$89+ 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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — MSO
Jun 19 — Jun 261
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
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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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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 May 20, 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 May 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/16. 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 6/279:43 am
SAN
- MSO
1 stop22h 52m
Multiple Airlines
Sun 7/1210:24 am
MSO
- SAN
1 stop10h 07m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$326
This Expedia deal was found by Cheapflights users on 5/17. 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.
Tue 7/78:23 am
SAN
- MSO
Nonstop2h 48m
Alaska Airlines
Thu 7/162:04 pm
MSO
- SAN
Nonstop2h 52m
Alaska Airlines
Deal found 5/17![Alaska Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 5/18. 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 9/225:00 pm
SAN
- MSO
1 stop6h 24m
Delta
Sat 9/266:10 pm
MSO
- SAN
1 stop6h 32m
Delta
Deal found 5/18![Delta logo]()
$367
This Delta deal was found by Cheapflights users on 5/17. 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 9/249:45 am
SAN
- MSO
1 stop6h 38m
Delta
Sun 9/275:40 am
MSO
- SAN
1 stop4h 19m
Delta
Deal found 5/17![Delta logo]()
$377
This American Airlines deal was found by Cheapflights users on 5/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:23 am
SAN
- MSO
2 stops11h 40m
American Airlines
Sat 9/261:29 pm
MSO
- SAN
1 stop8h 24m
American Airlines
Deal found 5/18![American Airlines logo]()
$382
This Alaska Airlines deal was found by Cheapflights users on 5/18. 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 6/103:16 pm
SAN
- MSO
1 stop7h 40m
Alaska Airlines
Sat 6/131:30 pm
MSO
- SAN
Nonstop2h 52m
Alaska Airlines
Deal found 5/18![Alaska Airlines logo]()
$397
This Delta deal was found by Cheapflights users on 5/18. 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 7/247:13 pm
SAN
- MSO
1 stop4h 15m
Delta
Tue 7/285:35 am
MSO
- SAN
1 stop4h 06m
Delta
Deal found 5/18![Delta logo]()
$407
This WAYA deal was found by Cheapflights users on 5/17. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/78:23 am
SAN
- MSO
Nonstop2h 48m
Multiple Airlines
Thu 7/1610:24 am
MSO
- SAN
1 stop6h 33m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$417
This Alaska Airlines deal was found by Cheapflights users on 5/18. 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 10/1711:07 am
SAN
- MSO
1 stop9h 52m
Alaska Airlines
Tue 10/207:00 am
MSO
- SAN
2 stops9h 52m
Alaska Airlines
Deal found 5/18![Alaska Airlines logo]()
$421
This Delta deal was found by Cheapflights users on 5/19. 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 9/37:00 am
SAN
- MSO
2 stops9h 23m
Delta
Mon 9/145:40 am
MSO
- SAN
1 stop4h 19m
Delta
Deal found 5/19![Delta logo]()
$422
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 May 20, 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 May 20, 2026.
This Delta deal was found by Cheapflights users on 5/17. 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 9/229:45 am
SAN
- MSO
1 stop6h 38m
Delta
Sat 9/265:40 am
MSO
- SAN
1 stop4h 19m
Delta
Deal found 5/17![Delta logo]()
$367
This United Airlines deal was found by Cheapflights users on 5/15. 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.
Thu 8/202:24 pm
SAN
- MSO
1 stop7h 06m
United Airlines
Sun 8/237:15 am
MSO
- SAN
1 stop5h 20m
United Airlines
Deal found 5/15![United Airlines logo]()
$377
This Alaska Airlines deal was found by Cheapflights users on 5/18. 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 10/1711:07 am
SAN
- MSO
1 stop9h 52m
Alaska Airlines
Tue 10/207:00 am
MSO
- SAN
2 stops9h 52m
Alaska Airlines
Deal found 5/18![Alaska Airlines logo]()
$421
This Delta deal was found by Cheapflights users on 5/19. 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 9/247:10 pm
SAN
- MSO
1 stop4h 14m
Delta
Sun 9/276:10 pm
MSO
- SAN
1 stop6h 32m
Delta
Deal found 5/19![Delta logo]()
$377
This Delta deal was found by Cheapflights users on 5/18. 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 10/226:15 am
SAN
- MSO
1 stop5h 21m
Delta
Sun 10/2512:50 pm
MSO
- SAN
1 stop4h 16m
Delta
Deal found 5/18![Delta logo]()
$377
This Alaska Airlines deal was found by Cheapflights users on 5/15. 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 6/710:29 pm
SAN
- MSO
2 stops15h 14m
Alaska Airlines
Wed 6/107:03 am
MSO
- SAN
2 stops9h 02m
Alaska Airlines
Deal found 5/15![Alaska Airlines logo]()
$492
