HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Montana

$80+ 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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BZN
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Diego to Montana with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 July 29, 2025.

Round-trip from

$160
(Mytrip)

One-way from

$80
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$359

Good round-trip deal

$133 or less

Good one-way deal

$218 or less
From San Diego to Montana
Search Deals
One-way flight from San Diego to Montana
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
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

Find 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 July 29, 2025.

This Mytrip deal was found by Cheapflights users on 7/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/46:15 amSAN - FCA
1 stop9h 28mMultiple Airlines
Thu 9/115:33 pmFCA - SAN
1 stop6h 51mMultiple Airlines
Deal found 7/28$160
This Mytrip deal was found by Cheapflights users on 7/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/226:15 amSAN - MSO
1 stop13h 42mMultiple Airlines
Fri 8/2910:27 pmMSO - SAN
1 stop9h 54mMultiple Airlines
Deal found 7/28$174
This American Airlines deal was found by Cheapflights users on 7/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/226:15 amSAN - BZN
1 stop8h 03mAmerican Airlines
Tue 8/267:25 amBZN - SAN
2 stops9h 00mAmerican Airlines
Deal found 7/29$216
This Southwest deal was found by Cheapflights users on 7/27. 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.
Sun 8/247:05 amSAN - BZN
1 stop5h 25mSouthwest
Fri 8/291:30 pmBZN - SAN
2 stops7h 10mSouthwest
Deal found 7/27$222
This FlightHub deal was found by Cheapflights users on 7/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/146:25 amSAN - MSO
1 stop28h 29mFrontier
Mon 8/1812:40 pmMSO - SAN
1 stop12h 12mFrontier
Deal found 7/27$225
This Mytrip deal was found by Cheapflights users on 7/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/36:15 amSAN - BZN
1 stop6h 31mMultiple Airlines
Sun 8/244:58 pmBZN - SAN
2 stops20h 19mMultiple Airlines
Deal found 7/27$227
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/199:44 amSAN - WYS
1 stop4h 06mDelta
Sat 8/2311:25 amWYS - SAN
1 stop5h 29mDelta
Deal found 7/29$234
This Delta deal was found by Cheapflights users on 7/27. 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.
Tue 9/23:35 pmSAN - BZN
1 stop5h 51mDelta
Mon 9/85:30 amBZN - SAN
1 stop4h 09mDelta
Deal found 7/27$237
This Delta deal was found by Cheapflights users on 7/27. 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.
Sun 8/319:44 amSAN - MSO
1 stop7h 00mDelta
Fri 9/123:33 pmMSO - SAN
1 stop9h 09mDelta
Deal found 7/27$241
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/88:18 amSAN - BIL
2 stops14h 50mAlaska Airlines
Sat 10/111:59 pmBIL - SAN
1 stop7h 54mAlaska Airlines
Deal found 7/29$254
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/99:44 amSAN - BTM
1 stop6h 22mDelta
Sat 9/136:14 pmBTM - SAN
1 stop5h 30mDelta
Deal found 7/28$254
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/273:06 pmSAN - BZN
2 stops8h 06mAlaska Airlines
Wed 9/35:22 amBZN - SAN
2 stops28h 07mAlaska Airlines
Deal found 7/28$258

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 July 29, 2025.
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 DiegoKalispell

