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$348+ 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — CPR
Feb 5 — Feb 121
Thu 2/5
Thu 2/12
1 adult, Economy
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Cheap flight deals from Philadelphia to Casper

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Casper (CPR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 6, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$348
(United Airlines)

Popular in

May

Cheapest in

January

Average price

$493
Provider with most accurate pricing for Philadelphia-Casper Natrona County flight deals.
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Provider most trusted by Cheapflights users for Philadelphia-Casper Natrona County flights.
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From Philadelphia to Casper Natrona County
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Highest demand for flights based on searches. 13% potential increase in price ($102 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find 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 6, 2026.

This United Airlines deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/213:43 pmPHL - CPR
1 stop6h 57mUnited Airlines
Sun 1/253:17 pmCPR - PHL
1 stop6h 13mUnited Airlines
Deal found 1/6$348
This United Airlines deal was found by Cheapflights users on 1/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/203:43 pmPHL - CPR
1 stop8h 31mUnited Airlines
Sat 1/243:17 pmCPR - PHL
1 stop6h 13mUnited Airlines
Deal found 1/3$413
This United Airlines deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2210:10 amPHL - CPR
2 stops10h 56mUnited Airlines
Sun 1/256:04 pmCPR - PHL
2 stops13h 33mUnited Airlines
Deal found 1/6$449
This United Airlines deal was found by Cheapflights users on 1/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/710:00 amPHL - CPR
1 stop10h 32mUnited Airlines
Wed 7/226:01 pmCPR - PHL
1 stop9h 15mUnited Airlines
Deal found 1/4$458
This United Airlines deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/1510:00 amPHL - CPR
1 stop10h 56mUnited Airlines
Mon 5/186:01 pmCPR - PHL
2 stops13h 57mUnited Airlines
Deal found 1/6$464
This United Airlines deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1611:36 amPHL - CPR
2 stops12h 36mUnited Airlines
Mon 5/186:01 pmCPR - PHL
2 stops13h 57mUnited Airlines
Deal found 1/6$469

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia to Casper that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 6, 2026.
Use the filters below to find and compare flights from Philadelphia to Casper that are best for you.

Fly from

Philadelphia

Fly to

Casper

Route

Depart

Return

Price

PhiladelphiaCasper

PHL - CPR

PHLCPR

Philadelphia

Wed 1/21

3:43 pm-8:40 pm

1 stop6h 57m

Casper Natrona County

Sun 1/25

3:17 pm-11:30 pm

1 stop6h 13m

$348

PhiladelphiaCasper

PHL - CPR

PHLCPR

Philadelphia

Tue 1/20

3:43 pm-10:14 pm

1 stop8h 31m

Casper Natrona County

Sat 1/24

11:28 am-11:30 pm

1 stop10h 02m

$438

PhiladelphiaCasper

PHL - CPR

PHLCPR

Philadelphia

Thu 1/22

3:43 pm-10:14 pm

1 stop8h 31m

Casper Natrona County

Sun 1/25

1:16 pm-11:30 pm

1 stop8h 14m

$438

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

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 January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust 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.

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 January 6, 2026.
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
9,132 reviews

Food

6.6

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
United Airlines
7.4
Good
9,132 reviews
United Airlines
7.4
Good
9,132 reviews

Food

6.6

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

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?

    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 $372. 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

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Top airline flying from Philadelphia to Casper

Discover the top airline that operate flights from Philadelphia to Casper. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$372Average$630FlexibilityNo cancel feeOn-time69%

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