How long is the flight from Philadelphia to Casper?

There are many flights that can get you from Philadelphia to Casper in 9h 37m. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 1621 mi.

What is the cheapest airline to fly from Philadelphia to Casper round-trip?

Cheapflights users have booked flights from Philadelphia to Casper round-trip from $372. This flight start at 40% lower than the current average price 3 months from now.

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 PHL to CPR?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Philadelphia to Casper as you normally would.

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

Most trusted provider : When it comes to deals on Philadelphia-Casper flights, Cheapflights users trust FlightHub the most. FlightHub 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 Philadelphia-Casper flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

How can I find direct flights from Philadelphia to Casper?

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

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

Yes. Cheapflights offers flight deals from Philadelphia 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.

$388+ Flights from Philadelphia to Casper

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Cheap flight deals from Philadelphia to Casper

Cheapest flights from Philadelphia to Casper
Explore the most affordable flight options available from Philadelphia to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

Tue 10/2710:00 am

PHL

CPR

1 stop10h 37m

United Airlines

Sat 10/313:15 pm

CPR

PHL

1 stop5h 31m

United Airlines

Deal found 1/26

$388

Tue 8/410:00 am

PHL

CPR

1 stop10h 32m

United Airlines

Tue 8/111:25 pm

CPR

PHL

1 stop7h 16m

United Airlines

Deal found 1/26

$458

Thu 1/298:09 am

PHL

CPR

1 stop6h 26m

United Airlines

Sat 1/313:17 pm

CPR

PHL

1 stop6h 13m

United Airlines

Deal found 1/25

$508

Fri 5/159:55 am

PHL

CPR

1 stop11h 02m

United Airlines

Mon 5/187:10 am

CPR

PHL

1 stop10h 27m

United Airlines

Deal found 1/26

$563

Sat 5/166:10 am

PHL

CPR

2 stops14h 47m

United Airlines

Mon 5/187:10 am

CPR

PHL

1 stop10h 27m

United Airlines

Deal found 1/26

$569

Best flights from Philadelphia to Casper
Discover carefully curated flight deals from Philadelphia to Casper that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 27, 2026.

Sat 5/169:55 am

PHL

CPR

1 stop9h 37m

United Airlines

Mon 5/187:10 am

CPR

PHL

1 stop10h 27m

United Airlines

Deal found 1/25

$563

Fri 5/159:55 am

PHL

CPR

1 stop11h 02m

United Airlines

Mon 5/187:10 am

CPR

PHL

1 stop10h 27m

United Airlines

Deal found 1/25

$563

Thu 6/2510:00 am

PHL

CPR

1 stop10h 32m

United Airlines

Sun 7/55:30 am

CPR

PHL

2 stops14h 02m

United Airlines

Deal found 1/25

$689

Last-minute flights from Philadelphia to Casper
Discover last-minute flight deals from Philadelphia to Casper. Data last updated January 27, 2026 and is based on user searches.

Thu 1/298:09 am

PHL

CPR

1 stop6h 26m

United Airlines

Sat 1/313:17 pm

CPR

PHL

1 stop6h 13m

United Airlines

Deal found 1/25

$508

Find flight deals from Philadelphia to Casper

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$563 (United Airlines)
Popular in	May
Cheapest in	August
Average price	$493

Provider with most accurate pricing for Philadelphia-Casper Natrona County flight deals.

Search Deals

Provider most trusted by Cheapflights users for Philadelphia-Casper Natrona County flights.

Search Deals

From Philadelphia to Casper Natrona County

Search Deals

Highest demand for flights based on searches. 16% potential increase in price ($120 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($37 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in January 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Philadelphia to Casper that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaCasper

PHL - CPR

PHLCPR

Philadelphia

Sat 5/16

9:55 am-5:32 pm

1 stop9h 37m

Casper Natrona County

Mon 5/18

7:10 am-7:37 pm

1 stop10h 27m

$563

PhiladelphiaCasper

PHL - CPR

PHLCPR

Philadelphia

Fri 5/15

9:55 am-6:57 pm

1 stop11h 02m

Casper Natrona County

Mon 5/18

7:10 am-7:37 pm

1 stop10h 27m

$563

PhiladelphiaCasper

PHL - CPR

PHLCPR

Philadelphia

Thu 6/25

10:00 am-6:32 pm

1 stop10h 32m

Casper Natrona County

Sun 7/5

5:30 am-9:32 pm

2 stops14h 02m

$689

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

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

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

Reviews of airlines servicing Casper

Get a feel of what it's like to fly with United Airlines from Philadelphia 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

9,205 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

United Airlines

7.4

Good

9,205 reviews

United Airlines

7.4

Good

9,205 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

How long is the flight from Philadelphia to Casper?
There are many flights that can get you from Philadelphia to Casper in 9h 37m. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 1621 mi.
What is the cheapest airline to fly from Philadelphia to Casper round-trip?
Cheapflights users have booked flights from Philadelphia to Casper round-trip from $372. This flight start at 40% lower than the current average price 3 months from now.
Can I find deals for flights from Philadelphia to Casper that include hotel bookings?
Yes. In addition to deals on Philadelphia to Casper flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Philadelphia to Casper?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Casper.
Can I find deals for business class flights from Philadelphia to Casper?
Yes. Cheapflights offers flight deals from Philadelphia 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Philadelphia to Casper

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Top airline flying from Philadelphia to Casper

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$372	Average$609	FlexibilityNo cancel fee	On-time69%

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$388+ Cheap flights from Philadelphia to Casper (PHL - 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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Philadelphia to Casper with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Philadelphia to Casper

Cheapest flights from Philadelphia to CasperExplore the most affordable flight options available from Philadelphia to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

Explore the most affordable flight options available from Philadelphia to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

Find flight deals from Philadelphia to Casper

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Philadelphia to Casper that are best for you.

Best time to book a flight from Philadelphia to Casper

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

Reviews of airlines servicing Casper

Get a feel of what it's like to fly with United Airlines from Philadelphia 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 Philadelphia to Casper. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Philadelphia to Casper?

What is the cheapest airline to fly from Philadelphia to Casper round-trip?

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

How can I find direct flights from Philadelphia to Casper?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Philadelphia to Casper

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Philadelphia to Casper

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Travel Smart

Cheapest flights from Philadelphia to Casper
Explore the most affordable flight options available from Philadelphia to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.