This Alaska Airlines deal was found by Cheapflights users on 5/15. 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 7/256:18 am
SAN
- MSO
1 stop15h 37m
Alaska Airlines
Thu 7/305:00 pm
MSO
- SAN
1 stop7h 11m
Alaska Airlines
Deal found 5/15![Alaska Airlines logo]()
$515
This Delta deal was found by Cheapflights users on 5/19. 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 6/197:13 pm
SAN
- MSO
1 stop4h 15m
Delta
Tue 6/235:31 am
MSO
- SAN
1 stop4h 11m
Delta
Deal found 5/19![Delta logo]()
$528
This Alaska Airlines deal was found by Cheapflights users on 5/19. 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 7/168:23 am
SAN
- MSO
Nonstop2h 48m
Alaska Airlines
Tue 7/217:59 pm
MSO
- SAN
1 stop14h 11m
Alaska Airlines
Deal found 5/19![Alaska Airlines logo]()
$536
This Alaska Airlines deal was found by Cheapflights users on 5/18. 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 6/125:35 pm
SAN
- MSO
1 stop21h 34m
Alaska Airlines
Mon 6/157:59 pm
MSO
- SAN
1 stop15h 24m
Alaska Airlines
Deal found 5/18![Alaska Airlines logo]()
$557
Last-minute flights from San Diego to MissoulaDiscover last-minute flight deals from San Diego to Missoula. Data last updated May 20, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Missoula. Data last updated May 20, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/15. 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 6/77:13 pm
SAN
- MSO
1 stop4h 15m
Delta
Wed 6/106:29 pm
MSO
- SAN
1 stop6h 24m
Delta
Deal found 5/15![Delta logo]()
$428
This Expedia deal was found by Cheapflights users on 5/15. 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.
Sun 6/710:29 pm
SAN
- MSO
2 stops15h 14m
Alaska Airlines
Wed 6/105:00 pm
MSO
- SAN
1 stop7h 56m
Alaska Airlines
Deal found 5/15![Alaska Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 5/18. 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 6/109:47 am
SAN
- MSO
1 stop7h 02m
Delta
Sat 6/136:29 pm
MSO
- SAN
1 stop4h 49m
Delta
Deal found 5/18![Delta logo]()
$377
This Alaska Airlines deal was found by Cheapflights users on 5/18. 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 6/103:16 pm
SAN
- MSO
1 stop7h 40m
Alaska Airlines
Sat 6/131:30 pm
MSO
- SAN
Nonstop2h 52m
Alaska Airlines
Deal found 5/18![Alaska Airlines logo]()
$397
This Expedia deal was found by Cheapflights users on 5/19. 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 6/128:35 pm
SAN
- MSO
1 stop13h 07m
Alaska Airlines
Mon 6/157:59 pm
MSO
- SAN
1 stop15h 24m
Alaska Airlines
Deal found 5/19![Alaska Airlines logo]()
$437
This Delta deal was found by Cheapflights users on 5/19. 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 6/167:13 pm
SAN
- MSO
1 stop4h 15m
Delta
Sat 6/206:29 pm
MSO
- SAN
1 stop4h 49m
Delta
Deal found 5/19![Delta logo]()
$498
This Expedia deal was found by Cheapflights users on 5/19. 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.
Tue 6/165:35 pm
SAN
- MSO
1 stop5h 21m
Alaska Airlines
Tue 6/235:00 pm
MSO
- SAN
1 stop7h 32m
Alaska Airlines
Deal found 5/19![Alaska Airlines logo]()
$502
This Kiwi.com deal was found by Cheapflights users on 5/16. 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 6/279:43 am
SAN
- MSO
1 stop22h 52m
Multiple Airlines
Sun 7/1210:24 am
MSO
- SAN
1 stop10h 07m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 5/17. 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.
Tue 6/309:43 am
SAN
- MSO
2 stops23h 53m
Multiple Airlines
Sun 7/510:24 am
MSO
- SAN
1 stop10h 07m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$476
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 May 20, 2026.
Search for one-way flight options from San Diego to Missoula. Find affordable one-way fares based on user searches. Data last updated May 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/15. 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.
Wed 7/229:53 pm
SAN
- MSO
1 stop10h 41m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 6/139:43 am
SAN
- MSO
1 stop22h 52m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$97
This Kiwi.com deal was found by Cheapflights users on 5/16. 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.
Wed 7/89:53 pm
SAN
- MSO
1 stop10h 41m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 5/16. 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 7/254:17 pm
SAN
- MSO
1 stop21h 40m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 5/17. 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.
Wed 6/249:43 am
SAN
- MSO
1 stop22h 52m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 6/209:43 am
SAN
- MSO
1 stop22h 52m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 5/18. 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.
