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$87+ Cheap flights from Montana to San Diego (SAN)

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 10/25. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SAN
oct. 25 — nov. 11
sáb. 10/25
sáb. 11/1
1 adult, Economy
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Cheap flight deals from Montana to San Diego

Keep the following information in mind while searching for Montana to San Diego flight deals. Data was last updated septiembre 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$185
(Southwest)

One-way from

$87
(United Airlines)

Popular in

October

Cheapest in

April

Average price

$292

Good round-trip deal

$333 or less
Provider with most accurate pricing for Bozeman Gallatin Field-San Diego flight deals.
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Provider most trusted by Cheapflights users for Bozeman Gallatin Field-San Diego flights.
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From Montana to San Diego
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One-way flight from Montana to San Diego
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Highest demand for flights based on searches. 5% potential increase in price ($17 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Montana to San Diego.
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Find flight deals from Montana to San Diego

Cheapest flights from Montana to San Diego
Explore the most affordable flight options available from Montana to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 25, 2025.

This Southwest deal was found by Cheapflights users on 9/23. 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.
sáb. 11/12:45 pmBZN - SAN
1 stop7h 35mSouthwest
mar. 11/41:30 pmSAN - BZN
1 stop8h 15mSouthwest
Deal found 9/23$197
This United Airlines deal was found by Cheapflights users on 9/22. 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.
jue. 10/304:35 pmBZN - SAN
1 stop6h 54mUnited Airlines
mié. 11/56:45 amSAN - BZN
1 stop7h 45mUnited Airlines
Deal found 9/22$206
This United Airlines deal was found by Cheapflights users on 9/23. 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.
vie. 10/174:30 pmBZN - SAN
1 stop6h 45mUnited Airlines
mar. 10/218:00 amSAN - BZN
1 stop6h 16mUnited Airlines
Deal found 9/23$207
This United Airlines deal was found by Cheapflights users on 9/25. 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.
jue. 10/302:43 pmBZN - SAN
1 stop7h 11mUnited Airlines
dom. 11/25:15 amSAN - BZN
1 stop5h 16mUnited Airlines
Deal found 9/25$216
This Kiwi.com deal was found by Cheapflights users on 9/25. 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.
dom. 10/199:35 pmBIL - SAN
1 stop26h 29mMultiple Airlines
jue. 10/303:59 pmSAN - BIL
1 stop16h 25mMultiple Airlines
Deal found 9/25$216
This Delta deal was found by Cheapflights users on 9/24. 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.
vie. 10/245:35 amBZN - SAN
1 stop4h 05mDelta
vie. 10/313:15 pmSAN - BZN
1 stop5h 59mDelta
Deal found 9/24$217
This Southwest deal was found by Cheapflights users on 9/25. 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.
jue. 10/238:00 pmBZN - SAN
1 stop4h 05mSouthwest
dom. 10/268:55 pmSAN - BZN
1 stop11h 55mSouthwest
Deal found 9/25$221
This Kiwi.com deal was found by Cheapflights users on 9/25. 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.
lun. 10/2010:02 amBIL - SAN
1 stop14h 02mMultiple Airlines
jue. 10/303:59 pmSAN - BIL
1 stop16h 25mMultiple Airlines
Deal found 9/25$221
This Alaska Airlines deal was found by Cheapflights users on 9/23. 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.
mié. 10/222:07 pmMSO - SAN
1 stop9h 06mAlaska Airlines
mié. 10/296:15 amSAN - MSO
1 stop8h 09mAlaska Airlines
Deal found 9/23$228
This Alaska Airlines deal was found by Cheapflights users on 9/25. 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.
mar. 11/43:40 pmBIL - SAN
1 stop5h 58mAlaska Airlines
mié. 11/127:00 amSAN - BIL
1 stop5h 20mAlaska Airlines
Deal found 9/25$232
This Kiwi.com deal was found by Cheapflights users on 9/23. 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.
lun. 10/1310:08 pmBZN - SAN
1 stop16h 18mMultiple Airlines
vie. 10/178:11 amSAN - BZN
1 stop12h 24mMultiple Airlines
Deal found 9/23$233
This Alaska Airlines deal was found by Cheapflights users on 9/23. 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.
mié. 10/296:32 amMSO - SAN
1 stop9h 15mAlaska Airlines
vie. 10/316:38 pmSAN - MSO
1 stop19h 46mAlaska Airlines
Deal found 9/23$236

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated septiembre 25, 2025.
Use the filters below to find and compare flights from Montana to San Diego that are best for you.

