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Big Sky

$90+ Cheap flights from San Francisco (SFO) to Big Sky, MT

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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BZN
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheapflights Tip: The best prices from San Francisco to Big Sky are usually found in January or October, booked 58 days in advance, depart on a Saturday or Tuesday and return on a Friday

Cheap flight deals from San Francisco to Big Sky

Cheapest flights from San Francisco to Big Sky
Explore the most affordable flight options available from San Francisco to Big Sky. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Expedia deal was found by Cheapflights users on 1/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/286:30 am
SFO
-
BZN
1 stop6h 38m
Alaska Airlines
Tue 3/31:48 pm
BZN
-
SFO
2 stops9h 07m
Alaska Airlines
Deal found 1/27$230
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/26:30 am
SFO
-
BZN
1 stop6h 38m
Alaska Airlines
Mon 3/97:00 am
BZN
-
SFO
1 stop17h 59m
Alaska Airlines
Deal found 1/27$235
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/71:35 pm
SFO
-
BZN
1 stop9h 22m
Alaska Airlines
Mon 4/137:26 pm
BZN
-
SFO
1 stop5h 33m
Alaska Airlines
Deal found 1/27$237
This Delta deal was found by Cheapflights users on 1/27. 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.
Sat 2/215:55 am
SFO
-
BZN
1 stop7h 25m
Delta
Sat 2/287:30 am
BZN
-
SFO
1 stop7h 18m
Delta
Deal found 1/27$243
This Delta deal was found by Cheapflights users on 1/28. 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.
Thu 4/235:40 am
SFO
-
BZN
1 stop4h 24m
Delta
Sun 4/265:30 am
BZN
-
SFO
1 stop4h 25m
Delta
Deal found 1/28$247
This Alaska Airlines deal was found by Cheapflights users on 1/26. 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 2/256:30 am
SFO
-
BZN
1 stop16h 26m
Alaska Airlines
Wed 3/41:48 pm
BZN
-
SFO
2 stops9h 07m
Alaska Airlines
Deal found 1/26$248
This Delta deal was found by Cheapflights users on 1/28. 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 2/175:05 pm
SFO
-
BZN
1 stop5h 10m
Delta
Wed 2/185:30 am
BZN
-
SFO
1 stop4h 28m
Delta
Deal found 1/28$257
This Alaska Airlines deal was found by Cheapflights users on 1/28. 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.
Mon 3/166:30 am
SFO
-
BZN
1 stop6h 38m
Alaska Airlines
Wed 3/187:00 am
BZN
-
SFO
2 stops11h 44m
Alaska Airlines
Deal found 1/28$262
This Delta deal was found by Cheapflights users on 1/29. 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.
Wed 3/255:40 am
SFO
-
BZN
1 stop4h 17m
Delta
Wed 3/256:30 pm
BZN
-
SFO
1 stop6h 29m
Delta
Deal found 1/29$267

Find flight deals from San Francisco to Big Sky

Keep the following information in mind while searching for San Francisco to Big Sky flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$230
(Expedia)

One-way from

$90
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$302
Provider with most accurate pricing for San Francisco-Bozeman Gallatin Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Bozeman Gallatin Field flights.
Search Deals
From San Francisco to Big Sky
Search Deals
One-way flight from San Francisco to Big Sky
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($12 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Big Sky 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 29, 2026.
Use the filters below to find and compare flights from San Francisco to Big Sky that are best for you.

