How long is the flight from Casper to Washington, D.C.?

Departing from Casper to Washington, D.C. will take you 7h 50m. The distance from Casper to Washington, D.C. is about 1530 mi.

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

Currently, August is the cheapest month in which you can book a flight from Casper to Washington, D.C. (average of $292). Flying from Casper to Washington, D.C. in April is currently the most expensive (average of $337). 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 Casper to Washington, D.C.?

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

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C., 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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

The most popular flight routes from Casper to Washington, D.C. are Casper Natrona County - Washington, D.C. Reagan-National, Casper Natrona County - Baltimore/Washington and Casper Natrona County - Washington, D.C. Dulles Intl.

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

It’s typically best to fly out from Casper to Washington, D.C. at noon. Doing so could potentially save you 13% on the flight price compared to flying in the morning, which is usually more expensive.

What airport do you fly from for flights from Casper to Washington, D.C.?

Casper Natrona County (CPR) is the airport you will fly out of if you book a flight from Casper to Washington, D.C.. You should not have trouble finding flights to Washington, D.C. from Natrona County; the airport handles an average of 0 outbound flights to Washington, D.C. per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Casper airport to Washington, D.C.. It is only a 8.1 mi journey to Natrona County (CPR) from Casper’s city center.

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

Yes. In addition to deals on Casper to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

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

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Casper to Washington, D.C..

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

Yes. Cheapflights offers flight deals from Casper to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$343+ Cheap Flights from Casper to Washington, D.C.

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

Round-trip from	$343 (United Airlines)

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

Search Deals

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

Cheapest flights from Casper to Washington, D.C.
Explore the most affordable flight options available from Casper to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

Thu 10/231:32 pmCPR - IAD

1 stop7h 50mUnited Airlines

Sat 10/252:45 pmIAD - CPR

1 stop6h 02mUnited Airlines

Deal found 9/15

$343

Sat 11/81:25 pmCPR - IAD

1 stop5h 56mUnited Airlines

Mon 11/102:25 pmIAD - CPR

1 stop6h 52mUnited Airlines

Deal found 9/15

$363

Wed 12/103:17 pmCPR - BWI

1 stop5h 43mUnited Airlines

Sat 12/134:15 pmBWI - CPR

1 stop8h 00mUnited Airlines

Deal found 9/14

$368

Sat 9/2711:22 amCPR - IAD

1 stop6h 01mUnited Airlines

Wed 10/12:45 pmIAD - CPR

1 stop6h 02mUnited Airlines

Deal found 9/16

$368

Sat 12/135:30 amCPR - DCA

1 stop7h 21mUnited Airlines

Tue 12/164:05 pmDCA - CPR

1 stop8h 10mUnited Airlines

Deal found 9/16

$368

Sat 9/2711:22 amCPR - BWI

2 stops9h 36mUnited Airlines

Wed 10/110:51 amBWI - CPR

2 stops8h 02mUnited Airlines

Deal found 9/16

$403

Wed 10/151:32 pmCPR - BWI

1 stop7h 46mUnited Airlines

Sun 10/194:21 pmBWI - CPR

1 stop7h 51mUnited Airlines

Deal found 9/16

$405

Fri 9/261:32 pmCPR - BWI

1 stop7h 46mUnited Airlines

Sun 9/288:32 amBWI - CPR

1 stop6h 09mUnited Airlines

Deal found 9/17

$408

Sat 12/139:03 amCPR - BWI

2 stops10h 16mUnited Airlines

Tue 12/1610:20 amBWI - CPR

2 stops11h 07mUnited Airlines

Deal found 9/16

$444

Wed 10/111:22 amCPR - IAD

1 stop6h 01mUnited Airlines

Sun 10/52:45 pmIAD - CPR

1 stop7h 32mUnited Airlines

Deal found 9/15

$455

Fri 9/261:32 pmCPR - BWI

1 stop7h 46mUnited Airlines

Fri 10/38:32 amBWI - CPR

1 stop6h 09mUnited Airlines

Deal found 9/16

$458

Fri 9/263:12 pmCPR - IAD

1 stop6h 10mUnited Airlines

Tue 9/302:45 pmIAD - CPR

1 stop6h 02mUnited Airlines

Deal found 9/16

$458

Best flights from Casper to Washington, D.C.
Discover carefully curated flight deals from Casper to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2025.

