$173+ 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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — MSO
Oct 10 — Oct 171
Round-trip
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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
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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 September 10, 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 September 10, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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 11/149:15 am -
1 stop11h 03m
Tue 11/172:02 pm -
1 stop5h 45m
Deal found 9/9![Alaska Airlines logo]()
$343
This Orbitz deal was found by Cheapflights users on 9/7. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/139:15 am -
1 stop11h 03m
Tue 11/171:02 pm -
2 stops10h 33m
Deal found 9/7![Alaska Airlines logo]()
$353
This Delta deal was found by Cheapflights users on 9/6. 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 10/141:53 pm -
2 stops9h 38m
Mon 10/195:30 am -
2 stops8h 28m
Deal found 9/6![Delta logo]()
$369
This Delta deal was found by Cheapflights users on 9/6. 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 10/231:53 pm -
2 stops9h 38m
Sun 10/255:30 am -
2 stops8h 28m
Deal found 9/6![Delta logo]()
$374
This Expedia deal was found by Cheapflights users on 9/8. 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 11/97:10 am -
2 stops13h 08m
Wed 11/117:03 am -
2 stops12h 38m
Deal found 9/8![Alaska Airlines logo]()
$376
This Travelocity deal was found by Cheapflights users on 9/7. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/139:20 pm -
2 stops15h 02m
Mon 11/167:03 am -
1 stop9h 47m
Deal found 9/7![Alaska Airlines logo]()
$381
This Alaska Airlines deal was found by Cheapflights users on 9/8. 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 11/117:00 am -
1 stop5h 22m
Fri 11/134:21 pm -
2 stops17h 21m
Deal found 9/8![Alaska Airlines logo]()
$389
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 September 10, 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 September 10, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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 11/149:15 am -
1 stop11h 03m
Tue 11/172:02 pm -
1 stop5h 45m
Deal found 9/9![Alaska Airlines logo]()
$343
This Alaska Airlines deal was found by Cheapflights users on 9/8. 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 11/117:00 am -
1 stop5h 22m
Fri 11/134:21 pm -
2 stops17h 21m
Deal found 9/8![Alaska Airlines logo]()
$389
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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.
Fri 11/138:42 am -
2 stops11h 36m
Tue 11/177:03 am -
2 stops12h 38m
Deal found 9/7![Alaska Airlines logo]()
$445
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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 9/222:19 pm -
2 stops7h 42m
Sat 9/267:00 am -
2 stops13h 02m
Deal found 9/6![Alaska Airlines logo]()
$476
Last-minute flights from San Diego to MissoulaDiscover last-minute flight deals from San Diego to Missoula. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Missoula. Data last updated September 10, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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.
Fri 10/26:35 pm -
1 stop19h 15m
Fri 10/93:49 pm -
1 stop27h 03m
Deal found 9/6![Alaska Airlines logo]()
$463
This Delta deal was found by Cheapflights users on 9/6. 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 10/141:53 pm -
2 stops9h 38m
Mon 10/195:30 am -
2 stops8h 28m
Deal found 9/6![Delta logo]()
$369
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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 10/146:15 am -
1 stop7h 35m
Mon 10/193:49 pm -
1 stop27h 03m
Deal found 9/6![Alaska Airlines logo]()
$418
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Wed 10/147:00 am -
1 stop8h 20m
Mon 10/195:19 pm -
1 stop6h 08m
Deal found 9/8![United Airlines logo]()
$467
This Expedia deal was found by Cheapflights users on 9/6. 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 10/235:20 pm -
1 stop20h 30m
Sun 10/253:49 pm -
1 stop19h 17m
Deal found 9/6![Alaska Airlines logo]()
$348
This Delta deal was found by Cheapflights users on 9/6. 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 10/231:53 pm -
2 stops9h 38m
Sun 10/255:30 am -
2 stops8h 28m
Deal found 9/6![Delta logo]()
$374
This Alaska Airlines deal was found by Cheapflights users on 9/8. 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 10/246:15 am -
1 stop14h 49m
Sun 10/253:49 pm -
1 stop21h 01m
Deal found 9/8![Alaska Airlines logo]()
$413
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Sat 10/242:01 pm -
1 stop24h 52m
Sun 10/258:39 pm -
2 stops13h 10m
Deal found 9/8![Multiple Airlines logo]()
$435
This Delta deal was found by Cheapflights users on 9/8. 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.
Sat 10/2411:02 am -
2 stops10h 49m
Sun 10/255:30 am -
2 stops10h 34m
Deal found 9/8![Delta logo]()
$473
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 September 10, 2026.
Search for one-way flight options from San Diego to Missoula. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Fri 10/238:34 pm -
2 stops42h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 9/7. 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.
Thu 9/246:25 am -
2 stops13h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$200
This Delta deal was found by Cheapflights users on 9/5. 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.
