$111+ Cheap flights from Missoula to San Diego (MSO - SAN)
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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — SAN
Jul 14 — Jul 211
Round-trip
1 adult, Economy
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Find cheap flights from Missoula to San Diego 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 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 June 14, 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 June 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 7/2310:24 am
MSO
- SAN
1 stop10h 42m
Multiple Airlines
Wed 7/293:03 pm
SAN
- MSO
1 stop17h 31m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/210:24 am
MSO
- SAN
1 stop10h 10m
Multiple Airlines
Sat 7/118:51 pm
SAN
- MSO
1 stop11h 43m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/210:24 am
MSO
- SAN
1 stop10h 10m
Multiple Airlines
Mon 7/64:12 pm
SAN
- MSO
1 stop21h 13m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$367
This Alaska Airlines deal was found by Cheapflights users on 6/14. 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.
Wed 10/281:06 pm
MSO
- SAN
1 stop5h 21m
Alaska Airlines
Mon 11/27:07 am
SAN
- MSO
2 stops13h 18m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$374
This Delta deal was found by Cheapflights users on 6/11. 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 8/251:16 pm
MSO
- SAN
1 stop5h 50m
Delta
Tue 9/15:01 pm
SAN
- MSO
1 stop5h 11m
Delta
Deal found 6/11![Delta logo]()
$377
This Alaska Airlines deal was found by Cheapflights users on 6/14. 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.
Tue 8/257:15 am
MSO
- SAN
2 stops10h 27m
Alaska Airlines
Tue 9/12:17 pm
SAN
- MSO
1 stop22h 08m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$380
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 June 14, 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 June 14, 2026.
This Delta deal was found by Cheapflights users on 6/12. 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 9/35:30 am
MSO
- SAN
1 stop4h 11m
Delta
Mon 9/77:13 pm
SAN
- MSO
1 stop4h 05m
Delta
Deal found 6/12![Delta logo]()
$377
This Alaska Airlines deal was found by Cheapflights users on 6/14. 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.
Tue 8/257:15 am
MSO
- SAN
2 stops10h 27m
Alaska Airlines
Tue 9/12:17 pm
SAN
- MSO
1 stop22h 08m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$380
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/244:19 pm
MSO
- SAN
1 stop5h 34m
United Airlines
Sun 8/305:00 pm
SAN
- MSO
1 stop4h 30m
United Airlines
Deal found 6/10![United Airlines logo]()
$418
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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 10/317:00 am
MSO
- SAN
2 stops14h 18m
Alaska Airlines
Tue 11/37:03 am
SAN
- MSO
1 stop5h 12m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$401
This Delta deal was found by Cheapflights users on 6/14. 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 8/135:30 am
MSO
- SAN
1 stop4h 11m
Delta
Mon 8/177:13 pm
SAN
- MSO
1 stop4h 05m
Delta
Deal found 6/14![Delta logo]()
$408
This Alaska Airlines deal was found by Cheapflights users on 6/13. 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 10/291:06 pm
MSO
- SAN
1 stop5h 21m
Alaska Airlines
Mon 11/27:07 am
SAN
- MSO
2 stops13h 18m
Alaska Airlines
Deal found 6/13![Alaska Airlines logo]()
$415
Last-minute flights from Missoula to San DiegoDiscover last-minute flight deals from Missoula to San Diego. Data last updated June 14, 2026 and is based on user searches.
Discover last-minute flight deals from Missoula to San Diego. Data last updated June 14, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/244:19 pm
MSO
- SAN
1 stop5h 34m
United Airlines
Sun 8/305:00 pm
SAN
- MSO
1 stop4h 30m
United Airlines
Deal found 6/10![United Airlines logo]()
$418
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2810:25 am
MSO
- SAN
1 stop23h 23m
Multiple Airlines
Wed 7/19:46 am
SAN
- MSO
1 stop22h 48m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$406
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/210:24 am
MSO
- SAN
1 stop10h 10m
Multiple Airlines
Sat 7/118:51 pm
SAN
- MSO
1 stop11h 43m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/210:24 am
MSO
- SAN
1 stop10h 10m
Multiple Airlines
Mon 7/64:12 pm
SAN
- MSO
1 stop21h 13m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 7/2310:24 am
MSO
- SAN
1 stop10h 42m
Multiple Airlines
Wed 7/293:03 pm
SAN
- MSO
1 stop17h 31m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$194
This Delta deal was found by Cheapflights users on 6/11. 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 7/245:35 am
MSO
- SAN
1 stop4h 06m
Delta
Sun 7/267:13 pm
SAN
- MSO
1 stop4h 15m
Delta
Deal found 6/11![Delta logo]()
$498
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 June 14, 2026.
