What are the cheapest airlines flying 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 $234 on this airline. An additional option worth looking into is Alaska Airlines, starting at $252. Delta is 39% cheaper than the average price of flights available within the next 90 days to this destination.

What is the cheapest day to fly from Great Falls to San Francisco?

Travelers seeking maximum savings on their Great Falls to San Francisco flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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

It’s generally more expensive to depart on a Tuesday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

What is the cheapest month to fly from Great Falls to San Francisco?

April can be a great time to fly to San Francisco from Great Falls with a flight ticket averaging about $388. Cheapflights users have found deals in the month of April for as cheap as $215. The most expensive prices can be found in the month of January.

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

It’s optimal to fly from Great Falls to San Francisco at noon. By choosing this option you can save up to 11% on the cost of your flight, compared to a flight in the morning.

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.

$234+ Flights from Great Falls to San Francisco

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Cheap flight deals from Great Falls to San Francisco

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$234 (Hawaiian Airlines)
Popular in	January
Cheapest in	April
Average price	$238

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. 22% potential increase in price ($114 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 10% potential price decrease ($39 potential savings vs. average RT price).

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Average for round-trip flights in April 2025

Search Deals

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 abril 11, 2025.

sex 5/26:35 pmGTF - SFO

1 stop6h 33mDelta

ter 5/65:55 amSFO - GTF

1 stop4h 19mDelta

Deal found 4/8

$234

qui 5/295:09 pmGTF - SFO

1 stop5h 14mAlaska Airlines

ter 6/36:00 amSFO - GTF

2 stops9h 29mAlaska Airlines

Deal found 4/10

$252

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 abril 11, 2025.

qui 5/295:09 pmGTF - SFO

1 stop7h 35mHawaiian Airlines

ter 6/39:25 amSFO - GTF

1 stop6h 04mHawaiian Airlines

Deal found 4/10

$234

qui 5/225:45 amGTF - SFO

1 stop4h 11mDelta

seg 5/266:05 amSFO - GTF

2 stops10h 31mDelta

Deal found 4/11

$240

qui 5/295:09 pmGTF - SFO

1 stop5h 14mAlaska Airlines

ter 6/36:00 amSFO - GTF

2 stops9h 29mAlaska Airlines

Deal found 4/10

$252

Last-minute flights from Great Falls to San Francisco
Discover last-minute flight deals from Great Falls to San Francisco. Data last updated abril 11, 2025 and is based on user searches.

sex 5/26:35 pmGTF - SFO

1 stop6h 33mDelta

ter 5/65:55 amSFO - GTF

1 stop4h 19mDelta

Deal found 4/8

$234

qui 5/295:09 pmGTF - SFO

1 stop5h 14mAlaska Airlines

ter 6/36:00 amSFO - GTF

2 stops9h 29mAlaska Airlines

Deal found 4/10

$252

One-way flights from Great Falls to San Francisco
Search for one-way flight options from Great Falls to San Francisco. Find affordable one-way fares based on user searches. Data last updated abril 11, 2025.

qua 4/165:50 amGTF - SFO

1 stop8h 28mDelta

Deal found 4/9

$403

qua 4/163:52 pmGTF - SFO

2 stops24h 52mAlaska Airlines

Deal found 4/9

$459

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

sex 5/2

6:35 pm-12:08 am

1 stop6h 33m

San Francisco

ter 5/6

5:55 am-11:14 am

1 stop4h 19m

$234

Great FallsSan Francisco

GTF - SFO

GTFSFO

Great Falls

qui 5/29

5:09 pm-9:23 pm

1 stop5h 14m

San Francisco

ter 6/3

6:00 am-4:29 pm

2 stops9h 29m

$252

Great FallsSan Francisco

GTF - SFO

GTFSFO

Great Falls

qua 4/16

5:50 am-1:18 pm

1 stop8h 28m

$403

Great FallsSan Francisco

GTF - SFO

GTFSFO

Great Falls

qua 4/16

3:52 pm-3:44 pm

2 stops24h 52m

$459

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/9

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 April.

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

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 $393). 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.

Rainfall in San Francisco by month

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.

Temperature in San Francisco by month

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).

Reviews of airlines servicing San Francisco

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Alaska Airlines

8.0

Very good

9,851 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Delta

8.0

Very good

7,911 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

What are the cheapest airlines flying 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 $234 on this airline. An additional option worth looking into is Alaska Airlines, starting at $252. Delta is 39% 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 $393). 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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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$210	Average$342	FlexibilityNo cancel fee	On-timeN/A

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$234+ 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 5/2. 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

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Find 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 abril 11, 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 abril 11, 2025.

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 April.

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?

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

Reviews of airlines servicing San Francisco

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.

What are the cheapest airlines flying 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 Great Falls?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

100% Free

Book with Flexibility

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 abril 11, 2025.