$143+ 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — MSO
Mar 5 — Mar 121
1 adult, Economy
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Find cheap flights from San Diego to Missoula with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Diego to Missoula
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Best
Last-minute
One-way
Cheapest flights from San Diego to MissoulaExplore 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 February 3, 2026.
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 February 3, 2026.
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/17:16 am
SAN
- MSO
2 stops15h 41m
Alaska Airlines
Wed 4/87:00 am
MSO
- SAN
2 stops10h 25m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$272
This Alaska Airlines deal was found by Cheapflights users on 1/31. 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.
Tue 2/248:30 am
SAN
- MSO
2 stops14h 29m
Alaska Airlines
Sat 2/286:23 am
MSO
- SAN
2 stops16h 11m
Alaska Airlines
Deal found 1/31![Alaska Airlines logo]()
$283
This Delta deal was found by Cheapflights users on 2/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:15 am
SAN
- MSO
1 stop5h 01m
Delta
Wed 4/86:04 pm
MSO
- SAN
1 stop6h 44m
Delta
Deal found 2/3![Delta logo]()
$284
This Alaska Airlines deal was found by Cheapflights users on 2/1. 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.
Mon 3/29:06 pm
SAN
- MSO
2 stops25h 53m
Alaska Airlines
Mon 3/94:20 pm
MSO
- SAN
2 stops16h 58m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$294
This Delta deal was found by Cheapflights users on 2/2. 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.
Tue 9/223:59 pm
SAN
- MSO
2 stops7h 25m
Delta
Sat 9/265:40 am
MSO
- SAN
2 stops9h 59m
Delta
Deal found 2/2![Delta logo]()
$295
This Delta deal was found by Cheapflights users on 2/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:15 am
SAN
- MSO
1 stop5h 11m
Delta
Sun 3/15:15 am
MSO
- SAN
1 stop4h 33m
Delta
Deal found 2/3![Delta logo]()
$307
This Delta deal was found by Cheapflights users on 2/2. 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.
Tue 3/1011:54 am
SAN
- MSO
1 stop7h 08m
Delta
Fri 3/131:07 pm
MSO
- SAN
2 stops10h 20m
Delta
Deal found 2/2![Delta logo]()
$309
Best flights from San Diego to MissoulaDiscover carefully curated flight deals from San Diego to Missoula that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
Discover carefully curated flight deals from San Diego to Missoula that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/17:16 am
SAN
- MSO
2 stops15h 41m
Alaska Airlines
Wed 4/87:00 am
MSO
- SAN
2 stops10h 25m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$272
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Mon 3/26:30 am
SAN
- MSO
1 stop6h 02m
United Airlines
Mon 3/92:35 pm
MSO
- SAN
1 stop7h 28m
United Airlines
Deal found 2/1![United Airlines logo]()
$284
This Delta deal was found by Cheapflights users on 2/1. 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 4/15:01 pm
SAN
- MSO
1 stop6h 23m
Delta
Wed 4/85:20 am
MSO
- SAN
1 stop4h 25m
Delta
Deal found 2/1![Delta logo]()
$284
This Alaska Airlines deal was found by Cheapflights users on 1/31. 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.
Tue 2/248:30 am
SAN
- MSO
2 stops14h 29m
Alaska Airlines
Sat 2/286:23 am
MSO
- SAN
2 stops16h 11m
Alaska Airlines
Deal found 1/31![Alaska Airlines logo]()
$283
This Delta deal was found by Cheapflights users on 2/2. 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 3/45:00 pm
SAN
- MSO
1 stop5h 30m
Delta
Wed 3/116:04 pm
MSO
- SAN
1 stop6h 44m
Delta
Deal found 2/2![Delta logo]()
$284
This Delta deal was found by Cheapflights users on 2/1. 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 3/26:15 am
SAN
- MSO
1 stop5h 11m
Delta
Mon 3/95:20 am
MSO
- SAN
2 stops8h 28m
Delta
Deal found 2/1![Delta logo]()
$289
Last-minute flights from San Diego to MissoulaDiscover last-minute flight deals from San Diego to Missoula. Data last updated February 3, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Missoula. Data last updated February 3, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 1/31. 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.
Tue 2/248:30 am
SAN
- MSO
2 stops14h 29m
Alaska Airlines
Sat 2/286:23 am
MSO
- SAN
2 stops16h 11m
Alaska Airlines
Deal found 1/31![Alaska Airlines logo]()
$283
This Delta deal was found by Cheapflights users on 2/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:15 am
SAN
- MSO
1 stop5h 11m
Delta
Sun 3/15:15 am
MSO
- SAN
1 stop4h 33m
Delta
Deal found 2/3![Delta logo]()
$307
This Delta deal was found by Cheapflights users on 2/1. 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.
Sun 3/16:15 am
SAN
- MSO
1 stop5h 11m
Delta
Sun 3/85:20 am
MSO
- SAN
1 stop4h 25m
Delta
Deal found 2/1![Delta logo]()
$327
This Delta deal was found by Cheapflights users on 2/1. 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
Mon 3/96:04 pm
MSO
- SAN
1 stop6h 44m
Delta
Deal found 2/1![Delta logo]()
$284
This Alaska Airlines deal was found by Cheapflights users on 2/1. 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.
