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

Delta 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 September 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.

$194 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

Last minute

Cheap round-trip flights

9:54 am - 5:27 pmSFO-GTF

6h 33m1 stop

6:09 pm - 9:52 pmGTF-SFO

4h 43m1 stop

$262Delta

Find Deal

Sat, Oct 4 - Tue, Oct 7

6:00 am - 5:29 pmSFO-GTF

10h 29m2 stops

1:08 pm - 11:33 pmGTF-SFO

11h 25m2 stops

$263Delta

Find Deal

Sat, Oct 11 - Sat, Oct 18

9:54 am - 5:27 pmSFO-GTF

6h 33m1 stop

1:08 pm - 11:33 pmGTF-SFO

11h 25m2 stops

$268Delta

Find Deal

Sat, Oct 4 - Tue, Oct 7

5:45 am - 9:32 pmSFO-GTF

14h 47m1 stop

10:22 pm - 9:22 pmGTF-SFO

24h 00m1 stop

$277

Find Deal

Mon, Oct 6 - Mon, Oct 13

5:30 am - 12:28 pmSFO-GTF

5h 58m1 stop

6:09 pm - 11:43 pmGTF-SFO

6h 34m1 stop

$325Delta

Find Deal

Sun, Oct 12 - Sun, Oct 19

5:45 am - 9:37 pmSFO-GTF

14h 52m1 stop

6:15 pm - 10:29 pmGTF-SFO

5h 14m1 stop

$334

Find Deal

Fri, Oct 3 - Tue, Oct 7

6:00 am - 5:35 pmSFO-GTF

10h 35m2 stops

6:15 pm - 10:19 amGTF-SFO

17h 04m2 stops

$494Alaska Airlines

Find Deal

Mon, Oct 6 - Mon, Oct 13

11:03 am - 1:26 pmSFO-GTF

25h 23m2 stops

7:00 am - 9:42 amGTF-SFO

27h 42m1 stop

$519United Airlines

Find Deal

Sat, Sep 27 - Mon, Sep 29

5:05 am - 1:26 pmSFO-GTF

7h 21m1 stop

2:31 pm - 7:45 amGTF-SFO

18h 14m1 stop

$522United Airlines

Find Deal

Sat, Sep 27 - Mon, Sep 29

1:50 pm - 3:49 pmSFO-GTF

24h 59m2 stops

4:29 pm - 10:18 pmGTF-SFO

6h 49m1 stop

$668Alaska Airlines

Find Deal

Wed, Sep 24 - Sat, Sep 27

Delta flights from San Francisco to Great Falls

Our best Delta deals on San Francisco to Great Falls flight tickets

Delta

Oct 4

SFO9:54 amSan Francisco

6h 33m

1 stop

GTF5:27 pmGreat Falls

Oct 7

GTF6:09 pmGreat Falls

4h 43m

1 stop

SFO9:52 pmSan Francisco

$262

Find similar

Delta

Oct 11

SFO6:00 amSan Francisco

10h 29m

2 stops

GTF5:29 pmGreat Falls

Oct 18

GTF1:08 pmGreat Falls

11h 25m

2 stops

SFO11:33 pmSan Francisco

$263

Find similar

Delta

Oct 4

SFO9:54 amSan Francisco

6h 33m

1 stop

GTF5:27 pmGreat Falls

Oct 7

GTF1:08 pmGreat Falls

11h 25m

2 stops

SFO11:33 pmSan Francisco

$268

Find similar

Alaska Airlines flights from San Francisco to Great Falls

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

Alaska Airlines

Oct 6

SFO6:00 amSan Francisco

10h 35m

2 stops

GTF5:35 pmGreat Falls

Oct 13

GTF6:15 pmGreat Falls

17h 04m

2 stops

SFO10:19 amSan Francisco

$494

Find similar

Alaska Airlines

Sep 24

SFO1:50 pmSan Francisco

24h 59m

2 stops

GTF3:49 pmGreat Falls

Sep 27

GTF4:29 pmGreat Falls

6h 49m

1 stop

SFO10:18 pmSan Francisco

$668

Find similar

Alaska Airlines

Oct 12

SFO9:47 pmSan Francisco

18h 48m

2 stops

GTF5:35 pmGreat Falls

Oct 19

GTF6:15 pmGreat Falls

18h 36m

2 stops

SFO11:51 amSan Francisco

$704

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

Sat 10/4

9:54 am-5:27 pm

1 stop6h 33m

Great Falls

Tue 10/7

6:09 pm-9:52 pm

1 stop4h 43m

$262

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Sat 10/11

6:00 am-5:29 pm

2 stops10h 29m

Great Falls

Sat 10/18

1:08 pm-11:33 pm

2 stops11h 25m

$263

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Sat 10/4

9:54 am-5:27 pm

1 stop6h 33m

Great Falls

Tue 10/7

1:08 pm-11:33 pm

2 stops11h 25m

$268

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Mon 10/6

5:45 am-9:32 pm

1 stop14h 47m

Great Falls

Mon 10/13

10:22 pm-9:22 pm

1 stop24h 00m

$277

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Sun 10/12

5:30 am-12:28 pm

1 stop5h 58m

Great Falls

Sun 10/19

6:09 pm-11:43 pm

1 stop6h 34m

$325

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Fri 10/3

5:45 am-9:37 pm

1 stop14h 52m

Great Falls

Tue 10/7

6:15 pm-10:29 pm

1 stop5h 14m

$334

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Mon 10/6

6:00 am-5:35 pm

2 stops10h 35m

Great Falls

Mon 10/13

6:15 pm-10:19 am

2 stops17h 04m

$494

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Sat 9/27

11:03 am-1:26 pm

2 stops25h 23m

Great Falls

Mon 9/29

7:00 am-9:42 am

1 stop27h 42m

$519

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Sat 9/27

5:05 am-1:26 pm

1 stop7h 21m

Great Falls

Mon 9/29

2:31 pm-7:45 am

1 stop18h 14m

$522

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Wed 9/24

1:50 pm-3:49 pm

2 stops24h 59m

Great Falls

Sat 9/27

4:29 pm-10:18 pm

1 stop6h 49m

$668

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

Direct flights	None

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 5h 50m.
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 September 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 67% of the total bookings. Other popular airlines include Alaska Airlines with 33%.

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 10,000 reviews		Search Alaska Airlines flights
Delta	PriceFrom $239	Free Cancellation	Rating 7.9 7,956 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.