$180 Cheap Flights from San Antonio (SAT) to Missoula (MSO)
Popular airlines from San Antonio International Airport (SAT) to Missoula Intl. Airport (MSO)
Alaska AirlinesAlaska Airlines
UnitedUnited
American AirlinesAmerican Airlines
DeltaDelta
Be in the knowGet alerts if flight prices drop or rise*
Book smarterSave up to 30% on select hotels after you book a flight*
Cheap Flights from San Antonio to Missoula (SAT-MSO)
Book with confidence
San Antonio (SAT) to Missoula (MSO) at a glance
Traveling from San Antonio (SAT) to Missoula (MSO) offers a selection of airlines catering to this domestic short-haul route. You can find a range of options, from full-service airlines to budget-friendly choices, helping you discover cheap flights from San Antonio that align with your travel plans and budget. As you prepare to explore Missoula's iconic attractions and charming neighborhoods, check out the essential details for your journey from San Antonio International Airport to Missoula International Airport.
- Fastest flight duration: around 4h 45m in-flight, plus roughly 1h 15m layover with one stop
- Route distance: roughly 1,500 miles (2,410 km)
- Flights per week: around 8 departures on average
- Typical fares (one-way): economy tickets often range from $160–$430, depending on seasonality and how far ahead you book
Flights from San Antonio International Airport (SAT) to Missoula International Airport (MSO)
Based on the latest traveler bookings, here are the top airlines favored for flights from San Antonio to Missoula, often selected for their one-stop services. Common layover points include Denver International Airport (DEN) with a layover of about 1 hour and 15 minutes, Salt Lake City International Airport (SLC) also with a 1 hour and 15 minutes layover, and Dallas-Fort Worth International Airport (DFW) with a longer layover of approximately 2 hours and 15 minutes. These options allow you to balance price, total travel time, and cabin class while crafting the ideal itinerary.
- United: As a major full-service airline, United provides comprehensive one-stop services, with one-way ticket prices generally falling between $160 and $455. This carrier handles about 42% of the departures along this route, featuring an in-flight duration of 4 hours and 45 minutes, and an overall travel time of around 6 hours, including layovers.
- Delta: Delta is another prominent full-service airline offering one-stop journeys, with typical one-way fares ranging from $160 to $420. It represents approximately 33% of the flights on this route, boasting an in-flight time of 4 hours and 45 minutes, and a total travel duration of about 6 hours when factoring in layovers.
- American Airlines: This full-service carrier provides one-stop flights, with one-way fares usually between $165 and $570. American Airlines makes up roughly 20% of the departures for this route, featuring a flight time of 4 hours and 45 minutes, with a complete travel time nearing 6 hours, including layovers.
- Alaska Airlines: Known as a full-service airline, Alaska Airlines offers one-stop travel options with one-way fares typically from $215 to $355. It accounts for about 4% of the departures on this route, featuring an in-flight duration of 4 hours and 45 minutes, and an overall journey time of approximately 6 hours, including layovers.
Best time to fly from San Antonio (SAT) to Missoula (MSO)
The most popular months for travelers flying from San Antonio to Missoula are March, July, and December, when peak temperatures in Missoula reach up to 69.3°F in July. If you prefer quieter travel, consider January, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 23.7°F. For better deals, August usually offers the lowest average one-way fare around $223. Flight availability peaks in June, with approximately 11 flights per week, making it easier to find convenient departure times.
- Cheapest time to fly: August usually offers good deals with average one-way fare around $223, roughly 18% cheaper than the yearly average.
- More budget-friendly months to fly: February and May typically offer average one-way fares roughly ranging from $229 to $244.
- Most flight options: June has the highest number of flights from San Antonio to Missoula, with approximately 11 flights per week, giving you more flexibility in scheduling your trip.
| Month | Temperature | Demand | Weekly Flights | Average one-way Fare |
| January | 23.7°F (-4.6°C) | Low | 7 | $255 |
| February | 24.6°F (-4.1°C) | Average | 7 | $229 |
| March | 33.1°F (0.6°C) | High | 7 | $284 |
| April | 39.9°F (4.4°C) | Average | 8 | $338 |
| May | 50.7°F (10.4°C) | Average | 8 | $244 |
| June | 59.2°F (15.1°C) | Average | 11 | $248 |
| July | 69.3°F (20.7°C) | High | 8 | $288 |
| August | 67.8°F (19.9°C) | Average | 10 | $223 |
| September | 58.1°F (14.5°C) | Low | 7 | $260 |
| October | 43.2°F (6.2°C) | Average | 8 | $329 |
| November | 30.9°F (-0.6°C) | Low | 7 | $295 |
| December | 23.2°F (-4.9°C) | High | 10 | $302 |
*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 route from San Antonio (SAT) to Missoula (MSO)
- Austin to Missoula (AUS-MSO): Austin-Bergstrom International Airport (AUS) is located approximately 67 miles from San Antonio International Airport (SAT). One-way economy fares for this journey generally fall between $125 and $405, influenced by the season and advance booking. Typically, flights on this route involve one stop, with common layover points at Denver International Airport (DEN) and Salt Lake City International Airport (SLC). Major airlines servicing this route include United and Delta. Additionally, first-class service is available for travelers.
