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

Currently priced at $368, United Airlines will fly you from Casper to Philadelphia and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip.

What is the cheapest month to book a flight from Casper to Philadelphia?

Currently, August is the cheapest month in which you can book a flight from Casper to Philadelphia (average of $236). Flying from Casper to Philadelphia in March is currently the most expensive (average of $295). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from Casper to Philadelphia?

Travelers seeking maximum savings on their Casper to Philadelphia flight should consider departing on Sunday mornings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.

If weather is an important factor for your trip to Philadelphia, 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 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

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

Monday is generally a great day to depart. Flying on this day could help you save up to 3%.

What is the cheapest time of day to fly from CPR to PHL?

A simple way to save on the total cost of your ticket is to fly from Casper to Philadelphia at noon. If you’re flexible enough to do this you can expect to save up to 7% on your trip compared to booking a flight in the morning.

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

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

How can I find direct flights from Casper to Philadelphia?

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

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

Yes. Cheapflights offers flight deals from Casper to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$337+ Flights from Casper to Philadelphia

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Cheap flight deals from Casper to Philadelphia

Round-trip from	$368 (United Airlines)
One-way from	$337 (United Airlines)

From Casper Natrona County to Philadelphia

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One-way flight from Casper Natrona County to Philadelphia

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Cheapest flights from Casper to Philadelphia
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 July 3, 2025.

Sat 12/1311:20 amCPR - PHL

1 stop9h 57mUnited Airlines

Tue 12/163:40 pmPHL - CPR

1 stop6h 47mUnited Airlines

Deal found 7/1

$368

Best flights from Casper to Philadelphia
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 July 3, 2025.

Sat 12/1311:20 amCPR - PHL

1 stop9h 57mUnited Airlines

Tue 12/163:40 pmPHL - CPR

1 stop6h 47mUnited Airlines

Deal found 7/1

$368

Last-minute flights from Casper to Philadelphia
Discover last-minute flight deals from Casper to Philadelphia. Data last updated July 3, 2025 and is based on user searches.

Tue 7/85:59 pmCPR - PHL

1 stop9h 38mUnited Airlines

Sun 7/138:00 amPHL - CPR

1 stop6h 39mUnited Airlines

Deal found 7/2

$533

One-way flights from Casper to Philadelphia
Search for one-way flight options from Casper to Philadelphia. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Wed 10/18:55 amCPR - PHL

1 stop8h 40mUnited Airlines

Deal found 7/1

$337

Cheapflights Fare Finder

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

Price

CasperPhiladelphia

CPR - PHL

CPRPHL

Casper Natrona County

Sat 12/13

11:20 am-11:17 pm

1 stop9h 57m

Philadelphia

Tue 12/16

3:40 pm-8:27 pm

1 stop6h 47m

$368

CasperPhiladelphia

CPR - PHL

CPRPHL

Casper Natrona County

Wed 10/1

8:55 am-7:35 pm

1 stop8h 40m

$337

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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.

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 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.

United Airlines

7.4

Good

8,845 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

United Airlines

7.4

Good

8,845 reviews

United Airlines

7.4

Good

8,845 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

What is the cheapest airline to fly from Casper to Philadelphia round-trip?
Currently priced at $368, United Airlines will fly you from Casper to Philadelphia and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip.
Can I find deals for flights from Casper to Philadelphia that include hotel bookings?
Yes. In addition to deals on Casper to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Casper to Philadelphia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Casper to Philadelphia.
Can I find deals for business class flights from Casper to Philadelphia?
Yes. Cheapflights offers flight deals from Casper to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Casper to Philadelphia?
Currently, August is the cheapest month in which you can book a flight from Casper to Philadelphia (average of $236). Flying from Casper to Philadelphia in March is currently the most expensive (average of $295). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top airline flying from Casper to Philadelphia

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$478	Average$624	FlexibilityNo cancel fee	On-time69%

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$337+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Casper to Philadelphia with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Casper to Philadelphia

Round-trip from

One-way from

Find flight deals from Casper to Philadelphia

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 July 3, 2025.

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 July 3, 2025.

Cheapflights Fare Finder

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

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.

Reviews of airlines servicing Philadelphia

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.

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.

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

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

How can I find direct flights from Casper to Philadelphia?

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

What is the cheapest month to book a flight from Casper to Philadelphia?

Traveling to a place near Casper?

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Alternative routes for Casper to Philadelphia

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Top airline flying from Casper to Philadelphia

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Cheapest flights from Casper to Philadelphia
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 July 3, 2025.