$95+ 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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — MSO
cze 4 — cze 111
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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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 Maj 5, 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 Maj 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sob. 8/299:53 pm
SAN
- MSO
1 stop22h 09m
Multiple Airlines
czw. 9/39:49 pm
MSO
- SAN
1 stop24h 09m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
śr. 7/19:46 am
SAN
- MSO
1 stop22h 48m
Multiple Airlines
ndz. 7/510:24 am
MSO
- SAN
1 stop10h 07m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sob. 5/2310:07 pm
SAN
- MSO
1 stop10h 16m
Multiple Airlines
czw. 5/2810:13 am
MSO
- SAN
1 stop11h 59m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
pt. 6/194:17 pm
SAN
- MSO
1 stop17h 08m
Multiple Airlines
pon. 6/222:46 pm
MSO
- SAN
2 stops19h 02m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
czw. 5/289:37 am
SAN
- MSO
2 stops27h 24m
Multiple Airlines
czw. 6/410:25 am
MSO
- SAN
1 stop23h 22m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$320
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wt. 6/167:13 pm
SAN
- MSO
1 stop4h 15m
Delta
śr. 6/246:29 pm
MSO
- SAN
1 stop6h 24m
Delta
Deal found 5/1![Delta logo]()
$347
This Delta deal was found by Cheapflights users on 5/4. 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.
wt. 8/183:00 pm
SAN
- MSO
2 stops7h 47m
Delta
śr. 8/261:14 pm
MSO
- SAN
1 stop5h 52m
Delta
Deal found 5/4![Delta logo]()
$352
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wt. 6/166:15 am
SAN
- MSO
1 stop5h 22m
Delta
sob. 6/206:29 pm
MSO
- SAN
1 stop4h 49m
Delta
Deal found 5/1![Delta logo]()
$357
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wt. 9/226:15 am
SAN
- MSO
2 stops10h 08m
Delta
sob. 9/2612:50 pm
MSO
- SAN
1 stop4h 18m
Delta
Deal found 5/1![Delta logo]()
$362
This eDestinos deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sob. 7/48:29 pm
SAN
- MSO
1 stop12h 05m
Multiple Airlines
sob. 7/112:04 pm
MSO
- SAN
Nonstop2h 52m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$366
This Delta deal was found by Cheapflights users on 4/30. 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.
czw. 8/63:19 pm
SAN
- MSO
1 stop7h 25m
Delta
pon. 8/176:10 pm
MSO
- SAN
1 stop6h 32m
Delta
Deal found 4/30![Delta logo]()
$367
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 Maj 5, 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 Maj 5, 2026.
This United Airlines deal was found by Cheapflights users on 5/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wt. 8/1812:33 pm
SAN
- MSO
1 stop7h 53m
United Airlines
śr. 8/265:32 pm
MSO
- SAN
1 stop5h 55m
United Airlines
Deal found 5/4![United Airlines logo]()
$347
This Delta deal was found by Cheapflights users on 5/4. 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.
wt. 8/183:00 pm
SAN
- MSO
2 stops7h 47m
Delta
śr. 8/261:14 pm
MSO
- SAN
1 stop5h 52m
Delta
Deal found 5/4![Delta logo]()
$352
This United Airlines deal was found by Cheapflights users on 4/30. 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.
czw. 5/289:26 am
SAN
- MSO
1 stop5h 12m
United Airlines
czw. 6/44:19 pm
MSO
- SAN
1 stop5h 34m
United Airlines
Deal found 4/30![United Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sob. 5/236:15 am
SAN
- MSO
2 stops10h 09m
Delta
czw. 5/286:05 pm
MSO
- SAN
1 stop6h 38m
Delta
Deal found 5/1![Delta logo]()
$362
This Delta deal was found by Cheapflights users on 5/5. 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.
wt. 9/227:00 am
SAN
- MSO
2 stops9h 23m
Delta
sob. 9/266:10 pm
MSO
- SAN
1 stop6h 32m
Delta
Deal found 5/5![Delta logo]()
$362
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
czw. 7/235:01 pm
SAN
- MSO
1 stop6h 27m
Delta
pon. 7/275:35 am
MSO
- SAN
1 stop4h 06m
Delta
Deal found 5/2![Delta logo]()
$367
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
pt. 6/57:11 pm
SAN
- MSO
1 stop4h 11m
Delta
pon. 6/85:31 am
MSO
- SAN
1 stop4h 11m
Delta
Deal found 5/2![Delta logo]()
$367
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
czw. 10/226:15 am
SAN
- MSO
2 stops10h 12m
Delta
ndz. 10/256:10 pm
MSO
- SAN
1 stop6h 37m
Delta
Deal found 5/3![Delta logo]()
$372
Last-minute flights from San Diego to MissoulaDiscover last-minute flight deals from San Diego to Missoula. Data last updated Maj 5, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Missoula. Data last updated Maj 5, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sob. 5/2310:07 pm
SAN
- MSO
1 stop10h 16m
Multiple Airlines
czw. 5/2810:13 am
MSO
- SAN
1 stop11h 59m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$308
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sob. 5/236:15 am
SAN
- MSO
2 stops10h 09m
Delta
czw. 5/286:05 pm
MSO
- SAN
1 stop6h 38m
Delta
Deal found 5/1![Delta logo]()
$362
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
czw. 5/289:37 am
SAN
- MSO
2 stops27h 24m
Multiple Airlines
czw. 6/410:25 am
MSO
- SAN
1 stop23h 22m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$320
This Delta deal was found by Cheapflights users on 4/30. 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.
