$273 Cheap Flights from Phoenix (PHX) to Casper (CPR)

View $273 flight on Thu, May 28, 2026Opens in a new window

Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to Casper, WY (CPR-Natrona County Intl.)

Cheap Flights from Phoenix to Casper (PHX-CPR)

Prices were available within the past 7 days and start at $273 for one-way flights and $318 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, May 27 - Sat, May 30
PHX
Phoenix
CPR
Casper
$318 Roundtrip, found 16 hours ago
$318
Roundtrip
found 16 hours ago
Select United flight, departing Wed, May 27 from Phoenix to Casper, returning Sat, May 30, priced at $318 found 16 hours ago
United
Fri, Apr 24 - Sat, Apr 25
PHX
Phoenix
CPR
Casper
$320 Roundtrip, found 5 days ago
$320
Roundtrip
found 5 days ago
Select United flight, departing Fri, Apr 24 from Phoenix to Casper, returning Sat, Apr 25, priced at $320 found 5 days ago
United
Thu, May 7 - Mon, May 11
PHX
Phoenix
CPR
Casper
$323 Roundtrip, found 2 days ago
$323
Roundtrip
found 2 days ago
Select United flight, departing Thu, May 7 from Phoenix to Casper, returning Mon, May 11, priced at $323 found 2 days ago
United
Wed, Jun 24 - Mon, Jun 29
PHX
Phoenix
CPR
Casper
$323 Roundtrip, found 2 hours ago
$323
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Jun 24 from Phoenix to Casper, returning Mon, Jun 29, priced at $323 found 2 hours ago
United
Fri, Apr 24 - Sat, Apr 25
PHX
Phoenix
CPR
Casper
$325 Roundtrip, found 5 days ago
$325
Roundtrip
found 5 days ago
Select United flight, departing Fri, Apr 24 from Phoenix to Casper, returning Sat, Apr 25, priced at $325 found 5 days ago
United
Wed, Jul 29 - Tue, Aug 4
PHX
Phoenix
CPR
Casper
$328 Roundtrip, found 17 hours ago
$328
Roundtrip
found 17 hours ago
Select United flight, departing Wed, Jul 29 from Phoenix to Casper, returning Tue, Aug 4, priced at $328 found 17 hours ago
United
Wed, Apr 15 - Wed, Apr 22
PHX
Phoenix
CPR
Casper
$328 Roundtrip, found 4 days ago
$328
Roundtrip
found 4 days ago
Select United flight, departing Wed, Apr 15 from Phoenix to Casper, returning Wed, Apr 22, priced at $328 found 4 days ago
United
Fri, Apr 17 - Sat, Apr 18
PHX
Phoenix
CPR
Casper
$330 Roundtrip, found 5 days ago
$330
Roundtrip
found 5 days ago
Select United flight, departing Fri, Apr 17 from Phoenix to Casper, returning Sat, Apr 18, priced at $330 found 5 days ago
United
Wed, Jul 29 - Tue, Aug 4
PHX
Phoenix
CPR
Casper
$333 Roundtrip, found 17 hours ago
$333
Roundtrip
found 17 hours ago
Select United flight, departing Wed, Jul 29 from Phoenix to Casper, returning Tue, Aug 4, priced at $333 found 17 hours ago
United
Mon, Apr 13 - Sat, Apr 18
PHX
Phoenix
CPR
Casper
$337 Roundtrip, found 6 days ago
$337
Roundtrip
found 6 days ago
Select United flight, departing Mon, Apr 13 from Phoenix to Casper, returning Sat, Apr 18, priced at $337 found 6 days ago

Alternative airports near Casper

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Natrona County Intl. CPR. Cheapest and Closest option available. Average driving time to city center is 12 minutes. Flights from $404
CPR
Natrona County Intl.
CheapestClosest
Average driving time to city center12 min
Flights from $404

