$120+ 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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — MSO
Mar 20 — Mar 271
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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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 February 18, 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 February 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/16. 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.
Thu 4/239:07 pm
SAN
- MSO
1 stop21h 57m
Multiple Airlines
Mon 4/278:54 pm
MSO
- SAN
1 stop17h 58m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 2/16. 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.
Thu 3/52:38 pm
SAN
- MSO
1 stop23h 42m
Multiple Airlines
Mon 3/94:10 pm
MSO
- SAN
1 stop22h 03m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$256
This Delta deal was found by Cheapflights users on 2/14. 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.
Tue 6/237:10 pm
SAN
- MSO
1 stop4h 14m
Delta
Tue 6/306:10 pm
MSO
- SAN
1 stop6h 32m
Delta
Deal found 2/14![Delta logo]()
$261
This Delta deal was found by Cheapflights users on 2/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:35 pm
SAN
- MSO
2 stops9h 49m
Delta
Fri 9/256:10 pm
MSO
- SAN
1 stop6h 32m
Delta
Deal found 2/16![Delta logo]()
$266
This Delta deal was found by Cheapflights users on 2/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/111:15 am
SAN
- MSO
2 stops12h 09m
Delta
Wed 4/86:04 pm
MSO
- SAN
1 stop6h 44m
Delta
Deal found 2/16![Delta logo]()
$272
This Alaska Airlines deal was found by Cheapflights users on 2/15. 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 3/146:15 am
SAN
- MSO
1 stop16h 44m
Alaska Airlines
Sat 4/253:55 pm
MSO
- SAN
1 stop21h 09m
Alaska Airlines
Deal found 2/15![Alaska Airlines logo]()
$283
This Delta deal was found by Cheapflights users on 2/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:10 pm
SAN
- MSO
1 stop4h 14m
Delta
Sat 9/265:45 am
MSO
- SAN
1 stop8h 10m
Delta
Deal found 2/16![Delta logo]()
$284
This United Airlines deal was found by Cheapflights users on 2/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:30 am
SAN
- MSO
1 stop6h 03m
United Airlines
Thu 3/265:16 pm
MSO
- SAN
1 stop6h 27m
United Airlines
Deal found 2/14![United Airlines logo]()
$286
This American Airlines deal was found by Cheapflights users on 2/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:21 pm
SAN
- MSO
1 stop8h 42m
American Airlines
Sat 9/261:50 pm
MSO
- SAN
2 stops8h 42m
American Airlines
Deal found 2/14![American Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 2/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:20 am
SAN
- MSO
2 stops10h 18m
Delta
Wed 4/221:40 pm
MSO
- SAN
2 stops9h 56m
Delta
Deal found 2/16![Delta logo]()
$294
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 February 18, 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 February 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/16. 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.
Thu 3/52:38 pm
SAN
- MSO
1 stop23h 42m
Multiple Airlines
Mon 3/94:10 pm
MSO
- SAN
1 stop22h 03m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$256
This Delta deal was found by Cheapflights users on 2/14. 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.
Wed 4/111:15 am
SAN
- MSO
2 stops12h 09m
Delta
Wed 4/86:04 pm
MSO
- SAN
1 stop6h 44m
Delta
Deal found 2/14![Delta logo]()
$272
This Alaska Airlines deal was found by Cheapflights users on 2/15. 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 3/146:15 am
SAN
- MSO
1 stop16h 44m
Alaska Airlines
Sat 4/253:55 pm
MSO
- SAN
1 stop21h 09m
Alaska Airlines
Deal found 2/15![Alaska Airlines logo]()
$283
Last-minute flights from San Diego to MissoulaDiscover last-minute flight deals from San Diego to Missoula. Data last updated February 18, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Missoula. Data last updated February 18, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 2/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/16:30 am
SAN
- MSO
1 stop8h 44m
United Airlines
Thu 3/55:16 pm
MSO
- SAN
1 stop6h 19m
United Airlines
Deal found 2/14![United Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 2/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/312:55 pm
SAN
- MSO
1 stop8h 02m
United Airlines
Sat 3/72:05 pm
MSO
- SAN
1 stop5h 28m
United Airlines
Deal found 2/16![United Airlines logo]()
$371
This Delta deal was found by Cheapflights users on 2/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:15 am
SAN
- MSO
1 stop5h 11m
Delta
Sat 3/71:16 pm
MSO
- SAN
2 stops10h 33m
Delta
Deal found 2/16![Delta logo]()
$376
This Kiwi.com deal was found by Cheapflights users on 2/16. 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.
Thu 3/52:38 pm
SAN
- MSO
1 stop23h 42m
Multiple Airlines
Mon 3/94:10 pm
MSO
- SAN
1 stop22h 03m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$256
This Delta deal was found by Cheapflights users on 2/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:15 am
SAN
- MSO
1 stop5h 11m
Delta
Mon 3/91:07 pm
MSO
- SAN
2 stops10h 20m
Delta
Deal found 2/16![Delta logo]()
$362
This United Airlines deal was found by Cheapflights users on 2/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:30 am
SAN
- MSO
1 stop6h 03m
United Airlines
Mon 3/92:35 pm
MSO
- SAN
1 stop7h 28m
United Airlines
Deal found 2/16![United Airlines logo]()
$364
This Alaska Airlines deal was found by Cheapflights users on 2/15. 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 3/146:15 am
SAN
- MSO
1 stop16h 44m
Alaska Airlines
Sat 4/253:55 pm
MSO
- SAN
1 stop21h 09m
Alaska Airlines
Deal found 2/15![Alaska Airlines logo]()
$283
This United Airlines deal was found by Cheapflights users on 2/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:30 am
SAN
- MSO
1 stop6h 03m
United Airlines
Thu 3/265:16 pm
MSO
- SAN
1 stop6h 27m
United Airlines
Deal found 2/14![United Airlines logo]()
$286
This Delta deal was found by Cheapflights users on 2/14. 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.