Thu 10/231:32 pmCPR - IAD

1 stop7h 50mUnited Airlines

Sat 10/252:45 pmIAD - CPR

1 stop6h 02mUnited Airlines

Deal found 9/15

$343

Sat 11/81:25 pmCPR - IAD

1 stop5h 56mUnited Airlines

Mon 11/102:25 pmIAD - CPR

1 stop6h 52mUnited Airlines

Deal found 9/15

$363

Sat 12/131:30 pmCPR - BWI

1 stop7h 30mUnited Airlines

Tue 12/168:20 amBWI - CPR

1 stop8h 18mUnited Airlines

Deal found 9/16

$368

Sat 9/271:32 pmCPR - BWI

1 stop7h 46mUnited Airlines

Wed 10/14:21 pmBWI - CPR

1 stop5h 56mUnited Airlines

Deal found 9/16

$368

Wed 12/103:17 pmCPR - BWI

1 stop5h 43mUnited Airlines

Sat 12/134:15 pmBWI - CPR

1 stop8h 00mUnited Airlines

Deal found 9/14

$368

Sat 2/216:01 pmCPR - IAD

1 stop9h 08mUnited Airlines

Tue 2/245:19 pmIAD - CPR

1 stop6h 53mUnited Airlines

Deal found 9/14

$368

Sat 9/2711:22 amCPR - IAD

1 stop6h 01mUnited Airlines

Wed 10/12:45 pmIAD - CPR

1 stop6h 02mUnited Airlines

Deal found 9/16

$368

Sat 12/135:30 amCPR - DCA

1 stop7h 21mUnited Airlines

Tue 12/164:05 pmDCA - CPR

1 stop8h 10mUnited Airlines

Deal found 9/14

$368

Wed 10/151:32 pmCPR - BWI

1 stop7h 46mUnited Airlines

Sun 10/194:21 pmBWI - CPR

1 stop7h 51mUnited Airlines

Deal found 9/16

$405

Wed 10/111:22 amCPR - IAD

1 stop6h 01mUnited Airlines

Sun 10/52:45 pmIAD - CPR

1 stop7h 32mUnited Airlines

Deal found 9/15

$455

Sat 9/2711:22 amCPR - IAD

1 stop6h 01mUnited Airlines

Sat 10/412:35 pmIAD - CPR

1 stop6h 18mUnited Airlines

Deal found 9/16

$458

Thu 10/235:30 amCPR - DCA

2 stops14h 07mUnited Airlines

Sat 10/254:23 pmDCA - CPR

1 stop5h 54mUnited Airlines

Deal found 9/16

$557

Fri 10/108:55 amCPR - DCA

2 stops12h 55mUnited Airlines

Tue 10/146:25 amDCA - CPR

2 stops14h 22mUnited Airlines

Deal found 9/16

$622

Last-minute flights from Casper to Washington, D.C.
Discover last-minute flight deals from Casper to Washington, D.C.. Data last updated September 17, 2025 and is based on user searches.

Fri 9/261:32 pmCPR - BWI

1 stop7h 46mUnited Airlines

Sun 9/288:32 amBWI - CPR

1 stop6h 09mUnited Airlines

Deal found 9/17

$408

Fri 9/261:32 pmCPR - BWI

1 stop7h 46mUnited Airlines

Tue 9/304:21 pmBWI - CPR

1 stop5h 56mUnited Airlines

Deal found 9/16

$458

Fri 9/261:32 pmCPR - IAD

1 stop5h 35mUnited Airlines

Fri 10/32:45 pmIAD - CPR

1 stop6h 02mUnited Airlines

Deal found 9/16

$458

Fri 9/263:12 pmCPR - IAD

1 stop6h 10mUnited Airlines

Sun 9/288:30 amIAD - CPR

1 stop6h 11mUnited Airlines

Deal found 9/16

$498

Sat 9/271:32 pmCPR - BWI

1 stop7h 46mUnited Airlines

Wed 10/14:21 pmBWI - CPR

1 stop5h 56mUnited Airlines

Deal found 9/16

$368

Sat 9/2711:22 amCPR - IAD

1 stop6h 01mUnited Airlines

Wed 10/12:45 pmIAD - CPR

1 stop6h 02mUnited Airlines

Deal found 9/16

$368

Sat 9/275:30 amCPR - DCA

1 stop7h 37mUnited Airlines

Wed 10/14:23 pmDCA - CPR

1 stop5h 54mUnited Airlines

Deal found 9/16

$509

Sun 9/281:32 pmCPR - BWI

1 stop7h 46mUnited Airlines

Sat 10/410:10 amBWI - CPR

1 stop6h 27mUnited Airlines

Deal found 9/16

$564

Wed 10/111:22 amCPR - IAD

1 stop6h 01mUnited Airlines

Sun 10/52:45 pmIAD - CPR

1 stop7h 32mUnited Airlines

Deal found 9/15

$455

Wed 10/151:32 pmCPR - BWI

1 stop7h 46mUnited Airlines

Sun 10/194:21 pmBWI - CPR

1 stop7h 51mUnited Airlines

Deal found 9/16

$405

Thu 10/231:32 pmCPR - IAD

1 stop7h 50mUnited Airlines

Sat 10/252:45 pmIAD - CPR

1 stop6h 02mUnited Airlines

Deal found 9/15

$343

Thu 10/235:30 amCPR - DCA

2 stops14h 07mUnited Airlines

Sat 10/254:23 pmDCA - CPR

1 stop5h 54mUnited Airlines

Deal found 9/16

$557

Cheapflights Fare Finder

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

CasperWashington, D.C.

CPR - IAD

CPRIAD

Casper Natrona County

Thu 10/23

1:32 pm-11:22 pm

1 stop7h 50m

Washington, D.C. Dulles Intl

Sat 10/25

2:45 pm-6:47 pm

1 stop6h 02m

$343

CasperWashington, D.C.

