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$89+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BZN
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheapflights Tip: The best prices from San Francisco to Big Sky are usually found in January or April, booked 80 days in advance, depart on a Saturday or Tuesday and return on a Thursday

Cheap 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 July 30, 2025.

Round-trip from

$243
(Delta)

One-way from

$89
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$434
From San Francisco to Big Sky
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One-way flight from San Francisco to Big Sky
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Highest demand for flights based on searches. 3% potential increase in price ($16 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 July 30, 2025.

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.
Wed 8/1310:55 amSFO - BZN
2 stops10h 31mDelta
Wed 8/205:30 amBZN - SFO
2 stops8h 21mDelta
Deal found 7/29$243
This American Airlines deal was found by Cheapflights users on 7/30. 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 9/58:00 amSFO - BZN
1 stop10h 17mAmerican Airlines
Mon 9/84:19 pmBZN - SFO
1 stop7h 56mAmerican Airlines
Deal found 7/30$244
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 8/276:00 amSFO - BZN
1 stop7h 14mAlaska Airlines
Wed 9/31:54 pmBZN - SFO
1 stop6h 51mAlaska Airlines
Deal found 7/29$246
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/142:20 pmSFO - BZN
1 stop7h 15mSouthwest
Sat 8/168:30 amBZN - SFO
1 stop6h 15mSouthwest
Deal found 7/29$249
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2011:45 amSFO - BZN
Nonstop2h 16mUnited Airlines
Wed 8/274:00 pmBZN - SFO
Nonstop2h 30mUnited Airlines
Deal found 7/28$252
This Hawaiian 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1612:04 pmSFO - BZN
Nonstop2h 16mHawaiian Airlines
Tue 8/197:25 pmBZN - SFO
1 stop5h 34mHawaiian Airlines
Deal found 7/29$269

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 July 30, 2025.
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

Wed 8/13

10:55 am-10:26 pm

2 stops10h 31m

Bozeman Gallatin Field

Wed 8/20

5:30 am-12:51 pm

2 stops8h 21m

$243

San FranciscoBozeman

SFO - BZN

SFOBZN

San Francisco

Fri 9/5

8:00 am-7:17 pm

1 stop10h 17m

Bozeman Gallatin Field

Mon 9/8

4:19 pm-11:15 pm

1 stop7h 56m

$244

San FranciscoBozeman

SFO - BZN

SFOBZN

San Francisco

Wed 8/27

6:00 am-2:14 pm

1 stop7h 14m

Bozeman Gallatin Field

Wed 9/3

1:54 pm-7:45 pm

1 stop6h 51m

$246

San FranciscoBozeman

SFO - BZN

SFOBZN

San Francisco

Thu 8/14

2:20 pm-10:35 pm

1 stop7h 15m

Bozeman Gallatin Field

Sat 8/16

8:30 am-1:45 pm

1 stop6h 15m

$249

San FranciscoBozeman

SFO - BZN

SFOBZN

San Francisco

Wed 8/20

11:45 am-3:01 pm

Nonstop2h 16m

Bozeman Gallatin Field

Wed 8/27

4:00 pm-5:30 pm

Nonstop2h 30m

$252

San FranciscoBozeman

SFO - BZN

SFOBZN

San Francisco

Sat 8/16

12:04 pm-3:20 pm

Nonstop2h 16m

Bozeman Gallatin Field

Tue 8/19

7:25 pm-11:59 pm

1 stop5h 34m

$269

San FranciscoBozeman

SFO - BZN

SFOBZN

San Francisco

Tue 8/26

11:45 am-3:01 pm

Nonstop2h 16m

$89

San FranciscoBozeman

SFO - BZN

SFOBZN

San Francisco

Tue 8/26

8:00 am-2:14 pm

1 stop5h 14m

$98

San FranciscoBozeman

SFO - BZN

SFOBZN

San Francisco

Sat 9/20

8:00 am-7:17 pm

1 stop10h 17m

$106

San FranciscoBozeman

SFO - BZN

SFOBZN

San Francisco

Thu 8/21

3:40 pm-11:30 pm

1 stop6h 50m

$109

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 13 results
1
2

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 July 25, 2025.

To ensure you get the cheapest price possible for a flight from San Francisco to Big Sky, you should look to book at least 80 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 $371). Flying from San Francisco to Big Sky 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 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 July 30, 2025.

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.

What is the cheapest day to fly from San Francisco to Big Sky?

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

Travelers seeking maximum savings on their San Francisco to Big Sky flight should consider departing on Tuesday at noon when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from San Francisco to Big Sky

Explore weekly flight availability from San Francisco to Big Sky. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 30, 2025.

The most flights from SFO to BS1 are scheduled on a Monday (5 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (2 on average).

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 July 30, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta 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
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

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

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

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
4,241 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

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
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

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
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

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

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

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 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 are 3 flights 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, 1 users have taken a look at flights from San Francisco to Big Sky.

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

    $89 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Alaska Airlines and American Airlines, with prices starting from $98 and $106, 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 (100%), United Airlines (89%) or Air New Zealand (80%) 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 $504 for a flight from San Francisco to Big Sky. The cheapest flight overall is $178 while the most popular route, (San Francisco - Bozeman Gallatin Field) is currently priced at $157.

  • 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 $371). Flying from San Francisco to Big Sky 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

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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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$214Average$463FlexibilityNo cancel feeOn-time69%
DeltaCheapest$214Average$414FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$218Average$452FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$228Average$408FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$256Average$405FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$267Average$427FlexibilityNo cancel feeOn-time71%

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