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252 € Cheap Flights from San Diego International to Missoula

Compare San Diego International 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 San Diego International to Missoula

Looking for a cheap last-minute deal or the best return flight from San Diego International Airport to Missoula Airport? If you want to travel next month, return fares start from 304 €. Find the lowest prices on one-way and return tickets right here.
Missoula.252 € per passenger.Departing Wed, 10 Jun, returning Fri, 19 Jun.Return flight with Frontier Airlines and Allegiant Air.Outbound indirect flight with Frontier Airlines, departs from San Diego International on Wed, 10 Jun, arriving in Missoula.Inbound indirect flight with Allegiant Air, departs from Missoula on Fri, 19 Jun, arriving in San Diego International.Price includes taxes and charges.From 252 €, select.
Missoula.257 € per passenger.Departing Thu, 20 Aug, returning Sun, 23 Aug.Return flight with Alaska Airlines and Allegiant Air.Outbound indirect flight with Alaska Airlines, departs from San Diego International on Thu, 20 Aug, arriving in Missoula.Inbound indirect flight with Allegiant Air, departs from Missoula on Sun, 23 Aug, arriving in San Diego International.Price includes taxes and charges.From 257 €, select.
Missoula.262 € per passenger.Departing Fri, 3 Jul, returning Sun, 12 Jul.Return flight with Frontier Airlines and Allegiant Air.Outbound indirect flight with Frontier Airlines, departs from San Diego International on Fri, 3 Jul, arriving in Missoula.Inbound indirect flight with Allegiant Air, departs from Missoula on Sun, 12 Jul, arriving in San Diego International.Price includes taxes and charges.From 262 €, select.
Missoula.295 € per passenger.Departing Tue, 28 Jul, returning Tue, 4 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from San Diego International on Tue, 28 Jul, arriving in Missoula.Inbound indirect flight with Delta, departs from Missoula on Tue, 4 Aug, arriving in San Diego International.Price includes taxes and charges.From 295 €, select.
Missoula.304 € per passenger.Departing Fri, 22 May, returning Wed, 27 May.Return flight with Delta.Outbound indirect flight with Delta, departs from San Diego International on Fri, 22 May, arriving in Missoula.Inbound indirect flight with Delta, departs from Missoula on Wed, 27 May, arriving in San Diego International.Price includes taxes and charges.From 304 €, select.
Missoula.308 € per passenger.Departing Tue, 19 May, returning Tue, 2 Jun.Return flight with Delta.Outbound indirect flight with Delta, departs from San Diego International on Tue, 19 May, arriving in Missoula.Inbound indirect flight with Delta, departs from Missoula on Tue, 2 Jun, arriving in San Diego International.Price includes taxes and charges.From 308 €, select.
Missoula.308 € per passenger.Departing Tue, 21 Jul, returning Wed, 29 Jul.Return flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from San Diego International on Tue, 21 Jul, arriving in Missoula.Inbound direct flight with Alaska Airlines departs from Missoula on Wed, 29 Jul, arriving in San Diego International.Price includes taxes and charges.From 308 €, select.
Missoula.379 € per passenger.Departing Thu, 8 Oct, returning Sun, 11 Oct.Return flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from San Diego International on Thu, 8 Oct, arriving in Missoula.Inbound indirect flight with Alaska Airlines, departs from Missoula on Sun, 11 Oct, arriving in San Diego International.Price includes taxes and charges.From 379 €, select.
Missoula.658 € per passenger.Departing Thu, 26 Nov, returning Sun, 29 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from San Diego International on Thu, 26 Nov, arriving in Missoula.Inbound indirect flight with Delta, departs from Missoula on Sun, 29 Nov, arriving in San Diego International.Price includes taxes and charges.From 658 €, select.

Find the cheapest month to fly from San Diego International to Missoula

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Diego International to Missoula flights are currently cheapest in June.
Apr
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May
from 304 €
Jun
from 252 €
Jul
from 262 €
Aug
from 257 €
Sep
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Oct
from 379 €
Nov
from 658 €
Dec
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Jan
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Feb
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Mar
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Direct flights from San Diego International to Missoula

San Diego International to Missoula: Alternative routes

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

Missoula

8km from central Missoula
ClosestCheapest
from 252 €
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San Diego to Missoula: Flight information

The things to know before you go.
Cheapest flight found252 €
Cheapest month to flyJune
Average flight time2 hrs, 48 mins
Most popular airlineAlaska Airlines
Average flights per week8

Finding cheap flights from San Diego International to Missoula: Frequently asked questions

The best price we found for a return flight from San Diego International to Missoula is 252 €. 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.
2 hours and 48 minutes is the average flight time from San Diego International to Missoula.
Alaska Airlines, Horizon Air and American Airlines fly direct from San Diego International to Missoula.
As of April 2026, there are 8 flights per week flying from San Diego International to Missoula.
The cheapest month to fly from San Diego International to Missoula is usually June.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Diego International Airport to Missoula Airport on Wednesday, 10 June 2026.
Yes – the average flight time is 2 hours and 48 minutes.
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, Frontier Airlines and Alaska Airlines offer the cheapest flight tickets to Missoula.