Fly from

San Francisco

Fly to

Big Sky

Route

Depart

Return

Price

San FranciscoBozeman

SFO - BZN

SFOBZN

San Francisco

Fri 3/6

5:55 am-2:20 pm

1 stop7h 25m

Bozeman Gallatin Field

Tue 3/10

5:20 am-8:56 am

1 stop4h 36m

$230

San FranciscoBozeman

SFO - BZN

SFOBZN

San Francisco

Tue 2/17

5:05 pm-11:15 pm

1 stop5h 10m

Bozeman Gallatin Field

Wed 2/18

5:30 am-8:58 am

1 stop4h 28m

$257

San FranciscoBozeman

SFO - BZN

SFOBZN

San Francisco

Wed 3/25

5:40 am-10:57 am

1 stop4h 17m

Bozeman Gallatin Field

Wed 3/25

6:30 pm-11:59 pm

1 stop6h 29m

$267

San FranciscoBozeman

SFO - BZN

SFOBZN

San Francisco

Thu 2/26

6:30 am-11:56 pm

1 stop16h 26m

Bozeman Gallatin Field

Mon 3/2

3:02 pm-10:37 am

1 stop20h 35m

$283

San FranciscoBozeman

SFO - BZN

SFOBZN

San Francisco

Sat 2/21

8:47 pm-2:08 pm

1 stop16h 21m

Bozeman Gallatin Field

Wed 2/25

11:33 am-3:48 pm

1 stop5h 15m

$285

San FranciscoBozeman

SFO - BZN

SFOBZN

San Francisco

Thu 3/19

5:40 am-10:48 am

1 stop4h 08m

Bozeman Gallatin Field

Tue 3/24

6:30 pm-11:59 pm

1 stop6h 29m

$288

San FranciscoBozeman

SFO - BZN

SFOBZN

San Francisco

Tue 6/16

8:50 am-4:36 pm

1 stop6h 46m

Bozeman Gallatin Field

Tue 6/23

5:16 pm-11:03 pm

1 stop6h 47m

$297

San FranciscoBozeman

SFO - BZN

SFOBZN

San Francisco

Thu 4/9

6:30 am-2:10 pm

1 stop6h 40m

Bozeman Gallatin Field

Sun 4/12

1:50 pm-8:40 am

1 stop19h 50m

$300

San FranciscoBozeman

SFO - BZN

SFOBZN

San Francisco

Tue 7/7

11:15 am-2:35 pm

Nonstop2h 20m

Bozeman Gallatin Field

Tue 7/21

3:40 pm-9:28 pm

1 stop6h 48m

$307

San FranciscoBozeman

SFO - BZN

SFOBZN

San Francisco

Tue 6/30

5:20 pm-11:57 pm

1 stop5h 37m

Bozeman Gallatin Field

Thu 7/9

5:04 pm-6:38 pm

Nonstop2h 34m

$317

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 21 results
1
2
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Best time to book a flight from San Francisco to Big Sky

Have a flexible travel schedule? Discover the best time to fly to Big Sky from San Francisco 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 Francisco to Big Sky

How far ahead should I book a flight from San Francisco to Big Sky?

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Big Sky. Price data was last updated on January 23, 2026.

To ensure you get the cheapest price possible for a flight from San Francisco to Big Sky, you should look to book at least 58 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from San Francisco to Big Sky?

Currently, October is the cheapest month in which you can book a flight from San Francisco to Big Sky (average of $158). Flying from San Francisco to Big Sky in December is currently the most expensive (average of $277). 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 SFO to BS1?

Find hourly flight availability from San Francisco to Big Sky. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 29, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Francisco to Big Sky as you normally would.

Reviews of airlines servicing Big Sky

Get insights into the airlines that provide service to Big Sky. 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 Big Sky. Reviews last updated January 29, 2026.
Read reviews from past customers who have flown Alaska Airlines, Delta, and Hawaiian Airlines from San Francisco to Big Sky. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,807 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,807 reviews
Alaska Airlines
8.0
Very good
11,807 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,128 reviews
Alaska Airlines
8.0
Very good
11,807 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Hawaiian Airlines
7.8
Good
2,830 reviews
Alaska Airlines
8.0
Very good
11,807 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,215 reviews
Alaska Airlines
8.0
Very good
11,807 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
American Airlines
7.2
Good
11,205 reviews
Alaska Airlines
8.0
Very good
11,807 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Big Sky. 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 Francisco to Big Sky?

    If you book a flight to Big Sky from San Francisco, you will be flying from San Francisco, which is the city’s only airport. San Francisco (SFO) is located 11.8 mi from the center of San Francisco. There is 1 flight from San Francisco to Big Sky per day from 6 different airlines.

  • How popular is this San Francisco to Big Sky flight route?

    Within the past month, 2 users have taken a look at flights from San Francisco to Big Sky.

  • How long is the flight from San Francisco to Big Sky?

    A quick flight from San Francisco to Big Sky can take about 7h 25m. Delta provides one of the quickest options available for as low as $230. San Francisco and Big Sky are separated by a distance of 806 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from San Francisco to Big Sky one-way?

    $82 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on Delta and Hawaiian Airlines, with prices starting from $108 and $114, respectively.

  • What are the most reliable airlines from San Francisco to Big Sky?

    No one likes to see their flight delayed. When booking a flight from San Francisco to Big Sky consider choosing SkyWest Airlines (94%), Air New Zealand (75%) or United Airlines (62%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from San Francisco to Big Sky?

    On average you can expect to pay $346 for a flight from San Francisco to Big Sky. The cheapest flight overall is $143 while the most popular route, (San Francisco - Bozeman Gallatin Field) is currently priced at $197.

  • Can I find deals for flights from San Francisco to Big Sky that include hotel bookings?

    Yes. In addition to deals on San Francisco to Big Sky flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Big Sky?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Big Sky.

  • Can I find deals for business class flights from San Francisco to Big Sky?

    Yes. Cheapflights offers flight deals from San Francisco to Big Sky 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 Francisco to Big Sky?

    Currently, October is the cheapest month in which you can book a flight from San Francisco to Big Sky (average of $158). Flying from San Francisco to Big Sky in December is currently the most expensive (average of $277). 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

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Top 6 airlines flying from San Francisco to Big Sky

Discover the top 6 airlines that operate flights from San Francisco to Big Sky. 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 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$128Average$393FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$164Average$454FlexibilityNo cancel feeOn-time63%
DeltaCheapest$168Average$376FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$214Average$459FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$226Average$451FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$320Average$427FlexibilityNo cancel feeOn-time71%

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