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Missoula

$226+ Cheap flights from San Diego to Missoula (SAN - MSO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — MSO
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheapflights Tip: The best prices from San Diego to Missoula Johnson-Bell Field are usually found in April or June, booked 30 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

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 December 4, 2025.

This Delta deal was found by Cheapflights users on 12/2. 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 12/175:31 pmSAN - MSO
1 stop6h 05mDelta
Sun 12/215:20 amMSO - SAN
1 stop4h 35mDelta
Deal found 12/2$421
This United Airlines deal was found by Cheapflights users on 12/2. 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 12/236:30 amSAN - MSO
1 stop8h 40mUnited Airlines
Wed 12/246:00 amMSO - SAN
1 stop7h 59mUnited Airlines
Deal found 12/2$482
This eDestinos deal was found by Cheapflights users on 12/2. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/279:24 pmSAN - MSO
1 stop25h 18mMultiple Airlines
Sat 1/36:00 amMSO - SAN
2 stops29h 13mMultiple Airlines
Deal found 12/2$483
This Alaska Airlines deal was found by Cheapflights users on 12/2. 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 12/179:10 amSAN - MSO
2 stops13h 45mAlaska Airlines
Sun 12/215:20 amMSO - SAN
2 stops7h 30mAlaska Airlines
Deal found 12/2$559
This United Airlines deal was found by Cheapflights users on 12/3. 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.
Sun 12/76:30 amSAN - MSO
1 stop8h 40mUnited Airlines
Tue 12/92:35 pmMSO - SAN
1 stop7h 10mUnited Airlines
Deal found 12/3$571
This United Airlines deal was found by Cheapflights users on 12/3. 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.
Sat 12/276:55 pmSAN - MSO
1 stop20h 15mUnited Airlines
Sat 1/35:15 pmMSO - SAN
1 stop6h 17mUnited Airlines
Deal found 12/3$603

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 December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$226
(Delta)

Popular in

December

Cheapest in

April

Average price

$601
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
Highest demand for flights based on searches. 10% potential increase in price ($43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 December 4, 2025.
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 3/11

11:15 am-12:24 am

2 stops12h 09m

Missoula Johnson-Bell Field

Tue 3/17

1:20 pm-10:32 pm

2 stops10h 12m

$226

San DiegoMissoula

SAN - MSO

SANMSO

San Diego

Sat 2/14

8:26 pm-12:21 pm

1 stop14h 55m

Missoula Johnson-Bell Field

Tue 2/17

1:39 pm-4:46 pm

1 stop28h 07m

$234

San DiegoMissoula

SAN - MSO

SANMSO

San Diego

Sat 2/14

10:19 am-11:59 pm

2 stops12h 40m

Missoula Johnson-Bell Field

Wed 2/18

6:23 am-9:49 pm

1 stop16h 26m

$252

San DiegoMissoula

SAN - MSO

SANMSO

San Diego

Fri 1/9

11:00 am-12:29 am

2 stops12h 29m

Missoula Johnson-Bell Field

Mon 1/12

5:00 am-12:48 pm

2 stops8h 48m

$256

San DiegoMissoula

SAN - MSO

SANMSO

San Diego

Thu 1/8

1:45 pm-12:29 am

2 stops9h 44m

Missoula Johnson-Bell Field

Mon 1/12

5:00 am-12:48 pm

2 stops8h 48m

$256

San DiegoMissoula

SAN - MSO

SANMSO

San Diego

Thu 1/8

12:47 pm-11:55 pm

2 stops10h 08m

Missoula Johnson-Bell Field

Mon 1/12

1:03 pm-8:33 am

2 stops20h 30m

$275

San DiegoMissoula

SAN - MSO

SANMSO

San Diego

Sat 2/14

6:30 am-4:09 pm

1 stop8h 39m

Missoula Johnson-Bell Field

Wed 2/18

5:05 pm-10:35 pm

1 stop6h 30m

$284

San DiegoMissoula

SAN - MSO

SANMSO

San Diego

Thu 1/15

6:30 am-4:05 pm

1 stop8h 35m

Missoula Johnson-Bell Field

Fri 1/16

5:15 pm-10:37 pm

1 stop6h 22m

$284

San DiegoMissoula

SAN - MSO

SANMSO

San Diego

Fri 12/26

6:30 am-1:36 pm

1 stop6h 06m

$255

San DiegoMissoula

SAN - MSO

SANMSO

San Diego

Fri 12/26

9:24 pm-11:42 pm

1 stop25h 18m

$347

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

Showing 1-10 of 12 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 December.
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 November 28, 2025.

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 March is currently the most expensive (average of $266). 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.

What is the cheapest time of day to fly from SAN to MSO?

Find hourly flight availability from San Diego to Missoula. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 4, 2025.

A simple way to save on the total cost of your ticket is to fly from San Diego to Missoula in the evening. If you’re flexible enough to do this you can expect to save up to 35% on your trip compared to booking a flight at noon.

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 December 4, 2025.
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
11,398 reviews

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.
Alaska Airlines
8.0
Very good
11,398 reviews
Alaska Airlines
8.0
Very good
11,398 reviews

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.
Delta
7.9
Good
8,011 reviews
Alaska Airlines
8.0
Very good
11,398 reviews

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.
Hawaiian Airlines
7.8
Good
2,815 reviews
Alaska Airlines
8.0
Very good
11,398 reviews

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.
United Airlines
7.4
Good
9,066 reviews
Alaska Airlines
8.0
Very good
11,398 reviews

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.

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 12h 09m. 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 43% 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 March is currently the most expensive (average of $266). 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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$263Average$347FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$276Average$456FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$282Average$384FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$320Average$401FlexibilityNo cancel feeOn-time69%

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