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Cheap flights from Missoula to San Diego from $109

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missoula to San Diego departing on 5/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:13 am - 9:12 pm
MSO
-
SAN
11h 59m
1 stop
Multiple Airlines Logo
10:07 pm - 9:23 am
SAN
-
MSO
10h 16m
1 stop
$308Multiple Airlines
Thu, May 21 - Sat, May 30
Multiple Airlines Logo
11:48 am - 7:21 am
MSO
-
SAN
20h 33m
1 stop
Multiple Airlines Logo
6:47 pm - 10:58 am
SAN
-
MSO
39h 11m
2 stops
$317Multiple Airlines
Sun, Apr 12 - Fri, Apr 17
Multiple Airlines Logo
8:54 pm - 1:17 pm
MSO
-
SAN
17h 23m
1 stop
Multiple Airlines Logo
9:00 pm - 8:04 pm
SAN
-
MSO
22h 04m
1 stop
$318Multiple Airlines
Fri, Apr 17 - Sun, Apr 26
United Airlines Logo
5:15 pm - 10:30 pm
MSO
-
SAN
6h 15m
1 stop
United Airlines Logo
6:32 am - 1:32 pm
SAN
-
MSO
6h 00m
1 stop
$321United Airlines
Fri, Apr 24 - Mon, Apr 27
Alaska Airlines Logo
7:00 am - 4:56 pm
MSO
-
SAN
10h 56m
1 stop
Alaska Airlines Logo
8:35 pm - 2:59 pm
SAN
-
MSO
17h 24m
1 stop
$325Alaska Airlines
Tue, Apr 21 - Fri, Apr 24
Delta Logo
5:20 am - 12:38 pm
MSO
-
SAN
8h 18m
2 stops
Delta Logo
11:40 am - 11:11 pm
SAN
-
MSO
10h 31m
2 stops
$336Delta
Sun, Apr 26 - Sat, May 2
Delta Logo
1:40 pm - 10:29 pm
MSO
-
SAN
9h 49m
2 stops
Delta Logo
11:58 am - 8:02 pm
SAN
-
MSO
7h 04m
1 stop
$337Delta
Wed, Apr 29 - Mon, May 4
Delta Logo
1:40 pm - 10:29 pm
MSO
-
SAN
9h 49m
2 stops
Delta Logo
3:15 pm - 12:16 am
SAN
-
MSO
8h 01m
2 stops
$343Delta
Wed, Apr 29 - Mon, May 4
Alaska Airlines Logo
3:55 pm - 10:36 pm
MSO
-
SAN
7h 41m
1 stop
Alaska Airlines Logo
7:35 pm - 2:59 pm
SAN
-
MSO
18h 24m
1 stop
$344Alaska Airlines
Wed, May 6 - Mon, May 11
Alaska Airlines Logo
1:59 pm - 7:39 pm
MSO
-
SAN
6h 40m
1 stop
Alaska Airlines Logo
7:15 am - 2:59 pm
SAN
-
MSO
6h 44m
1 stop
$345Alaska Airlines
Sat, May 2 - Tue, May 5

Alaska Airlines flights from Missoula to San Diego

Our best Alaska Airlines deals on Missoula to San Diego flight tickets
Alaska Airlines
Apr 21
MSO7:00 amMissoula Johnson-Bell Field
10h 56m
1 stop
SAN4:56 pmSan Diego
Apr 24
SAN8:35 pmSan Diego
17h 24m
1 stop
MSO2:59 pmMissoula Johnson-Bell Field
$325
Alaska Airlines
May 6
MSO3:55 pmMissoula Johnson-Bell Field
7h 41m
1 stop
SAN10:36 pmSan Diego
May 11
SAN7:35 pmSan Diego
18h 24m
1 stop
MSO2:59 pmMissoula Johnson-Bell Field
$344
Alaska Airlines
May 2
MSO1:59 pmMissoula Johnson-Bell Field
6h 40m
1 stop
SAN7:39 pmSan Diego
May 5
SAN7:15 amSan Diego
6h 44m
1 stop
MSO2:59 pmMissoula Johnson-Bell Field
$345

Delta flights from Missoula to San Diego

Our best Delta deals on Missoula to San Diego flight tickets
Delta
Apr 26
MSO5:20 amMissoula Johnson-Bell Field
8h 18m
2 stops
SAN12:38 pmSan Diego
May 2
SAN11:40 amSan Diego
10h 31m
2 stops
MSO11:11 pmMissoula Johnson-Bell Field
$336
Delta
Apr 29
MSO1:40 pmMissoula Johnson-Bell Field
9h 49m
2 stops
SAN10:29 pmSan Diego
May 4
SAN11:58 amSan Diego
7h 04m
1 stop
MSO8:02 pmMissoula Johnson-Bell Field
$337
Delta
Apr 29
MSO1:40 pmMissoula Johnson-Bell Field
9h 49m
2 stops
SAN10:29 pmSan Diego
May 4
SAN3:15 pmSan Diego
8h 01m
2 stops
MSO12:16 amMissoula Johnson-Bell Field
$343

momondo 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, momondo users made 832,500 searches. Data last updated March 22, 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