czw. 5/281:37 pm
SAN
- MSO
2 stops9h 45m
Delta
czw. 6/41:14 pm
MSO
- SAN
2 stops10h 10m
Delta
Deal found 4/30![Delta logo]()
$394
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
pt. 6/57:11 pm
SAN
- MSO
1 stop4h 11m
Delta
pon. 6/85:31 am
MSO
- SAN
1 stop4h 11m
Delta
Deal found 5/2![Delta logo]()
$367
This Delta deal was found by Cheapflights users on 4/30. 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.
pt. 6/127:13 pm
SAN
- MSO
1 stop4h 15m
Delta
pon. 6/155:31 am
MSO
- SAN
1 stop4h 11m
Delta
Deal found 4/30![Delta logo]()
$393
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wt. 6/167:13 pm
SAN
- MSO
1 stop4h 15m
Delta
śr. 6/246:29 pm
MSO
- SAN
1 stop6h 24m
Delta
Deal found 5/1![Delta logo]()
$347
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wt. 6/166:15 am
SAN
- MSO
1 stop5h 22m
Delta
sob. 6/206:29 pm
MSO
- SAN
1 stop4h 49m
Delta
Deal found 5/1![Delta logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
pt. 6/194:17 pm
SAN
- MSO
1 stop17h 08m
Multiple Airlines
pon. 6/222:46 pm
MSO
- SAN
2 stops19h 02m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$319
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 Maj 5, 2026.
Search for one-way flight options from San Diego to Missoula. Find affordable one-way fares based on user searches. Data last updated Maj 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
śr. 5/207:34 pm
SAN
- MSO
1 stop12h 49m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sob. 8/299:53 pm
SAN
- MSO
1 stop22h 09m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sob. 7/258:29 pm
SAN
- MSO
1 stop12h 05m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$152
This WAYA deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ndz. 8/3012:44 pm
SAN
- MSO
1 stop7h 18m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
ndz. 9/271:22 pm
SAN
- MSO
1 stop6h 37m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$177
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wt. 6/96:35 am
SAN
- MSO
1 stop8h 45m
United Airlines
Deal found 5/1![United Airlines logo]()
$184
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sob. 8/296:15 am
SAN
- MSO
2 stops10h 08m
Delta
Deal found 5/1![Delta logo]()
$189
This Delta deal was found by Cheapflights users on 4/30. 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.
czw. 5/286:15 am
SAN
- MSO
2 stops10h 09m
Delta
Deal found 4/30![Delta logo]()
$206
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 Maj 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $283 (Kiwi.com) |
One-way from | $95 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $553 |
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 Maj 5, 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
wt. 8/18
12:33 pm-9:26 pm
1 stop7h 53m
Missoula Johnson-Bell Field
śr. 8/26
5:32 pm-10:27 pm
1 stop5h 55m
$347
San DiegoMissoula
SAN - MSO
SANMSO
San Diego
wt. 8/18
3:00 pm-11:47 pm
2 stops7h 47m
Missoula Johnson-Bell Field
śr. 8/26
1:14 pm-6:06 pm
1 stop5h 52m
$352
San DiegoMissoula
SAN - MSO
SANMSO
San Diego
czw. 5/28
9:26 am-3:38 pm
1 stop5h 12m
Missoula Johnson-Bell Field
czw. 6/4
4:19 pm-8:53 pm
1 stop5h 34m
$357
San DiegoMissoula
SAN - MSO
SANMSO
San Diego
sob. 5/23
6:15 am-5:24 pm
2 stops10h 09m
Missoula Johnson-Bell Field
czw. 5/28
6:05 pm-11:43 pm
1 stop6h 38m
$362
San DiegoMissoula
SAN - MSO
SANMSO
San Diego
wt. 9/22
7:00 am-5:23 pm
2 stops9h 23m
Missoula Johnson-Bell Field
sob. 9/26
6:10 pm-11:42 pm
1 stop6h 32m
$362
San DiegoMissoula
SAN - MSO
SANMSO
San Diego
czw. 7/23
5:01 pm-12:28 am
1 stop6h 27m
Missoula Johnson-Bell Field
pon. 7/27
5:35 am-8:41 am
1 stop4h 06m
$367
Quickest round-trip
San DiegoMissoula
SAN - MSO
SANMSO
San Diego
pt. 6/5
7:11 pm-12:22 am
1 stop4h 11m
Missoula Johnson-Bell Field
pon. 6/8
5:31 am-8:42 am
1 stop4h 11m
$367
San DiegoMissoula
SAN - MSO
SANMSO
San Diego
czw. 10/22
6:15 am-5:27 pm
2 stops10h 12m
Missoula Johnson-Bell Field
ndz. 10/25
6:10 pm-11:47 pm
1 stop6h 37m
$372
Cheapest one-way
San DiegoMissoula
SAN - MSO
SANMSO
San Diego
śr. 5/20
7:34 pm-2:01 pm
2 stops41h 27m
$151
San DiegoMissoula
SAN - MSO
SANMSO
San Diego
ndz. 8/30
12:44 pm-9:02 pm
1 stop7h 18m
$174
Showing 1-10 of 19 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 December is currently the most expensive (average of $585). 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 Maj 5, 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
Comfort
7.8
Food
7.1
Overall
7.9
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Entertainment
7.0
Comfort
7.8
Food
7.1
Overall
7.9
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Entertainment
7.0
Comfort
7.8
Food
7.1
Overall
7.9
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Entertainment
7.0
Comfort
7.8
Food
7.1
Overall
7.9
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Entertainment
7.0
Comfort
7.8
Food
7.1
Overall
7.9
Boarding
8.1
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
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$223 | Average$473 | 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$412 | FlexibilityNo cancel fee | On-time75% |