$137+ Cheap flights from Missoula to San Diego (MSO - SAN)
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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — SAN
Nov 8 — Nov 151
Round-trip
1 adult, Economy
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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 Missoula to San Diego
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Best
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One-way
Cheapest flights from Missoula to San DiegoExplore the most affordable flight options available from Missoula to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 9, 2026.
Explore the most affordable flight options available from Missoula to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/89:07 pm -
1 stop23h 28m
Tue 12/87:51 pm -
2 stops36h 33m
Deal found 10/6![Multiple Airlines logo]()
$178
This Alaska Airlines deal was found by Cheapflights users on 10/8. 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 12/51:03 pm -
1 stop5h 21m
Wed 12/96:15 am -
1 stop16h 04m
Deal found 10/8![Alaska Airlines logo]()
$378
This Delta deal was found by Cheapflights users on 10/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/181:19 pm -
2 stops10h 35m
Mon 11/237:10 pm -
1 stop4h 15m
Deal found 10/7![Delta logo]()
$390
This Delta deal was found by Cheapflights users on 10/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:30 am -
1 stop4h 17m
Wed 10/281:53 pm -
2 stops9h 38m
Deal found 10/7![Delta logo]()
$405
This Alaska Airlines deal was found by Cheapflights users on 10/6. 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.
Thu 11/127:03 am -
2 stops10h 19m
Mon 11/166:35 pm -
2 stops17h 47m
Deal found 10/6![Alaska Airlines logo]()
$415
This Alaska Airlines deal was found by Cheapflights users on 10/5. 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 10/303:49 pm -
1 stop19h 17m
Tue 11/38:07 pm -
2 stops18h 24m
Deal found 10/5![Alaska Airlines logo]()
$421
This Alaska Airlines deal was found by Cheapflights users on 10/5. 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.
Wed 11/187:03 am -
2 stops12h 38m
Mon 11/236:15 am -
1 stop7h 47m
Deal found 10/5![Alaska Airlines logo]()
$424
This Delta deal was found by Cheapflights users on 10/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:30 am -
2 stops10h 34m
Wed 11/117:20 am -
2 stops9h 18m
Deal found 10/7![Delta logo]()
$429
Best flights from Missoula to San DiegoDiscover carefully curated flight deals from Missoula to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 9, 2026.
Discover carefully curated flight deals from Missoula to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 9, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/8. 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 12/51:03 pm -
1 stop5h 21m
Wed 12/96:15 am -
1 stop16h 04m
Deal found 10/8![Alaska Airlines logo]()
$378
This Delta deal was found by Cheapflights users on 10/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:30 am -
2 stops10h 34m
Wed 11/117:20 am -
2 stops9h 18m
Deal found 10/7![Delta logo]()
$429
This Alaska Airlines deal was found by Cheapflights users on 10/6. 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.
Thu 11/127:03 am -
2 stops10h 19m
Mon 11/166:35 pm -
2 stops17h 47m
Deal found 10/6![Alaska Airlines logo]()
$415
This Delta deal was found by Cheapflights users on 10/4. 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 10/291:14 pm -
1 stop6h 15m
Mon 11/26:15 am -
1 stop5h 19m
Deal found 10/4![Delta logo]()
$447
This Alaska Airlines deal was found by Cheapflights users on 10/6. 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 10/287:03 am -
2 stops12h 26m
Mon 11/24:25 pm -
2 stops22h 06m
Deal found 10/6![Alaska Airlines logo]()
$435
This Delta deal was found by Cheapflights users on 10/5. 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.
Wed 10/285:30 am -
1 stop4h 17m
Mon 11/26:15 am -
1 stop5h 19m
Deal found 10/5![Delta logo]()
$447
Last-minute flights from Missoula to San DiegoDiscover last-minute flight deals from Missoula to San Diego. Data last updated October 9, 2026 and is based on user searches.
