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Missoula

$152+ Cheap flights from San Diego to Missoula (SAN - MSO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — MSO
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
1 adult, Economy
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Cheap flight deals from San Diego to Missoula

Cheapest flights from San Diego to Missoula
Explore the most affordable flight options available from San Diego to Missoula. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2026.

This Delta deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/17:05 pm
SAN
-
MSO
1 stop4h 19m
Delta
Wed 4/85:20 am
MSO
-
SAN
1 stop4h 25m
Delta
Deal found 1/20$237
This Delta deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/186:15 am
SAN
-
MSO
1 stop5h 11m
Delta
Wed 2/255:15 am
MSO
-
SAN
2 stops10h 14m
Delta
Deal found 1/19$242
This United Airlines deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2412:55 pm
SAN
-
MSO
1 stop8h 02m
United Airlines
Fri 2/275:08 pm
MSO
-
SAN
1 stop6h 27m
United Airlines
Deal found 1/18$249
This Delta deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/246:15 am
SAN
-
MSO
1 stop5h 11m
Delta
Fri 2/271:16 pm
MSO
-
SAN
2 stops10h 04m
Delta
Deal found 1/18$254
This Delta deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/25:00 pm
SAN
-
MSO
1 stop5h 30m
Delta
Fri 3/66:10 pm
MSO
-
SAN
1 stop6h 36m
Delta
Deal found 1/19$261
This Alaska Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:15 am
SAN
-
MSO
1 stop16h 41m
Alaska Airlines
Mon 5/183:39 pm
MSO
-
SAN
1 stop19h 17m
Alaska Airlines
Deal found 1/20$265
This Delta deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:12 pm
SAN
-
MSO
1 stop4h 04m
Delta
Tue 5/55:04 am
MSO
-
SAN
1 stop4h 38m
Delta
Deal found 1/18$272
This Alaska Airlines deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/188:30 am
SAN
-
MSO
2 stops14h 29m
Alaska Airlines
Wed 2/256:23 am
MSO
-
SAN
2 stops16h 11m
Alaska Airlines
Deal found 1/19$273
This Expedia deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/248:59 pm
SAN
-
MSO
2 stops14h 22m
Alaska Airlines
Fri 2/274:20 pm
MSO
-
SAN
2 stops18h 14m
Alaska Airlines
Deal found 1/18$279

Find flight deals from San Diego to Missoula

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Missoula (MSO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$237
(Delta)

One-way from

$152
(Travelocity)

Popular in

December

Cheapest in

April

Average price

$341
Provider with most accurate pricing for San Diego-Missoula Johnson-Bell Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Missoula Johnson-Bell Field flights.
Search Deals
From San Diego to Missoula Johnson-Bell Field
Search Deals
One-way flight from San Diego to Missoula Johnson-Bell Field
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego to Missoula that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 20, 2026.
Use the filters below to find and compare flights from San Diego to Missoula that are best for you.

