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$89+ Cheap flights from San Diego (SAN) to Montana

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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BZN
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from San Diego to Montana

Cheapest flights from San Diego to Montana
Explore the most affordable flight options available from San Diego to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/29. 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 2/246:30 am
SAN
-
BZN
1 stop7h 53m
United Airlines
Wed 2/251:05 pm
BZN
-
SAN
1 stop5h 24m
United Airlines
Deal found 1/29$177
This Alaska Airlines deal was found by Cheapflights users on 1/26. 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.
Tue 2/246:15 am
SAN
-
BZN
1 stop6h 53m
Alaska Airlines
Wed 2/2511:33 am
BZN
-
SAN
1 stop6h 13m
Alaska Airlines
Deal found 1/26$187
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Fri 3/276:15 am
SAN
-
BZN
1 stop4h 59m
United Airlines
Tue 3/314:19 pm
BZN
-
SAN
1 stop6h 11m
United Airlines
Deal found 1/28$194
This Southwest deal was found by Cheapflights users on 1/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/254:20 pm
SAN
-
BZN
2 stops6h 50m
Southwest
Tue 3/3110:55 am
BZN
-
SAN
1 stop7h 05m
Southwest
Deal found 1/27$197
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Wed 3/256:15 am
SAN
-
BZN
1 stop4h 59m
United Airlines
Sat 3/281:10 pm
BZN
-
SAN
1 stop7h 38m
United Airlines
Deal found 1/27$199
This United Airlines deal was found by Cheapflights users on 1/26. 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 4/56:20 am
SAN
-
BZN
1 stop5h 00m
United Airlines
Wed 4/84:19 pm
BZN
-
SAN
1 stop7h 11m
United Airlines
Deal found 1/26$200
This Southwest deal was found by Cheapflights users on 1/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/82:50 pm
SAN
-
BZN
1 stop6h 10m
Southwest
Sat 4/117:30 am
BZN
-
SAN
1 stop7h 55m
Southwest
Deal found 1/28$202
This United Airlines deal was found by Cheapflights users on 1/27. 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 2/249:00 am
SAN
-
BZN
1 stop5h 23m
United Airlines
Tue 3/34:29 pm
BZN
-
SAN
1 stop5h 22m
United Airlines
Deal found 1/27$204
This United Airlines deal was found by Cheapflights users on 1/29. 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 2/266:15 am
SAN
-
BZN
1 stop4h 44m
United Airlines
Thu 3/51:20 pm
BZN
-
SAN
1 stop7h 28m
United Airlines
Deal found 1/29$210
This Delta deal was found by Cheapflights users on 1/27. 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 2/253:25 pm
SAN
-
BZN
1 stop6h 00m
Delta
Mon 3/23:05 pm
BZN
-
SAN
1 stop8h 15m
Delta
Deal found 1/27$211
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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 3/1812:44 pm
SAN
-
BIL
1 stop10h 14m
Alaska Airlines
Tue 3/3112:34 pm
BIL
-
SAN
1 stop8h 37m
Alaska Airlines
Deal found 1/27$217
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Wed 3/186:30 am
SAN
-
BIL
1 stop5h 53m
United Airlines
Tue 3/312:35 pm
BIL
-
SAN
2 stops9h 03m
United Airlines
Deal found 1/28$222

Find flight deals from San Diego to Montana

Keep the following information in mind while searching for San Diego to Montana flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$177
(United Airlines)

One-way from

$89
(United Airlines)

Popular in

June

Cheapest in

November

Average price

$279

Good round-trip deal

$257 or less

Good one-way deal

$133 or less
Provider with most accurate pricing for San Diego-Bozeman Gallatin Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Bozeman Gallatin Field flights.
Search Deals
From San Diego to Montana
Search Deals
One-way flight from San Diego to Montana
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($82 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from San Diego to Montana.
Search Deals
Price to beat on a one-way flight from San Diego to Montana.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego to Montana 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 January 29, 2026.
Use the filters below to find and compare flights from San Diego to Montana that are best for you.