Fly from

Montana

Fly to

San Diego

Route

Depart

Return

Price

BozemanSan Diego

BZN - SAN

BZNSAN

Bozeman Gallatin Field

jue. 10/30

1:37 pm-7:52 pm

1 stop7h 15m

San Diego

mié. 11/5

6:45 am-1:35 pm

1 stop5h 50m

$191

BozemanSan Diego

BZN - SAN

BZNSAN

Bozeman Gallatin Field

vie. 12/5

4:05 pm-10:25 pm

1 stop7h 20m

San Diego

lun. 12/8

3:15 pm-10:45 pm

1 stop6h 30m

$216

BozemanSan Diego

BZN - SAN

BZNSAN

Bozeman Gallatin Field

jue. 10/23

4:30 pm-8:25 pm

1 stop4h 55m

San Diego

dom. 10/26

6:45 am-1:35 pm

1 stop5h 50m

$216

BozemanSan Diego

BZN - SAN

BZNSAN

Bozeman Gallatin Field

vie. 10/31

4:35 pm-8:54 pm

1 stop5h 19m

San Diego

lun. 11/3

6:45 am-3:30 pm

1 stop7h 45m

$216

BozemanSan Diego

BZN - SAN

BZNSAN

Bozeman Gallatin Field

lun. 10/27

3:01 pm-10:31 pm

1 stop8h 30m

San Diego

jue. 10/30

1:40 pm-10:14 pm

1 stop7h 34m

$217

BozemanSan Diego

BZN - SAN

BZNSAN

Bozeman Gallatin Field

lun. 11/17

3:00 pm-10:47 pm

1 stop8h 47m

San Diego

vie. 11/21

5:15 pm-12:10 am

1 stop5h 55m

$217

BozemanSan Diego

BZN - SAN

BZNSAN

Bozeman Gallatin Field

vie. 12/5

3:00 pm-10:45 pm

1 stop8h 45m

San Diego

lun. 12/8

5:22 pm-12:17 am

1 stop5h 55m

$217

BozemanSan Diego

BZN - SAN

BZNSAN

Bozeman Gallatin Field

vie. 10/24

5:35 am-8:40 am

1 stop4h 05m

San Diego

vie. 10/31

3:15 pm-10:14 pm

1 stop5h 59m

$217

BozemanSan Diego

BZN - SAN

BZNSAN

Bozeman Gallatin Field

lun. 11/3

3:01 pm-10:41 pm

1 stop8h 40m

San Diego

sáb. 11/8

6:15 am-12:14 pm

1 stop4h 59m

$217

BozemanSan Diego

BZN - SAN

BZNSAN

Bozeman Gallatin Field

jue. 10/23

10:35 am-5:15 pm

2 stops7h 40m

San Diego

dom. 10/26

8:55 pm-9:50 am

1 stop11h 55m

$227

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/25

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

Have a flexible travel schedule? Discover the best time to fly to San Diego from Montana 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 Montana to San Diego

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

Currently, August is the cheapest month in which you can book a flight from Montana to San Diego (average of $286). Flying from Montana to San Diego in March is currently the most expensive (average of $366). 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 MT to SAN?

Find hourly flight availability from Montana to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 25, 2025.

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

Related info for your journey

Find useful and relevant information for your journey from Montana to San Diego. 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 into for flights to San Diego from Montana?

    Located just 2.6 mi from the city center, San Diego (SAN) is the airport most travelers will use when flying to San Diego from Montana.

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

    Airlines like United Airlines, Southwest, and Delta fly from Montana to San Diego in about 7h 15m. The time it takes to get you to your destination can typically vary by up to 1h 15m. Airlines will cover a distance of 956 mi. This flight may include one or multiple stops.

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

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $87. Users have also found prices from $108 and $109 on Southwest and Delta, respectively.

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

    The most popular flight routes from Montana to San Diego are Kalispell Glacier Park - San Diego, Missoula Johnson-Bell Field - San Diego and Bozeman Gallatin Field - San Diego.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Montana to San Diego on time: SkyWest Airlines (79%), American Airlines (79%), Alaska Airlines (79%).

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

    On average you can expect to pay $377 for a flight from Montana to San Diego. The cheapest flight overall is $287 while the most popular route, (Kalispell Glacier Park - San Diego) is currently priced at $240.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Montana to San Diego 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 Montana to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Montana to San Diego (average of $286). Flying from Montana to San Diego in March is currently the most expensive (average of $366). 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

Traveling to a place near San Diego?

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

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Alternative routes for Montana to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Montana to San Diego

Discover the top 6 airlines that operate flights from Montana to San Diego. 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 septiembre 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$138Average$505FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$165Average$306FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$176Average$418FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$216Average$374FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$220Average$347FlexibilityNo cancel feeOn-time71%
DeltaCheapest$236Average$390FlexibilityNo cancel feeOn-timeN/A

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