CPR - IAD

CPRIAD

Casper Natrona County

Sat 11/8

1:25 pm-9:21 pm

1 stop5h 56m

Washington, D.C. Dulles Intl

Mon 11/10

2:25 pm-7:17 pm

1 stop6h 52m

$363

CasperBaltimore

CPR - BWI

CPRBWI

Casper Natrona County

Sat 12/13

1:30 pm-11:00 pm

1 stop7h 30m

Baltimore/Washington

Tue 12/16

8:20 am-2:38 pm

1 stop8h 18m

$368

CasperBaltimore

CPR - BWI

CPRBWI

Casper Natrona County

Sat 9/27

1:32 pm-11:18 pm

1 stop7h 46m

Baltimore/Washington

Wed 10/1

4:21 pm-8:17 pm

1 stop5h 56m

$368

CasperBaltimore

CPR - BWI

CPRBWI

Casper Natrona County

Wed 12/10

3:17 pm-11:00 pm

1 stop5h 43m

Baltimore/Washington

Sat 12/13

4:15 pm-10:15 pm

1 stop8h 00m

$368

CasperWashington, D.C.

CPR - IAD

CPRIAD

Casper Natrona County

Sat 2/21

6:01 pm-5:09 am

1 stop9h 08m

Washington, D.C. Dulles Intl

Tue 2/24

5:19 pm-10:12 pm

1 stop6h 53m

$368

CasperWashington, D.C.

CPR - IAD

CPRIAD

Casper Natrona County

Sat 9/27

11:22 am-7:23 pm

1 stop6h 01m

Washington, D.C. Dulles Intl

Wed 10/1

2:45 pm-6:47 pm

1 stop6h 02m

$368

CasperWashington, D.C.

CPR - DCA

CPRDCA

Casper Natrona County

Sat 12/13

5:30 am-2:51 pm

1 stop7h 21m

Washington, D.C. Reagan-National

Tue 12/16

4:05 pm-10:15 pm

1 stop8h 10m

$368

CasperBaltimore

CPR - BWI

CPRBWI

Casper Natrona County

Wed 10/15

1:32 pm-11:18 pm

1 stop7h 46m

Baltimore/Washington

Sun 10/19

4:21 pm-10:12 pm

1 stop7h 51m

$405

CasperWashington, D.C.

CPR - IAD

CPRIAD

Casper Natrona County

Wed 10/1

11:22 am-7:23 pm

1 stop6h 01m

Washington, D.C. Dulles Intl

Sun 10/5

2:45 pm-8:17 pm

1 stop7h 32m

$455

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 13 results

Best time to book a flight from Casper to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Casper 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 Casper to Washington, D.C.

No data available for this route at this time. Please check back soon.

Related info for your journey

What airport do you fly from for flights from Casper to Washington, D.C.?
Casper Natrona County (CPR) is the airport you will fly out of if you book a flight from Casper to Washington, D.C.. You should not have trouble finding flights to Washington, D.C. from Natrona County; the airport handles an average of 0 outbound flights to Washington, D.C. per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Casper airport to Washington, D.C.. It is only a 8.1 mi journey to Natrona County (CPR) from Casper’s city center.
How long is the flight from Casper to Washington, D.C.?
Departing from Casper to Washington, D.C. will take you 7h 50m. The distance from Casper to Washington, D.C. is about 1530 mi.
What are the most popular routes from Casper to Washington, D.C.?
The most popular flight routes from Casper to Washington, D.C. are Casper Natrona County - Washington, D.C. Reagan-National, Casper Natrona County - Baltimore/Washington and Casper Natrona County - Washington, D.C. Dulles Intl.
Can I find deals for flights from Casper to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Casper to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Casper to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Casper to Washington, D.C..
Can I find deals for business class flights from Casper to Washington, D.C.?
Yes. Cheapflights offers flight deals from Casper to Washington, D.C. 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 Casper to Washington, D.C.?
Currently, August is the cheapest month in which you can book a flight from Casper to Washington, D.C. (average of $292). Flying from Casper to Washington, D.C. in April is currently the most expensive (average of $337). 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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Top airline flying from Casper to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$368	Average$563	FlexibilityNo cancel fee	On-time69%

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$343+ Cheap flights from Casper (CPR) to Washington, D.C. (WAS)

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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.

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

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

Round-trip from

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

Cheapest flights from Casper to Washington, D.C.Explore the most affordable flight options available from Casper to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

Explore the most affordable flight options available from Casper to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Casper to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Casper with our price prediction graph.

Cheapflights Insights

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

Related info for your journey

Find useful and relevant information for your journey from Casper to Washington, D.C.. 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 from for flights from Casper to Washington, D.C.?

How long is the flight from Casper to Washington, D.C.?

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

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

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

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

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

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

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Alternative routes for Casper to Washington, D.C.

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

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Cheapest flights from Casper to Washington, D.C.
Explore the most affordable flight options available from Casper to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.