Montana

$84+ 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BZN
Apr 11 — Apr 181
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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 March 12, 2026.

This Delta deal was found by Cheapflights users on 3/8. 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 5/83:45 pm
SAN
-
BZN
1 stop6h 36m
Delta
Sat 5/164:02 pm
BZN
-
SAN
1 stop19h 03m
Delta
Deal found 3/8$185
This Delta deal was found by Cheapflights users on 3/8. 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 5/83:45 pm
SAN
-
BZN
1 stop6h 36m
Delta
Wed 5/131:12 pm
BZN
-
SAN
2 stops10h 14m
Delta
Deal found 3/8$190
This Southwest deal was found by Cheapflights users on 3/11. 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 4/156:30 pm
SAN
-
BZN
1 stop4h 45m
Southwest
Wed 4/2211:20 am
BZN
-
SAN
2 stops7h 25m
Southwest
Deal found 3/11$198
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Thu 5/219:59 pm
SAN
-
FCA
1 stop10h 47m
Multiple Airlines
Fri 5/298:25 pm
FCA
-
SAN
1 stop13h 33m
Multiple Airlines
Deal found 3/9$201
This Delta deal was found by Cheapflights users on 3/8. 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 5/81:37 pm
SAN
-
BZN
1 stop8h 44m
Delta
Mon 5/111:12 pm
BZN
-
SAN
1 stop3h 44m
Delta
Deal found 3/8$208
This Alaska Airlines deal was found by Cheapflights users on 3/8. 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.
Sat 8/293:25 pm
SAN
-
BZN
Nonstop2h 43m
Alaska Airlines
Sat 9/57:42 pm
BZN
-
SAN
Nonstop2h 44m
Alaska Airlines
Deal found 3/8$211
This Alaska Airlines deal was found by Cheapflights users on 3/11. 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 4/288:00 am
SAN
-
BZN
2 stops10h 19m
Alaska Airlines
Wed 4/293:36 pm
BZN
-
SAN
Nonstop2h 43m
Alaska Airlines
Deal found 3/11$212
This United Airlines deal was found by Cheapflights users on 3/12. 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 4/286:20 am
SAN
-
BZN
1 stop5h 00m
United Airlines
Wed 4/294:19 pm
BZN
-
SAN
1 stop6h 03m
United Airlines
Deal found 3/12$219
This Alaska Airlines deal was found by Cheapflights users on 3/8. 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.
Sat 8/223:25 pm
SAN
-
BZN
Nonstop2h 43m
Alaska Airlines
Wed 8/267:42 pm
BZN
-
SAN
Nonstop2h 44m
Alaska Airlines
Deal found 3/8$220
This Southwest deal was found by Cheapflights users on 3/9. 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.
Thu 6/46:05 pm
SAN
-
BZN
1 stop6h 05m
Southwest
Mon 6/81:50 pm
BZN
-
SAN
Nonstop2h 40m
Southwest
Deal found 3/9$221
This Kiwi.com deal was found by Cheapflights users on 3/7. 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.
Wed 4/2912:29 pm
SAN
-
MSO
1 stop21h 29m
Multiple Airlines
Mon 5/48:54 pm
MSO
-
SAN
1 stop17h 58m
Multiple Airlines
Deal found 3/7$223
This Southwest deal was found by Cheapflights users on 3/12. 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 4/284:05 pm
SAN
-
BZN
2 stops7h 10m
Southwest
Wed 4/293:20 pm
BZN
-
SAN
1 stop7h 25m
Southwest
Deal found 3/12$224

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 March 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$185
(Delta)

One-way from

$84
(Southwest)

Popular in

June

Cheapest in

November

Average price

$277

Good round-trip deal

$252 or less

Good one-way deal

$95 or less
Provider with most accurate pricing for San Diego-Bozeman Gallatin Field flight deals.
Provider most trusted by Cheapflights users for San Diego-Bozeman Gallatin Field flights.
From San Diego to Montana
One-way flight from San Diego to Montana
Highest demand for flights based on searches. 16% potential increase in price ($58 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).
Average for round-trip flights in March 2026
Price to beat on a round-trip flight from San Diego to Montana.
Price to beat on a one-way flight from San Diego to Montana.