Travelling from San Diego International Airport (SAN) to Missoula International Airport (MSO): what you need to know

  • The average time for a direct flight from San Diego International Airport to Missoula International Airport is 2 hours 35 minutes.

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

  • During popular months like July, it's best to get to the airport earlier than usual. Arrive two hours before a domestic departure and four hours ahead of international flights when you travel during a peak period in general.

  • Getting to Missoula (and then discovering more of United States!) is a snap with Alaska Airlines. This popular airline offers direct flights from San Diego International Airport to Missoula International Airport.

  • The airline that tops the list for bookings on this route is Alaska Airlines.

  • Think about adding a stopover when booking your ticket from San Diego International Airport to Missoula International Airport. Simply uncheck 'Direct flights only' to break up your journey, or even explore someplace new along the way. Here's where you can stop between SAN and MSO:

    • Metropolitan Oakland International Airport

    • Salt Lake City International Airport

    • Harry Reid Airport (formerly McCarran Airport)

How to find the cheapest flights from San Diego International Airport (SAN) to Missoula International Airport (MSO)

  • At the moment, 97 € is the cheapest price we've found for a one-way San Diego International Airport to Missoula International Airport flight. The best price for a return ticket is 252 €. Bear in mind that fares could change due to demand when booking.

  • Book seven months before flying. After looking at the numbers on our calendar, this is how far you should book ahead to secure cheap tickets from SAN to MSO.

  • June is the cheapest month for flights from San Diego International Airport to Missoula International Airport. If you prefer to travel during a different time of year, the 'Whole month' tool will show you the lowest airfares for every month.

  • Snapping up cheap flights from SAN to MSO is a cinch with Price Alerts. All you need to do is create one of these automatic alerts and we'll get in touch when a new discounted fare appears.

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

Handy information about San Diego International Airport (SAN)

  • You'll find SAN at Airport Drive.

  • 71.38% of flights that depart San Diego International Airport touch down at their destination on time.

  • San Diego International Airport is about 5 kilometres from central San Diego. If you're catching a cab, ride-sharing or driving from the centre, it'll take 10 minutes or so to get there, depending on the traffic.

  • Planning to catch public transport? Expect a journey time of around 20 minutes.

  • Booked an early flight from San Diego International Airport to Missoula International Airport? Avoid the last-minute rush to the airport (and sneak in some extra snooze time) by picking one of these hotels near SAN:

Arriving at Missoula International Airport (MSO)

  • If you're arriving on a late San Diego International Airport to Missoula International Airport flight, nothing beats the convenience of staying near the terminal. Grab your bags from the carousel and then be tucked up in bed shortly after at one of these hotels near MSO:

  • Say yes to new adventures by picking up a Missoula International Airport rental car. Grab your wheels from Budget, Dollar or Hertz to explore Missoula and beyond.

  • Book your vehicle from Missoula International Airport at least a few weeks before your departure to get the best possible rate. If you're travelling during peak season, it's a good idea to book even earlier.

Getting from Missoula International Airport (MSO) to central Missoula

  • MSO is located at 5225 Highway 10 West.

  • Missoula International Airport to the centre of Missoula has a drive time of about 10 minutes. It's approximately 11 kilometres away.

  • Getting to the centre on public transport takes roughly 35 minutes.

When to fly to Missoula International Airport (MSO)

  • The quietest month for a flight from San Diego International Airport to Missoula International Airport is February, while July is the most popular. Choose the best time to visit Missoula based on whether you prefer a more fast-paced or easygoing experience.

  • The warmest month in Missoula is July, with temperatures ranging between 8ºC (46ºF) and 33ºC (91ºF). Book your flights from San Diego International Airport to Missoula International Airport in this month if this is the kind of weather you like.

  • December sees average temperatures of between -15ºC (5ºF) and 3ºC (37ºF). Look for cheap tickets from SAN to MSO sometime around then if you like cooler conditions.

Explore more of United States

  • You've seen Missoula, now it's time to explore other parts of United States. Journey about 274 kilometres west to Spokane to tick off its leading sights. From Manito Park to Northwest Museum of Arts & Culture and Spokane Falls, you'll have a full itinerary ahead.

  • If you're eager to discover another great destination in United States, head for Boise, about 402 kilometres south-west of Missoula. Idaho State Capitol Building, Old Idaho Penitentiary and Zoo Boise are key reasons to visit.

Plan the rest of your trip from San Diego to Missoula

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