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$264+ Cheap flights from Great Falls (GTF) to San Francisco Bay Area

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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — SFO
Nov 1 — Nov 81
Sat 11/1
Sat 11/8
1 adult, Economy
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Cheap flight deals from Great Falls to San Francisco Bay Area

Keep the following information in mind while searching for Great Falls to San Francisco Bay Area flight deals. Data was last updated October 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$253
(Delta)

Popular in

January

Cheapest in

April

Average price

$458
Provider with most accurate pricing for Great Falls-San Francisco flight deals.
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Provider most trusted by Cheapflights users for Great Falls-San Francisco flights.
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From Great Falls to San Francisco Bay Area
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Highest demand for flights based on searches. 22% potential increase in price ($111 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Great Falls to San Francisco Bay Area

Cheapest flights from Great Falls to San Francisco Bay Area
Explore the most affordable flight options available from Great Falls to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 2, 2025.

This Delta deal was found by Cheapflights users on 9/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/266:09 pmGTF - SFO
1 stop6h 34mDelta
Thu 10/305:50 amSFO - GTF
2 stops10h 39mDelta
Deal found 9/30$301
This Delta deal was found by Cheapflights users on 9/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/156:09 pmGTF - OAK
1 stop6h 44mDelta
Tue 10/214:51 pmOAK - GTF
1 stop5h 15mDelta
Deal found 9/30$437
This Alaska Airlines deal was found by Cheapflights users on 9/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/266:50 pmGTF - SFO
2 stops23h 32mAlaska Airlines
Thu 10/309:49 pmSFO - GTF
2 stops19h 21mAlaska Airlines
Deal found 9/30$449
This United Airlines deal was found by Cheapflights users on 9/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/162:31 pmGTF - SFO
1 stop7h 23mUnited Airlines
Mon 10/205:05 amSFO - GTF
1 stop7h 21mUnited Airlines
Deal found 9/30$528
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/310:27 pmGTF - SFO
1 stop15h 48mMultiple Airlines
Sun 10/510:37 pmSFO - GTF
1 stop21h 55mMultiple Airlines
Deal found 9/29$531
This Delta deal was found by Cheapflights users on 10/2. 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 10/176:09 pmGTF - SFO
1 stop6h 34mDelta
Tue 10/218:20 amSFO - GTF
2 stops8h 09mDelta
Deal found 10/2$534
This United Airlines deal was found by Cheapflights users on 10/2. 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.
Fri 10/177:00 amGTF - SJC
1 stop7h 40mUnited Airlines
Tue 10/2112:30 pmSJC - GTF
1 stop7h 41mUnited Airlines
Deal found 10/2$562
This Alaska Airlines deal was found by Cheapflights users on 10/2. 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.
Fri 10/176:15 pmGTF - OAK
1 stop6h 48mAlaska Airlines
Tue 10/216:40 amOAK - GTF
1 stop9h 55mAlaska Airlines
Deal found 10/2$573
This Alaska Airlines deal was found by Cheapflights users on 10/2. 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.
Fri 10/176:15 pmGTF - SJC
2 stops26h 01mAlaska Airlines
Tue 10/2110:29 amSJC - GTF
1 stop6h 06mAlaska Airlines
Deal found 10/2$621
This Alaska Airlines deal was found by Cheapflights users on 9/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/156:15 pmGTF - OAK
2 stops15h 30mAlaska Airlines
Tue 10/216:40 amOAK - GTF
1 stop9h 55mAlaska Airlines
Deal found 9/30$709
This United Airlines deal was found by Cheapflights users on 9/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/32:31 pmGTF - SFO
2 stops30h 39mUnited Airlines
Sun 10/59:30 pmSFO - GTF
2 stops14h 56mUnited Airlines
Deal found 9/29$845

Cheapflights Fare Finder

 
Customize your flight search to find flights from Great Falls to San Francisco Bay Area 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 October 2, 2025.
Use the filters below to find and compare flights from Great Falls to San Francisco Bay Area that are best for you.