SAN - FCA

SANFCA

San Diego

Thu 9/4

6:15 am-4:43 pm

1 stop9h 28m

Kalispell Glacier Park

Thu 9/11

5:33 pm-11:24 pm

1 stop6h 51m

$160

San DiegoMissoula

SAN - MSO

SANMSO

San Diego

Fri 8/22

6:15 am-8:57 pm

1 stop13h 42m

Missoula Johnson-Bell Field

Fri 8/29

10:27 pm-7:21 am

1 stop9h 54m

$174

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Fri 8/22

6:15 am-3:18 pm

1 stop8h 03m

Bozeman Gallatin Field

Tue 8/26

7:25 am-3:25 pm

2 stops9h 00m

$216

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Sun 8/24

7:05 am-1:30 pm

1 stop5h 25m

Bozeman Gallatin Field

Fri 8/29

1:30 pm-7:40 pm

2 stops7h 10m

$222

San DiegoMissoula

SAN - MSO

SANMSO

San Diego

Thu 8/14

10:52 am-11:54 am

1 stop24h 02m

Missoula Johnson-Bell Field

Mon 8/18

12:40 pm-11:52 pm

1 stop12h 12m

$225

San DiegoWest Yellowstone

SAN - WYS

SANWYS

San Diego

Tue 8/19

9:44 am-2:50 pm

1 stop4h 06m

West Yellowstone

Sat 8/23

11:25 am-3:54 pm

1 stop5h 29m

$234

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Thu 8/21

8:20 am-7:09 pm

2 stops9h 49m

Bozeman Gallatin Field

Thu 8/28

7:59 pm-11:37 pm

1 stop4h 38m

$236

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Tue 9/2

7:30 am-4:48 pm

1 stop8h 18m

Bozeman Gallatin Field

Sat 9/6

6:05 am-12:48 pm

1 stop7h 43m

$237

San DiegoMissoula

SAN - MSO

SANMSO

San Diego

Sun 8/31

9:44 am-5:44 pm

1 stop7h 00m

Missoula Johnson-Bell Field

Fri 9/12

3:33 pm-11:42 pm

1 stop9h 09m

$241

San DiegoBillings

SAN - BIL

SANBIL

San Diego

Wed 10/8

8:18 am-12:08 am

2 stops14h 50m

Billings Logan Intl

Sat 10/11

1:59 pm-8:53 pm

1 stop7h 54m

$254

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 60 results
1
2
3
...
6

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, October is the cheapest month in which you can book a flight from San Diego to Montana (average of $371). Flying from San Diego to Montana in May is currently the most expensive (average of $478). 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 July 29, 2025.

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 July 29, 2025.
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
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,238 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,979 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,605 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $99. However, be on the lookout for offers from American Airlines and Frontier, 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 SkyWest Airlines (84%), American Airlines (84%) or Alaska Airlines (84%) 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 $267, our data indicates the cheapest price to be $138. The most popular route (San Diego - Bozeman Gallatin Field), is priced around $197.

  • 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, October is the cheapest month in which you can book a flight from San Diego to Montana (average of $371). Flying from San Diego to Montana in May is currently the most expensive (average of $478). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Diego to Montana

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to John F Kennedy Intl flights
Los Angeles to Newark flights
Los Angeles to Honolulu flights
San Francisco to John F Kennedy Intl flights
Los Angeles to Seattle flights
San Francisco to Newark flights
San Francisco to Seattle flights
Los Angeles to Dallas/Fort Worth flights
Los Angeles to LaGuardia flights
Ontario to San Francisco flights
Los Angeles to Las Vegas flights
Los Angeles to O'Hare Intl flights
Ontario to Seattle flights
Los Angeles to San Francisco flights
Burbank to Las Vegas flights
San Francisco to Honolulu flights
Ontario to John F Kennedy Intl flights
Santa Ana to Las Vegas flights
San Francisco to LaGuardia flights
Los Angeles to Boston flights
San Francisco to Los Angeles flights
San Jose to Seattle flights
San Francisco to Las Vegas flights
Santa Ana to San Francisco flights
San Jose to Los Angeles flights
Los Angeles to San Jose flights
San Francisco to Ontario flights
San Jose to Las Vegas flights
Ontario to Honolulu flights
Los Angeles to Portland flights
Santa Ana to Seattle flights
San Francisco to O'Hare Intl flights
Burbank to Newark flights
Oakland to Las Vegas flights
Los Angeles to Miami flights
Ontario to Newark flights
Los Angeles to Hobby flights
Los Angeles to Oakland flights
San Francisco to Santa Ana flights
San Francisco to Dallas/Fort Worth flights
Los Angeles to Kahului flights
San Francisco to Boston flights
Oakland to Los Angeles flights
Los Angeles to Orlando flights
Santa Ana to Newark flights
Oakland to Santa Ana flights
San Diego to John F Kennedy Intl flights
San Diego to Newark flights
Burbank to Seattle flights
Ontario to O'Hare Intl flights

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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$166Average$394FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$186Average$479FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$196Average$365FlexibilityNo cancel feeOn-time63%
DeltaCheapest$216Average$352FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$219Average$394FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$412Average$611FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.