Fly from

San Diego

Fly to

Missoula

Route

Depart

Return

Price

San DiegoMissoula

SAN - MSO

SANMSO

San Diego

Wed 2/18

6:15 am-12:26 pm

1 stop5h 11m

Missoula Johnson-Bell Field

Wed 2/25

6:10 pm-11:46 pm

1 stop6h 36m

$237

San DiegoMissoula

SAN - MSO

SANMSO

San Diego

Wed 4/1

7:05 pm-12:24 am

1 stop4h 19m

Missoula Johnson-Bell Field

Wed 4/8

5:20 am-8:45 am

1 stop4h 25m

$237

San DiegoMissoula

SAN - MSO

SANMSO

San Diego

Tue 2/24

12:55 pm-9:57 pm

1 stop8h 02m

Missoula Johnson-Bell Field

Fri 2/27

5:08 pm-10:35 pm

1 stop6h 27m

$249

San DiegoMissoula

SAN - MSO

SANMSO

San Diego

Tue 2/24

6:15 am-12:26 pm

1 stop5h 11m

Missoula Johnson-Bell Field

Fri 2/27

6:10 pm-11:46 pm

1 stop6h 36m

$249

San DiegoMissoula

SAN - MSO

SANMSO

San Diego

Thu 4/30

7:12 pm-12:16 am

1 stop4h 04m

Missoula Johnson-Bell Field

Tue 5/5

5:04 am-8:42 am

1 stop4h 38m

$272

San DiegoMissoula

SAN - MSO

SANMSO

San Diego

Wed 2/18

8:30 am-11:59 pm

2 stops14h 29m

Missoula Johnson-Bell Field

Wed 2/25

6:23 am-9:34 pm

2 stops16h 11m

$273

San DiegoMissoula

SAN - MSO

SANMSO

San Diego

Mon 3/2

6:42 pm-12:21 pm

2 stops16h 39m

Missoula Johnson-Bell Field

Fri 3/6

1:39 pm-9:34 am

2 stops20h 55m

$289

San DiegoMissoula

SAN - MSO

SANMSO

San Diego

Mon 3/2

6:15 am-12:26 pm

1 stop5h 11m

Missoula Johnson-Bell Field

Fri 3/6

1:16 pm-11:04 pm

2 stops10h 48m

$289

San DiegoMissoula

SAN - MSO

SANMSO

San Diego

Fri 3/6

6:15 am-12:26 pm

1 stop5h 11m

Missoula Johnson-Bell Field

Sun 3/8

5:20 am-12:48 pm

2 stops8h 28m

$306

San DiegoMissoula

SAN - MSO

SANMSO

San Diego

Tue 2/17

1:04 pm-11:59 pm

2 stops9h 55m

$152

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/18

Showing 1-10 of 19 results
1
2

Compare providers for flights from San Diego to Missoula

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Missoula in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Diego-Missoula flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Missoula flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Missoula flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-Missoula flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Diego-Missoula flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Diego to Missoula

Have a flexible travel schedule? Discover the best time to fly to Missoula from San Diego with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Diego to Missoula

How far ahead should I book a flight from San Diego to Missoula?

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Missoula. Price data was last updated on January 16, 2026.

To ensure you get the cheapest price possible for a flight from San Diego to Missoula, you should look to book at least 30 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from San Diego to Missoula?

Currently, May is the cheapest month in which you can book a flight from San Diego to Missoula (average of $90). Flying from San Diego to Missoula in December is currently the most expensive (average of $276). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Missoula

Get insights into the airlines that provide service to Missoula. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Missoula. Reviews last updated January 20, 2026.
Read through reviews of airlines operating flights from San Diego to Missoula, such as Alaska Airlines, Delta, and Hawaiian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,763 reviews

Crew

8.5

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,763 reviews
Alaska Airlines
8.0
Very good
11,763 reviews

Crew

8.5

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,081 reviews
Alaska Airlines
8.0
Very good
11,763 reviews

Crew

8.5

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Hawaiian Airlines
7.8
Good
2,829 reviews
Alaska Airlines
8.0
Very good
11,763 reviews

Crew

8.5

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,188 reviews
Alaska Airlines
8.0
Very good
11,763 reviews

Crew

8.5

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Related info for your journey

Find useful and relevant information for your journey from San Diego to Missoula. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from San Diego to Missoula?

    There are many flights that can get you from San Diego to Missoula in 5h 11m. Fly via Delta to get the fastest option. There are 993 mi between San Diego and Missoula.

  • What are the cheapest airlines flying from San Diego to Missoula round-trip?

    Hawaiian Airlines, at $223, was found to be the cheapest airline from San Diego to Missoula.Alternate airlines to your destination round-trip include Delta and Alaska Airlines. Users have found that Hawaiian Airlines is 42% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from San Diego to Missoula one-way?

    One-way options have recently been found by users for as low as $128 on United Airlines. Other airlines that offer cheap prices include Delta from $143 and Alaska Airlines from $163 one-way.

  • Can I find deals for flights from San Diego to Missoula that include hotel bookings?

    Yes. In addition to deals on San Diego to Missoula flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to Missoula?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Missoula.

  • Can I find deals for business class flights from San Diego to Missoula?

    Yes. Cheapflights offers flight deals from San Diego to Missoula by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Diego to Missoula?

    Currently, May is the cheapest month in which you can book a flight from San Diego to Missoula (average of $90). Flying from San Diego to Missoula in December is currently the most expensive (average of $276). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 4 airlines flying from San Diego to Missoula

Discover the top 4 airlines that operate flights from San Diego to Missoula. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$223Average$456FlexibilityNo cancel feeOn-time85%
DeltaCheapest$263Average$348FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$282Average$386FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$283Average$358FlexibilityNo cancel feeOn-time69%

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