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$108+ 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — MSO
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
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Cheap 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 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$237
(Delta)

One-way from

$108
(Trip.com)

Popular in

December

Cheapest in

January

Average price

$320
Provider with most accurate pricing for San Diego-Missoula Johnson-Bell Field flight deals.
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Provider most trusted by Cheapflights users for San Diego-Missoula Johnson-Bell Field flights.
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From San Diego to Missoula Johnson-Bell Field
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One-way flight from San Diego to Missoula Johnson-Bell Field
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Highest demand for flights based on searches. 7% potential increase in price ($33 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find 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 15, 2026.

This Delta deal was found by Cheapflights users on 1/15. 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 14m
Delta
Wed 4/81:07 pm
MSO
-
SAN
1 stop6h 28m
Delta
Deal found 1/15$237
This Delta deal was found by Cheapflights users on 1/15. 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 3/45:00 pm
SAN
-
MSO
1 stop5h 30m
Delta
Sun 3/85:04 am
MSO
-
SAN
2 stops8h 44m
Delta
Deal found 1/15$271
This Delta deal was found by Cheapflights users on 1/14. 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 2/245:00 pm
SAN
-
MSO
1 stop5h 30m
Delta
Sat 2/285:15 am
MSO
-
SAN
2 stops12h 09m
Delta
Deal found 1/14$273
This Expedia deal was found by Cheapflights users on 1/14. 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 2/2410:09 pm
SAN
-
MSO
2 stops13h 12m
Alaska Airlines
Sat 2/286:23 am
MSO
-
SAN
2 stops8h 47m
Alaska Airlines
Deal found 1/14$282
This Delta deal was found by Cheapflights users on 1/14. 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 9/226:20 am
SAN
-
MSO
1 stop7h 17m
Delta
Sat 9/265:40 am
MSO
-
SAN
1 stop4h 19m
Delta
Deal found 1/14$284
This Alaska Airlines deal was found by Cheapflights users on 1/14. 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.
Sat 7/49:20 am
SAN
-
MSO
Nonstop2h 49m
Alaska Airlines
Sat 7/111:44 pm
MSO
-
SAN
Nonstop2h 59m
Alaska Airlines
Deal found 1/14$287
This Delta deal was found by Cheapflights users on 1/14. 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 2/2610:59 am
SAN
-
MSO
2 stops11h 31m
Delta
Sun 3/15:15 am
MSO
-
SAN
1 stop4h 33m
Delta
Deal found 1/14$306

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 15, 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 4/1

7:05 pm-12:19 am

1 stop4h 14m

Missoula Johnson-Bell Field

Wed 4/8

1:07 pm-6:35 pm

1 stop6h 28m

$237

San DiegoMissoula

SAN - MSO

SANMSO

San Diego

Tue 2/24

5:00 pm-11:30 pm

1 stop5h 30m

Missoula Johnson-Bell Field

Sat 2/28

5:15 am-4:24 pm

2 stops12h 09m

$273

San DiegoMissoula

SAN - MSO

SANMSO

San Diego

Tue 2/24

10:09 pm-12:21 pm

2 stops13h 12m

Missoula Johnson-Bell Field

Sat 2/28

6:23 am-2:10 pm

2 stops8h 47m

$282

San DiegoMissoula

SAN - MSO

SANMSO

San Diego

Sat 7/4

9:20 am-1:09 pm

Nonstop2h 49m

Missoula Johnson-Bell Field

Sat 7/11

1:44 pm-3:43 pm

Nonstop2h 59m

$287

San DiegoMissoula

SAN - MSO

SANMSO

San Diego

Thu 2/26

10:59 am-11:30 pm

2 stops11h 31m

Missoula Johnson-Bell Field

Sun 3/1

5:15 am-8:48 am

1 stop4h 33m

$306

San DiegoMissoula

SAN - MSO

SANMSO

San Diego

Thu 4/16

5:00 pm-12:16 am

1 stop6h 16m

Missoula Johnson-Bell Field

Sun 4/19

6:18 pm-11:42 pm

1 stop6h 24m

$307

San DiegoMissoula

SAN - MSO

SANMSO

San Diego

Thu 2/26

3:45 pm-11:59 pm

1 stop7h 14m

Missoula Johnson-Bell Field

Sun 3/1

6:23 am-11:03 pm

1 stop17h 40m

$330

San DiegoMissoula

SAN - MSO

SANMSO

San Diego

Thu 1/29

2:56 pm-10:03 am

1 stop18h 07m

$108

San DiegoMissoula

SAN - MSO

SANMSO

San Diego

Thu 2/19

6:25 am-3:15 pm

2 stops31h 50m

$147

San DiegoMissoula

SAN - MSO

SANMSO

San Diego

Fri 2/6

8:09 pm-12:23 pm

2 stops15h 14m

$153

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Showing 1-10 of 17 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
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Diego-Missoula flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 9, 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 15, 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
11,721 reviews

Comfort

7.8

Overall

8.0

Entertainment

7.0

Food

7.1

Boarding

8.1

Crew

8.5

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
11,721 reviews
Alaska Airlines
8.0
Very good
11,721 reviews

Comfort

7.8

Overall

8.0

Entertainment

7.0

Food

7.1

Boarding

8.1

Crew

8.5

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
8,049 reviews
Alaska Airlines
8.0
Very good
11,721 reviews

Comfort

7.8

Overall

8.0

Entertainment

7.0

Food

7.1

Boarding

8.1

Crew

8.5

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
2,827 reviews
Alaska Airlines
8.0
Very good
11,721 reviews

Comfort

7.8

Overall

8.0

Entertainment

7.0

Food

7.1

Boarding

8.1

Crew

8.5

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
9,164 reviews
Alaska Airlines
8.0
Very good
11,721 reviews

Comfort

7.8

Overall

8.0

Entertainment

7.0

Food

7.1

Boarding

8.1

Crew

8.5

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 4h 14m. Fly via Delta or Alaska Airlines to get the fastest option. There are 993 mi between San Diego and Missoula. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $148 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 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$223Average$456FlexibilityNo cancel feeOn-time85%
DeltaCheapest$263Average$356FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$282Average$386FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$283Average$358FlexibilityNo cancel feeOn-time69%

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