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$233+ Cheap flights from Great Falls (GTF) to San Francisco Bay Area

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — SFO
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
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 January 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$233
(Alaska Airlines)

Popular in

January

Cheapest in

April

Average price

$772
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. 34% potential increase in price ($220 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 8, 2026.

This Alaska Airlines deal was found by Cheapflights users on 1/7. 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 1/285:59 pmGTF - OAK
1 stop27h 41mAlaska Airlines
Sat 1/3111:08 amOAK - GTF
1 stop5h 11mAlaska Airlines
Deal found 1/7$233
This Alaska Airlines deal was found by Cheapflights users on 1/7. 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 2/274:57 pmGTF - SFO
1 stop6h 59mAlaska Airlines
Tue 3/38:42 amSFO - GTF
1 stop6h 35mAlaska Airlines
Deal found 1/7$244
This Delta deal was found by Cheapflights users on 1/8. 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 4/306:20 pmGTF - SFO
1 stop6h 37mDelta
Tue 5/510:34 amSFO - GTF
2 stops11h 14mDelta
Deal found 1/8$249
This Delta deal was found by Cheapflights users on 1/7. 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 2/271:15 pmGTF - SFO
2 stops10h 26mDelta
Sun 3/19:55 amSFO - GTF
1 stop6h 38mDelta
Deal found 1/7$250
This Trip.com deal was found by Cheapflights users on 1/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/204:57 pmGTF - SFO
1 stop6h 59mAlaska Airlines
Fri 2/278:42 amSFO - GTF
1 stop6h 35mAlaska Airlines
Deal found 1/6$283
This Delta deal was found by Cheapflights users on 1/7. 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 7/211:10 pmGTF - SJC
1 stop4h 06mDelta
Mon 7/275:00 pmSJC - GTF
1 stop4h 44mDelta
Deal found 1/7$303
This Delta deal was found by Cheapflights users on 1/7. 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 2/136:20 pmGTF - SJC
1 stop6h 39mDelta
Tue 2/174:59 pmSJC - GTF
1 stop4h 30mDelta
Deal found 1/7$316
This Alaska Airlines deal was found by Cheapflights users on 1/7. 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 2/134:57 pmGTF - SJC
2 stops18h 57mAlaska Airlines
Tue 2/178:05 pmSJC - GTF
2 stops20h 43mAlaska Airlines
Deal found 1/7$403
This Alaska Airlines deal was found by Cheapflights users on 1/6. 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.
Thu 1/225:59 pmGTF - OAK
1 stop27h 41mAlaska Airlines
Mon 1/265:17 pmOAK - GTF
1 stop23h 02mAlaska Airlines
Deal found 1/6$416
This Alaska Airlines deal was found by Cheapflights users on 1/6. 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.
Sat 1/175:59 pmGTF - SJC
1 stop20h 01mAlaska Airlines
Tue 1/2011:00 amSJC - GTF
1 stop5h 19mAlaska Airlines
Deal found 1/6$734

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 January 8, 2026.
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 FallsOakland

GTF - OAK

GTFOAK

Great Falls

Wed 1/28

5:59 pm-8:40 pm

1 stop27h 41m

Oakland

Sat 1/31

8:10 am-5:19 pm

1 stop8h 09m

$233

Great FallsSan Francisco

GTF - SFO

GTFSFO

Great Falls

Thu 4/30

6:20 pm-11:57 pm

1 stop6h 37m

San Francisco

Tue 5/5

5:01 pm-10:48 pm

1 stop4h 47m

$244

Great FallsSan Francisco

GTF - SFO

GTFSFO

Great Falls

Fri 2/27

1:15 pm-6:19 pm

1 stop6h 04m

San Francisco

Sun 3/1

9:55 am-5:33 pm

1 stop6h 38m

$244

Great FallsSan Francisco

GTF - SFO

GTFSFO

Great Falls

Fri 2/27

4:57 pm-10:56 pm

1 stop6h 59m

San Francisco

Tue 3/3

8:42 am-4:17 pm

1 stop6h 35m

$244

Great FallsSan Jose

GTF - SJC

GTFSJC

Great Falls

Fri 2/13

6:20 pm-11:59 pm

1 stop6h 39m

San Jose

Tue 2/17

4:59 pm-10:29 pm

1 stop4h 30m

$316

Great FallsSan Jose

GTF - SJC

GTFSJC

Great Falls

Fri 2/13

4:57 pm-10:54 am

2 stops18h 57m

San Jose

Tue 2/17

8:05 pm-5:48 pm

2 stops20h 43m

$403

Great FallsOakland

GTF - OAK

GTFOAK

Great Falls

Thu 1/22

5:59 pm-8:40 pm

1 stop27h 41m

Oakland

Mon 1/26

5:17 pm-5:19 pm

1 stop23h 02m

$416

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

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, September is the cheapest month in which you can book a flight from Great Falls to San Francisco Bay Area (average of $129). Flying from Great Falls to San Francisco Bay Area in February is currently the most expensive (average of $319). 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 January 8, 2026.
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
7.9
Good
8,025 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

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
7.9
Good
8,025 reviews
Delta
7.9
Good
8,025 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

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 6h 37m. Alaska Airlines provides one of the quickest options available for as low as $244. 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, September is the cheapest month in which you can book a flight from Great Falls to San Francisco Bay Area (average of $129). Flying from Great Falls to San Francisco Bay Area in February is currently the most expensive (average of $319). 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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$132Average$328FlexibilityNo cancel feeOn-timeN/A

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