What is the cheapest airline that flies from San Francisco to Great Falls?

United Airlines is the most popular carrier operating from San Francisco to Great Falls

When did momondo last update prices for flights from San Francisco Airport to Great Falls Airport?

Prices for flights from San Francisco Airport to Great Falls Airport refresh daily.

How many operators does momondo search for flights from San Francisco Airport to Great Falls Airport?

As of December 2025, there are 2 operators available to choose from for flights from San Francisco Airport to Great Falls Airport.

How old do you have to be to fly from San Francisco Airport to Great Falls Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Great Falls Airport.

What documentation or ID do you need to fly to Great Falls Airport?

The required travel and health documents for your Great Falls Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Great Falls Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$228 Cheap Flights from San Francisco to Great Falls in 2025/26

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Find the cheapest flights from San Francisco to Great Falls

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:00 am - 5:19 pm

SFO

GTF

7h 19m1 stop

5:59 pm - 11:03 pm

GTF

SFO

6h 04m1 stop

$228Alaska Airlines

Wed, Jan 28 - Sat, Jan 31

1:19 pm - 5:19 pm

SFO

GTF

27h 00m2 stops

5:59 pm - 11:03 pm

GTF

SFO

6h 04m1 stop

$276Alaska Airlines

Wed, Jan 28 - Sat, Jan 31

1:19 pm - 5:19 pm

SFO

GTF

27h 00m2 stops

5:59 pm - 12:23 pm

GTF

SFO

19h 24m2 stops

$328Alaska Airlines

Wed, Jan 28 - Sat, Jan 31

7:00 am - 5:19 pm

SFO

GTF

9h 19m2 stops

5:59 pm - 7:38 am

GTF

SFO

14h 39m2 stops

$388Alaska Airlines

Wed, Jan 28 - Sat, Jan 31

2:29 pm - 10:46 pm

SFO

GTF

7h 17m1 stop

6:15 am - 7:40 am

GTF

SFO

26h 25m1 stop

$697United Airlines

Thu, Dec 25 - Mon, Dec 29

6:30 am - 1:39 pm

SFO

GTF

6h 09m1 stop

6:15 am - 7:29 am

GTF

SFO

26h 14m2 stops

$757United Airlines

Thu, Dec 25 - Mon, Dec 29

5:00 am - 1:39 pm

SFO

GTF

7h 39m1 stop

2:35 pm - 7:16 am

GTF

SFO

17h 41m2 stops

$941United Airlines

Thu, Jan 1 - Sun, Jan 4

6:00 am - 12:31 pm

SFO

GTF

5h 31m1 stop

5:30 am - 9:03 am

GTF

SFO

4h 33m1 stop

$967Delta

Thu, Jan 1 - Sun, Jan 4

12:26 pm - 10:30 pm

SFO

GTF

9h 04m2 stops

1:11 pm - 10:50 pm

GTF

SFO

10h 39m2 stops

$1,145Delta

Thu, Dec 25 - Mon, Dec 29

12:26 pm - 10:30 pm

SFO

GTF

9h 04m2 stops

1:11 pm - 12:32 am

GTF

SFO

12h 21m2 stops

$1,609Delta

Thu, Jan 1 - Sun, Jan 4

Alaska Airlines flights from San Francisco to Great Falls

Our best Alaska Airlines deals on San Francisco to Great Falls flight tickets

Alaska Airlines

Jan 28

SFO9:00 amSan Francisco

7h 19m

1 stop

GTF5:19 pmGreat Falls

Jan 31

GTF5:59 pmGreat Falls

6h 04m

1 stop

SFO11:03 pmSan Francisco

$228

Find similar

Alaska Airlines

Jan 28

SFO1:19 pmSan Francisco

27h 00m

2 stops

GTF5:19 pmGreat Falls

Jan 31

GTF5:59 pmGreat Falls

6h 04m

1 stop

SFO11:03 pmSan Francisco

$276

Find similar

Alaska Airlines

Jan 28

SFO1:19 pmSan Francisco

27h 00m

2 stops

GTF5:19 pmGreat Falls

Jan 31

GTF5:59 pmGreat Falls

19h 24m

2 stops

SFO12:23 pmSan Francisco

$328

Find similar

United Airlines flights from San Francisco to Great Falls

Our best United Airlines deals on San Francisco to Great Falls flight tickets

United Airlines

Dec 25

SFO2:29 pmSan Francisco

7h 17m

1 stop

GTF10:46 pmGreat Falls

Dec 29

GTF6:15 amGreat Falls

26h 25m

1 stop

SFO7:40 amSan Francisco

$697

Find similar

United Airlines

Dec 25

SFO6:30 amSan Francisco

6h 09m

1 stop

GTF1:39 pmGreat Falls

Dec 29

GTF6:15 amGreat Falls

26h 14m

2 stops

SFO7:29 amSan Francisco

$757

Find similar

United Airlines

Jan 1

SFO5:00 amSan Francisco

7h 39m

1 stop

GTF1:39 pmGreat Falls

Jan 4

GTF2:35 pmGreat Falls

17h 41m

2 stops

SFO7:16 amSan Francisco

$941

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Wed 1/28

9:00 am-5:19 pm

1 stop7h 19m

Great Falls

Sat 1/31

5:59 pm-11:03 pm

1 stop6h 04m

$228

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Wed 1/28

1:19 pm-5:19 pm

2 stops27h 00m

Great Falls

Sat 1/31

5:59 pm-11:03 pm

1 stop6h 04m

$276

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Wed 1/28

1:19 pm-5:19 pm

2 stops27h 00m

Great Falls

Sat 1/31

5:59 pm-12:23 pm

2 stops19h 24m

$328

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Wed 1/28

7:00 am-5:19 pm

2 stops9h 19m

Great Falls

Sat 1/31

5:59 pm-7:38 am

2 stops14h 39m

$388

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Thu 12/25

2:29 pm-10:46 pm

1 stop7h 17m

Great Falls

Mon 12/29

6:15 am-7:40 am

