$278 Cheap Flights from Phoenix (PHX) to Casper (CPR)
Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to Casper, WY (CPR-Natrona County Intl.)
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Cheap Flights from Phoenix to Casper (PHX-CPR)
Find the cheapest month to fly from Phoenix (PHX) to Casper (CPR)
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Phoenix (PHX) to Casper (CPR) at a glance
Travel from Phoenix (PHX) to Casper (CPR) with a full-service carrier on this convenient domestic short-haul route. Discover the daily fares available for flights from Phoenix as you plan your visit to Casper's renowned attractions and charming neighborhoods. Check out the essential details for flights from Sky Harbor International Airport to Natrona County International Airport, ensuring you find the itinerary that aligns with your travel schedule.
- Fastest flight duration: around 3 hours in-flight, plus roughly 55 minutes layover with one stop
- Route distance: roughly 700 miles (1,130 km)
- Flights per week: around 8 departures on average
- Typical fares (one-way): economy tickets often range from $120–$455, depending on seasonality and how far ahead you book
Flights from Sky Harbor International Airport (PHX) to Natrona County International Airport (CPR)
According to recent traveler bookings, the most popular airlines flying from Phoenix to Casper typically offer one-stop service, with a favored layover at Denver International Airport (DEN), which lasts about 55 minutes. This allows you to easily compare prices, total travel times, and cabin classes to create the ideal itinerary for your journey.
- United: This comprehensive airline provides a seamless travel experience with one-stop service. One-way ticket prices generally range from $120 to $455, representing the majority of flights on this route. Passengers can expect an in-flight duration of 3 hours and an overall travel time of approximately 4 hours, including layover time.
Best time to fly from Phoenix (PHX) to Casper (CPR)
The most popular months for travelers flying from Phoenix to Casper are January, August, and September, when peak temperatures in Casper reach up to 71.6°F in August. If you prefer quieter travel, consider October, the least busy time to visit with temperatures around 45°F and typically the lowest average one-way fare (around $200). Flight availability peaks in January, June, August, September, and December, with approximately 9 flights per week, making it easier to find convenient departure times.
- Cheapest time to fly: October usually offers good deals with average one-way fare around $200, roughly 18% cheaper than the yearly average.
- More budget-friendly months to fly: May, February, and December typically offer average one-way fares of around $207.
- Most flight options: January, June, August, September, and December have the highest number of flights from Phoenix to Casper, with approximately 9 flights per week, giving you more flexibility in scheduling your trip.
| Month | Temperature | Demand | Weekly Flights | Average one-way Fare |
| January | 19.6°F (-6.9°C) | Slightly High | 9 | $288 |
| February | 20.1°F (-6.6°C) | Average | 8 | $209 |
| March | 32.7°F (0.4°C) | Average | 7 | $247 |
| April | 40.3°F (4.6°C) | Average | 7 | $245 |
| May | 52.0°F (11.1°C) | Average | 7 | $205 |
| June | 65.3°F (18.5°C) | Average | 9 | $231 |
| July | 73.9°F (23.3°C) | Slightly Low | 7 | $283 |
| August | 71.6°F (22.0°C) | Slightly High | 9 | $275 |
| September | 62.8°F (17.1°C) | Slightly High | 9 | $281 |
| October | 45.0°F (7.2°C) | Slightly Low | 7 | $200 |
| November | 32.7°F (0.4°C) | Slightly Low | 8 | $260 |
| December | 21.2°F (-6.0°C) | Average | 9 | $209 |
*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.
Alternative routes from Phoenix (PHX) to Casper (CPR)
- Scottsdale to Casper (SCF-CPR): Located approximately 14 miles from Sky Harbor International Airport (PHX), Scottsdale Airport (SCF) provides convenient access for travelers heading to Casper.
- Mesa to Casper (MSC-CPR): Falcon Field Municipal Airport (MSC) is roughly 16 miles away from Sky Harbor International Airport (PHX), making it a viable departure point for flights to Casper.
- Mesa to Casper (AZA-CPR): Phoenix - Mesa Gateway Airport (AZA) is situated about 22 miles from Sky Harbor International Airport (PHX), offering another option for those traveling to Casper.
How to find the best prices for flights from Phoenix (PHX) to Casper (CPR)
Getting some of the best deals on flights from Phoenix to Casper is all about timing and flexibility. Here are some key tips to help you save:
- Best times to book and fly: cheaper fares are usually found when booking 2-8 weeks in advance, which coincides with when most travelers make their reservations. Departures in the morning, from 5 am to 12 pm, tend to offer lower prices and are also the most popular flight times. Additionally, flying on Friday provides both affordable rates and is the most favored travel day.
- Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
- Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Casper hotel and flight deals.
- Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
- Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
- Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.
*Members only. Savings vary and are not available on all bundles. Select hotels.
Arriving at Natrona County International Airport from Sky Harbor International Airport
Casper welcomes travelers from Phoenix with a range of transport options based on price, convenience, and proximity. Here's how to reach Casper efficiently:
- Hotel transfer: Transfers offer a convenient way to reach your hotel in Casper, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
- Car rental: Renting a car from Natrona County International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Natrona County International Airport on Expedia.
- Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
- Public transportation: From Natrona County International Airport, Casper Seaport, a seaport, is located about 0.4 miles away by car.
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 October. 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 $278 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.
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 $278 and cheap return flights $328 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 | Phoenix Sky Harbor Intl. Airport |
|---|---|
Destination airport | Casper, WY |
Distance | 719 miles away |
Airlines serving | United |
Popular airline | United |
Roundtrip price | $328 |