Discover last-minute flight deals from Missoula to San Diego. Data last updated October 9, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:30 am -
1 stop4h 17m
Wed 10/281:53 pm -
2 stops9h 38m
Deal found 10/7![Delta logo]()
$405
This Alaska Airlines deal was found by Cheapflights users on 10/6. 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 10/287:03 am -
2 stops12h 26m
Mon 11/24:25 pm -
2 stops22h 06m
Deal found 10/6![Alaska Airlines logo]()
$435
This Alaska Airlines deal was found by Cheapflights users on 10/5. 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 10/303:49 pm -
1 stop19h 17m
Tue 11/38:07 pm -
2 stops18h 24m
Deal found 10/5![Alaska Airlines logo]()
$421
This Delta deal was found by Cheapflights users on 10/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:30 am -
2 stops10h 34m
Wed 11/117:20 am -
2 stops9h 18m
Deal found 10/7![Delta logo]()
$429
This Kiwi.com deal was found by Cheapflights users on 10/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/89:07 pm -
1 stop23h 28m
Tue 12/87:51 pm -
2 stops36h 33m
Deal found 10/6![Multiple Airlines logo]()
$178
This Alaska Airlines deal was found by Cheapflights users on 10/6. 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.
Sun 11/87:03 am -
1 stop28h 10m
Tue 12/86:15 am -
1 stop16h 04m
Deal found 10/6![Alaska Airlines logo]()
$438
This Alaska Airlines deal was found by Cheapflights users on 10/6. 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.
Thu 11/127:03 am -
2 stops10h 19m
Mon 11/166:35 pm -
2 stops17h 47m
Deal found 10/6![Alaska Airlines logo]()
$415
This Delta deal was found by Cheapflights users on 10/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/181:19 pm -
2 stops10h 35m
Mon 11/237:10 pm -
1 stop4h 15m
Deal found 10/7![Delta logo]()
$390
This Alaska Airlines deal was found by Cheapflights users on 10/5. 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.
Wed 11/187:03 am -
2 stops12h 38m
Mon 11/236:15 am -
1 stop7h 47m
Deal found 10/5![Alaska Airlines logo]()
$424
One-way flights from Missoula to San DiegoSearch for one-way flight options from Missoula to San Diego. Find affordable one-way fares based on user searches. Data last updated October 9, 2026.
Search for one-way flight options from Missoula to San Diego. Find affordable one-way fares based on user searches. Data last updated October 9, 2026.
This Delta deal was found by Cheapflights users on 10/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:30 am -
2 stops8h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Delta logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 10/8. 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.
Thu 1/217:12 pm -
1 stop20h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Multiple Airlines logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 10/7. 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.
Sun 12/207:09 pm -
1 stop20h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Multiple Airlines logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 10/7. 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.
Sat 12/197:13 pm -
1 stop20h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Multiple Airlines logo]()
$186
This Alaska Airlines deal was found by Cheapflights users on 10/7. 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.
Wed 12/167:01 am -
2 stops10h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Alaska Airlines logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 10/7. 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 12/177:28 pm -
2 stops16h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Multiple Airlines logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 10/7. 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 10/295:13 pm -
1 stop27h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Multiple Airlines logo]()
$209
Find flight deals from Missoula to San Diego
Discover tips and strategies to find the most affordable flight options for your journey from Missoula (MSO) to San Diego (SAN). 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 October 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $178 (Kiwi.com) |
One-way from | $137 (Delta) |
Popular in | July |
Cheapest in | February |
Average price | $356 |
Cheapflights Fare Finder
Customize your flight search to find flights from Missoula to San Diego 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 October 9, 2026.
