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

Flying on United Airlines is currently your cheapest option to Casper, with prices starting at $314. United Airlines is priced at 43% lower than the current average price of a flight leaving 3 months from now.

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

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

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 day to fly round-trip from Phoenix to Casper?

It’s generally more expensive to depart on a Friday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

What is the cheapest month to fly from Phoenix to Casper?

May can be a great time to fly to Casper from Phoenix with a flight ticket averaging about $551. Cheapflights users have found deals in the month of May for as cheap as $313. The most expensive prices can be found in the month of January.

What airport do you fly into for flights to Casper from Phoenix?

If you book a flight to Casper from Phoenix, you will be flying to Natrona County, which is the city’s only airport. Casper Natrona County (CPR) is located 8.1 mi from the center of Casper. There are 0 flights from Phoenix to Natrona County per day from 1 airline.

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

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

How can I find direct flights from Phoenix to Casper?

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

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

Yes. Cheapflights offers flight deals from Phoenix 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.

$233+ Flights from Phoenix to Casper

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Cheap flight deals from Phoenix to Casper

Round-trip from	$314 (United Airlines)
One-way from	$233 (United Airlines)
Popular in	January
Cheapest in	May
Average price	$551

From Phoenix to Casper Natrona County

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One-way flight from Phoenix to Casper Natrona County

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Highest demand for flights based on searches. 18% potential increase in price ($128 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($32 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from Phoenix to Casper

Cheapest flights from Phoenix to Casper
Explore the most affordable flight options available from Phoenix to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Sat 9/2710:41 amPHX - CPR

2 stops8h 36mUnited Airlines

Mon 9/296:00 pmCPR - PHX

1 stop4h 57mUnited Airlines

Deal found 7/30

$314

Best flights from Phoenix to Casper
Discover carefully curated flight deals from Phoenix to Casper that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 31, 2025.

Sat 9/2710:41 amPHX - CPR

2 stops8h 36mUnited Airlines

Mon 9/296:00 pmCPR - PHX

1 stop4h 57mUnited Airlines

Deal found 7/30

$314

Last-minute flights from Phoenix to Casper
Discover last-minute flight deals from Phoenix to Casper. Data last updated July 31, 2025 and is based on user searches.

Fri 8/294:28 pmPHX - CPR

1 stop4h 46mUnited Airlines

Fri 9/55:50 pmCPR - PHX

1 stop5h 12mUnited Airlines

Deal found 7/31

$353

One-way flights from Phoenix to Casper
Search for one-way flight options from Phoenix to Casper. Find affordable one-way fares based on user searches. Data last updated July 31, 2025.

Mon 9/1511:45 amPHX - CPR

1 stop6h 24mUnited Airlines

Deal found 7/30

$233

Fly from

Fly to

Route

Depart

Return

Price

PhoenixCasper

PHX - CPR

PHXCPR

Phoenix Sky Harbor Intl

Sat 9/27

10:41 am-8:17 pm

2 stops8h 36m

Casper Natrona County

Mon 9/29

6:00 pm-9:57 pm

1 stop4h 57m

$314

PhoenixCasper

PHX - CPR

PHXCPR

Phoenix Sky Harbor Intl

Mon 9/15

11:45 am-7:09 pm

1 stop6h 24m

$233

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Best time to book a flight from Phoenix to Casper

Have a flexible travel schedule? Discover the best time to fly to Casper from Phoenix 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 Phoenix to Casper

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

Currently, January is the cheapest month in which you can book a flight from Phoenix to Casper (average of $348). Flying from Phoenix to Casper in June is currently the most expensive (average of $504). 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 time of day to fly from PHX to CPR?

It’s typically best to fly out from Phoenix to Casper in the afternoon. Doing so could potentially save you 25% on the flight price compared to flying at noon, which is usually more expensive.

Reviews of airlines servicing Casper

Peruse reviews from past customers who have flown with United Airlines from Phoenix to Casper to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,900 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

8,900 reviews

United Airlines

7.4

Good

8,900 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 airport do you fly into for flights to Casper from Phoenix?
If you book a flight to Casper from Phoenix, you will be flying to Natrona County, which is the city’s only airport. Casper Natrona County (CPR) is located 8.1 mi from the center of Casper. There are 0 flights from Phoenix to Natrona County per day from 1 airline.
What is the cheapest airline to fly from Phoenix to Casper round-trip?
Flying on United Airlines is currently your cheapest option to Casper, with prices starting at $314. United Airlines is priced at 43% lower than the current average price of a flight leaving 3 months from now.
Can I find deals for flights from Phoenix to Casper that include hotel bookings?
Yes. In addition to deals on Phoenix to Casper flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Phoenix to Casper?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Phoenix to Casper.
Can I find deals for business class flights from Phoenix to Casper?
Yes. Cheapflights offers flight deals from Phoenix 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.
What is the cheapest month to book a flight from Phoenix to Casper?
Currently, January is the cheapest month in which you can book a flight from Phoenix to Casper (average of $348). Flying from Phoenix to Casper in June is currently the most expensive (average of $504). 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.

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Alternative routes for Phoenix to Casper

Top airline flying from Phoenix to Casper

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$308	Average$499	FlexibilityNo cancel fee	On-time69%

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$233+ Cheap flights from Phoenix to Casper (CPR)

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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Phoenix to Casper with Cheapflights

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2. Select your favorite providers

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Cheap flight deals from Phoenix to Casper

Round-trip from

One-way from

Popular in

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Find flight deals from Phoenix to Casper

Cheapest flights from Phoenix to CasperExplore the most affordable flight options available from Phoenix to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Explore the most affordable flight options available from Phoenix to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Phoenix to Casper

Have a flexible travel schedule? Discover the best time to fly to Casper from Phoenix with our price prediction graph.

Cheapflights Insights

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

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

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

Find hourly flight availability from Phoenix to Casper. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

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 July 31, 2025.

Peruse reviews from past customers who have flown with United Airlines from Phoenix to Casper to help guide your decision. You can also see how each airline stacks up 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 Phoenix to Casper. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Casper from Phoenix?

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

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

How can I find direct flights from Phoenix to Casper?

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

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

Traveling to a place near Casper?

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Alternative routes for Phoenix to Casper

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Top airline flying from Phoenix to Casper

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Cheapest flights from Phoenix to Casper
Explore the most affordable flight options available from Phoenix to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.