Price

Cheapest round-trip

MissoulaSan Diego

MSO - SAN

MSOSAN

Missoula Johnson-Bell Field

Thu 5/21

10:13 am-9:12 pm

1 stop11h 59m

San Diego

Sat 5/30

10:07 pm-9:23 am

1 stop10h 16m

$308

MissoulaSan Diego

MSO - SAN

MSOSAN

Missoula Johnson-Bell Field

Sun 4/12

11:48 am-7:21 am

1 stop20h 33m

San Diego

Fri 4/17

6:47 pm-10:58 am

2 stops39h 11m

$317

MissoulaSan Diego

MSO - SAN

MSOSAN

Missoula Johnson-Bell Field

Fri 4/17

8:54 pm-1:17 pm

1 stop17h 23m

San Diego

Sun 4/26

9:00 pm-8:04 pm

1 stop22h 04m

$318
Quickest round-trip

MissoulaSan Diego

MSO - SAN

MSOSAN

Missoula Johnson-Bell Field

Fri 4/24

5:15 pm-10:30 pm

1 stop6h 15m

San Diego

Mon 4/27

6:32 am-1:32 pm

1 stop6h 00m

$321

MissoulaSan Diego

MSO - SAN

MSOSAN

Missoula Johnson-Bell Field

Tue 4/21

7:00 am-4:56 pm

1 stop10h 56m

San Diego

Fri 4/24

8:35 pm-2:59 pm

1 stop17h 24m

$325

MissoulaSan Diego

MSO - SAN

MSOSAN

Missoula Johnson-Bell Field

Sun 4/26

5:20 am-12:38 pm

2 stops8h 18m

San Diego

Sat 5/2

11:40 am-11:11 pm

2 stops10h 31m

$336

MissoulaSan Diego

MSO - SAN

MSOSAN

Missoula Johnson-Bell Field

Wed 4/29

1:40 pm-10:29 pm

2 stops9h 49m

San Diego

Mon 5/4

11:58 am-8:02 pm

1 stop7h 04m

$337

MissoulaSan Diego

MSO - SAN

MSOSAN

Missoula Johnson-Bell Field

Wed 4/29

1:40 pm-10:29 pm

2 stops9h 49m

San Diego

Mon 5/4

3:15 pm-12:16 am

2 stops8h 01m

$343

MissoulaSan Diego

MSO - SAN

MSOSAN

Missoula Johnson-Bell Field

Wed 5/6

3:55 pm-10:36 pm

1 stop7h 41m

San Diego

Mon 5/11

7:35 pm-2:59 pm

1 stop18h 24m

$344

MissoulaSan Diego

MSO - SAN

MSOSAN

Missoula Johnson-Bell Field

Sat 5/2

1:59 pm-7:39 pm

1 stop6h 40m

San Diego

Tue 5/5

7:15 am-2:59 pm

1 stop6h 44m

$345

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Diego from

How to get the cheapest flight ticket from Missoula to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Missoula and San Diego?

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of July, then departing from Missoula during the month February is also very affordable. Most momondo users find prices during this month for around $302.

What is the cheapest Missoula Johnson-Bell Field to San Diego flight route?

Fly from Missoula Johnson-Bell Field to San Diego for the best Missoula Johnson-Bell Field - San Diego flight prices

How far in advance should I book a flight to San Diego?

You are more likely to see cheaper flights to San Diego from Missoula when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $380 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Missoula for as low as $196 on momondo.

What cabin class options are available on Missoula Johnson-Bell Field to San Diego flights?

There is only 1 cabin class available to choose from on Missoula Johnson-Bell Field to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Missoula to San Diego flights?

You could potentially save up to 8% on your flight if you consider stops on a Missoula to San Diego flight.

How have Missoula to San Diego flight prices changed over time?

As of March 2026, prices for Missoula to San Diego flights are approximately 47% more expensive when compared to flights at the same time last year.

When to book flights from Missoula to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from Missoula to San Diego according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Missoula to San Diego (MSO to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missoula to San Diego

Fastest flight time

4h 19m

Direct flights

Tue and Wed

Airports in San Diego

1 airport
The fastest flight from Missoula to San Diego takes 4h 19m
Direct flights go from Missoula to San Diego on Tuesday and Wednesday. There are no airlines offering direct flights.
There is 1 airport in San Diego. From Missoula there are direct flights to San Diego (SAN).
Search flight deals

  • How far is Missoula Johnson-Bell Field to San Diego by plane?

    San Diego is 991.5 mi away from Missoula Johnson-Bell Field. 4h 19m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Missoula Johnson-Bell Field Airport to San Diego Airport?

    Prices for flights from Missoula Johnson-Bell Field Airport to San Diego Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Missoula Johnson-Bell Field Airport to San Diego Airport?

  • How old do you have to be to fly from Missoula Johnson-Bell Field Airport to San Diego Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missoula Johnson-Bell Field Airport to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The necessary travel and health documents for your San Diego Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Missoula to San Diego?

  • What is the most popular airline from Missoula to San Diego?

Best airlines flying from Missoula to San Diego

Compare and see reviews for airlines that fly from Missoula to San Diego with momondo
Airline
Rating
Free Cancellation
Price
Hawaiian AirlinesPriceFrom $138Free CancellationRating
7.8
2,841 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $222Free CancellationRating
7.9
12,093 reviews
Search Alaska Airlines flights
DeltaPriceFrom $228Free CancellationRating
7.9
8,314 reviews
Search Delta flights
United AirlinesPriceFrom $249Free CancellationRating
7.4
9,455 reviews
Search United Airlines flights

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Coronado
Chula Vista
El Cajon
Julian
National City
Poway
San Ysidro
Imperial Beach
La Mesa
Borrego Springs
Alpine
Santee
Lemon Grove

Why use momondo?

Why should I use momondo to find a flight deal from Missoula to San Diego?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Missoula to San Diego for you.

Can I find flights from Missoula to San Diego with flexible booking policies on momondo?

All flight searches from Missoula to San Diego on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Missoula to San Diego?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Diego from Missoula.

I’m not ready to book a flight from Missoula to San Diego right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Missoula to San Diego flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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