$198 Cheap Flights from Atlanta (ATL) to Missoula (MSO)

Atlanta (ATL) to Missoula (MSO) at a glance

Traveling from Atlanta (ATL) to Missoula (MSO) offers a range of options with various airlines catering to this domestic short-haul route. You can compare flights to Missoula from both full-service and low-cost carriers, helping you find the best fit for your budget and schedule. As you prepare for your journey, look for key details on flights taking off from Hartsfield-Jackson Atlanta International Airport (ATL) to Missoula International Airport (MSO) to explore the city's famous sights and neighborhoods.

• Fastest flight duration: around 5h 45m in-flight, plus roughly 1h 15m layover with one stop
• Route distance: roughly 1,800 miles (2,900 km)
• Flights per week: around 9 departures on average
• Typical fares (one-way): economy tickets often range from $140–$435, depending on seasonality and how far ahead you book

Flights from Hartsfield-Jackson Atlanta International Airport (ATL) to Missoula International Airport (MSO)

According to recent traveler bookings, the top airlines flying from Atlanta to Missoula are popular for their one-stop services, often featuring layovers at Denver International Airport (DEN, approximately 1 hour and 15 minutes), Dallas-Fort Worth International Airport (DFW, about 1 hour and 15 minutes), and Seattle-Tacoma International Airport (SEA, around 1 hour). These options allow you to choose a combination of price, travel time, and cabin class, helping you find the ideal itinerary for your journey.

• United: With a market share of around 34% of departures on this route, United offers a full-service one-stop option. One-way fares generally fall between $140 and $420. Passengers can expect approximately 5 hours and 45 minutes of flight time, with a total travel duration of roughly 7 hours and 15 minutes, including layover time.
• American Airlines: Representing about 24% of flights along this route, American Airlines provides one-stop full-service travel. The cost for one-way tickets typically ranges from $140 to $430. In-flight, you'll spend about 5 hours and 45 minutes, totaling around 7 hours and 15 minutes for the complete journey, factoring in layover time.
• Delta: Delta accounts for nearly 22% of departures in this area, offering one-stop service as a full-service carrier. Expect one-way fares to be between $140 and $530. The flight duration is about 5 hours and 45 minutes, while the overall travel time is approximately 7 hours and 15 minutes, including any layovers.
• Alaska Airlines: This full-service carrier makes up around 15% of departures on this route, providing one-stop service. One-way fares are typically in the range of $175 to $450. The journey includes about 5 hours and 45 minutes of flying time, with a total travel time of around 7 hours and 15 minutes, including layovers.
• Frontier Airlines: As a low-cost carrier, Frontier Airlines accounts for about 5% of flights on this route, offering one-stop service. One-way fares generally range from $140 to $250. Passengers can anticipate around 5 hours and 45 minutes of flight time, with the entire journey taking roughly 7 hours and 15 minutes, including layovers.

Best time to fly from Atlanta (ATL) to Missoula (MSO)

The most popular months for travelers flying from Atlanta to Missoula are January, February, and June, when peak temperatures in Missoula reach up to 59.2°F in June. If you prefer quieter travel, consider October, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 43.2°F. For better deals, August usually offers the lowest average one-way fare around $225. Flight availability peaks in June and July, 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 $225, roughly 17% cheaper than the yearly average.
• More budget-friendly months to fly: October, June, and September typically offer average one-way fares of around $242.
• Most flight options: June and July have the highest number of flights from Atlanta to Missoula, with approximately 11 flights per week, giving you more flexibility in scheduling your trip.

*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.

How to find the best prices for flights from Atlanta (ATL) to Missoula (MSO)

Getting some of the best deals on flights from Atlanta to Missoula is all about timing and flexibility. Here are some key tips to help you save:

1. Best times to book and fly: cheaper fares are usually found when booking 2-8 weeks in advance, which aligns with when most travelers make their reservations. Morning departures between 5 am and 12 pm typically offer lower prices and are also the most popular flight times. Additionally, flying on Fridays often results in cheaper fares, although Tuesday remains the most popular travel day.
2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
3. 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.
4. 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.
5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
6. 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 Hartsfield-Jackson Atlanta International Airport

Missoula welcomes travelers from Atlanta with a range of transport options based on price, convenience, and proximity. For departures, Hartsfield-Jackson Atlanta International Airport is roughly a 10-minute drive (covering about 10 miles) from central Atlanta. 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.

Atlanta to Missoula Flights

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

The best time to book a flight from Atlanta to Missoula

Sunday is one of the best days to book for cheap flights from Atlanta 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 Atlanta 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 Atlanta to Missoula in 2026. You can also book with separate airlines for your outbound and return journeys, from $198 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 Atlanta 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 Atlanta 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.