Wed 7/154:47 pm
SAN
- MSO
2 stops15h 47m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 5/19. 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.
Wed 6/109:43 am
SAN
- MSO
1 stop22h 52m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$136
This Delta deal was found by Cheapflights users on 5/15. 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 9/277:10 pm
SAN
- MSO
1 stop4h 14m
Delta
Deal found 5/15![Delta logo]()
$189
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 May 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $326 (Kiwi.com) |
One-way from | $89 (Kiwi.com) |
Popular in | May |
Cheapest in | January |
Average price | $609 |
Good round-trip deal | $417 or less |
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 May 20, 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 - MSO
SANMSO
San Diego
Tue 9/22
9:45 am-5:23 pm
1 stop6h 38m
Missoula Johnson-Bell Field
Sat 9/26
5:40 am-8:59 am
1 stop4h 19m
$367
San DiegoMissoula
SAN - MSO
SANMSO
San Diego
Thu 8/20
2:24 pm-10:30 pm
1 stop7h 06m
Missoula Johnson-Bell Field
Sun 8/23
7:15 am-11:35 am
1 stop5h 20m
$377
San DiegoMissoula
SAN - MSO
SANMSO
San Diego
Thu 9/24
7:10 pm-12:24 am
1 stop4h 14m
Missoula Johnson-Bell Field
Sun 9/27
6:10 pm-11:42 pm
1 stop6h 32m
$377
San DiegoMissoula
SAN - MSO
SANMSO
San Diego
Thu 10/22
6:15 am-12:36 pm
1 stop5h 21m
Missoula Johnson-Bell Field
Sun 10/25
12:50 pm-4:06 pm
1 stop4h 16m
$377
San DiegoMissoula
SAN - MSO
SANMSO
San Diego
Sat 10/17
11:07 am-9:59 pm
1 stop9h 52m
Missoula Johnson-Bell Field
Tue 10/20
7:00 am-3:52 pm
2 stops9h 52m
$421
San DiegoMissoula
SAN - MSO
SANMSO
San Diego
Sun 6/7
10:29 pm-2:43 pm
2 stops15h 14m
Missoula Johnson-Bell Field
Wed 6/10
7:03 am-3:05 pm
2 stops9h 02m
$492
San DiegoMissoula
SAN - MSO
SANMSO
San Diego
Sat 7/25
6:18 am-10:55 pm
1 stop15h 37m
Missoula Johnson-Bell Field
Thu 7/30
5:00 pm-11:11 pm
1 stop7h 11m
$515
Quickest round-trip
San DiegoMissoula
SAN - MSO
SANMSO
San Diego
Fri 6/19
7:13 pm-12:28 am
1 stop4h 15m
Missoula Johnson-Bell Field
Tue 6/23
5:31 am-8:42 am
1 stop4h 11m
$528
San DiegoMissoula
SAN - MSO
SANMSO
San Diego
Thu 7/16
8:23 am-12:11 pm
Nonstop2h 48m
Missoula Johnson-Bell Field
Tue 7/21
7:59 pm-9:10 am
1 stop14h 11m
$536
San DiegoMissoula
SAN - MSO
SANMSO
San Diego
Fri 6/12
5:35 pm-4:09 pm
1 stop21h 34m
Missoula Johnson-Bell Field
Mon 6/15
7:59 pm-10:23 am
1 stop15h 24m
$557
Showing 1-10 of 17 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 May.
| 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?
To ensure you get the cheapest price possible for a flight from San Diego to Missoula, you should look to book at least 29 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, January is the cheapest month in which you can book a flight from San Diego to Missoula (average of $312). Flying from San Diego to Missoula in May is currently the most expensive (average of $609). 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 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 May 20, 2026.
Read through reviews of airlines operating flights from San Diego to Missoula, such as Alaska Airlines,Delta, andHawaiian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.0
Overall
7.9
Boarding
8.1
Comfort
7.8
Food
7.0
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Entertainment
7.0
Overall
7.9
Boarding
8.1
Comfort
7.8
Food
7.0
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Entertainment
7.0
Overall
7.9
Boarding
8.1
Comfort
7.8
Food
7.0
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Entertainment
7.0
Overall
7.9
Boarding
8.1
Comfort
7.8
Food
7.0
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Entertainment
7.0
Overall
7.9
Boarding
8.1
Comfort
7.8
Food
7.0
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Related info for your journey
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Top 4 airlines flying from San Diego to Missoula
Discover the top 4 airlines that operate flights from San Diego to Missoula. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$223 | Average$440 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$263 | Average$380 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$283 | Average$358 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$286 | Average$416 | FlexibilityNo cancel fee | On-time75% |