Tue 3/243:45 pm
SAN
- MSO
2 stops7h 39m
Delta
Thu 3/266:04 pm
MSO
- SAN
1 stop6h 44m
Delta
Deal found 2/14![Delta logo]()
$309
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 February 18, 2026.
Search for one-way flight options from San Diego to Missoula. Find affordable one-way fares based on user searches. Data last updated February 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 3/113:16 pm
SAN
- MSO
1 stop22h 28m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$120
This Delta deal was found by Cheapflights users on 2/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/189:50 am
SAN
- MSO
1 stop6h 33m
Delta
Deal found 2/16![Delta logo]()
$154
This Delta deal was found by Cheapflights users on 2/17. 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.
Wed 3/117:30 am
SAN
- MSO
2 stops8h 53m
Delta
Deal found 2/17![Delta logo]()
$159
This Delta deal was found by Cheapflights users on 2/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/197:05 pm
SAN
- MSO
1 stop4h 19m
Delta
Deal found 2/16![Delta logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 2/16. 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 3/183:16 pm
SAN
- MSO
3 stops46h 59m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$204
This Delta deal was found by Cheapflights users on 2/17. 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.
Sat 3/76:15 am
SAN
- MSO
1 stop5h 11m
Delta
Deal found 2/17![Delta logo]()
$224
This Delta deal was found by Cheapflights users on 2/17. 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.
Sun 3/16:15 am
SAN
- MSO
1 stop5h 11m
Delta
Deal found 2/17![Delta logo]()
$241
This Delta deal was found by Cheapflights users on 2/17. 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.
Mon 3/26:20 am
SAN
- MSO
2 stops10h 03m
Delta
Deal found 2/17![Delta logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
Sat 3/79:18 pm
SAN
- MSO
3 stops40h 02m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$255
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 February 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $183 (Kiwi.com) |
One-way from | $120 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $533 |
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 February 18, 2026.
Use the filters below to find and compare flights from San Diego to Missoula that are best for you.
Fly from
San Diego
Fly to
Missoula
Route
Depart
Return
Price
San DiegoMissoula
SAN - MSO
SANMSO
San Diego
Thu 3/5
2:38 pm-3:20 pm
1 stop23h 42m
Missoula Johnson-Bell Field
Mon 3/9
4:10 pm-1:13 pm
1 stop22h 03m
$256
San DiegoMissoula
SAN - MSO
SANMSO
San Diego
Wed 4/1
11:15 am-12:24 am
2 stops12h 09m
Missoula Johnson-Bell Field
Wed 4/8
6:04 pm-11:48 pm
1 stop6h 44m
$272
San DiegoMissoula
SAN - MSO
SANMSO
San Diego
Sat 3/14
6:15 am-11:59 pm
1 stop16h 44m
Missoula Johnson-Bell Field
Sat 4/25
3:55 pm-12:04 pm
1 stop21h 09m
$283
San DiegoMissoula
SAN - MSO
SANMSO
San Diego
Wed 3/11
3:16 pm-2:44 pm
1 stop22h 28m
$120
San DiegoMissoula
SAN - MSO
SANMSO
San Diego
Tue 3/10
6:15 am-12:16 pm
1 stop5h 01m
$154
San DiegoMissoula
SAN - MSO
SANMSO
San Diego
Thu 3/19
7:05 pm-12:24 am
1 stop4h 19m
$154
San DiegoMissoula
SAN - MSO
SANMSO
San Diego
Tue 3/17
7:05 pm-12:24 am
1 stop4h 19m
$154
San DiegoMissoula
SAN - MSO
SANMSO
San Diego
Wed 3/11
7:05 pm-12:24 am
1 stop4h 19m
$154
San DiegoMissoula
SAN - MSO
SANMSO
San Diego
Wed 3/18
9:50 am-5:23 pm
1 stop6h 33m
$154
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 February.
| 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?
Use this chart to determine the optimal time to book a round-trip flight from San Diego to Missoula. Price data was last updated on February 13, 2026.
To ensure you get the cheapest price possible for a flight from San Diego to Missoula, you should look to book at least 30 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, May is the cheapest month in which you can book a flight from San Diego to Missoula (average of $90). Flying from San Diego to Missoula in December is currently the most expensive (average of $276). 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 February 18, 2026.
Read through reviews of airlines operating flights from San Diego to Missoula, such as Alaska Airlines, Delta, and Hawaiian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Boarding
8.1
Overall
8.0
Crew
8.5
Food
7.1
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Comfort
7.8
Boarding
8.1
Overall
8.0
Crew
8.5
Food
7.1
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Comfort
7.8
Boarding
8.1
Overall
8.0
Crew
8.5
Food
7.1
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Comfort
7.8
Boarding
8.1
Overall
8.0
Crew
8.5
Food
7.1
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Comfort
7.8
Boarding
8.1
Overall
8.0
Crew
8.5
Food
7.1
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Related info for your journey
Find useful and relevant information for your journey from San Diego to Missoula. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip
Complete your trip to Missoula by adding a car rental and/or hotel reservation to your travel itinerary.
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Other flights to Missoula
Explore flights to Missoula departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 18, 2026.
San Diego and Missoula flights
Browse other San Diego and Missoula flight options. Last updated on February 18, 2026.
Other flights from San Diego
Browse through other flights departing from San Diego. Flights are based on user searches made on Cheapflights and were last updated on February 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 February 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$223 | Average$456 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$263 | Average$337 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$282 | Average$386 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$283 | Average$358 | FlexibilityNo cancel fee | On-time69% |