1 stop26h 25m

$697

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Thu 12/25

6:30 am-1:39 pm

1 stop6h 09m

Great Falls

Mon 12/29

6:15 am-7:29 am

2 stops26h 14m

$757

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Thu 1/1

5:00 am-1:39 pm

1 stop7h 39m

Great Falls

Sun 1/4

2:35 pm-7:16 am

2 stops17h 41m

$941

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Thu 1/1

6:00 am-12:31 pm

1 stop5h 31m

Great Falls

Sun 1/4

5:30 am-9:03 am

1 stop4h 33m

$967

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Thu 12/25

12:26 pm-10:30 pm

2 stops9h 04m

Great Falls

Mon 12/29

1:11 pm-10:50 pm

2 stops10h 39m

$1,145

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Thu 1/1

12:26 pm-10:30 pm

2 stops9h 04m

Great Falls

Sun 1/4

1:11 pm-12:32 am

2 stops12h 21m

$1,609

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Francisco to Great Falls

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Great Falls?

The cheapest day to depart on your flight to Great Falls is on a Tuesday when prices can be found for as low as $334. This is often the case because there is less demand to fly during this day of the week. On the other hand, Friday is the most expensive day to depart from San Francisco because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $528.

What is the cheapest time of day to depart on your flight to Great Falls?

According to our data, the cheapest time of day to fly to Great Falls is in the morning. momondo users have found flights departing from San Francisco to Great Falls in the morning for as low as $377. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $677 on average. Flights to Great Falls from San Francisco at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from San Francisco to Great Falls

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Great Falls according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap San Francisco to Great Falls (SFO to GTF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Great Falls

Fastest flight time	7h 17m
Direct flights	None

The fastest flight from San Francisco to Great Falls takes 7h 17m

There are no direct flights from San Francisco to Great Falls. There are no popular flight routes from San Francisco to Great Falls.

Search flight deals

How far is San Francisco to Great Falls by plane?
The straight-line distance from San Francisco to Great Falls is 874.5 mi. In terms of flight time, this usually takes a little over 7h 17m.
When did momondo last update prices for flights from San Francisco Airport to Great Falls Airport?
Prices for flights from San Francisco Airport to Great Falls Airport refresh daily.
How many operators does momondo search for flights from San Francisco Airport to Great Falls Airport?
As of December 2025, there are 2 operators available to choose from for flights from San Francisco Airport to Great Falls Airport.
How old do you have to be to fly from San Francisco Airport to Great Falls Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Great Falls Airport.
What documentation or ID do you need to fly to Great Falls Airport?
The required travel and health documents for your Great Falls Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Great Falls Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from San Francisco to Great Falls?
Based on momondo bookings for flights between San Francisco and Great Falls, the leading airline is Delta, making up 65% of the total bookings. Other popular airlines include Alaska Airlines with 35%.

Best airlines flying from San Francisco to Great Falls

Compare and see reviews for airlines that fly from San Francisco to Great Falls with momondo

Airline	Rating	Free Cancellation	Price
Alaska Airlines	PriceFrom $234	Free Cancellation	Rating 8.0 11,429 reviews		Search Alaska Airlines flights
Delta	PriceFrom $239	Free Cancellation	Rating 7.9 8,008 reviews		Search Delta flights

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Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Great Falls?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Great Falls from San Francisco.

Can I find flights from San Francisco to Great Falls with flexible booking policies on momondo?

Flights from San Francisco to Great Falls with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from San Francisco to Great Falls?

momondo provides multiple filters to help you find the best flight to Great Falls from San Francisco. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from San Francisco to Great Falls right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Great Falls from San Francisco. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.