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

Airlines like United Airlines fly from Washington, D.C. Dulles Intl Airport to Casper in about 8h 14m. The time it takes to get you to your destination can typically vary by up to . The distance from Washington, D.C. Dulles Intl Airport to Casper is about 1530 mi.

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 is the cheapest time of day to fly from IAD to CPR?

When flying from Washington, D.C. Dulles Intl Airport to Casper, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-Casper flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Dulles Intl Airport-Casper flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Casper flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-Casper flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Casper flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

If you book a flight to Casper from Washington, D.C. Dulles Intl, 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. Dulles Intl to Natrona County per day from 0 different airlines.

Can I find deals for flights from Dulles Intl to Casper that include hotel bookings?

Yes. In addition to deals on Dulles Intl to Casper flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Dulles Intl to Casper?

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

Can I find deals for business class flights from Dulles Intl to Casper?

Yes. Cheapflights offers flight deals from Dulles Intl 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.

$368+ Flights from Washington, D.C. Dulles Intl Airport to Casper

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Find flight deals from Dulles Intl to Casper

Cheapest flights from Dulles Intl to Casper
Explore the most affordable flight options available from Dulles Intl to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2025.

Sat 12/135:25 pmIAD - CPR

1 stop6h 50mUnited Airlines

Tue 12/169:03 amCPR - IAD

1 stop5h 27mUnited Airlines

Deal found 11/19

$368

Best flights from Dulles Intl to Casper
Discover carefully curated flight deals from Dulles Intl to Casper that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 21, 2025.

Sat 2/282:12 pmIAD - CPR

1 stop8h 14mUnited Airlines

Tue 3/39:00 amCPR - IAD

1 stop5h 37mUnited Airlines

Deal found 11/18

$368

Sat 12/135:25 pmIAD - CPR

1 stop6h 50mUnited Airlines

Tue 12/169:03 amCPR - IAD

1 stop5h 27mUnited Airlines

Deal found 11/19

$368

Last-minute flights from Dulles Intl to Casper
Discover last-minute flight deals from Dulles Intl to Casper. Data last updated November 21, 2025 and is based on user searches.

Sat 12/135:25 pmIAD - CPR

1 stop6h 50mUnited Airlines

Tue 12/169:03 amCPR - IAD

1 stop5h 27mUnited Airlines

Deal found 11/19

$368

Cheap flight deals from Dulles Intl to Casper

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$368 (United Airlines)

Provider with most accurate pricing for Washington, D.C. Dulles Intl-Casper Natrona County flight deals.

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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Casper Natrona County flights.

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From Washington, D.C. Dulles Intl to Casper Natrona County

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport 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

Sat 2/28

2:12 pm-8:26 pm

1 stop8h 14m

Casper Natrona County

Tue 3/3

9:00 am-4:37 pm

1 stop5h 37m

$368

Washington, D.C.Casper

IAD - CPR

IADCPR

Washington, D.C. Dulles Intl

Sat 12/13

5:25 pm-10:15 pm

1 stop6h 50m

Casper Natrona County

Tue 12/16

9:03 am-4:30 pm

1 stop5h 27m

$368

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Compare providers for flights from Dulles Intl to Casper

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Casper in November.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Casper flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Dulles Intl Airport-Casper flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Casper flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Casper flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Casper flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dulles Intl to Casper

Have a flexible travel schedule? Discover the best time to fly to Casper from Dulles Intl 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.

Related info for your journey

What airport do you fly into for flights to Casper from Washington, D.C. Dulles Intl?
If you book a flight to Casper from Washington, D.C. Dulles Intl, 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. Dulles Intl to Natrona County per day from 0 different airlines.
How long is the flight from Washington, D.C. Dulles Intl Airport to Casper?
Airlines like United Airlines fly from Washington, D.C. Dulles Intl Airport to Casper in about 8h 14m. The time it takes to get you to your destination can typically vary by up to . The distance from Washington, D.C. Dulles Intl Airport to Casper is about 1530 mi.
Can I find deals for flights from Dulles Intl to Casper that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Casper flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Casper?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Casper.
Can I find deals for business class flights from Dulles Intl to Casper?
Yes. Cheapflights offers flight deals from Dulles Intl 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.

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$368+ Cheap flights from Dulles Intl (IAD) 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 12/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Casper with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Dulles Intl to Casper

Cheapest flights from Dulles Intl to CasperExplore the most affordable flight options available from Dulles Intl to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2025.

Explore the most affordable flight options available from Dulles Intl to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2025.

Cheap flight deals from Dulles Intl to Casper

Most accurate provider

Most trusted provider

Round-trip from

Cheapflights Fare Finder

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

Compare providers for flights from Dulles Intl to Casper

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Casper in November.

Best time to book a flight from Dulles Intl to Casper

Have a flexible travel schedule? Discover the best time to fly to Casper from Dulles Intl with our price prediction graph.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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. Dulles Intl?

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

Can I find deals for flights from Dulles Intl to Casper that include hotel bookings?

How can I find direct flights from Dulles Intl to Casper?

Can I find deals for business class flights from Dulles Intl to Casper?

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Cheapest flights from Dulles Intl to Casper
Explore the most affordable flight options available from Dulles Intl to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2025.