Search for one-way flight options from Missoula to San Diego. Find affordable one-way fares based on user searches. Data last updated June 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 8/209:52 pm
MSO
- SAN
1 stop24h 06m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/309:52 pm
MSO
- SAN
1 stop24h 06m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 7/23:47 pm
MSO
- SAN
1 stop24h 45m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 7/2610:24 am
MSO
- SAN
1 stop10h 42m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 7/1910:24 am
MSO
- SAN
2 stops30h 03m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$173
This Alaska Airlines deal was found by Cheapflights users on 6/14. 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.
Tue 9/84:16 pm
MSO
- SAN
2 stops19h 14m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$197
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:10 pm
MSO
- SAN
1 stop6h 37m
Delta
Deal found 6/10![Delta logo]()
$199
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 June 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $194 (Kiwi.com) |
One-way from | $111 (Kiwi.com) |
Popular in | November |
Cheapest in | July |
Average price | $584 |
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 2,558,603 searches. Data last updated June 14, 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
Quickest round-trip
MissoulaSan Diego
MSO - SAN
MSOSAN
Missoula Johnson-Bell Field
Thu 9/3
5:30 am-8:41 am
1 stop4h 11m
San Diego
Mon 9/7
7:13 pm-12:18 am
1 stop4h 05m
$377
MissoulaSan Diego
MSO - SAN
MSOSAN
Missoula Johnson-Bell Field
Tue 8/25
7:15 am-4:42 pm
2 stops10h 27m
San Diego
Tue 9/1
2:17 pm-1:25 pm
1 stop22h 08m
$380
MissoulaSan Diego
MSO - SAN
MSOSAN
Missoula Johnson-Bell Field
Sat 10/31
7:00 am-8:18 pm
2 stops14h 18m
San Diego
Tue 11/3
7:03 am-1:15 pm
1 stop5h 12m
$401
MissoulaSan Diego
MSO - SAN
MSOSAN
Missoula Johnson-Bell Field
Thu 8/13
5:30 am-8:41 am
1 stop4h 11m
San Diego
Mon 8/17
7:13 pm-12:18 am
1 stop4h 05m
$408
MissoulaSan Diego
MSO - SAN
MSOSAN
Missoula Johnson-Bell Field
Thu 10/29
1:06 pm-5:27 pm
1 stop5h 21m
San Diego
Mon 11/2
7:07 am-9:25 pm
2 stops13h 18m
$415
MissoulaSan Diego
MSO - SAN
MSOSAN
Missoula Johnson-Bell Field
Wed 6/24
4:19 pm-8:53 pm
1 stop5h 34m
San Diego
Sun 8/30
5:00 pm-10:30 pm
1 stop4h 30m
$418
Cheapest one-way
MissoulaSan Diego
MSO - SAN
MSOSAN
Missoula Johnson-Bell Field
Thu 8/20
9:52 pm-8:58 pm
1 stop24h 06m
$111
MissoulaSan Diego
MSO - SAN
MSOSAN
Missoula Johnson-Bell Field
Sun 8/30
9:52 pm-8:58 pm
1 stop24h 06m
$124
MissoulaSan Diego
MSO - SAN
MSOSAN
Missoula Johnson-Bell Field
Sun 7/26
10:24 am-8:06 pm
1 stop10h 42m
$167
MissoulaSan Diego
MSO - SAN
MSOSAN
Missoula Johnson-Bell Field
Tue 9/8
4:16 pm-10:30 am
2 stops19h 14m
$197
Showing 1-10 of 17 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 June.
| 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
What is the cheapest month to book a flight from Missoula to San Diego?
Currently, July is the cheapest month in which you can book a flight from Missoula to San Diego (average of $284). Flying from Missoula to San Diego in November is currently the most expensive (average of $688). 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.
How much does it cost to fly round-trip 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 June 14, 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
Overall
7.9
Crew
8.5
Entertainment
7.0
Food
7.0
Comfort
7.8
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Overall
7.9
Crew
8.5
Entertainment
7.0
Food
7.0
Comfort
7.8
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Overall
7.9
Crew
8.5
Entertainment
7.0
Food
7.0
Comfort
7.8
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Overall
7.9
Crew
8.5
Entertainment
7.0
Food
7.0
Comfort
7.8
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
Poway
Coronado
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Santee
Julian
Lemon Grove
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Missoula and San Diego flights
Browse other Missoula and San Diego flight options. Last updated on June 14, 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 June 14, 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 June 14, 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 2,558,603 searches. Data last updated June 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$222 | Average$457 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$240 | Average$364 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$249 | Average$359 | FlexibilityNo cancel fee | On-time69% |