HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Diego

$65+ 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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SAN
dic. 13 — dic. 201
sáb. 12/13
sáb. 12/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Montana to San Diego 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.

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 noviembre 13, 2025.

This eDestinos deal was found by Cheapflights users on 11/12. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/189:53 pmFCA - SAN
1 stop15h 45mMultiple Airlines
vie. 1/27:21 pmSAN - FCA
1 stop20h 44mMultiple Airlines
Deal found 11/12$200
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/36:14 pmBIL - SAN
1 stop16h 48mMultiple Airlines
jue. 12/43:47 pmSAN - BIL
1 stop16h 25mMultiple Airlines
Deal found 11/11$202
This Delta deal was found by Cheapflights users on 11/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/26:33 pmBZN - SAN
1 stop6h 26mDelta
mié. 12/106:30 amSAN - BZN
1 stop6h 48mDelta
Deal found 11/11$204
This Delta deal was found by Cheapflights users on 11/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/3011:53 amBZN - SAN
1 stop7h 12mDelta
sáb. 1/36:20 amSAN - BZN
1 stop7h 21mDelta
Deal found 11/11$237
This Alaska Airlines deal was found by Cheapflights users on 11/13. 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. 12/102:02 pmBIL - SAN
1 stop21h 11mAlaska Airlines
vie. 12/126:30 pmSAN - BIL
1 stop28h 38mAlaska Airlines
Deal found 11/13$244
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/2511:49 amFCA - SAN
2 stops20h 55mMultiple Airlines
vie. 11/287:12 pmSAN - FCA
1 stop13h 27mMultiple Airlines
Deal found 11/12$244
This Delta deal was found by Cheapflights users on 11/10. 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.
mié. 12/35:14 amBIL - SAN
2 stops10h 02mDelta
sáb. 12/611:05 amSAN - BIL
2 stops11h 21mDelta
Deal found 11/10$246
This Kiwi.com deal was found by Cheapflights users on 11/10. 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.
mié. 12/36:14 pmBIL - SAN
1 stop16h 48mMultiple Airlines
vie. 12/51:33 pmSAN - BIL
1 stop21h 09mMultiple Airlines
Deal found 11/10$250
This Alaska Airlines deal was found by Cheapflights users on 11/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/82:02 pmBIL - SAN
1 stop26h 04mAlaska Airlines
mar. 12/166:30 pmSAN - BIL
1 stop28h 38mAlaska Airlines
Deal found 11/12$254
This Kiwi.com deal was found by Cheapflights users on 11/10. 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. 12/15:58 pmBIL - SAN
1 stop27h 09mMultiple Airlines
jue. 12/43:47 pmSAN - BIL
1 stop16h 25mMultiple Airlines
Deal found 11/10$259
This Delta deal was found by Cheapflights users on 11/10. 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.
jue. 12/46:25 amBIL - SAN
1 stop7h 44mDelta
sáb. 12/66:30 amSAN - BIL
2 stops15h 56mDelta
Deal found 11/10$267
This Alaska Airlines deal was found by Cheapflights users on 11/11. 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.
mar. 12/211:46 amBZN - SAN
1 stop23h 27mAlaska Airlines
mié. 12/106:15 amSAN - BZN
2 stops16h 02mAlaska Airlines
Deal found 11/11$272

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 noviembre 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$176
(Alaska Airlines)

One-way from

$65
(Alaska Airlines)

Popular in

December

Cheapest in

February

Average price

$320
Provider with most accurate pricing for Bozeman Gallatin Field-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bozeman Gallatin Field-San Diego flights.
Search Deals
From Montana to San Diego
Search Deals
One-way flight from Montana to San Diego
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($17 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 noviembre 13, 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

