Popular airlines from Philadelphia Intl. Airport (PHL) to Casper, WY (CPR-Natrona County Intl.)
UnitedUnited
- Plan, book, fly with confidence
- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 30% on select hotels after you book a flight*
Cheap Flights from Philadelphia to Casper (PHL-CPR)
Prices were available within the past 7 days and start at $315 for one-way flights and $284 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Frequently asked questions
Travel information
Travel information
Origin airport | Philadelphia Intl. |
Destination airport | Natrona County Intl. |
Airlines serving | United |
Roundtrip price | $283 |
Distance | 1622 mi |
Book with confidence
Book with confidence
The cheapest times to fly from Philadelphia to Casper
On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Philadelphia to Casper are during the month of August. You can find some of the cheapest flights from Philadelphia to Casper with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Philadelphia to Casper
Sunday is one of the best days to book for cheap flights from Philadelphia to Casper: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.
How to find cheap round-trip tickets from Philadelphia to Casper
Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Philadelphia to Casper in 2025. You can also book with separate airlines for your outbound and return journeys, from $315 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.
Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Philadelphia to Casper flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.
You could also save big by booking one of Expedia's vacation packages. Bundling together your Philadelphia to Casper airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.
*Terms apply.
Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.
Be inspired and discover more with Expedia
Be inspired and discover more with Expedia
Flights
- United Philadelphia (PHL) to New Orleans (MSY) flights
- Spirit Airlines Philadelphia (PHL) to Houston (IAH) flights
- Frontier Airlines Philadelphia (PHL) to Denver (DEN) flights
- Frontier Airlines Philadelphia (PHL) to Miami (MIA) flights
- American Airlines Philadelphia (PHL) to Montego Bay (MBJ) flights
- United Philadelphia (PHL) to Phoenix (PHX) flights
- United Denver (DEN) to Casper (CPR) flights
- United Seattle (SEA) to Casper (CPR) flights
- JetBlue Airways Philadelphia (PHL) to Boston (BOS) flights
- JetBlue Airways Philadelphia (PHL) to Los Angeles (LAX) flights
- Frontier Airlines Philadelphia (PHL) to Tampa (TPA) flights
- Frontier Airlines Philadelphia (PHL) to Dallas (DFW) flights
- Spirit Airlines
- Alaska Airlines
- Air Canada
- Delta
- Qatar Airways
- Iberia
- Finnair
- Aer Lingus
- British Airways
- United
- Frontier Airlines
- Lufthansa
- Aeromexico
- JetBlue Airways
- American Airlines
- Sun Country Airlines
- Flights to Chicago
- Flights to Houston
- Flights to Los Angeles
- Flights to Honolulu
- Flights to San Antonio
- Flights to Las Vegas
- Flights to Key West
- Flights to Atlanta
- Flights to Gatlinburg
- Flights to Nashville
- Flights to San Francisco
- Flights to Miami
- Flights to New York
- Flights to Boston
- Flights to New Orleans
- Flights to San Diego
- Flights to Fort Lauderdale
- Flights to Washington
- Flights to Pigeon Forge
- Flights to Orlando
- Flights from Mercer
- Flights from Lancaster
- Flights from Wings Field
- Flights from Northeast Philadelphia
- Flights from Millville Municipal
- Flights from Central Jersey Regional
- Flights from Lehigh Valley Intl.
- Flights from Atlantic City Intl.
- Flights from Princeton
- Flights from Reading Regional
- Flights from Philadelphia (PHL) to New Orleans (MSY)
- Flights from Philadelphia (PHL) to Punta Cana (PUJ)
- Flights from Philadelphia (PHL) to Houston (IAH)
- Flights from New York (NYC) to Atlanta (ATL)
- Flights from Philadelphia (PHL) to Denver (DEN)
- Flights from Los Angeles (LAX) to Seattle (SEA)
- Flights from Dallas (DFW) to Cancun (CUN)
- Flights from Philadelphia (PHL) to Fort Lauderdale (FLL)
- Flights from Los Angeles (LAX) to New York (NYC)
- Flights from Miami (MIA) to New York (NYC)
- Flights from Atlanta (ATL) to New York (NYC)
- Flights from Dallas (DFW) to New York (NYC)
- Flights from Boston (BOS) to Miami (MIA)
- Flights from Philadelphia (PHL) to Miami (MIA)
- Flights from Philadelphia (PHL) to Montego Bay (MBJ)
- Flights from Seattle (SEA) to Phoenix (PHX)
- Flights from Philadelphia (PHL) to Phoenix (PHX)
- Flights from Dallas (DFW) to Chicago (ORD)
- Flights from Dallas (DFW) to Orlando (MCO)
- Flights from Boston (BOS) to Orlando (MCO)
- Flights from Philadelphia (PHL) to Orlando (MCO)
- Flights from Denver (DEN) to Las Vegas (LAS)
- Flights from Portland (PDX) to Las Vegas (LAS)
- Flights from Dallas (DFW) to Las Vegas (LAS)
- Flights from Minneapolis (MSP) to Las Vegas (LAS)
- Flights from Atlanta (ATL) to Las Vegas (LAS)
- Flights from Chicago (ORD) to Las Vegas (LAS)
- Flights from Houston (IAH) to Las Vegas (LAS)
- Flights from New York (NYC) to Las Vegas (LAS)
- Flights from Los Angeles (LAX) to Las Vegas (LAS)
- Flights from Detroit (DTW) to Las Vegas (LAS)
- Flights from San Francisco (SFO) to Las Vegas (LAS)
- Flights from Seattle (SEA) to Las Vegas (LAS)
- Flights from Phoenix (PHX) to Casper (CPR)
- Flights from San Antonio (SAT) to Casper (CPR)
- Flights from Minneapolis (MSP) to Casper (CPR)
- Flights from Evansville (EVV) to Casper (CPR)
- Flights from San Diego (SAN) to Casper (CPR)
- Flights from St. George (SGU) to Casper (CPR)
- Flights from Boston (BOS) to Casper (CPR)
- Flights from Omaha (OMA) to Casper (CPR)
- Flights from Chicago (ORD) to Casper (CPR)
- Flights from Detroit (DTW) to Casper (CPR)
- Flights from Los Angeles (LAX) to Casper (CPR)
- Flights from Newark Liberty Intl. Airport (EWR) to Casper (CPR)
- Flights from Philadelphia (PHL) to Boston (BOS)
- Flights from Philadelphia (PHL) to Los Angeles (LAX)
- Flights from New York (NYC) to Los Angeles (LAX)
- Flights from Dallas (DFW) to Los Angeles (LAX)
- Flights from Seattle (SEA) to Los Angeles (LAX)
- Flights from Las Vegas (LAS) to Los Angeles (LAX)
- Flights from Philadelphia (PHL) to Tampa (TPA)
- Flights from Philadelphia (PHL) to Dallas (DFW)
- Flights from Los Angeles (LAX) to Dallas (DFW)