Frequently asked questions

How much does a flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Casper, WY (CPR-Natrona County Intl.) cost?
You can find cheap one-way flights from $273 and cheap return flights from $318 Phoenix, AZ (PHX-Sky Harbor Intl.) to Casper, WY (CPR-Natrona County Intl.) with Expedia. One-way flights typically cost between $242 and $786, and return flights often range between $310 and $1513. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Phoenix, AZ (PHX-Sky Harbor Intl.) to Casper, WY (CPR-Natrona County Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Casper, WY (CPR-Natrona County Intl.)?
October is the cheapest month to fly from Phoenix, AZ (PHX) to Casper, WY (CPR), with average round-trip fares around $307. This price is about 19% lower than the average fare for the year, as demand typically decreases in the fall. Other economical months for this route include February and April.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Phoenix, AZ (PHX-Sky Harbor Intl.) to Casper, WY (CPR-Natrona County Intl.)?
Enter PHX to CPR and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Phoenix, AZ (PHX-Sky Harbor Intl.) to Casper, WY (CPR-Natrona County Intl.)?
United is one of the cheapest airlines offering connecting flights from Sky Harbor Intl. (PHX) to Natrona County Intl. (CPR), with round-trip tickets starting from around $893 with a layover in Los Angeles Intl. (LAX). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Casper, WY (CPR-Natrona County Intl.)?
To find a cheap flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Casper, WY (CPR-Natrona County Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Casper, WY (CPR-Natrona County Intl.)?
The best times to fly from Phoenix (PHX) to Casper (CPR) are in April and October, with average return flight prices around $307. These months provide a great combination of reasonable fares and pleasant weather, making your travel experience more enjoyable.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Casper, WY (CPR-Natrona County Intl.)?
The earliest flight from Phoenix, AZ (PHX) to Casper, WY (CPR) usually leaves at around 12:40 AM, operated by Delta and United. This seasonal service is available in October, giving you a head start on your travel plans. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Casper, WY (CPR-Natrona County Intl.)?
The most popular departure times for flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Casper, WY (CPR-Natrona County Intl.) are in the early morning, from 6am to 9am. About 35% of passengers prefer this time window. Many major carriers, including United Airlines, Delta Air Lines, and Alaska Airlines, offer flights during this window. This timing is favored because it allows you to arrive in Casper with a full day ahead of you.
How long does it take to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Casper, WY (CPR-Natrona County Intl.)?
Flights from PHX to CPR with one stop typically take around 4 hours, covering approximately 719 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Phoenix, AZ (PHX-Sky Harbor Intl.) to Casper, WY (CPR-Natrona County Intl.)?
Select the "Business class" and "First class" filters when looking for PHX to CPR flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Phoenix, AZ (PHX-Sky Harbor Intl.) to Casper, WY (CPR-Natrona County Intl.) flight with Expedia?
It's easy to earn miles on a Phoenix, AZ (PHX-Sky Harbor Intl.) to Casper, WY (CPR-Natrona County Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Casper from Sky Harbor Intl. (PHX)?
From Sky Harbor Intl. (PHX), you can fly into Natrona County Intl. (CPR) to reach Casper. Some flights may connect through major hubs like Salt Lake City Intl. (SLC), Minneapolis - St. Paul Intl. (MSP), Portland Intl. (PDX) before reaching Casper. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Phoenix, AZ (PHX-Sky Harbor Intl.) to Casper, WY (CPR-Natrona County Intl.) at the last minute?
Typically, booking a last minute flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Casper, WY (CPR-Natrona County Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Phoenix, AZ (PHX-Sky Harbor Intl.) to Casper, WY (CPR-Natrona County Intl.) flight and hotel package?
Securing a Phoenix, AZ (PHX-Sky Harbor Intl.) to Casper, WY (CPR-Natrona County Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Casper, WY (CPR-Natrona County Intl.)?
If you booked your Phoenix, AZ (PHX-Sky Harbor Intl.) to Casper, WY (CPR-Natrona County Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Sky Harbor Intl.
Destination airport
Natrona County Intl.
Airlines serving
United
Roundtrip price
$318
Distance
719 mi

Book with confidence

Phoenix to Casper Flights

The cheapest times to fly from Phoenix 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 Phoenix to Casper are during the month of May. You can find some of the cheapest flights from Phoenix to Casper with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Phoenix to Casper

Sunday is one of the best days to book for cheap flights from Phoenix 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 Phoenix 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 Phoenix to Casper in 2026. You can also book with separate airlines for your outbound and return journeys, from $273 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 Phoenix 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 Phoenix 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.

 

Phoenix to Casper Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

Explore a world of travel with Expedia