Sat 12/511:06 am -
2 stops11h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Delta logo]()
$212
This Delta deal was found by Cheapflights users on 9/5. 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 12/47:20 am -
2 stops9h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Delta logo]()
$217
This Priceline deal was found by Cheapflights users on 9/5. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:15 am -
1 stop7h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Alaska Airlines logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 9/7. 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.
Fri 1/16:22 pm -
1 stop14h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$246
This Alaska Airlines deal was found by Cheapflights users on 9/5. 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.
Fri 12/48:42 pm -
2 stops17h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Alaska Airlines logo]()
$250
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Fri 10/97:00 am -
1 stop8h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![United Airlines logo]()
$254
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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 1/28:51 pm -
1 stop15h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Alaska Airlines logo]()
$259
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Fri 10/237:00 am -
1 stop8h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![United Airlines logo]()
$264
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 September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $343 (Alaska Airlines) |
One-way from | $173 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $553 |
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 7,457,451 searches. Data last updated September 10, 2026.
Use the filters below to find and compare flights from San Diego to Missoula that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San DiegoMissoula
SAN San Diego - MSO Missoula Johnson-Bell Field
SANMSO
San Diego
Fri 10/23
8:34 pm-3:53 pm
2 stops42h 19m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$173
San DiegoMissoula
SAN San Diego - MSO Missoula Johnson-Bell Field
SANMSO
San Diego
Fri 12/4
11:52 am-12:32 pm
1 stop23h 40m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$237
San DiegoMissoula
SAN San Diego - MSO Missoula Johnson-Bell Field
SANMSO
San Diego
Fri 10/9
7:00 am-4:20 pm
1 stop8h 20m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$254
San DiegoMissoula
SAN San Diego - MSO Missoula Johnson-Bell Field
SANMSO
San Diego
Sat 1/2
8:51 pm-1:22 pm
1 stop15h 31m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$259
San DiegoMissoula
SAN San Diego - MSO Missoula Johnson-Bell Field
SANMSO
San Diego
Mon 10/5
8:55 pm-2:50 pm
2 stops16h 55m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$261
San DiegoMissoula
SAN San Diego - MSO Missoula Johnson-Bell Field
SANMSO
San Diego
Fri 10/23
7:00 am-4:20 pm
1 stop8h 20m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$264
Quickest round-trip
San DiegoMissoula
SAN San Diego - MSO Missoula Johnson-Bell Field
SANMSO
San Diego
Tue 9/22
7:43 am-3:24 pm
1 stop6h 41m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$310
San DiegoMissoula
SAN San Diego - MSO Missoula Johnson-Bell Field
SANMSO
San Diego
Sat 11/14
9:15 am-9:18 pm
1 stop11h 03m
Missoula Johnson-Bell Field
Tue 11/17
2:02 pm-6:47 pm
1 stop5h 45m
$343
San DiegoMissoula
SAN San Diego - MSO Missoula Johnson-Bell Field
SANMSO
San Diego
Wed 11/11
7:00 am-1:22 pm
1 stop5h 22m
Missoula Johnson-Bell Field
Fri 11/13
4:21 pm-8:42 am
2 stops17h 21m
$389
San DiegoMissoula
SAN San Diego - MSO Missoula Johnson-Bell Field
SANMSO
San Diego
Fri 11/13
8:42 am-9:18 pm
2 stops11h 36m
Missoula Johnson-Bell Field
Tue 11/17
7:03 am-6:41 pm
2 stops12h 38m
$445
Showing 1-10 of 11 resultsSorted by cheapest first
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 September.
| 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
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 September 10, 2026.
Read through reviews of airlines operating flights from San Diego to Missoula, such as Alaska Airlines,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Boarding
8.1
Entertainment
7.0
Crew
8.5
Food
7.0
Comfort
7.8
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Overall
7.9
Boarding
8.1
Entertainment
7.0
Crew
8.5
Food
7.0
Comfort
7.8
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Overall
7.9
Boarding
8.1
Entertainment
7.0
Crew
8.5
Food
7.0
Comfort
7.8
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Overall
7.9
Boarding
8.1
Entertainment
7.0
Crew
8.5
Food
7.0
Comfort
7.8
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
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.
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Other flights to Missoula
Explore flights to Missoula departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 10, 2026.
San Diego and Missoula flights
Browse other San Diego and Missoula flight options. Last updated on September 10, 2026.
Other flights from San Diego
Browse through other flights departing from San Diego. Flights are based on user searches made on Cheapflights and were last updated on September 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from San Diego to Missoula
Discover the top 3 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 7,457,451 searches. Data last updated September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$294 | Average$439 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$335 | Average$469 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$346 | Average$531 | FlexibilityNo cancel fee | On-time75% |