Cheap Flights from Boise (BOI) to Missoula (MSO)

Compare Boise to Missoula flight deals

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

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Flight deals from Boise to Missoula

Looking for a cheap last-minute deal or the best return flight from Boise Airport to Missoula Airport? If you want to travel next month, return fares start from $533. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Boise to Missoula

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Boise to Missoula flights are currently cheapest in August.

Boise to Missoula: Alternative routes

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

Boise to Missoula: Flight information

The things to know before you go.
Cheapest flight found$533
Cheapest month to flyAugust

Finding cheap flights from Boise to Missoula: Frequently asked questions

The best price we found for a return flight from Boise to Missoula is $533. 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.
Currently, there are no airlines that fly direct from Boise to Missoula. But we found flights with one or more stops from $533.
As of July 2026, there are no flights flying from Boise to Missoula.
The cheapest month to fly from Boise to Missoula is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Boise Airport to Missoula Airport on Wednesday, 26 August 2026.
No airlines currently offer direct flights between Boise Airport and Missoula Airport. Most routes have one or more stops.
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.

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, Delta offers the cheapest flight tickets to Missoula.

Flying from Boise Airport (BOI) to Missoula Airport (MSO): what you need to know

  • To ensure you get on your BOI to MSO flight, leave plenty of time to check in and drop off your luggage. Arriving two hours before international departures and an hour before domestic flights is the general rule.

  • Flying during a peak month such as October? School holidays and other popular periods can mean longer lines and delays at airport checkpoints. Play things extra safe and get there up to four hours ahead of an international flight and two hours before domestic departures.

  • We make it simple to book a flight with a stopover. To see your options for tickets from Boise Airport to Missoula Airport, uncheck 'Direct flights only.' Then, choose a flight with a stop long enough to visit your chosen city. Top stopovers between BOI and MSO include:

    • Denver International Airport

    • San Francisco International Airport

    • Salt Lake City Airport

How to find the cheapest flights from Boise Airport (BOI) to Missoula Airport (MSO)

  • The cheapest price we've seen for a one-way Boise Airport to Missoula Airport flight is $281. A return fare is currently $533. Depending on the availability and when you book, these fares can change.

  • To score cheap tickets from BOI to MSO, book early. Airlines generally offer lower prices when flights are first made available.

  • If you're flexible with your travel plans, use the 'Whole month' search function. It'll give you the lowest price across every month when looking for your flight from Boise Airport to Missoula Airport.

  • Landing cheap flights from BOI to MSO is easy with Price Alerts. Simply set up one of these automatic alerts and we'll notify you as soon as a lower fare pops up.

  • Secure the right flight for you with the help of the filters. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Boise Airport to Missoula Airport, use the 'Sort by' function. You can also filter by departure and arrival times, airline, and journey duration.

Handy information about Boise Airport (BOI)

  • BOI is located at 3201 Airport Way.

  • Boise Airport gets high marks for its on-time performance. 84% of flights that depart BOI arrive at their destination as scheduled.

  • To get to Boise Airport from central Boise, it'll take about 15 minutes if you're planning to drive. Of course, this depends on traffic conditions. It's approximately 6 kilometres from the airport to the city centre.

  • The journey when using public transport typically takes 30 minutes.

  • Need a convenient hotel near BOI? If you've booked an early flight from Boise Airport to Missoula Airport, these stays will have you sleeping moments from your departure gate:

Arriving at Missoula Airport (MSO)

Getting from Missoula Airport (MSO) to central Missoula

  • You'll find MSO at 5225 Highway 10 West.

  • Missoula Airport to central Missoula has a drive time of about 15 minutes. It's approximately 11 kilometres away.

  • It typically takes 30 minutes if you're using public transport.

When to fly to Missoula Airport (MSO)

  • It's time to work out your dates for your flight from Boise Airport to Missoula Airport. July is the busiest month to visit Missoula. If you want a more low-key vibe, go in March.

  • Lock in your flight from Boise Airport to Missoula Airport for July if you want to visit Missoula during its warmest month. You can expect temperatures of between 8ºC (46ºF) and 33ºC (91ºF).

  • Look for cheap tickets from BOI to MSO in January if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between -16ºC (3ºF) and 2ºC (36ºF) on average.

Explore more of the United States

  • Missoula has its own special appeal, but there are so many other corners of the United States waiting to be explored. Around 274 kilometres west of Missoula, a trip to Spokane will keep you on the go. Start with popular sights like Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes.

  • Boise is another must-experience destination in the United States and is around 402 kilometres south-west of Missoula. No trip is complete without visiting Cathedral Of The Rockies, Boise Depot and St. John's Cathedral.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.