vie. 1/16

7:25 pm-10:07 am

1 stop15h 42m

San Diego

mar. 1/20

9:07 pm-1:06 pm

1 stop14h 59m

$176

BozemanSan Diego

BZN - SAN

BZNSAN

Bozeman Gallatin Field

vie. 1/30

7:25 pm-10:07 am

1 stop15h 42m

San Diego

lun. 2/2

4:01 pm-11:56 pm

1 stop6h 55m

$176

BozemanSan Diego

BZN - SAN

BZNSAN

Bozeman Gallatin Field

lun. 2/2

7:20 am-1:19 pm

1 stop6h 59m

San Diego

vie. 2/6

10:16 am-3:23 pm

1 stop4h 07m

$176

BozemanSan Diego

BZN - SAN

BZNSAN

Bozeman Gallatin Field

vie. 1/16

4:16 pm-10:37 pm

1 stop7h 21m

San Diego

lun. 1/19

6:15 am-12:03 pm

1 stop4h 48m

$177

BozemanSan Diego

BZN - SAN

BZNSAN

Bozeman Gallatin Field

mié. 4/22

3:40 pm-10:48 pm

1 stop8h 08m

San Diego

lun. 4/27

7:10 pm-12:46 am

1 stop4h 36m

$197

BozemanSan Diego

BZN - SAN

BZNSAN

Bozeman Gallatin Field

mié. 4/22

6:25 pm-11:42 pm

1 stop6h 17m

San Diego

sáb. 4/25

3:20 pm-10:24 pm

1 stop6h 04m

$197

BozemanSan Diego

BZN - SAN

BZNSAN

Bozeman Gallatin Field

lun. 1/5

3:00 pm-8:43 pm

1 stop6h 43m

San Diego

vie. 1/9

6:50 am-2:20 pm

1 stop6h 30m

$197

BozemanSan Diego

BZN - SAN

BZNSAN

Bozeman Gallatin Field

sáb. 1/10

10:35 am-5:55 pm

2 stops8h 20m

San Diego

mar. 1/13

4:20 pm-10:15 pm

1 stop4h 55m

$199

BozemanSan Diego

BZN - SAN

BZNSAN

Bozeman Gallatin Field

vie. 1/30

7:40 am-4:45 pm

2 stops10h 05m

San Diego

lun. 2/2

8:35 am-3:05 pm

1 stop5h 30m

$199

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

jue. 12/18

9:53 pm-12:38 pm

1 stop15h 45m

San Diego

vie. 1/2

7:21 pm-5:05 pm

1 stop20h 44m

$205

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 56 results
1
2
3
...
6

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, May is the cheapest month in which you can book a flight from Montana to San Diego (average of $110). Flying from Montana to San Diego in December is currently the most expensive (average of $185). 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 noviembre 13, 2025.

A simple way to save on the total cost of your ticket is to fly from Montana to San Diego in the evening. If you’re flexible enough to do this you can expect to save up to 24% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Montana to San Diego?

Use this chart to determine the cheapest time to fly round-trip from Montana to San Diego. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Montana to San Diego flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 Alaska Airlines, United Airlines, and Delta fly from Montana to San Diego in about 4h 45m. The time it takes to get you to your destination can typically vary by up to 10h 57m. Airlines will cover a distance of 993 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 Alaska Airlines. According to our data, you can fly for as low as $88. Users have also found prices from $120 and $175 on Delta and United 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, Billings Logan Intl - San Diego and Missoula Johnson-Bell Field - San Diego.

  • 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, May is the cheapest month in which you can book a flight from Montana to San Diego (average of $110). Flying from Montana to San Diego in December is currently the most expensive (average of $185). 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
National City

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 Montana to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Los Angeles flights
Newark to Los Angeles flights
John F Kennedy Intl to Las Vegas flights
Seattle to Los Angeles flights
Dallas/Fort Worth to Las Vegas flights
John F Kennedy Intl to San Francisco flights
Newark to Las Vegas flights
O'Hare Intl to Las Vegas flights
San Francisco to Las Vegas flights
Seattle to Las Vegas flights
Newark to San Francisco flights
Los Angeles to San Francisco flights
San Francisco to Los Angeles flights
LaGuardia to Los Angeles flights
Dallas/Fort Worth to Los Angeles flights
Ontario to San Francisco flights
San Francisco to Ontario flights
Boston to Los Angeles flights
Dulles Intl to Las Vegas flights
Los Angeles to Las Vegas flights
Seattle to San Francisco flights
Denver to Las Vegas flights
San Francisco to Santa Ana flights
LaGuardia to Las Vegas flights
Dallas/Fort Worth to San Francisco flights
O'Hare Intl to Los Angeles flights
Boston to Las Vegas flights
Dulles Intl to Los Angeles flights
Reagan-National to Los Angeles flights
Minneapolis to Las Vegas flights
Baltimore to Los Angeles flights
Burbank to Las Vegas flights
San Jose to Las Vegas flights
Seattle to Ontario flights
Hobby to Las Vegas flights
Orlando to Las Vegas flights
Baltimore to Las Vegas flights
Atlanta to Las Vegas flights
John F Kennedy Intl to San Diego flights
O'Hare Intl to San Francisco flights
Reagan-National to Las Vegas flights
LaGuardia to San Francisco flights
Los Angeles to San Jose flights
Santa Ana to San Francisco flights
Philadelphia to Las Vegas flights
Seattle to Santa Ana flights
Boston to San Francisco flights
Detroit to Las Vegas flights
Santa Ana to Las Vegas flights
San Jose to Los Angeles flights

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 noviembre 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$138Average$505FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$150Average$297FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$176Average$400FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$216Average$371FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$220Average$376FlexibilityNo cancel feeOn-time71%
DeltaCheapest$234Average$376FlexibilityNo cancel feeOn-timeN/A

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.