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

A quick flight from Great Falls to San Francisco can take about 5h 58m. Alaska Airlines provides one of the quickest options available for as low as $244. There are 880 mi between Great Falls and San Francisco. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

What is the cheapest time of day to fly from GTF to SFO?

When flying from Great Falls to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Great Falls-San Francisco flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Great Falls-San Francisco flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

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.

$244+ Flights from Great Falls to San Francisco

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1. Tell us where you want to go

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Cheap 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 December 25, 2025.

Wed 12/242:35 pmGTF - SFO

1 stop6h 19mUnited Airlines

Fri 12/266:30 amSFO - GTF

1 stop6h 09mUnited Airlines

Deal found 12/24

$898

Best flights from Great Falls to San Francisco
Discover carefully curated flight deals from Great Falls to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 25, 2025.

Tue 3/34:57 pmGTF - SFO

1 stop5h 58mAlaska Airlines

Wed 3/411:34 amSFO - GTF

1 stop5h 14mAlaska Airlines

Deal found 12/23

$244

Tue 4/211:09 pmGTF - SFO

1 stop6h 07mDelta

Sat 4/255:45 amSFO - GTF

1 stop5h 42mDelta

Deal found 12/24

$244

Tue 3/316:22 pmGTF - SFO

1 stop6h 29mDelta

Sun 4/55:40 amSFO - GTF

1 stop5h 44mDelta

Deal found 12/25

$249

Thu 4/306:20 pmGTF - SFO

1 stop6h 37mDelta

Tue 5/55:01 pmSFO - GTF

1 stop4h 47mDelta

Deal found 12/24

$249

Wed 4/11:05 pmGTF - SFO

2 stops11h 52mDelta

Sun 4/55:40 amSFO - GTF

1 stop5h 44mDelta

Deal found 12/25

$255

Last-minute flights from Great Falls to San Francisco
Discover last-minute flight deals from Great Falls to San Francisco. Data last updated December 25, 2025 and is based on user searches.

Wed 12/242:35 pmGTF - SFO

1 stop6h 19mUnited Airlines

Fri 12/266:30 amSFO - GTF

1 stop6h 09mUnited Airlines

Deal found 12/24

$898

Fri 1/95:59 pmGTF - SFO

1 stop4h 59mAlaska Airlines

Tue 1/134:03 pmSFO - GTF

2 stops24h 16mAlaska Airlines

Deal found 12/24

$493

Fri 1/92:29 pmGTF - SFO

1 stop6h 15mUnited Airlines

Tue 1/136:07 pmSFO - GTF

2 stops26h 46mUnited Airlines

Deal found 12/24

$523

Fri 1/91:15 pmGTF - SFO

2 stops9h 40mDelta

Tue 1/136:00 amSFO - GTF

2 stops10h 30mDelta

Deal found 12/24

$559

Find flight deals from Great Falls to San Francisco

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$228 (Alaska Airlines)
Popular in	January
Cheapest in	April
Average price	$406

Provider with most accurate pricing for Great Falls-San Francisco flight deals.

Search Deals

Provider most trusted by Cheapflights users for Great Falls-San Francisco flights.

Search Deals

From Great Falls to San Francisco

Search Deals

Highest demand for flights based on searches. 28% potential increase in price ($152 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 9% potential price decrease ($35 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Great Falls to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Great FallsSan Francisco

GTF - SFO

GTFSFO

Great Falls

Tue 3/3

4:57 pm-9:55 pm

1 stop5h 58m

San Francisco

Wed 3/4

11:34 am-5:48 pm

1 stop5h 14m

$244

Great FallsSan Francisco

GTF - SFO

GTFSFO

Great Falls

Tue 4/21

1:09 pm-6:16 pm

1 stop6h 07m

San Francisco

Sat 4/25

5:45 am-12:27 pm

1 stop5h 42m

$244

Great FallsSan Francisco

GTF - SFO

GTFSFO

Great Falls

Tue 3/31

6:22 pm-11:51 pm

1 stop6h 29m

San Francisco

Sun 4/5

5:40 am-12:24 pm

1 stop5h 44m

$249

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

$249

Great FallsSan Francisco

GTF - SFO

GTFSFO

Great Falls

Wed 4/1

1:05 pm-11:57 pm

2 stops11h 52m

San Francisco

Sun 4/5

5:40 am-12:24 pm

1 stop5h 44m

$255

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/23

Compare providers for flights from Great Falls to San Francisco

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 December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Great Falls-San Francisco flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 October is currently the most expensive (average of $291). 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

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

8,012 reviews

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

8,012 reviews

Delta

7.9

Good

8,012 reviews

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

How long is the flight from Great Falls to San Francisco?
A quick flight from Great Falls to San Francisco can take about 5h 58m. Alaska Airlines provides one of the quickest options available for as low as $244. There are 880 mi between Great Falls and San Francisco. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
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, 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 October is currently the most expensive (average of $291). 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

Roseville

South San Francisco

Santa Cruz

Livermore

Turlock

Manteca

Watsonville

Redwood City

Sunnyvale

San Bruno

Daly City

Santa Clara

San Carlos

Vallejo

Hollister

San Ramon

Foster City

Union City

Davis

Emeryville

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Great Falls to San Francisco

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$132	Average$318	FlexibilityNo cancel fee	On-timeN/A

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$244+ 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Great Falls to San Francisco with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Great Falls to San Francisco

Cheapest flights from Great Falls to San FranciscoExplore 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 December 25, 2025.

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 December 25, 2025.

Find flight deals from Great Falls to San Francisco

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Great Falls to San Francisco that are best for you.

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 December.

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.

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?

Reviews of airlines servicing San Francisco

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.

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?

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

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

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

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

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

Traveling to a place near San Francisco?

Browse thousands of different options on Cheapflights for your next trip

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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

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Travel Smart

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 December 25, 2025.