San Francisco

$169+ Cheap flights from Great Falls to San Francisco (GTF - SFO)

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 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — SFO
Oct 16 — Oct 231
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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 September 16, 2025.

Round-trip from

$325
(Delta)

One-way from

$169
(Delta)

Popular in

January

Cheapest in

April

Average price

$249
From Great Falls to San Francisco
One-way flight from Great Falls to San Francisco
Highest demand for flights based on searches. 22% potential increase in price ($111 potential increase over avg. RT price).
Cheapest flight prices on average. 10% potential price decrease ($38 potential savings vs. average RT price).
Average for round-trip flights in September 2025

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 September 16, 2025.

This Delta deal was found by Cheapflights users on 9/15. 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 11/146:10 pmGTF - SFO
1 stop6h 45mDelta
Sun 11/166:00 amSFO - GTF
1 stop5h 32mDelta
Deal found 9/15$325
This Delta deal was found by Cheapflights users on 9/13. 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 11/56:09 pmGTF - SFO
1 stop5h 01mDelta
Sun 11/96:00 amSFO - GTF
2 stops10h 30mDelta
Deal found 9/13$331
This Delta deal was found by Cheapflights users on 9/14. 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 10/106:09 pmGTF - SFO
1 stop6h 34mDelta
Sun 10/125:30 amSFO - GTF
1 stop5h 58mDelta
Deal found 9/14$388
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 11/146:50 pmGTF - SFO
2 stops25h 57mAlaska Airlines
Sun 11/168:00 amSFO - GTF
2 stops9h 10mAlaska Airlines
Deal found 9/15$478
This Delta deal was found by Cheapflights users on 9/15. 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 9/306:11 pmGTF - SFO
1 stop4h 34mDelta
Sat 10/45:35 amSFO - GTF
1 stop5h 50mDelta
Deal found 9/15$528
This United Airlines deal was found by Cheapflights users on 9/15. 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 9/252:31 pmGTF - SFO
1 stop21h 46mUnited Airlines
Mon 9/295:05 amSFO - GTF
1 stop7h 21mUnited Airlines
Deal found 9/15$654

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 September 16, 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

Fri 11/14

6:10 pm-11:55 pm

1 stop6h 45m

San Francisco

Sun 11/16

6:00 am-12:32 pm

1 stop5h 32m

$325

Great FallsSan Francisco

GTF - SFO

GTFSFO

Great Falls

Wed 11/5

6:09 pm-10:10 pm

1 stop5h 01m

San Francisco

Sun 11/9

6:00 am-5:30 pm

2 stops10h 30m

$331

Great FallsSan Francisco

GTF - SFO

GTFSFO

Great Falls

Tue 3/10

1:10 pm-6:42 pm

1 stop6h 32m

San Francisco

Wed 3/11

5:45 am-12:32 pm

1 stop5h 47m

$338

Great FallsSan Francisco

GTF - SFO

GTFSFO

Great Falls

Tue 11/25

6:10 pm-11:55 pm

1 stop6h 45m

$169

Great FallsSan Francisco

GTF - SFO

GTFSFO

Great Falls

Fri 10/10

6:09 pm-11:43 pm

1 stop6h 34m

$194

Great FallsSan Francisco

GTF - SFO

GTFSFO

Great Falls

Fri 10/10

6:15 pm-11:51 am

2 stops18h 36m

$197

Great FallsSan Francisco

GTF - SFO

GTFSFO

Great Falls

Fri 10/10

10:27 pm-5:20 pm

3 stops43h 53m

$387

Great FallsSan Francisco

GTF - SFO

GTFSFO

Great Falls

Sat 11/29

6:10 pm-11:55 pm

1 stop6h 45m

$504

Great FallsSan Francisco

GTF - SFO

GTFSFO

Great Falls

Sat 11/29

3:44 pm-9:03 pm

3 stops54h 19m

$594

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

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, January is the cheapest month in which you can book a flight from Great Falls to San Francisco (average of $276). Flying from Great Falls to San Francisco 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.

How much does it cost to fly round-trip from Great Falls to San Francisco?

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 September 16, 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.
8.0
Very good

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

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
8.0
Very good
8.0
Very good

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

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. 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 45m. Delta provides one of the quickest options available for as low as $325. 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 66% 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, January is the cheapest month in which you can book a flight from Great Falls to San Francisco (average of $276). Flying from Great Falls to San Francisco 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

Traveling to a place near San Francisco?

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

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Alternative routes for Great Falls to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.

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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$132Average$318FlexibilityNo cancel feeOn-timeN/A

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