Mon 3/29:06 pm
SAN
- MSO
2 stops25h 53m
Alaska Airlines
Mon 3/94:20 pm
MSO
- SAN
2 stops16h 58m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$294
This Delta deal was found by Cheapflights users on 2/2. 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.
Tue 3/1011:54 am
SAN
- MSO
1 stop7h 08m
Delta
Fri 3/131:07 pm
MSO
- SAN
2 stops10h 20m
Delta
Deal found 2/2![Delta logo]()
$309
One-way flights from San Diego to MissoulaSearch for one-way flight options from San Diego to Missoula. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
Search for one-way flight options from San Diego to Missoula. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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.
Tue 3/35:00 pm
SAN
- MSO
2 stops29h 59m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$143
This Delta deal was found by Cheapflights users on 2/2. 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.
Tue 3/36:15 am
SAN
- MSO
1 stop5h 11m
Delta
Deal found 2/2![Delta logo]()
$154
This Expedia deal was found by Cheapflights users on 2/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/38:42 am
SAN
- MSO
2 stops14h 15m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$157
This Delta deal was found by Cheapflights users on 2/2. 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.
Fri 3/610:59 am
SAN
- MSO
2 stops11h 31m
Delta
Deal found 2/2![Delta logo]()
$159
This Expedia deal was found by Cheapflights users on 2/1. 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.
Mon 7/68:30 am
SAN
- MSO
Nonstop2h 49m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$164
This Expedia deal was found by Cheapflights users on 2/1. 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.
Sat 6/207:30 am
SAN
- MSO
1 stop6h 53m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$174
This Delta deal was found by Cheapflights users on 2/1. 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 7/73:59 pm
SAN
- MSO
2 stops7h 25m
Delta
Deal found 2/1![Delta logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/228:39 pm
SAN
- MSO
1 stop21h 48m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$214
This Alaska Airlines deal was found by Cheapflights users on 2/1. 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 6/68:03 am
SAN
- MSO
2 stops14h 53m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$219
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 February 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $281 (Alaska Airlines) |
One-way from | $143 (Alaska Airlines) |
Popular in | December |
Cheapest in | April |
Average price | $367 |
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 February 3, 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
7:16 am-11:57 pm
2 stops15h 41m
Missoula Johnson-Bell Field
Wed 4/8
7:00 am-4:25 pm
2 stops10h 25m
$272
San DiegoMissoula
SAN - MSO
SANMSO
San Diego
Tue 2/24
8:30 am-11:59 pm
2 stops14h 29m
Missoula Johnson-Bell Field
Sat 2/28
6:23 am-9:34 pm
2 stops16h 11m
$283
San DiegoMissoula
SAN - MSO
SANMSO
San Diego
Mon 3/2
6:30 am-1:32 pm
1 stop6h 02m
Missoula Johnson-Bell Field
Mon 3/9
2:35 pm-9:03 pm
1 stop7h 28m
$284
San DiegoMissoula
SAN - MSO
SANMSO
San Diego
Wed 4/1
5:01 pm-12:24 am
1 stop6h 23m
Missoula Johnson-Bell Field
Wed 4/8
5:20 am-8:45 am
1 stop4h 25m
$284
San DiegoMissoula
SAN - MSO
SANMSO
San Diego
Wed 3/4
5:00 pm-11:30 pm
1 stop5h 30m
Missoula Johnson-Bell Field
Wed 3/11
6:04 pm-11:48 pm
1 stop6h 44m
$284
San DiegoMissoula
SAN - MSO
SANMSO
San Diego
Mon 3/2
6:15 am-12:26 pm
1 stop5h 11m
Missoula Johnson-Bell Field
Mon 3/9
5:20 am-12:48 pm
2 stops8h 28m
$289
San DiegoMissoula
SAN - MSO
SANMSO
San Diego
Tue 3/3
5:00 pm-11:59 pm
2 stops29h 59m
$143
San DiegoMissoula
SAN - MSO
SANMSO
San Diego
Fri 4/3
6:15 am-12:16 pm
1 stop5h 01m
$154
San DiegoMissoula
SAN - MSO
SANMSO
San Diego
Sat 6/6
6:35 am-1:27 pm
1 stop5h 52m
$154
San DiegoMissoula
SAN - MSO
SANMSO
San Diego
Fri 6/5
3:15 pm-11:37 pm
1 stop7h 22m
$154
Showing 1-10 of 17 results
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 February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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 FlightHub the most. FlightHub 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.
SAN-MSO
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 30, 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 February 3, 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.
Crew
8.5
Comfort
7.8
Boarding
8.1
Overall
8.0
Entertainment
7.0
Food
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Crew
8.5
Comfort
7.8
Boarding
8.1
Overall
8.0
Entertainment
7.0
Food
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Crew
8.5
Comfort
7.8
Boarding
8.1
Overall
8.0
Entertainment
7.0
Food
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Crew
8.5
Comfort
7.8
Boarding
8.1
Overall
8.0
Entertainment
7.0
Food
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Crew
8.5
Comfort
7.8
Boarding
8.1
Overall
8.0
Entertainment
7.0
Food
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for San Diego to Missoula
See prices for flight routes from nearby airports that may be better suited for you.
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 February 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$223 | Average$456 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$263 | Average$341 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$282 | Average$386 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$283 | Average$358 | FlexibilityNo cancel fee | On-time69% |