$373+ Cheap flights from Casper to Philadelphia (CPR - PHL)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
CPR — PHL
Sep 17 — Sep 241
Round-trip
1 adult, Economy
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Find cheap flights from Casper to Philadelphia with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Casper to Philadelphia
Cheapest
Best
Last-minute
One-way
Cheapest flights from Casper to PhiladelphiaExplore the most affordable flight options available from Casper to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2026.
Explore the most affordable flight options available from Casper to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2026.
This United Airlines deal was found by Cheapflights users on 8/17. 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 10/2411:23 am -
1 stop9h 57m
Wed 10/283:35 pm -
1 stop6h 57m
Deal found 8/17![United Airlines logo]()
$448
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Sun 8/306:05 pm -
1 stop23h 20m
Thu 9/38:00 am -
1 stop6h 45m
Deal found 8/17![United Airlines logo]()
$1,016
Best flights from Casper to PhiladelphiaDiscover carefully curated flight deals from Casper to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 18, 2026.
Discover carefully curated flight deals from Casper to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 18, 2026.
This United Airlines deal was found by Cheapflights users on 8/13. 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 10/247:15 am -
1 stop10h 18m
Wed 10/2810:00 am -
1 stop6h 38m
Deal found 8/13![United Airlines logo]()
$448
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Sun 8/306:05 pm -
1 stop23h 20m
Thu 9/38:00 am -
1 stop6h 45m
Deal found 8/17![United Airlines logo]()
$1,016
Last-minute flights from Casper to PhiladelphiaDiscover last-minute flight deals from Casper to Philadelphia. Data last updated August 18, 2026 and is based on user searches.
Discover last-minute flight deals from Casper to Philadelphia. Data last updated August 18, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Sun 8/306:05 pm -
1 stop23h 20m
Thu 9/38:00 am -
1 stop6h 45m
Deal found 8/17![United Airlines logo]()
$1,016
One-way flights from Casper to PhiladelphiaSearch for one-way flight options from Casper to Philadelphia. Find affordable one-way fares based on user searches. Data last updated August 18, 2026.
Search for one-way flight options from Casper to Philadelphia. Find affordable one-way fares based on user searches. Data last updated August 18, 2026.
This United Airlines deal was found by Cheapflights users on 8/16. 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.
Sun 9/61:26 pm -
1 stop8h 18m
Deal found 8/16![United Airlines logo]()
$373
Find flight deals from Casper to Philadelphia
Discover tips and strategies to find the most affordable flight options for your journey from Casper (CPR) to Philadelphia (PHL). 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 August 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $383 (United Airlines) |
One-way from | $373 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Casper to Philadelphia 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 August 18, 2026.
Use the filters below to find and compare flights from Casper to Philadelphia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
CasperPhiladelphia
CPR Casper Natrona County - PHL Philadelphia
CPRPHL
Casper Natrona County
Sat 10/24
7:15 am-7:33 pm
1 stop10h 18m
Philadelphia
Wed 10/28
10:00 am-2:38 pm
1 stop6h 38m
$448
CasperPhiladelphia
CPR Casper Natrona County - PHL Philadelphia
CPRPHL
Casper Natrona County
Sun 8/30
6:05 pm-7:25 pm
1 stop23h 20m
Philadelphia
Thu 9/3
8:00 am-12:45 pm
1 stop6h 45m
$1,016
Cheapest one-way
Quickest one-way
CasperPhiladelphia
CPR Casper Natrona County - PHL Philadelphia
CPRPHL
Casper Natrona County
Sun 9/6
1:26 pm-11:44 pm
1 stop8h 18m
$373
Sorted by cheapest first
Compare providers for flights from Casper to Philadelphia
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 Casper to Philadelphia in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Casper-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Casper-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Casper-Philadelphia flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Casper-Philadelphia 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 Casper-Philadelphia 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 Casper to Philadelphia
Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Casper with our price prediction graph.
CPR-PHL
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 Philadelphia
Get insights into the airlines that provide service to Philadelphia. 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 Philadelphia. Reviews last updated August 18, 2026.
Get a feel of what it's like to fly with United Airlines from Casper to Philadelphia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.1
Comfort
7.3
Overall
7.4
Food
6.7
Crew
8.1
Boarding
7.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Entertainment
7.1
Comfort
7.3
Overall
7.4
Food
6.7
Crew
8.1
Boarding
7.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Related info for your journey
Find useful and relevant information for your journey from Casper to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Philadelphia?
Book flights to Philadelphia if you plan to visit one of these locationsWildwood
King of Prussia
Reading
Camden
Wildwood Crest
Ocean City
Cherry Hill
Lewes
Plymouth Meeting
Wyomissing
Pottstown
Ephrata
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Vineland
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Casper and Philadelphia flights
Browse other Casper and Philadelphia flight options. Last updated on August 18, 2026.
Other flights from Casper
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Top airline flying from Casper to Philadelphia
Discover the top airline that operate flights from Casper to Philadelphia. 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 August 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$348 | Average$533 | FlexibilityNo cancel fee | On-time69% |