Fly from

San Diego

Fly to

Montana

Route

Depart

Return

Price

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Tue 2/24

6:15 am-2:08 pm

1 stop6h 53m

Bozeman Gallatin Field

Wed 2/25

3:02 pm-9:49 pm

1 stop7h 47m

$187

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Wed 3/25

6:15 am-12:14 pm

1 stop4h 59m

Bozeman Gallatin Field

Tue 3/31

4:20 pm-8:39 pm

1 stop5h 19m

$187

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Wed 3/25

4:20 pm-12:10 am

2 stops6h 50m

Bozeman Gallatin Field

Tue 3/31

10:55 am-5:00 pm

1 stop7h 05m

$197

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Wed 2/25

3:25 pm-10:25 pm

1 stop6h 00m

Bozeman Gallatin Field

Wed 3/4

5:30 am-8:45 am

1 stop4h 15m

$197

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Wed 3/25

5:01 pm-11:10 pm

1 stop5h 09m

Bozeman Gallatin Field

Sat 3/28

7:35 am-2:44 pm

1 stop8h 09m

$197

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Wed 3/25

6:15 am-12:14 pm

1 stop4h 59m

Bozeman Gallatin Field

Sat 3/28

1:10 pm-7:48 pm

1 stop7h 38m

$199

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Thu 3/26

6:15 am-12:14 pm

1 stop4h 59m

Bozeman Gallatin Field

Tue 3/31

1:33 pm-5:12 pm

1 stop4h 39m

$199

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Sun 4/5

6:20 am-12:20 pm

1 stop5h 00m

Bozeman Gallatin Field

Wed 4/8

4:19 pm-10:30 pm

1 stop7h 11m

$200

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Tue 2/24

9:00 am-3:23 pm

1 stop5h 23m

Bozeman Gallatin Field

Tue 3/3

4:29 pm-8:51 pm

1 stop5h 22m

$204

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Thu 2/26

6:15 am-11:59 am

1 stop4h 44m

Bozeman Gallatin Field

Thu 3/5

1:20 pm-7:48 pm

1 stop7h 28m

$210

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 60 results
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Best time to book a flight from San Diego to Montana

Have a flexible travel schedule? Discover the best time to fly to Montana from San Diego with our price prediction graph.
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 Montana

What is the cheapest month to book a flight from San Diego to Montana?

Currently, May is the cheapest month in which you can book a flight from San Diego to Montana (average of $90). Flying from San Diego to Montana in October is currently the most expensive (average of $189). 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.

What is the cheapest time of day to fly from SAN to MT?

Find hourly flight availability from San Diego to Montana. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 29, 2026.

When flying from San Diego to Montana, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Montana

Get insights into the airlines that provide service to Montana. 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 Montana. Reviews last updated January 29, 2026.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from San Diego to Montana by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,808 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,808 reviews
Alaska Airlines
8.0
Very good
11,808 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Southwest
8.0
Very good
4,267 reviews
Alaska Airlines
8.0
Very good
11,808 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,127 reviews
Alaska Airlines
8.0
Very good
11,808 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Hawaiian Airlines
7.8
Good
2,830 reviews
Alaska Airlines
8.0
Very good
11,808 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,215 reviews
Alaska Airlines
8.0
Very good
11,808 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Related info for your journey

Find useful and relevant information for your journey from San Diego to Montana. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Diego to Montana?

    Most people fly from San Diego (SAN) if they book a flight from San Diego to Montana. San Diego is conveniently located just 2.6 mi from San Diego’s city center.

  • How long is the flight from San Diego to Montana?

    Alaska Airlines, United Airlines, and Southwest can get you from San Diego to Montana in just under 4h 59m. Your travel time can differ by up to 1h 54m. There are 956 mi between San Diego and Montana. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from San Diego to Montana one-way?

    The cheapest airline one-way is Southwest, with whom users have recently found tickets for as low as $98. However, be on the lookout for offers from Alaska Airlines and United Airlines, as they are both options that can get you from San Diego to Montana for a low price.

  • What are the most popular routes from San Diego to Montana?

    When deciding which route to take from San Diego to Montana consider San Diego - Bozeman Gallatin Field, San Diego - Kalispell Glacier Park or San Diego - Missoula Johnson-Bell Field as they are the most popular.

  • What are the most reliable airlines from San Diego to Montana?

    Consider Horizon Air (100%), Alaska Airlines (92%) or American Airlines (88%) when booking your flight. These represent the most reliable airlines when flying from San Diego to Montana.

  • What are the cheapest flights from San Diego to Montana?

    Looking for the cheapest flight from San Diego to Montana? While on average our users pay $219, our data indicates the cheapest price to be $78. The most popular route (San Diego - Bozeman Gallatin Field), is priced around $187.

  • Can I find deals for flights from San Diego to Montana that include hotel bookings?

    Yes. In addition to deals on San Diego to Montana flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to Montana?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Montana.

  • Can I find deals for business class flights from San Diego to Montana?

    Yes. Cheapflights offers flight deals from San Diego to Montana by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Diego to Montana?

    Currently, May is the cheapest month in which you can book a flight from San Diego to Montana (average of $90). Flying from San Diego to Montana in October is currently the most expensive (average of $189). 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.

See more FAQs

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Alternative routes for San Diego to Montana

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from San Diego to Montana

Discover the top 5 airlines that operate flights from San Diego to Montana. 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$147Average$416FlexibilityNo cancel feeOn-time85%
DeltaCheapest$158Average$329FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$186Average$431FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$196Average$372FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$196Average$347FlexibilityNo cancel feeOn-time63%

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