How to find the best prices for flights from San Antonio (SAT) to Missoula (MSO)
Getting some of the best deals on flights from San Antonio to Missoula 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. Afternoon departures (12pm-6pm) often offer lower prices, though morning flights (5am-12pm) are the most popular. Additionally, flying on Monday tends to be cheaper, while Thursday is the busiest 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 Missoula 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 Missoula International Airport from San Antonio International Airport
Missoula welcomes travelers from San Antonio with a range of transport options based on price, convenience, and proximity. Here's how to reach Missoula efficiently:
- Hotel transfer: Transfers offer a convenient way to reach your hotel in Missoula, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
- Car rental: Renting a car from Missoula International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Missoula 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.
San Antonio to Missoula Flights
The cheapest times to fly from San Antonio to Missoula
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 San Antonio to Missoula are during the month of January. You can find some of the cheapest flights from San Antonio to Missoula with Expedia's search tool and vast selection of airlines.
The best time to book a flight from San Antonio to Missoula
Sunday is one of the best days to book for cheap flights from San Antonio to Missoula: 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 San Antonio to Missoula
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 San Antonio to Missoula in 2026. You can also book with separate airlines for your outbound and return journeys, from $180 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 San Antonio to Missoula 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 San Antonio to Missoula 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 San Antonio, TX (SAT-San Antonio Intl.) to Missoula, MT (MSO-Missoula Intl.) cost?
You can find cheap one-way flights from $180 and cheap return flights $359 San Antonio, TX (SAT-San Antonio Intl.) to Missoula, MT (MSO-Missoula Intl.) with Expedia. One-way flights typically cost between $222 and $985, and return flights often range between $460 and $1514. 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 San Antonio, TX (SAT-San Antonio Intl.) to Missoula, MT (MSO-Missoula 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 San Antonio, TX (SAT-San Antonio Intl.) to Missoula, MT (MSO-Missoula Intl.)?
The cheapest month to fly from SAT to MSO is January when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from San Antonio, TX (SAT-San Antonio Intl.) to Missoula, MT (MSO-Missoula Intl.)?
Enter SAT to MSO and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from San Antonio, TX (SAT-San Antonio Intl.) to Missoula, MT (MSO-Missoula Intl.)?
United is one of the cheapest airlines offering connecting flights from San Antonio, TX (SAT) to Missoula, MT (MSO), with round-trip tickets starting from around $299 with a layover in George Bush Intercontinental (IAH). 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 San Antonio, TX (SAT-San Antonio Intl.) to Missoula, MT (MSO-Missoula Intl.)?
To find a cheap flight from San Antonio, TX (SAT-San Antonio Intl.) to Missoula, MT (MSO-Missoula 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 San Antonio, TX (SAT-San Antonio Intl.) to Missoula, MT (MSO-Missoula Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from San Antonio, TX (SAT-San Antonio Intl.) to Missoula, MT (MSO-Missoula Intl.)?
The earliest flight from San Antonio International (SAT) to Missoula International (MSO) typically leaves at around 5:00 AM. This seasonal service is provided by American Airlines. An early flight can help you make the most of your time in Missoula. 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 San Antonio, TX (SAT-San Antonio Intl.) to Missoula, MT (MSO-Missoula Intl.)?
The most popular departure times for flights from San Antonio, TX (SAT-San Antonio Intl.) to Missoula, MT (MSO-Missoula Intl.) are from 6am to 9am. About 39% of passengers prefer this time window. Many major carriers, including Delta, United Airlines and Alaska Airlines, offer flights during this window. This timing works well because it allows you to travel early and maximize your time in Missoula.
How long does it take to fly from San Antonio, TX (SAT-San Antonio Intl.) to Missoula, MT (MSO-Missoula Intl.)?
Flying from SAT to MSO with a connection usually takes about 6 hours, traveling roughly 1,464 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 San Antonio, TX (SAT-San Antonio Intl.) to Missoula, MT (MSO-Missoula Intl.)?
First class is available on flights from SAT to MSO. First class cabins are available on:
- Delta Air Lines
- American Airlines
- United Airlines
How do I earn miles on a San Antonio, TX (SAT-San Antonio Intl.) to Missoula, MT (MSO-Missoula Intl.) flight with Expedia?
It's easy to earn miles on a San Antonio, TX (SAT-San Antonio Intl.) to Missoula, MT (MSO-Missoula 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 Missoula from San Antonio Intl. (SAT)?
If you're planning to travel to Missoula from San Antonio Intl. (SAT), you can fly into Missoula Intl. (MSO) Some flights may connect through major hubs like George Bush Intercontinental (IAH), Seattle - Tacoma Intl. (SEA), Dallas-Fort Worth Intl. (DFW) before reaching Missoula. 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 San Antonio, TX (SAT-San Antonio Intl.) to Missoula, MT (MSO-Missoula Intl.) at the last minute?
Typically, booking a last minute flight from San Antonio, TX (SAT-San Antonio Intl.) to Missoula, MT (MSO-Missoula 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 San Antonio, TX (SAT-San Antonio Intl.) to Missoula, MT (MSO-Missoula Intl.) flight and hotel package?
Securing a San Antonio, TX (SAT-San Antonio Intl.) to Missoula, MT (MSO-Missoula Intl.) Missoula 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.
Can I cancel or change the date of my flight from San Antonio, TX (SAT-San Antonio Intl.) to Missoula, MT (MSO-Missoula Intl.)?
If you booked your San Antonio, TX (SAT-San Antonio Intl.) to Missoula, MT (MSO-Missoula 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 | San Antonio International Airport |
|---|---|
Destination airport | Missoula Intl. Airport |
Distance | 1,464 miles away |
Airlines serving | Alaska Airlines, United, American Airlines, Delta |
Popular airline | Alaska Airlines |
Roundtrip price | $359 |