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$248+ Cheap flights from Great Falls to San Francisco (GTF - SFO)

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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — SFO
nov. 26 — dic. 31
mié. 11/26
mié. 12/3
1 adult, Economy
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Cheap flight deals from Great Falls to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Great Falls (GTF) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated octubre 27, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$248
(Delta)

Popular in

January

Cheapest in

April

Average price

$312
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
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Highest demand for flights based on searches. 24% potential increase in price ($124 potential increase over avg. RT price).
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Cheapest flight prices on average. 11% potential price decrease ($40 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

Cheapest flights from Great Falls to San Francisco
Explore the most affordable flight options available from Great Falls to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 27, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/25. 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. 11/1010:21 pmGTF - SFO
2 stops22h 49mMultiple Airlines
vie. 11/145:45 amSFO - GTF
1 stop14h 46mMultiple Airlines
Deal found 10/25$294
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/79:33 pmGTF - SFO
1 stop21h 16mMultiple Airlines
dom. 11/96:33 pmSFO - GTF
1 stop25h 58mMultiple Airlines
Deal found 10/26$322
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/262:52 pmGTF - SFO
2 stops30h 55mMultiple Airlines
dom. 11/306:00 amSFO - GTF
1 stop14h 35mMultiple Airlines
Deal found 10/26$482
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/65:35 pmGTF - SFO
2 stops22h 32mMultiple Airlines
dom. 11/96:33 pmSFO - GTF
1 stop25h 58mMultiple Airlines
Deal found 10/26$509
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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.
mar. 11/116:50 pmGTF - SFO
1 stop4h 51mAlaska Airlines
sáb. 11/1511:29 amSFO - GTF
1 stop5h 41mAlaska Airlines
Deal found 10/27$528
This Delta deal was found by Cheapflights users on 10/25. 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.
lun. 11/101:12 pmGTF - SFO
2 stops8h 14mDelta
vie. 11/146:00 amSFO - GTF
2 stops10h 30mDelta
Deal found 10/25$539
This Delta deal was found by Cheapflights users on 10/27. 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.
mar. 11/115:30 amGTF - SFO
2 stops7h 00mDelta
sáb. 11/156:00 amSFO - GTF
1 stop5h 32mDelta
Deal found 10/27$554
This Alaska Airlines deal was found by Cheapflights users on 10/24. 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.
sáb. 12/137:35 pmGTF - SFO
1 stop19h 28mAlaska Airlines
lun. 12/2212:56 pmSFO - GTF
1 stop4h 45mAlaska Airlines
Deal found 10/24$574

Cheapflights Fare Finder

 
Customize your flight search to find flights from Great Falls to San Francisco 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 octubre 27, 2025.
Use the filters below to find and compare flights from Great Falls to San Francisco that are best for you.

Fly from

Great Falls

Fly to

San Francisco

Route

Depart

Return

Price

Great FallsSan Francisco

GTF - SFO

GTFSFO

Great Falls

mar. 3/10

6:15 pm-11:57 pm

1 stop6h 42m

San Francisco

mié. 3/11

5:45 am-12:32 pm

1 stop5h 47m

$248

Great FallsSan Francisco

GTF - SFO

GTFSFO

Great Falls

vie. 2/6

8:00 pm-2:02 pm

1 stop19h 02m

San Francisco

lun. 2/9

7:40 pm-7:20 pm

1 stop22h 40m

$292

Great FallsSan Francisco

GTF - SFO

GTFSFO

Great Falls

lun. 11/10

10:21 pm-9:22 pm

1 stop24h 01m

San Francisco

vie. 11/14

5:45 am-9:31 pm

1 stop14h 46m

$300

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/24

Compare providers for flights from Great Falls to San Francisco

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Great Falls to San Francisco in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Great Falls-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Great Falls-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Great Falls-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Great Falls-San Francisco flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Great Falls-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Great Falls to San Francisco

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

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

Currently, September is the cheapest month in which you can book a flight from Great Falls to San Francisco (average of $129). Flying from Great Falls to San Francisco in January is currently the most expensive (average of $298). 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

Get insights into the airlines that provide service to San Francisco. 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. Reviews last updated octubre 27, 2025.
See what other customers who have flown with Delta from Great Falls to San Francisco have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,996 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.2

Crew

8.5

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
7,996 reviews
Delta
7.9
Good
7,996 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.2

Crew

8.5

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. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    A quick flight from Great Falls to San Francisco can take about 6h 42m. Delta provides one of the quickest options available for as low as $248. There are 880 mi between Great Falls and San Francisco.

  • What is the cheapest airline to fly from Great Falls to San Francisco round-trip?

    Our cheapest airline available from Great Falls to San Francisco is Delta. Our recent data shows that you can find tickets from as low as $132 on this airline. Delta is 65% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

    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.

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

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

    Currently, September is the cheapest month in which you can book a flight from Great Falls to San Francisco (average of $129). Flying from Great Falls to San Francisco in January is currently the most expensive (average of $298). 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 Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
South San Francisco
Santa Cruz
Livermore
Turlock
Watsonville
Sunnyvale
Santa Clara
Antioch
Manteca
Vallejo
Hollister
Vacaville
San Bruno
Foster City
Redwood City
Union City
Fairfield
Burlingame
Lodi

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Top airline flying from Great Falls to San Francisco

Discover the top airline that operate flights from Great Falls to San Francisco. 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 octubre 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$132Average$318FlexibilityNo cancel feeOn-timeN/A

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