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 March 12, 2026.
Use the filters below to find and compare flights from San Diego to Montana that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoHelena

SAN - HLN

SANHLN

San Diego

Tue 4/28

7:35 pm-5:45 pm

1 stop21h 10m

Helena

Sat 5/2

6:22 pm-1:27 pm

1 stop20h 05m

$225

San DiegoHelena

SAN - HLN

SANHLN

San Diego

Tue 5/5

10:51 am-5:45 pm

1 stop5h 54m

Helena

Wed 5/13

4:43 pm-10:26 pm

1 stop6h 43m

$225

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Sat 5/2

7:35 pm-5:35 pm

1 stop21h 00m

Great Falls

Tue 5/5

6:15 pm-12:04 pm

1 stop18h 49m

$234

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Tue 4/28

2:23 pm-11:58 pm

1 stop8h 35m

Bozeman Gallatin Field

Wed 4/29

8:00 am-1:27 pm

1 stop6h 27m

$236

San DiegoMissoula

SAN - MSO

SANMSO

San Diego

Wed 4/29

12:29 pm-10:58 am

1 stop21h 29m

Missoula Johnson-Bell Field

Mon 5/4

8:54 pm-11:34 am

2 stops39h 40m

$238

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Fri 6/5

2:30 pm-11:30 pm

2 stops8h 00m

Bozeman Gallatin Field

Sat 6/13

5:00 pm-6:45 pm

Nonstop2h 45m

$240

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Sat 5/9

7:15 am-5:35 pm

1 stop9h 20m

Great Falls

Mon 5/18

6:52 pm-11:59 pm

1 stop6h 07m

$244
Quickest round-trip

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Sat 6/6

3:00 pm-9:55 pm

1 stop5h 55m

Bozeman Gallatin Field

Sat 6/13

5:00 pm-6:45 pm

Nonstop2h 45m

$246

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Sun 4/5

6:20 am-12:20 pm

1 stop5h 00m

Bozeman Gallatin Field

Fri 4/10

1:33 pm-8:12 pm

1 stop7h 39m

$268

San DiegoBillings

SAN - BIL

SANBIL

San Diego

Wed 4/8

5:01 pm-10:29 pm

1 stop4h 28m

Billings Logan Intl

Wed 4/15

5:20 am-8:42 am

1 stop4h 22m

$271

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Showing 1-10 of 60 resultsSorted by cheapest first
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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 March 12, 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 March 12, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Southwest, andDelta 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.

Overall

8.0

Crew

8.5

Comfort

7.8

Food

7.1

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.

Overall

8.0

Crew

8.5

Comfort

7.8

Food

7.1

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.

Overall

8.0

Crew

8.5

Comfort

7.8

Food

7.1

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.

Overall

8.0

Crew

8.5

Comfort

7.8

Food

7.1

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.

Overall

8.0

Crew

8.5

Comfort

7.8

Food

7.1

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.

Overall

8.0

Crew

8.5

Comfort

7.8

Food

7.1

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.

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, Southwest, and Delta can get you from San Diego to Montana in just under 4h 28m. Your travel time can differ by up to 16h 42m. There are 1013 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 Alaska Airlines, with whom users have recently found tickets for as low as $95. However, be on the lookout for offers from Southwest 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?

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

    Consider Horizon Air (95%), Alaska Airlines (84%) or American Airlines (73%) 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 $218, our data indicates the cheapest price to be $78. The most popular route (San Diego - Bozeman Gallatin Field), is priced around $190.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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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.

Top 6 airlines flying from San Diego to Montana

Discover the top 6 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 March 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$147Average$416FlexibilityNo cancel feeOn-time85%
DeltaCheapest$148Average$333FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$176Average$427FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$191Average$362FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$196Average$328FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$216Average$247FlexibilityNo cancel feeOn-time62%

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