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Cheap Flights from San Diego (SANA) to Missoula (MSO)

Compare San Diego 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

Flight deals from San Diego to Missoula Airport

Looking for a cheap last-minute deal or the best return flight from San Diego to Missoula Airport? If you want to travel next month, return fares start from $521. Find the lowest prices on one-way and return tickets right here.
Missoula.$459 per passenger.Departing Mon, 11 May, returning Fri, 15 May.Return flight with United.Outbound indirect flight with United, departs from San Diego International on Mon, 11 May, arriving in Missoula.Inbound indirect flight with United, departs from Missoula on Fri, 15 May, arriving in San Diego International.Price includes taxes and charges.From $459, select.
Missoula.$496 per passenger.Departing Tue, 16 Jun, returning Wed, 24 Jun.Return flight with Delta.Outbound indirect flight with Delta, departs from San Diego International on Tue, 16 Jun, arriving in Missoula.Inbound indirect flight with Delta, departs from Missoula on Wed, 24 Jun, arriving in San Diego International.Price includes taxes and charges.From $496, select.
Missoula.$511 per passenger.Departing Sat, 4 Jul, returning Wed, 8 Jul.Return flight with Delta.Outbound indirect flight with Delta, departs from San Diego International on Sat, 4 Jul, arriving in Missoula.Inbound indirect flight with Delta, departs from Missoula on Wed, 8 Jul, arriving in San Diego International.Price includes taxes and charges.From $511, select.
Missoula.$521 per passenger.Departing Thu, 16 Apr, returning Mon, 20 Apr.Return flight with Delta.Outbound indirect flight with Delta, departs from San Diego International on Thu, 16 Apr, arriving in Missoula.Inbound indirect flight with Delta, departs from Missoula on Mon, 20 Apr, arriving in San Diego International.Price includes taxes and charges.From $521, select.
Missoula.$911 per passenger.Departing Tue, 31 Mar, returning Sun, 5 Apr.Return flight with Delta.Outbound indirect flight with Delta, departs from San Diego International on Tue, 31 Mar, arriving in Missoula.Inbound indirect flight with Delta, departs from Missoula on Sun, 5 Apr, arriving in San Diego International.Price includes taxes and charges.From $911, select.

Find the cheapest month to fly from San Diego to Missoula

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Diego to Missoula flights are currently cheapest in May.
Mar
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Apr
from $521
May
from $459
Jun
from $496
Jul
from $511
Aug
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Sep
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Oct
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Nov
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Dec
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Jan
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Direct flights from San Diego to Missoula

San Diego to Missoula: Alternative routes

Compare routes from San Diego 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 $459
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San Diego to Missoula: Flight information

The things to know before you go.
Cheapest flight found$459
Cheapest month to flyMay
Average flight time2 hrs, 48 mins
Most popular airlineHorizon Air
Average flights per week16

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

The best price we found for a return flight from San Diego to Missoula is $459. 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 to Missoula.
Horizon Air, Alaska Airlines and American Airlines fly direct from San Diego to Missoula.
As of March 2026, there are 16 flights per week flying from San Diego to Missoula.
The cheapest month to fly from San Diego to Missoula is usually May.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Diego to Missoula Airport on Monday, 11 May 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.
The cheapest airline that flies to Missoula is United .

How to find cheap flights to Missoula (MSO) from San Diego (SANA) in 2024

Looking for cheap tickets from San Diego to Missoula? Return tickets start from $459 and one-way flights to Missoula from San Diego start from $262


Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

  • Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets.
  • Compare flight deals to Missoula from San Diego from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to Missoula start from $262 one-way.
  • Flex your dates to find the best SANA-MSO ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to Missoula from San Diego.
  • Set up a Price Alert. You can easily track the fare of your cheap flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
  • Fly without stops. Only interested in direct flights between San Diego and Missoula? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights available on the route, these will appear in the results. Airlines that fly direct include: Horizon Air
    Alaska Airlines
    American Airlines
  • Find the cheapest Business class flights from San Diego and Missoula. We scour the internet for the best Business, Premium Economy and First Class flight fares to Missoula, too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
  • Include nearby airports in your search. Widen your search for San Diego to Missoula flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.
  • Search for cheap flights regardless of where you are. To get the best flight booking experience when out and about, download the app and search for plane tickets between San Diego and Missoula whenever you want.

Combine your flight to Missoula from San Diego with hotels and car hire

Once you've secured your cheap flight ticket from San Diego to Missoula, discover the best prices and exclusive rates for hotels in Missoula or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.


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.