Fly from

Great Falls

Fly to

San Francisco Bay Area

Route

Depart

Return

Price

Great FallsSan Jose

GTF - SJC

GTFSJC

Great Falls

Sat 1/17

8:00 pm-9:48 am

1 stop14h 48m

San Jose

Fri 1/23

11:00 am-7:20 pm

1 stop7h 20m

$267

Great FallsSan Jose

GTF - SJC

GTFSJC

Great Falls

Sat 1/17

1:10 pm-10:11 pm

2 stops10h 01m

San Jose

Fri 1/23

10:10 am-5:44 pm

1 stop6h 34m

$268

Great FallsSan Francisco

GTF - SFO

GTFSFO

Great Falls

Sun 10/26

6:09 pm-11:43 pm

1 stop6h 34m

San Francisco

Thu 10/30

5:50 am-5:29 pm

2 stops10h 39m

$301

Great FallsSan Francisco

GTF - SFO

GTFSFO

Great Falls

Tue 3/10

6:15 pm-11:57 pm

1 stop6h 42m

San Francisco

Wed 3/11

10:10 am-5:44 pm

1 stop6h 34m

$338

Great FallsSan Jose

GTF - SJC

GTFSJC

Great Falls

Sat 3/7

4:00 pm-10:03 pm

1 stop7h 03m

San Jose

Tue 3/10

8:10 am-3:20 pm

1 stop6h 10m

$346

Great FallsOakland

GTF - OAK

GTFOAK

Great Falls

Tue 3/10

6:15 pm-11:53 pm

1 stop6h 38m

Oakland

Wed 3/11

5:55 am-12:32 pm

1 stop5h 37m

$348

Great FallsSan Jose

GTF - SJC

GTFSJC

Great Falls

Sat 3/7

4:00 pm-10:03 pm

1 stop7h 03m

San Jose

Tue 3/10

6:15 am-3:20 pm

2 stops8h 05m

$420

Great FallsOakland

GTF - OAK

GTFOAK

Great Falls

Wed 10/15

6:09 pm-11:53 pm

1 stop6h 44m

Oakland

Tue 10/21

4:51 pm-11:06 pm

1 stop5h 15m

$437

Great FallsSan Francisco

GTF - SFO

GTFSFO

Great Falls

Sun 10/26

6:50 pm-5:22 pm

2 stops23h 32m

San Francisco

Thu 10/30

9:49 pm-6:10 pm

2 stops19h 21m

$449

Great FallsOakland

GTF - OAK

GTFOAK

Great Falls

Tue 3/10

4:00 pm-11:38 pm

1 stop8h 38m

Oakland

Wed 3/11

8:00 am-3:20 pm

2 stops6h 20m

$529

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/30

Showing 1-10 of 18 results
1
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Best time to book a flight from Great Falls to San Francisco Bay Area

Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area from Great Falls 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 Great Falls to San Francisco Bay Area

What is the cheapest month to book a flight from Great Falls to San Francisco Bay Area?

Currently, January is the cheapest month in which you can book a flight from Great Falls to San Francisco Bay Area (average of $276). Flying from Great Falls to San Francisco Bay Area in June is currently the most expensive (average of $357). 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.

Reviews of airlines servicing San Francisco Bay Area

Get insights into the airlines that provide service to San Francisco Bay Area. 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 San Francisco Bay Area. Reviews last updated October 2, 2025.
Peruse reviews from past customers who have flown with Delta from Great Falls to San Francisco Bay Area to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,962 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,962 reviews
Delta
8.0
Very good
7,962 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Great Falls to San Francisco Bay Area. 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 Great Falls to San Francisco Bay Area?

    Great Falls (GTF) is the airport you will fly out of if you book a flight from Great Falls to San Francisco Bay Area. It is only a 3.5 mi journey to Great Falls (GTF) from Great Falls’s city center.

  • How long is the flight from Great Falls to San Francisco Bay Area?

    A quick flight from Great Falls to San Francisco Bay Area can take about 10h 01m. Alaska Airlines provides one of the quickest options available for as low as $268. The distance from Great Falls to San Francisco Bay Area is about 880 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Great Falls to San Francisco Bay Area?

    The most popular flight routes from Great Falls to San Francisco Bay Area are Great Falls - San Francisco, Great Falls - San Jose and Great Falls - Oakland.

  • Can I find deals for flights from Great Falls to San Francisco Bay Area that include hotel bookings?

    Yes. In addition to deals on Great Falls to San Francisco Bay Area flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Great Falls to San Francisco Bay Area?

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

  • Can I find deals for business class flights from Great Falls to San Francisco Bay Area?

    Yes. Cheapflights offers flight deals from Great Falls to San Francisco Bay Area 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 Great Falls to San Francisco Bay Area?

    Currently, January is the cheapest month in which you can book a flight from Great Falls to San Francisco Bay Area (average of $276). Flying from Great Falls to San Francisco Bay Area in June is currently the most expensive (average of $357). 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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Alternative routes for Great Falls to San Francisco Bay Area

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Top airline flying from Great Falls to San Francisco Bay Area

Discover the top airline that operate flights from Great Falls to San Francisco Bay Area. 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 October 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$132Average$328FlexibilityNo cancel feeOn-timeN/A

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