$61 Cheap Flights from Missoula (MSO) to Phoenix (PHX)

You can find cheap one-way flights from $61 and cheap return flights $102 Missoula, MT (MSO-Missoula Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) with Expedia. One-way flights typically cost between $179 and $983, and return flights often range between $330 and $1272. 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 Missoula, MT (MSO-Missoula Intl.) to Phoenix, AZ (PHX-Sky Harbor 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.

August is the cheapest month to fly from Missoula, MT (MSO) to Phoenix, AZ (PHX), with average return fares around $275. This is about 28% lower than the average price throughout the year, as demand tends to drop during the summer heat. Other budget-friendly months include January and July.

*Averages based on flights available on Expedia in the last year.

Enter MSO to PHX and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

Frontier Airlines is one of the cheapest airlines offering connecting flights from Missoula Intl. (MSO) to Sky Harbor Intl. (PHX), starting from around $218. 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.

To find a cheap flight from Missoula, MT (MSO-Missoula Intl.) to Phoenix, AZ (PHX-Sky Harbor 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.

The best times to fly from Missoula, MT (MSO) to Phoenix, AZ (PHX) are August and January. Average return flight prices are around $275, making these months budget-friendly. August allows you to escape to the warm desert, while January offers a pleasant winter getaway.

*Prices based on flights available on Expedia in the last year.

The earliest flight from Missoula International Airport (MSO) to Sky Harbor International Airport (PHX) generally departs at around 5:00 AM, operated by Delta Airlines. This seasonal service is active in January and March, giving you an early start to your trip to Phoenix. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

The most popular departure times for flights from Missoula (MSO) to Phoenix (PHX) are in the early afternoon, from 12pm to 3pm. About 37% of passengers prefer this time window. Many major carriers, including United Airlines, Alaska Airlines, and Delta, offer flights during this window. This timing is favored as it allows you to enjoy your morning in Missoula before heading to the airport.

Flying from MSO to PHX with a connection usually takes about 5 hours 30 minutes, traveling roughly 938 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.

First class is available on flights from MSO to PHX. First class cabins are available on:

• American Airlines
• Delta Air Lines
• United Airlines

It's easy to earn miles on a Missoula, MT (MSO-Missoula Intl.) to Phoenix, AZ (PHX-Sky Harbor 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.

From Missoula Intl. (MSO), you can fly into Sky Harbor Intl. (PHX) to reach Phoenix. Some flights may connect through major hubs like Denver Intl. (DEN), Seattle - Tacoma Intl. (SEA), Portland Intl. (PDX) before reaching Phoenix. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from Missoula, MT (MSO-Missoula Intl.) to Phoenix, AZ (PHX-Sky Harbor 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.

Securing a Missoula, MT (MSO-Missoula Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) Phoenix Vacation Packages 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.

If you booked your Missoula, MT (MSO-Missoula Intl.) to Phoenix, AZ (PHX-Sky Harbor 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.