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$98+ 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 6/20. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SAN
Apr 29 — May 61
Tue 4/29
Tue 5/6
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 April 24, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$197
(Southwest)

One-way from

$98
(Mytrip)

Popular in

December

Cheapest in

November

Average price

$252

Good round-trip deal

$231 or less

Good one-way deal

$178 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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High demand for flights, 4% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Montana to San Diego.
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Price to beat on a one-way 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 April 24, 2025.

This Southwest deal was found by Cheapflights users on 4/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/297:10 pmBZN - SAN
1 stop5h 00mSouthwest
Tue 8/128:40 amSAN - BZN
1 stop7h 10mSouthwest
Deal found 4/22$197
This CheapOair deal was found by Cheapflights users on 4/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/3012:41 pmMSO - SAN
1 stop22h 14mFrontier
Sun 6/16:25 amSAN - MSO
1 stop28h 30mFrontier
Deal found 4/23$200
This Mytrip deal was found by Cheapflights users on 4/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/910:19 pmBIL - SAN
1 stop26h 37mMultiple Airlines
Thu 6/125:50 pmSAN - BIL
1 stop26h 44mMultiple Airlines
Deal found 4/23$234
This Delta deal was found by Cheapflights users on 4/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/136:00 amBZN - SAN
1 stop7h 49mDelta
Mon 6/161:36 pmSAN - BZN
1 stop9h 20mDelta
Deal found 4/23$237
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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.
Tue 7/15:30 amBZN - SAN
2 stops7h 13mAlaska Airlines
Tue 7/86:57 pmSAN - BZN
2 stops18h 09mAlaska Airlines
Deal found 4/23$243
This Hawaiian Airlines deal was found by Cheapflights users on 4/23. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/286:05 amBIL - SAN
1 stop6h 08mHawaiian Airlines
Mon 6/23:45 pmSAN - BIL
1 stop7h 14mHawaiian Airlines
Deal found 4/23$244
This Delta deal was found by Cheapflights users on 4/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/145:20 amBIL - SAN
1 stop4h 22mDelta
Mon 5/197:18 pmSAN - BIL
1 stop4h 01mDelta
Deal found 4/23$245
This Delta deal was found by Cheapflights users on 4/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/236:19 pmGTF - SAN
1 stop6h 34mDelta
Sun 5/259:47 amSAN - GTF
1 stop6h 49mDelta
Deal found 4/22$254
This Mytrip deal was found by Cheapflights users on 4/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/3010:07 pmMSO - SAN
2 stops19h 38mMultiple Airlines
Sun 6/15:43 pmSAN - MSO
1 stop26h 34mMultiple Airlines
Deal found 4/23$254
This Hawaiian Airlines deal was found by Cheapflights users on 4/23. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/293:08 pmBZN - SAN
1 stop8h 41mHawaiian Airlines
Mon 9/16:15 amSAN - BZN
1 stop6h 59mHawaiian Airlines
Deal found 4/23$256
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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.
Tue 5/273:17 pmMSO - SAN
2 stops17h 22mAlaska Airlines
Sat 5/314:59 pmSAN - MSO
1 stop5h 37mAlaska Airlines
Deal found 4/23$266
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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.
Fri 5/164:19 pmFCA - SAN
1 stop4h 44mAlaska Airlines
Tue 6/36:15 amSAN - FCA
2 stops10h 37mAlaska Airlines
Deal found 4/23$275

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 April 24, 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

Tue 7/29

7:10 pm-11:10 pm

1 stop5h 00m

San Diego

Tue 8/12

8:40 am-4:50 pm

1 stop7h 10m

$197

MissoulaSan Diego

MSO - SAN

MSOSAN

Missoula Johnson-Bell Field

Fri 5/30

12:41 pm-9:55 am

1 stop22h 14m

San Diego

Sun 6/1

6:25 am-11:55 am

1 stop28h 30m

$200

BillingsSan Diego

BIL - SAN

BILSAN

Billings Logan Intl

Mon 6/9

10:19 pm-11:56 pm

1 stop26h 37m

San Diego

Thu 6/12

5:50 pm-9:34 pm

1 stop26h 44m

$234

BozemanSan Diego

BZN - SAN

BZNSAN

Bozeman Gallatin Field

Fri 6/13

7:30 pm-11:44 pm

1 stop5h 14m

San Diego

Mon 6/16

7:15 pm-12:01 am

1 stop3h 46m

$237

BozemanSan Diego

BZN - SAN

BZNSAN

Bozeman Gallatin Field

Tue 7/1

5:30 am-11:43 am

2 stops7h 13m

San Diego

Tue 7/8

6:57 pm-2:06 pm

2 stops18h 09m

$243

BillingsSan Diego

BIL - SAN

BILSAN

Billings Logan Intl

Wed 5/28

6:05 am-11:13 am

1 stop6h 08m

San Diego

Mon 6/2

3:45 pm-11:59 pm

1 stop7h 14m

$244

BillingsSan Diego

BIL - SAN

BILSAN

Billings Logan Intl

Wed 5/14

5:20 am-8:42 am

1 stop4h 22m

San Diego

Mon 5/19

7:18 pm-12:19 am

1 stop4h 01m

$245

MissoulaSan Diego

MSO - SAN

MSOSAN

Missoula Johnson-Bell Field

Fri 5/30

10:07 pm-4:45 pm

2 stops19h 38m

San Diego

Sun 6/1

5:43 pm-9:17 pm

1 stop26h 34m

$254

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Fri 5/23

6:19 pm-11:53 pm

1 stop6h 34m

San Diego

Sun 5/25

9:47 am-5:36 pm

1 stop6h 49m

$254

BozemanSan Diego

BZN - SAN

BZNSAN

Bozeman Gallatin Field

Fri 8/29

3:08 pm-10:49 pm

1 stop8h 41m

San Diego

Mon 9/1

6:15 am-2:14 pm

1 stop6h 59m

$256

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 51 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 April 24, 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.

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. 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 San Diego. Reviews last updated April 24, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Montana to San Diego by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,918 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.1

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,918 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.1

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,286 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.1

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.1

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Hawaiian Airlines
7.9
Good
2,393 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.1

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,685 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.1

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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.

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

    For one-way options, check prices for Southwest. According to our data, you can fly for as low as $112. Users have also found prices from $119 and $139 on Delta and Alaska Airlines, respectively.

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

    The most popular flight routes from Montana to San Diego are Bozeman Gallatin Field - San Diego, Kalispell Glacier Park - San Diego and Missoula Johnson-Bell 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 (100%), Alaska Airlines (93%), Hawaiian Airlines (93%).

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

    On average you can expect to pay $178 for a flight from Montana to San Diego. The cheapest flight overall is $178 while the most popular route, (Bozeman Gallatin Field - San Diego) is currently priced at $197.

  • 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 Montana?

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

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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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$160Average$206FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$176Average$402FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$196Average$323FlexibilityNo cancel feeOn-time63%
DeltaCheapest$216Average$404FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$216Average$367FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$220Average$347FlexibilityNo cancel feeOn-time71%

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