10

$573

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 June 12, 2025.

Fri 7/44:20 pmBWI - CPR

1 stop6h 06mUnited Airlines

Tue 7/85:59 pmCPR - BWI

1 stop9h 11mUnited Airlines

Deal found 6/11

$368

Thu 6/266:30 amIAD - CPR

1 stop6h 24mUnited Airlines

Mon 6/301:28 pmCPR - IAD

1 stop7h 42mUnited Airlines

Deal found 6/11

$403

Mon 7/144:17 pmDCA - CPR

1 stop6h 09mUnited Airlines

Sat 7/195:59 pmCPR - DCA

2 stops12h 23mUnited Airlines

Deal found 6/10

$573

Last-minute flights from Washington, D.C. to Casper
Discover last-minute flight deals from Washington, D.C. to Casper. Data last updated June 12, 2025 and is based on user searches.

Thu 6/198:00 pmDCA - CPR

2 stops16h 58mUnited Airlines

Mon 6/235:58 pmCPR - DCA

2 stops13h 59mUnited Airlines

Deal found 6/10

$976

Thu 6/266:30 amIAD - CPR

1 stop6h 24mUnited Airlines

Mon 6/301:28 pmCPR - IAD

1 stop7h 42mUnited Airlines

Deal found 6/11

$403

Fri 7/44:20 pmBWI - CPR

1 stop6h 06mUnited Airlines

Tue 7/85:59 pmCPR - BWI

1 stop9h 11mUnited Airlines

Deal found 6/11

$368

Mon 7/144:17 pmDCA - CPR

1 stop6h 09mUnited Airlines

Sat 7/195:59 pmCPR - DCA

2 stops12h 23mUnited Airlines

Deal found 6/10

$573

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 June 12, 2025.

Thu 7/38:10 amBWI - CPR

1 stop6h 29mUnited Airlines

Deal found 6/10

$337

Thu 7/34:17 pmDCA - CPR

1 stop7h 57mUnited Airlines

Deal found 6/10

$337

Thu 7/38:20 amIAD - CPR

1 stop8h 20mUnited Airlines

Deal found 6/10

$337

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

BaltimoreCasper

BWI - CPR

BWICPR

Baltimore/Washington

Thu 10/30

8:20 am-2:41 pm

1 stop8h 21m

Casper Natrona County

Mon 11/3

3:18 pm-10:57 pm

1 stop5h 39m

$368

Washington, D.C.Casper

IAD - CPR

IADCPR

Washington, D.C. Dulles Intl

Thu 6/26

6:30 am-10:54 am

1 stop6h 24m

Casper Natrona County

Mon 6/30

1:28 pm-11:10 pm

1 stop7h 42m

$403

Washington, D.C.Casper

DCA - CPR

DCACPR

Washington, D.C. Reagan-National

Mon 7/14

4:17 pm-8:26 pm

1 stop6h 09m

Casper Natrona County

Sat 7/19

5:59 pm-8:22 am

2 stops12h 23m

$573

BaltimoreCasper

BWI - CPR

BWICPR

Baltimore/Washington

Thu 7/3

8:10 am-12:39 pm

1 stop6h 29m

$337

Washington, D.C.Casper

DCA - CPR

DCACPR

Washington, D.C. Reagan-National

Thu 7/3

4:17 pm-10:14 pm

1 stop7h 57m

$337

Washington, D.C.Casper

IAD - CPR

IADCPR

Washington, D.C. Dulles Intl

Thu 7/3

8:20 am-2:40 pm

1 stop8h 20m

$337

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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

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.

Rainfall in Casper by month

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.

Temperature in Casper by month

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).

Reviews of airlines servicing Casper

United Airlines

7.4

Good

8,790 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

8,790 reviews

United Airlines

7.4

Good

8,790 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 $368, 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 $505). 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$458	FlexibilityNo cancel fee	On-time69%

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$337+ Cheap flights from Washington, D.C. (WAS) to Casper (CPR)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/3. 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

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2. Select your favorite providers

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

Round-trip from

One-way from

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 June 12, 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 June 12, 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

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

Find hourly flight availability from Washington, D.C. to Casper. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

Rainfall in Casper by month

Plan your trip to Casper by taking into account the average rainfall totals by month.

Temperature in Casper by month

Plan your trip to Casper by taking into account the average temperature totals by month.

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 June 12, 2025.

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 Washington, D.C.?

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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 June 12, 2025.