Use the filters below to find and compare flights from Missoula to San Diego that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
MissoulaSan Diego
MSO Missoula Johnson-Bell Field - SAN San Diego
MSOSAN
Missoula Johnson-Bell Field
Thu 10/29
5:30 am-12:58 pm
2 stops8h 28m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$137
MissoulaSan Diego
MSO Missoula Johnson-Bell Field - SAN San Diego
MSOSAN
Missoula Johnson-Bell Field
Thu 1/21
7:12 pm-2:14 pm
1 stop20h 02m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$154
MissoulaSan Diego
MSO Missoula Johnson-Bell Field - SAN San Diego
MSOSAN
Missoula Johnson-Bell Field
Sun 12/20
7:09 pm-2:49 pm
1 stop20h 40m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$170
MissoulaSan Diego
MSO Missoula Johnson-Bell Field - SAN San Diego
MSOSAN
Missoula Johnson-Bell Field
Wed 12/16
7:01 am-4:26 pm
2 stops10h 25m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$189
MissoulaSan Diego
MSO Missoula Johnson-Bell Field - SAN San Diego
MSOSAN
Missoula Johnson-Bell Field
Thu 10/29
5:13 pm-7:47 pm
1 stop27h 34m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$209
MissoulaSan Diego
MSO Missoula Johnson-Bell Field - SAN San Diego
MSOSAN
Missoula Johnson-Bell Field
Fri 12/18
10:19 pm-7:45 am
1 stop10h 26m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$222
Quickest round-trip
MissoulaSan Diego
MSO Missoula Johnson-Bell Field - SAN San Diego
MSOSAN
Missoula Johnson-Bell Field
Thu 12/17
4:18 pm-11:01 pm
1 stop7h 43m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$254
MissoulaSan Diego
MSO Missoula Johnson-Bell Field - SAN San Diego
MSOSAN
Missoula Johnson-Bell Field
Fri 1/1
4:18 pm-11:01 pm
1 stop7h 43m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$254
MissoulaSan Diego
MSO Missoula Johnson-Bell Field - SAN San Diego
MSOSAN
Missoula Johnson-Bell Field
Sat 12/5
1:03 pm-5:24 pm
1 stop5h 21m
San Diego
Wed 12/9
6:15 am-11:19 pm
1 stop16h 04m
$378
MissoulaSan Diego
MSO Missoula Johnson-Bell Field - SAN San Diego
MSOSAN
Missoula Johnson-Bell Field
Thu 11/12
7:03 am-4:22 pm
2 stops10h 19m
San Diego
Mon 11/16
6:35 pm-1:22 pm
2 stops17h 47m
$415
Showing 1-10 of 14 resultsSorted by cheapest first
Compare providers for flights from Missoula to San Diego
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 Missoula to San Diego in October.
| 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 Missoula-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Missoula-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Missoula-San Diego flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Missoula-San Diego 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 Missoula-San Diego 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 Missoula to San Diego
Have a flexible travel schedule? Discover the best time to fly to San Diego from Missoula with our price prediction graph.
MSO-SAN
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 Missoula to San Diego
Reviews of airlines servicing San Diego
Get insights into the airlines that provide service to San Diego. 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 San Diego. Reviews last updated October 9, 2026.
Read through reviews of airlines operating flights from Missoula to San Diego, such as Alaska Airlines,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.5
Food
7.0
Comfort
7.8
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Crew
8.5
Food
7.0
Comfort
7.8
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Crew
8.5
Food
7.0
Comfort
7.8
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Crew
8.5
Food
7.0
Comfort
7.8
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Related info for your journey
Find useful and relevant information for your journey from Missoula to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsEl Cajon
National City
Chula Vista
San Ysidro
Poway
Coronado
La Mesa
Julian
Santee
Lemon Grove
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Missoula and San Diego flights
Browse other Missoula and San Diego flight options. Last updated on October 9, 2026.
Other flights from Missoula
Browse through other flights departing from Missoula. Flights are based on user searches made on Cheapflights and were last updated on October 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Diego
Explore flights to San Diego departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 9, 2026.
Top 3 airlines flying from Missoula to San Diego
Discover the top 3 airlines that operate flights from Missoula to San Diego. 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 October 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$222 | Average$434 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$260 | Average$392 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$280 | Average$426 | FlexibilityNo cancel fee | On-timeN/A |