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

A quick flight from Great Falls to San Francisco can take about 6h 32m. Alaska Airlines provides one of the quickest options available for as low as $362. 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 $245 on this airline. Delta is 46% 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 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.

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.

$362+ Cheap Flights from Great Falls to San Francisco

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Cheap flight deals from Great Falls to San Francisco

Cheapest

Best

Last-minute

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 October 19, 2026.

Mon 11/95:30 am -

1 stop7h 52m

Mon 11/235:50 am -

1 stop5h 51m

Deal found 10/14

$378

Thu 11/196:19 pm -

1 stop5h 10m

Fri 11/275:50 am -

1 stop5h 51m

Deal found 10/19

$388

Tue 11/101:21 pm -

2 stops7h 56m

Tue 11/172:47 pm -

2 stops6h 43m

Deal found 10/17

$399

Fri 10/306:27 pm -

1 stop6h 29m

Tue 11/35:13 pm -

1 stop4h 17m

Deal found 10/14

$408

Sat 10/315:40 am -

1 stop4h 13m

Wed 11/49:46 am -

1 stop7h 01m

Deal found 10/15

$418

Thu 11/195:10 pm -

1 stop6h 35m

Mon 11/308:33 pm -

1 stop18h 38m

Deal found 10/18

$460

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 October 19, 2026.

Sat 1/234:08 pm -

1 stop6h 32m

Tue 1/269:25 am -

1 stop5h 03m

Deal found 10/14

$362

Mon 11/95:30 am -

1 stop7h 52m

Mon 11/235:50 am -

1 stop5h 51m

Deal found 10/14

$378

Tue 11/106:19 pm -

1 stop6h 40m

Tue 11/175:19 pm -

1 stop4h 11m

Deal found 10/17

$388

Fri 10/306:27 pm -

1 stop6h 29m

Tue 11/35:13 pm -

1 stop4h 17m

Deal found 10/14

$408

Sat 10/315:40 am -

1 stop4h 13m

Wed 11/49:46 am -

1 stop7h 01m

Deal found 10/15

$418

Last-minute flights from Great Falls to San Francisco
Discover last-minute flight deals from Great Falls to San Francisco. Data last updated October 19, 2026 and is based on user searches.

Fri 10/306:27 pm -

1 stop6h 29m

Tue 11/35:13 pm -

1 stop4h 17m

Deal found 10/14

$408

Sat 10/315:40 am -

1 stop4h 13m

Wed 11/49:46 am -

1 stop7h 01m

Deal found 10/15

$418

Mon 11/95:30 am -

1 stop7h 52m

Mon 11/235:50 am -

1 stop5h 51m

Deal found 10/14

$378

Tue 11/101:21 pm -

2 stops7h 56m

Tue 11/172:47 pm -

2 stops6h 43m

Deal found 10/17

$399

Thu 11/196:19 pm -

1 stop5h 10m

Fri 11/275:50 am -

1 stop5h 51m

Deal found 10/19

$388

Thu 11/195:10 pm -

1 stop6h 35m

Mon 11/308:33 pm -

1 stop18h 38m

Deal found 10/18

$460

Find flight deals from Great Falls to San Francisco

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$362 (Alaska Airlines)
Popular in	July
Cheapest in	March
Average price	$348

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. 30% potential increase in price ($202 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 10% potential price decrease ($46 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2026

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

Cheapest round-trip

Great FallsSan Francisco

GTF Great Falls - SFO San Francisco

GTFSFO

Great Falls

Sat 1/23

4:08 pm-9:40 pm

1 stop6h 32m

San Francisco

Tue 1/26

9:25 am-3:28 pm

1 stop5h 03m

$362

Great FallsSan Francisco

GTF Great Falls - SFO San Francisco

GTFSFO

Great Falls

Mon 11/9

5:30 am-12:22 pm

1 stop7h 52m

San Francisco

Mon 11/23

5:50 am-12:41 pm

1 stop5h 51m

$378

Great FallsSan Francisco

GTF Great Falls - SFO San Francisco

GTFSFO

Great Falls

Tue 11/10

6:19 pm-11:59 pm

1 stop6h 40m

San Francisco

Tue 11/17

5:19 pm-10:30 pm

1 stop4h 11m

$388

Quickest round-trip

Great FallsSan Francisco

GTF Great Falls - SFO San Francisco

GTFSFO

Great Falls

Fri 10/30

6:27 pm-11:56 pm

1 stop6h 29m

San Francisco

Tue 11/3

5:13 pm-10:30 pm

1 stop4h 17m

$408

Great FallsSan Francisco

GTF Great Falls - SFO San Francisco

GTFSFO

Great Falls

Sat 10/31

5:40 am-8:53 am

1 stop4h 13m

San Francisco

Wed 11/4

9:46 am-5:47 pm

1 stop7h 01m

$418

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

Sorted by cheapest first

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 October.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust 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.

GTF-SFO

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

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

Airfare is typical for this route at the moment.

Great Falls to San Francisco flights typically cost between $348 and $378 in January.
The cheapest round-trip price found within the last 5 days was $362 on Alaska Airlines (Jan 23-Jan 26).

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

7.8

Good

8,651 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

7.8

Good

8,651 reviews

Delta

7.8

Good

8,651 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 6h 32m. Alaska Airlines provides one of the quickest options available for as low as $362. 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 $245 on this airline. Delta is 46% 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.

See more FAQs

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Top airline flying from Great Falls to San Francisco

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$245	Average$393	FlexibilityNo cancel fee	On-timeN/A

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$362+ 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 1/23. 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 October 19, 2026.

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 October 19, 2026.

Best flights from Great Falls to San FranciscoDiscover 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 October 19, 2026.

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 October 19, 2026.

Last-minute flights from Great Falls to San FranciscoDiscover last-minute flight deals from Great Falls to San Francisco. Data last updated October 19, 2026 and is based on user searches.

Discover last-minute flight deals from Great Falls to San Francisco. Data last updated October 19, 2026 and is based on user searches.

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 October.

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

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

Airfare is typical for this route at the moment.

Great Falls to San Francisco flights typically cost between $348 and $378 in January.The cheapest round-trip price found within the last 5 days was $362 on Alaska Airlines (Jan 23-Jan 26).

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

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?

Traveling to a place near San Francisco?

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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.

Complete your trip

Complete your trip to San Francisco by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Great Falls to San Francisco by cabin class

Find flights from Great Falls to San Francisco, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Great Falls and San Francisco flights

Browse other Great Falls and San Francisco flight options. Last updated on October 19, 2026.

Other flights from Great Falls

Browse through other flights departing from Great Falls. Flights are based on user searches made on Cheapflights and were last updated on October 19, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Other flights to San Francisco

Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 19, 2026.

Top airline flying from Great Falls to San Francisco

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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 October 19, 2026.

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 October 19, 2026.

Last-minute flights from Great Falls to San Francisco
Discover last-minute flight deals from Great Falls to San Francisco. Data last updated October 19, 2026 and is based on user searches.

Great Falls to San Francisco flights typically cost between $348 and $378 in January.
The cheapest round-trip price found within the last 5 days was $362 on Alaska Airlines (Jan 23-Jan 26).