How long is the flight from Philadelphia to Casper?

There are many flights that can get you from Philadelphia to Casper in 6h 57m. 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 $368. This flight start at 41% 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Philadelphia-Casper flight deals on Cheapflights vs. eDreams >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 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 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.

$368+ Flights from Philadelphia to Casper

Q: How much does it cost to fly round-trip from Philadelphia to Casper?

Airfare is below average for this route at the moment. Philadelphia to Casper flights typically cost between $550 and $562 in January. The cheapest round-trip price found within the last 3 days was $368 on United Airlines (Jan 27-Jan 31).

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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 December 4, 2025.

Sat 12/133:35 pmPHL - CPR

1 stop8h 40mUnited Airlines

Thu 12/186:10 pmCPR - PHL

1 stop9h 22mUnited Airlines

Deal found 12/4

$483

Wed 12/248:27 amPHL - CPR

2 stops12h 34mUnited Airlines

Sun 12/286:10 pmCPR - PHL

1 stop9h 22mUnited Airlines

Deal found 12/4

$569

Fri 12/199:45 amPHL - CPR

1 stop11h 16mUnited Airlines

Tue 12/239:05 amCPR - PHL

2 stops13h 40mUnited Airlines

Deal found 12/4

$594

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 December 4, 2025.

Tue 1/273:43 pmPHL - CPR

1 stop6h 57mUnited Airlines

Sat 1/317:00 amCPR - PHL

1 stop6h 50mUnited Airlines

Deal found 12/2

$368

Thu 1/223:43 pmPHL - CPR

1 stop6h 57mUnited Airlines

Sun 1/2511:28 amCPR - PHL

1 stop10h 02mUnited Airlines

Deal found 12/3

$368

Wed 12/248:27 amPHL - CPR

2 stops12h 34mUnited Airlines

Sun 12/286:10 pmCPR - PHL

1 stop9h 22mUnited Airlines

Deal found 12/4

$569

Fri 12/199:45 amPHL - CPR

1 stop11h 16mUnited Airlines

Tue 12/239:05 amCPR - PHL

2 stops13h 40mUnited Airlines

Deal found 12/4

$594

Last-minute flights from Philadelphia to Casper
Discover last-minute flight deals from Philadelphia to Casper. Data last updated December 4, 2025 and is based on user searches.

Sat 12/133:35 pmPHL - CPR

1 stop8h 40mUnited Airlines

Thu 12/186:10 pmCPR - PHL

1 stop9h 22mUnited Airlines

Deal found 12/4

$483

Fri 12/199:45 amPHL - CPR

1 stop11h 16mUnited Airlines

Tue 12/239:05 amCPR - PHL

2 stops13h 40mUnited Airlines

Deal found 12/4

$594

Wed 12/248:27 amPHL - CPR

2 stops12h 34mUnited Airlines

Sun 12/286:10 pmCPR - PHL

1 stop9h 22mUnited Airlines

Deal found 12/4

$569

Thu 1/223:43 pmPHL - CPR

1 stop8h 31mUnited Airlines

Sun 1/256:04 pmCPR - PHL

2 stops13h 33mUnited Airlines

Deal found 12/4

$374

Tue 1/278:09 amPHL - CPR

1 stop8h 33mUnited Airlines

Sat 1/315:30 amCPR - PHL

1 stop8h 20mUnited Airlines

Deal found 12/3

$368

Find flight deals from Philadelphia to Casper

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$368 (United Airlines)
Popular in	May
Cheapest in	January
Average price	$556

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 ($118 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($41 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

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

Tue 1/27

3:43 pm-8:40 pm

1 stop6h 57m

Casper Natrona County

Sat 1/31

7:00 am-3:50 pm

1 stop6h 50m

$368

PhiladelphiaCasper

PHL - CPR

PHLCPR

Philadelphia

Thu 1/22

3:43 pm-8:40 pm

1 stop6h 57m

Casper Natrona County

Sun 1/25

11:28 am-11:30 pm

1 stop10h 02m

$368

PhiladelphiaCasper

PHL - CPR

PHLCPR

Philadelphia

Wed 12/24

8:27 am-7:01 pm

2 stops12h 34m

Casper Natrona County

Sun 12/28

6:10 pm-5:32 am

1 stop9h 22m

$569

PhiladelphiaCasper

PHL - CPR

PHLCPR

Philadelphia

Fri 12/19

9:45 am-7:01 pm

1 stop11h 16m

Casper Natrona County

Tue 12/23

9:05 am-12:45 am

2 stops13h 40m

$594

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Compare providers for flights from Philadelphia to Casper

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

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 Philadelphia-Casper flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Philadelphia-Casper flight deals on Cheapflights vs. eDreams >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 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 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.

Cheapflights Insights

Everything you need to know about your flight from Philadelphia to Casper

How much does it cost to fly round-trip from Philadelphia to Casper?

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

9,066 reviews

Reviews

1 / 20

10.0

Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

United Airlines

7.4

Good

9,066 reviews

United Airlines

7.4

Good

9,066 reviews

Reviews

1 / 20

10.0

Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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 6h 57m. 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 $368. This flight start at 41% 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

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Top airline flying from Philadelphia to Casper

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$368	Average$562	FlexibilityNo cancel fee	On-time69%

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$368+ 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 1/27. 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 December 4, 2025.

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 December 4, 2025.

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.

Compare providers for flights from Philadelphia 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 Philadelphia to Casper in December.

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.

Cheapflights Insights

Everything you need to know about your flight from Philadelphia to Casper

How much does it cost to fly round-trip from Philadelphia to Casper?

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

100% Free

Book with Flexibility

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 December 4, 2025.