Cheap Flights from Grand Rapids to Missoula

Compare Grand Rapids to Missoula flight deals

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

Book the best Missoula fare with no extra fees

Find the cheapest month to fly from Grand Rapids to Missoula

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

Grand Rapids to Missoula: Alternative routes

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

Grand Rapids to Missoula: Flight information

The things to know before you go.
Cheapest flight found$1,005
Cheapest month to flyAugust

Finding cheap flights from Grand Rapids to Missoula: Frequently asked questions

The best price we found for a return flight from Grand Rapids to Missoula is $1,005. 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 Grand Rapids to Missoula. But we found flights with one or more stops from $1,005.
As of July 2026, there are no flights flying from Grand Rapids to Missoula.
The cheapest month to fly from Grand Rapids to Missoula is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Grand Rapids Airport to Missoula Airport on Wednesday, 19 August 2026.
No airlines currently offer direct flights between Grand Rapids 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, United offers the cheapest flight tickets to Missoula.

Flying from Grand Rapids Airport (GRR) to Missoula Airport (MSO): what you need to know

  • Your GRR to MSO flight won't wait if you're running late, so get to the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • Travelling during a peak month like October? Major public holidays and other high seasons can result in longer lines at security. Play things extra safe and arrive up to four hours before an international flight and two hours before a domestic departure.

  • We make it a cinch to book a flight with a stopover. To see all your options for tickets from Grand Rapids Airport to Missoula Airport, deselect 'Direct flights only.' Then, pick a flight that has a stop long enough to explore the city of your choice. Stopovers between GRR and MSO include:

    • Chicago O'Hare International Airport

    • Denver International Airport

    • Minneapolis St Paul Airport

How to find the cheapest flights from Grand Rapids Airport (GRR) to Missoula Airport (MSO)

  • The lowest price we've found for a one-way Grand Rapids Airport to Missoula Airport flight is $338. A round-trip fare right now is $1,005. Depending on the availability and when you book, these fares can change.

  • Don't leave things to the last moment. You're more likely to get cheap tickets from GRR to MSO if you book in advance. Airlines often offer some terrific early bird discounts.

  • Finding cheap flights from Grand Rapids Airport to Missoula Airport is easy if you're flexible with your travel dates. Use the 'Whole month' tool to see the lowest prices across every month and bag a great deal.

  • Spend less time searching for cheap flights from GRR to MSO by setting up a Price Alert. You'll get an email or notification on the app when 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 Grand Rapids Airport to Missoula Airport, use the 'Sort by' function. You can also filter results by airline, arrival and departure times, and number of stops.

Handy information about Grand Rapids Airport (GRR)

  • GRR's address is 5500 44th Street Southeast.

  • Of the flights that depart from Grand Rapids Airport, 73% arrive as scheduled at their destination.

  • Central Grand Rapids to Grand Rapids Airport is around 23 kilometres. Depending on traffic, it'll take about 25 minutes to get there if you're ride-sharing, catching a taxi or driving.

  • The journey on public transport will take about 55 minutes.

  • Looking for a handy hotel close to GRR? If you've booked an early flight from Grand Rapids Airport to Missoula Airport, these accommodation options will have you sleeping moments from your departure gate:

Arriving at Missoula Airport (MSO)

Getting from Missoula Airport (MSO) to central Missoula

  • MSO is located at 5225 Highway 10 West.

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

  • It takes roughly 30 minutes if you're travelling by public transport.

When to fly to Missoula Airport (MSO)

  • The quietest month for a flight from Grand Rapids Airport to Missoula Airport is March, while July is the most popular. Pick the best time to go to Missoula based on whether you prefer a more relaxed vibe or a faster pace.

  • When booking your flight from Grand Rapids Airport to Missoula Airport, consider the kind of weather you like. July is the warmest month in Missoula, with the temperature ranging from 8ºC to 33ºC.

  • Search for cheap tickets from GRR to MSO in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between -16ºC and 2ºC on average.

Explore more of the United States

  • Spokane is just one of the many cities in the United States waiting to be discovered once you've seen Missoula. Around 274 kilometres away to the west, its top attractions include Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes.

  • If you're looking to explore another major stop in the United States, consider Boise, roughly 402 kilometres south-west of Missoula. Cathedral Of The Rockies, Boise Depot and St. John's Cathedral are the start of reasons to visit.

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