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$99+ 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 2/16. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SAN
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Montana to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Montana (USMT) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$187
(United Airlines)

One-way from

$99
(American Airlines)
From Montana to San Diego
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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 January 21, 2025.

This United Airlines deal was found by Cheapflights users on 1/20. 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 3/54:26 pmBZN - SAN
1 stop7h 14mUnited Airlines
Mon 3/107:45 amSAN - BZN
1 stop6h 00mUnited Airlines
Deal found 1/20$187
This American Airlines deal was found by Cheapflights users on 1/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/202:02 pmBZN - SAN
1 stop10h 28mAmerican Airlines
Mon 2/246:15 amSAN - BZN
1 stop7h 38mAmerican Airlines
Deal found 1/19$197
This Mytrip deal was found by Cheapflights users on 1/20. 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.
Thu 2/611:33 amBZN - SAN
1 stop11h 45mMultiple Airlines
Sat 2/87:26 pmSAN - BZN
1 stop14h 12mMultiple Airlines
Deal found 1/20$198
This Mytrip deal was found by Cheapflights users on 1/21. 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.
Sun 2/210:09 pmFCA - SAN
1 stop15h 27mMultiple Airlines
Thu 2/61:31 pmSAN - FCA
1 stop6h 48mMultiple Airlines
Deal found 1/21$198
This Mytrip deal was found by Cheapflights users on 1/20. 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 1/316:04 pmGTF - SAN
1 stop5h 14mMultiple Airlines
Mon 2/36:15 amSAN - GTF
1 stop9h 59mMultiple Airlines
Deal found 1/20$201
This Delta deal was found by Cheapflights users on 1/20. 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 2/195:59 amGTF - SAN
1 stop8h 51mDelta
Tue 2/2510:15 amSAN - GTF
1 stop6h 35mDelta
Deal found 1/20$226
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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 3/112:53 pmBZN - SAN
1 stop7h 21mAlaska Airlines
Tue 3/186:15 amSAN - BZN
2 stops8h 24mAlaska Airlines
Deal found 1/20$228
This Delta deal was found by Cheapflights users on 1/21. 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 3/265:45 amHLN - SAN
1 stop4h 25mDelta
Sat 3/296:20 amSAN - HLN
1 stop5h 15mDelta
Deal found 1/21$237
This Delta deal was found by Cheapflights users on 1/20. 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.
Tue 2/255:40 amBZN - SAN
1 stop4h 30mDelta
Sat 3/15:14 pmSAN - BZN
1 stop4h 42mDelta
Deal found 1/20$237
This Delta deal was found by Cheapflights users on 1/20. 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.
Tue 2/186:35 pmBIL - SAN
1 stop6h 23mDelta
Tue 2/255:14 pmSAN - BIL
1 stop6h 17mDelta
Deal found 1/20$237
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Mon 3/242:45 pmBIL - SAN
2 stops10h 45mUnited Airlines
Wed 4/97:00 amSAN - BIL
1 stop5h 18mUnited Airlines
Deal found 1/19$252
This Delta deal was found by Cheapflights users on 1/19. 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.
Tue 3/1112:00 pmMSO - SAN
2 stops11h 22mDelta
Thu 3/131:25 pmSAN - MSO
2 stops10h 07mDelta
Deal found 1/19$264

Find flights from Montana to San Diego within your budget

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BozemanSan Diego

BZN - SAN

BZNSAN

Bozeman Gallatin Field

Wed 3/5

4:26 pm-10:40 pm

1 stop7h 14m

San Diego

Mon 3/10

7:45 am-2:45 pm

1 stop6h 00m

$187

BozemanSan Diego

BZN - SAN

BZNSAN

Bozeman Gallatin Field

Thu 2/20

2:02 pm-11:30 pm

1 stop10h 28m

San Diego

Mon 2/24

6:15 am-2:53 pm

1 stop7h 38m

$197

BozemanSan Diego

BZN - SAN

BZNSAN

Bozeman Gallatin Field

Thu 2/6

11:33 am-10:18 pm

1 stop11h 45m

San Diego

Sat 2/8

7:26 pm-10:38 am

1 stop14h 12m

$198

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Sun 2/2

10:09 pm-12:36 pm

1 stop15h 27m

San Diego

Thu 2/6

1:31 pm-9:19 pm

1 stop6h 48m

$198

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Fri 1/31

6:04 pm-10:18 pm

1 stop5h 14m

San Diego

Mon 2/3

6:15 am-5:14 pm

1 stop9h 59m

$201

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Wed 2/19

5:59 am-1:50 pm

1 stop8h 51m

San Diego

Tue 2/25

10:15 am-5:50 pm

1 stop6h 35m

$226

BozemanSan Diego

BZN - SAN

BZNSAN

Bozeman Gallatin Field

Tue 3/11

2:53 pm-9:14 pm

1 stop7h 21m

San Diego

Tue 3/18

6:15 am-3:39 pm

2 stops8h 24m

$228

HelenaSan Diego

HLN - SAN

HLNSAN

Helena

Wed 3/26

5:45 am-9:10 am

1 stop4h 25m

San Diego

Sat 3/29

6:20 am-12:35 pm

1 stop5h 15m

$237

BozemanSan Diego

BZN - SAN

BZNSAN

Bozeman Gallatin Field

Tue 2/25

5:40 am-9:10 am

1 stop4h 30m

San Diego

Sun 3/2

5:14 pm-10:56 pm

1 stop4h 42m

$237

BillingsSan Diego

BIL - SAN

BILSAN

Billings Logan Intl

Tue 2/18

6:35 pm-11:58 pm

1 stop6h 23m

San Diego

Tue 2/25

5:14 pm-12:31 am

1 stop6h 17m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 48 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.

Travel insights for flights from Montana to San Diego

Get recent, data-driven insights about flights from Montana to San Diego including ideal travel times, pricing trends, and more.

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 January 21, 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 January 21, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and United Airlines 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.
Southwest
8.1
Very good
4,662 reviews

Boarding

8.2

Overall

8.1

Food

7.2

Comfort

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
4,662 reviews
Southwest
8.1
Very good
4,662 reviews

Boarding

8.2

Overall

8.1

Food

7.2

Comfort

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,706 reviews
Southwest
8.1
Very good
4,662 reviews

Boarding

8.2

Overall

8.1

Food

7.2

Comfort

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,521 reviews
Southwest
8.1
Very good
4,662 reviews

Boarding

8.2

Overall

8.1

Food

7.2

Comfort

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
8,984 reviews
Southwest
8.1
Very good
4,662 reviews

Boarding

8.2

Overall

8.1

Food

7.2

Comfort

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Allegiant Air
7.4
Good
801 reviews
Southwest
8.1
Very good
4,662 reviews

Boarding

8.2

Overall

8.1

Food

7.2

Comfort

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

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 American Airlines. According to our data, you can fly for as low as $99. Users have also found prices from $112 and $119 on Alaska Airlines 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 Bozeman Gallatin Field - San Diego, Missoula Johnson-Bell Field - San Diego and Billings Logan Intl - 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 (58%), Hawaiian Airlines (58%).

  • 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
Borrego Springs

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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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$108Average$206FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$176Average$443FlexibilityNo cancel feeOn-time69%
DeltaCheapest$197Average$420FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$216Average$352FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$220Average$374FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$231Average$399FlexibilityNo cancel feeOn-time75%
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