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Cheap flights from Montana to San Diego from $79

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montana to San Diego departing on 3/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Montana to San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:19 pm - 9:30 pm
BZN
-
SAN
6h 11m
1 stop
United Airlines Logo
6:32 am - 1:34 pm
SAN
-
BZN
6h 02m
1 stop
$177United Airlines
Tue, Apr 14 - Sat, Apr 18
Southwest Logo
11:20 am - 6:15 pm
BZN
-
SAN
7h 55m
2 stops
Southwest Logo
6:30 pm - 12:15 am
SAN
-
BZN
4h 45m
1 stop
$182Southwest
Tue, May 5 - Wed, May 20
United Airlines Logo
4:19 pm - 9:30 pm
BZN
-
SAN
6h 11m
1 stop
United Airlines Logo
6:20 am - 12:20 pm
SAN
-
BZN
5h 00m
1 stop
$187United Airlines
Tue, Apr 21 - Fri, Apr 24
United Airlines Logo
4:19 pm - 10:30 pm
BZN
-
SAN
7h 11m
1 stop
United Airlines Logo
6:20 am - 12:20 pm
SAN
-
BZN
5h 00m
1 stop
$194United Airlines
Wed, Apr 22 - Sun, Apr 26
Delta Logo
6:34 pm - 9:41 pm
BZN
-
SAN
4h 07m
1 stop
Delta Logo
1:40 pm - 10:40 pm
SAN
-
BZN
8h 00m
1 stop
$197Delta
Sat, Apr 18 - Wed, Apr 22
Alaska Airlines Logo
11:20 am - 4:56 pm
BZN
-
SAN
6h 36m
1 stop
Alaska Airlines Logo
8:01 am - 12:00 pm
SAN
-
BZN
2h 59mnonstop
$201Alaska Airlines
Tue, Apr 14 - Sat, Apr 18
Multiple Airlines Logo
1:33 pm - 11:34 am
FCA
-
SAN
23h 01m
1 stop
Multiple Airlines Logo
7:23 pm - 12:43 pm
SAN
-
FCA
16h 20m
1 stop
$207Multiple Airlines
Mon, Apr 13 - Thu, Apr 16
Delta Logo
4:02 pm - 10:26 pm
BZN
-
SAN
7h 24m
1 stop
Delta Logo
7:00 am - 3:14 pm
SAN
-
BZN
7h 14m
1 stop
$211Delta
Sat, May 23 - Wed, May 27
Multiple Airlines Logo
10:58 am - 3:44 pm
FCA
-
SAN
29h 46m
2 stops
Multiple Airlines Logo
11:58 am - 12:03 pm
SAN
-
FCA
23h 05m
1 stop
$228Multiple Airlines
Sun, Mar 29 - Sun, Apr 5
Alaska Airlines Logo
6:15 pm - 6:41 pm
GTF
-
SAN
25h 26m
1 stop
Alaska Airlines Logo
8:35 pm - 5:35 pm
SAN
-
GTF
20h 00m
1 stop
$232Alaska Airlines
Thu, Apr 30 - Mon, May 4

United Airlines flights from Montana to San Diego

Our best United Airlines deals on Montana to San Diego flight tickets
United Airlines
Apr 14
BZN4:19 pmBozeman Gallatin Field
6h 11m
1 stop
SAN9:30 pmSan Diego
Apr 18
SAN6:32 amSan Diego
6h 02m
1 stop
BZN1:34 pmBozeman Gallatin Field
$177
United Airlines
Apr 21
BZN4:19 pmBozeman Gallatin Field
6h 11m
1 stop
SAN9:30 pmSan Diego
Apr 24
SAN6:20 amSan Diego
5h 00m
1 stop
BZN12:20 pmBozeman Gallatin Field
$187
United Airlines
Apr 22
BZN4:19 pmBozeman Gallatin Field
7h 11m
1 stop
SAN10:30 pmSan Diego
Apr 26
SAN6:20 amSan Diego
5h 00m
1 stop
BZN12:20 pmBozeman Gallatin Field
$194

Southwest flights from Montana to San Diego

Our best Southwest deals on Montana to San Diego flight tickets
Southwest
May 5
BZN11:20 amBozeman Gallatin Field
7h 55m
2 stops
SAN6:15 pmSan Diego
May 20
SAN6:30 pmSan Diego
4h 45m
1 stop
BZN12:15 amBozeman Gallatin Field
$182
Southwest
Apr 23
BZN6:15 amBozeman Gallatin Field
4h 25m
1 stop
SAN9:40 amSan Diego
Apr 29
SAN3:45 pmSan Diego
7h 30m
2 stops
BZN12:15 amBozeman Gallatin Field
$199
Southwest
Apr 23
BZN6:15 amBozeman Gallatin Field
6h 40m
2 stops
SAN11:55 amSan Diego
Apr 29
SAN4:30 pmSan Diego
6h 45m
2 stops
BZN12:15 amBozeman Gallatin Field
$204

momondo Fare Finder

 
Customize your flight search to find flights from Montana 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 2, 2026.
Use the filters below to find and compare flights from Montana to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BozemanSan Diego

