684 € Return - Cheap flights to Missoula Airport

Compare Missoula Airport flights across hundreds of providers

Find the cheapest month or even day of the year to fly

Book the best fare with no fees

Find the cheapest time to fly to Missoula

Flexible on travel dates? Find the cheapest month – or even day – to fly to Missoula.

Airports near Missoula

Compare routes to Missoula below. You may find an airport to fly into that's cheaper, faster, or easier.

Frequently asked questions

Currently, there are no airlines that fly direct to Missoula. But we found flights with one or more stops from 684 €.
The cheapest month to fly to Missoula is usually May.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Missoula but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
No airlines currently offer direct flights between Ireland and Missoula Airport. Most routes have one or more stops.
The best price we found for a return flight to Missoula is 684 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
After crunching the numbers on our flight calendar, we found that the cheapest date to fly to Missoula Airport is Wednesday, 20 May 2026.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Missoula is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, WestJet offers the cheapest flight tickets to Missoula.

Flying to Missoula

The things to know before you go.
Cheapest flight found684 €
Cheapest month to flyMay

Discover Missoula

How to find cheap flights to Missoula International Airport (MSO)

  • 684 € is currently the cheapest price for a round-trip flight to Missoula International Airport. For a one-way plane ticket to MSO, the lowest fare is 404 €.

  • Get updates on fares by creating a Price Alert. The moment prices on tickets to MSO fall, we'll notify you.

  • It's typically recommended to book about two months before your planned departure. This is when you're more likely to get the best prices for tickets to Missoula, where Missoula International Airport is located.

  • Select 'Add nearby airports' during your search for a better chance of scoring cheap flights to Missoula. This will give you more options for where to start and end your journey, as well as different fares.

  • Search for plane tickets to Missoula International Airport that have one stop or more. Taking the scenic route can help you save. After your results appear, select the 'Stops' filter to explore your options.

Best time to go to Missoula

  • July is usually the cheapest month to jump on a flight to Missoula.

  • To find the cheapest month for flights to MSO, use the 'Whole month' tool. If you're flexible with your dates, search for the green prices on the calendar — they highlight the lowest available fares.

  • July is the most popular month for flights to MSO. Go then if you're eager to take in the full energy of Missoula.

  • February is the quietest period of the year to travel if you're after a more relaxed vibe. You'll generally find cheaper prices on plane tickets to Missoula then.

  • With averages of between 8ºC (46ºF) and 33ºC (91ºF), July is when Missoula is warmest. Organise your visit around your weather preferences to make the most of your trip.

  • December sees the lowest temperatures, ranging from about -15ºC (5ºF) to 3ºC (37ºF).

  • With three days of rain on average, September is the driest month in Missoula.

  • Rain is more likely in February, which gets around 13 days of wet weather.

Flying to Missoula International Airport (MSO): What you need to know

  • Fly to Missoula without any stops. These are some of the major airlines offering direct flights to Missoula International Airport:

  • United is most likely to get you to your destination on time. Up to 85% of its flights into this hub land without delays, making it a smart pick when reserving your MSO plane ticket.

  • You'll step off the plane in the UTC-6 timezone at MSO.

  • Eager to get a good night's sleep after your flight to MSO? These hotels close to Missoula International Airport offer the ideal place to relax and unwind:

  • Kick off your Missoula trip sooner by booking a car hire in MSO. Budget, Dollar and Hertz are trusted suppliers to pick from here.

  • Whether you're catching your next connection or flying home from Missoula International Airport, you're likely to arrive as planned. MSO has a strong record of punctuality, with up to 82% of all departing flights landing on schedule.

Getting to central Missoula from Missoula International Airport (MSO)

Missoula highlights

  • Hop off your flight to Missoula and make your way to these must-see attractions:

    • Mt Jumbo: An impressive preview of what the city has to offer, this landmark is around 5 kilometres north-east of the centre.

    • Native Plant Garden at Fort Missoula: Take a breather here while exploring Missoula. You'll find this park roughly 3 kilometres south-west of the centre.

    • Street Art: This also makes for a worthwhile detour. A top landmark, it's around 2 kilometres north-east of the heart of Missoula.

How to get to Polson from Missoula International Airport (MSO)

  • The nearby city of Polson is about 105 kilometres from MSO. Reaching the centre by cab or ride-share takes around 1 hour 10 minutes.

Travelling from Missoula International Airport (MSO) to Hamilton

  • If Hamilton is on your radar, it's around 72 kilometres from Missoula International Airport.

  • Getting there by car takes roughly 1 hour 5 minutes.

Explore more of the United States

  • Up for more adventures? Spokane is a must-do while you're in the United States. It's around 257 kilometres west of Missoula and features Spokane Falls (Upper Falls), Riverside State Park - Equestrian Campground and Day-Use and Cathedral of Our Lady of Lourdes.

  • Spokane Valley might just steal the show during your trip to the United States. You'll find it roughly 257 kilometres west of Missoula. Nodland Cellars, Bead Lake Loop and Mirabeau Park rock climbing hills stand out as highlights.

  • Or head to Great Falls, about 225 kilometres east of Missoula. Lewis & Clark National Historic Trail Interpretive Centre, Great Falls Dam View and Great Falls Parks Recreation are just the start of reasons to go.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.