Flight tickets from San Diego to Missoula

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      Travellers and cabin class, 1 Adult, Economy
      Alaska Airlines
      Horizon Air
      American Airlines

      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

      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 ₹ 42,115. Find the lowest prices on one-way and return tickets right here.
      How did we find these deals? The deals you see here are the lowest prices for flight tickets from San Diego to Missoula found in the last 4 days, and are subject to change and availability.

      Find the cheapest month to fly from San Diego to Missoula from ₹ 18,599 one-way

      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 October.

      Direct flights from San Diego to Missoula

      Alaska Airlines
      American Airlines
      Horizon Air

      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.

      San Diego to Missoula: Flight information

      The things to know before you go.
      Cheapest flight found₹ 18,599
      Cheapest month to flyOctober
      Average flight time2 hrs, 47 mins
      Most popular airlineAlaska Airlines
      Average flights per week3

      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 ₹ 37,256. 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 47 minutes is the average flight time from San Diego to Missoula.
      Alaska Airlines, Horizon Air and American Airlines fly direct from San Diego to Missoula.
      As of September 2026, there are 3 flights per week flying from San Diego to Missoula.
      The cheapest month to fly from San Diego to Missoula is usually November.
      After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Diego to Missoula Airport on Wednesday, 11 November 2026.
      Yes – the average flight time is 2 hours and 47 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 Alaska Airlines .

      Travelling from San Diego to Missoula Montana Airport (MSO): What you need to know

      • Your boarding pass to adventure starts at San Diego's main airport, San Diego International Airport (SAN). Explore the options for reserving a flight from San Diego to Missoula Montana Airport (MSO) leaving from this base.

      • 2 hours 50 minutes is the average duration of a direct San Diego to Missoula Montana Airport flight.

      • Missoula is one hour ahead of San Diego. Missoula Montana Airport is located in Missoula, which operates on the UTC-7 timezone.

      • To ensure you catch your flight from San Diego to MSO, leave plenty of time for things like baggage drop and finding your gate. Arriving two hours ahead of international departures and an hour before domestic flights is the general travel rule.

      • Travelling during a peak month like July? Popular seasons (like Christmas and New Year) can add another hour at security. Be extra cautious and arrive up to four hours ahead of an international flight and two hours before domestic departures.

      Airports in San Diego

      San Diego International Airport (SAN)

      • Reach your destination without the detour from San Diego International Airport (SAN). Direct flights from San Diego to Missoula Montana Airport (MSO) are available from here.

      • Alaska Airlines is a leading airline that operates direct flights from San Diego to Missoula Montana Airport departing from SAN.

      • Alaska Airlines is the most frequently chosen airline for flights from SAN to MSO.

      • SAN is around 5 kilometres from central San Diego. If you're driving, ride-sharing or catching a taxi from the centre, it'll take you 15 minutes or so to get there, depending on the traffic. If you're using public transport, expect the journey time to be around 25 minutes.

      • Want a leisurely start to your travels? Stay near San Diego International Airport. Whether you have an early flight from San Diego to Missoula Montana Airport or aren't a fan of being rushed, these hotels are the answer:

      • When it comes to San Diego International Airport's on-time performance, data shows 74% of flights arrive within the scheduled time frame.

      • The address for SAN is N Harbour Dr.

      McClellan-Palomar Airport (CLD)

      • CLD is roughly 48 kilometres from central San Diego. Plan ahead to find the fastest way to reach the terminal.

      • Get a head start on your holiday with an extra night away from home. Before catching your San Diego to MSO flight, stay in one of these hotels near McClellan-Palomar Airport:

      • Most flights that leave McClellan-Palomar Airport reach their destination right on cue. It maintains a strong on-time performance rate of 88%.

      About Missoula Montana Airport (MSO)

      Getting from Missoula Montana Airport (MSO) to central Missoula

      • Missoula Montana Airport to the centre of Missoula is about 8 kilometres. If you're renting a car or getting a taxi, do some research to make your trip as smooth as possible. Journey times can vary based on traffic and the time of day.

      • Travelling on public transport takes around 30 minutes.

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

      • ₹ 18,599 is currently the best price for a one-way ticket from San Diego to Missoula Montana Airport. Return flights start at ₹ 37,256. These prices may change based on demand and availability.

      • To score cheap flights from San Diego to MSO, book your plane ticket one month before your departure date.

      • June is when you're most likely to find a bargain on a San Diego to Missoula Montana Airport ticket. If you want to travel during a different time of year, the 'Whole month' tool will give you the lowest prices across every month.

      • Snapping up a cheap plane ticket from San Diego to MSO is a breeze with Price Alerts. Simply create one of these automatic alerts and we'll let you know when a lower fare pops up.

      • Save money on your flight from San Diego to Missoula Montana Airport by using filters. Select your preferred duration, departure time and airlines, then sort the results by 'Cheapest' for the best deals.

      The best time to fly from San Diego to Missoula Montana Airport (MSO)

      • December is the quietest month for flights from San Diego to Missoula Montana Airport (MSO), while July is the busiest. Work out the ideal time to go to Missoula based on whether you like a laid-back vibe or a lively atmosphere.

      • Lock in a San Diego to MSO plane ticket departing in July if you're eager to experience the city during its warmest month. Expect temperatures in Missoula to range from 8ºC to 33ºC.

      • January has temperatures of between -16ºC and 2ºC. Search for cheap tickets from San Diego to Missoula Montana Airport around that time if you'd rather travel in cooler conditions.

      More about Missoula

      Explore more of the United States

      • Missoula is easy to fall in love with, but there are so many other corners of the United States waiting to be discovered. About 257 kilometres west of Missoula, a visit to Spokane will keep your itinerary busy. Start with attractions like Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes.

      • If there's time to check out another major stop in the United States, consider Spokane Valley, roughly 257 kilometres west of Missoula. Appleway Trail, Splash Down Waterpark and Honour Point Military and Aerospace Museum are key highlights.

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