BZN - SAN

BZNSAN

Bozeman Gallatin Field

Tue 4/14

4:19 pm-9:30 pm

1 stop6h 11m

San Diego

Sat 4/18

6:32 am-1:34 pm

1 stop6h 02m

$177

BozemanSan Diego

BZN - SAN

BZNSAN

Bozeman Gallatin Field

Tue 5/5

11:20 am-6:15 pm

2 stops7h 55m

San Diego

Wed 5/20

6:30 pm-12:15 am

1 stop4h 45m

$182

BozemanSan Diego

BZN - SAN

BZNSAN

Bozeman Gallatin Field

Tue 4/21

4:19 pm-9:30 pm

1 stop6h 11m

San Diego

Fri 4/24

6:20 am-12:20 pm

1 stop5h 00m

$187

BozemanSan Diego

BZN - SAN

BZNSAN

Bozeman Gallatin Field

Wed 4/22

4:19 pm-10:30 pm

1 stop7h 11m

San Diego

Sun 4/26

6:20 am-12:20 pm

1 stop5h 00m

$194

BozemanSan Diego

BZN - SAN

BZNSAN

Bozeman Gallatin Field

Sat 4/18

6:34 pm-9:41 pm

1 stop4h 07m

San Diego

Wed 4/22

1:40 pm-10:40 pm

1 stop8h 00m

$197

BozemanSan Diego

BZN - SAN

BZNSAN

Bozeman Gallatin Field

Tue 4/14

11:20 am-4:56 pm

1 stop6h 36m

San Diego

Sat 4/18

8:01 am-12:00 pm

Nonstop2h 59m

$201

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Mon 4/13

1:33 pm-11:34 am

1 stop23h 01m

San Diego

Thu 4/16

7:23 pm-12:43 pm

1 stop16h 20m

$207

BozemanSan Diego

BZN - SAN

BZNSAN

Bozeman Gallatin Field

Sat 5/23

4:02 pm-10:26 pm

1 stop7h 24m

San Diego

Wed 5/27

7:00 am-3:14 pm

1 stop7h 14m

$211

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Sun 3/29

10:58 am-3:44 pm

2 stops29h 46m

San Diego

Sun 4/5

11:58 am-12:03 pm

1 stop23h 05m

$228

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Thu 4/30

6:15 pm-6:41 pm

1 stop25h 26m

San Diego

Mon 5/4

8:35 pm-5:35 pm

1 stop20h 00m

$232

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 Montana 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 cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of April, then departing from Montana during the month February is also very affordable. Most momondo users find prices during this month for around $242.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Montana to San Diego is on a Thursday. Travelers who choose to depart for San Diego on a Thursday will often find tickets for as low as $171. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $582. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

What is the cheapest time of day to depart on your flight to San Diego?

The cheapest time of day to fly to San Diego is in the afternoon when flights can be purchased for as low as $171. Flights in the morning are often more expensive with an average ticket price of $401.

What is the cheapest Montana to San Diego flight route?

Fly from Bozeman Gallatin Field to San Diego for the best Montana - 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 Montana when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $281 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Montana for as low as $193 on momondo.

What cabin class options are available on Montana to San Diego flights?

There are 3 cabin classes available to choose from on Montana 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 Montana to San Diego flights?

You could potentially save up to 10% on your flight if you consider stops on a Montana to San Diego flight.

Cheap Montana to San Diego flight deals and tips

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

Best Price Found

$168

Fastest flight time

2h 45m

Direct flights

Mon, Wed, Thu, Fri, Sat and Sun

Airports in San Diego

1 airport
The best one-way flight to San Diego from Montana in the past 72 hours is $168. The best round-trip flight deal from Montana to San Diego found on momondo in the last 72 hours is $317.
The fastest flight from Montana to San Diego takes 2h 45m
Direct flights go from Montana to San Diego on Monday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport in San Diego. From Montana there are direct flights to San Diego (SAN).
Search flight deals

  • When did momondo last update prices for flights from Montana to San Diego Airport?

    Prices for flights from Montana to San Diego Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Montana to San Diego Airport?

  • How old do you have to be to fly from Montana 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 Montana to San Diego Airport.

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

    The travel and health documents you'll need for your trip to San Diego Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Diego Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Montana to San Diego

Compare and see reviews for airlines that fly from Montana to San Diego with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $118Free CancellationRating
7.9
8,237 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $138Free CancellationRating
7.8
2,837 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $148Free CancellationRating
8.0
11,974 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $150Free CancellationRating
8.0
4,306 reviews
Search Southwest flights
United AirlinesPriceFrom $163Free CancellationRating
7.4
9,376 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
Poway
National City
Imperial Beach
San Ysidro
Borrego Springs
La Mesa
Alpine
Lemon Grove
Santee

Why use momondo?

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

It is quick and easy to find Montana to San Diego flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Diego that suits you.

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

Flights from Montana to San Diego with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Montana 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 Montana.

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

Yes momondo offers price alerts on flights to San Diego from Montana. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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