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

Delta and Alaska Airlines are the most popular carriers 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 August 2026, 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.

$209 Cheap Flights from San Francisco to Great Falls in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Francisco to Great Falls

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:19 pm - 10:37 pmSFO San Francisco-GTF Great Falls

4h 18m1 stop Salt Lake City

6:27 pm - 11:56 pmGTF Great Falls-SFO San Francisco

6h 29m1 stop Salt Lake City

$328Delta

Tue, Sep 29 - Tue, Oct 6

9:46 am - 5:47 pmSFO San Francisco-GTF Great Falls

7h 01m1 stop Salt Lake City

6:27 pm - 11:56 pmGTF Great Falls-SFO San Francisco

6h 29m1 stop Salt Lake City

$328Delta

Wed, Oct 14 - Wed, Oct 21

5:45 am - 12:35 pmSFO San Francisco-GTF Great Falls

5h 50m1 stop Salt Lake City

6:21 pm - 11:59 pmGTF Great Falls-SFO San Francisco

6h 38m1 stop Salt Lake City

$328Delta

Tue, Sep 22 - Tue, Sep 29

5:19 pm - 10:37 pmSFO San Francisco-GTF Great Falls

4h 18m1 stop Salt Lake City

6:21 pm - 10:15 pmGTF Great Falls-SFO San Francisco

4h 54m1 stop Salt Lake City

$328Delta

Wed, Sep 23 - Tue, Sep 29

4:44 pm - 4:13 pmSFO San Francisco-GTF Great Falls

22h 29m1 stop Seattle/Tacoma Intl

4:55 pm - 10:09 pmGTF Great Falls-SFO San Francisco

6h 14m1 stop Seattle/Tacoma Intl

$340Alaska Airlines

Tue, Dec 8 - Sat, Dec 12

11:00 am - 4:35 pmSFO San Francisco-GTF Great Falls

4h 35m1 stop Seattle/Tacoma Intl

5:15 pm - 10:49 pmGTF Great Falls-SFO San Francisco

6h 34m1 stop Seattle/Tacoma Intl

$361Alaska Airlines

Tue, Oct 20 - Sat, Oct 24

8:53 pm - 4:39 pmSFO San Francisco-GTF Great Falls

18h 46m1 stop Seattle/Tacoma Intl

5:19 pm - 9:39 pmGTF Great Falls-SFO San Francisco

5h 20m1 stop Seattle/Tacoma Intl

$370Alaska Airlines

Thu, Sep 24 - Tue, Sep 29

2:20 pm - 9:22 pmSFO San Francisco-GTF Great Falls

6h 02m1 stop Denver Intl

2:37 pm - 7:34 pmGTF Great Falls-SFO San Francisco

5h 57m1 stop Denver Intl

$608United Airlines

Tue, Sep 29 - Tue, Oct 6

12:05 pm - 9:12 pmSFO San Francisco-GTF Great Falls

8h 07m1 stop Denver Intl

6:15 am - 9:10 pmGTF Great Falls-SFO San Francisco

15h 55m2 stops Denver Intl Burbank Bob Hope

$653United Airlines

Tue, Sep 1 - Thu, Sep 10

5:00 am - 1:29 pmSFO San Francisco-GTF Great Falls

7h 29m1 stop Denver Intl

6:15 am - 8:10 pmGTF Great Falls-SFO San Francisco

14h 55m2 stops Denver Intl Burbank Bob Hope

$653United Airlines

Mon, Aug 31 - Thu, Sep 10

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Alaska Airlines flights from San Francisco to Great Falls

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

Alaska Airlines

Dec 8

SFO4:44 pmSan Francisco

22h 29m

1 stop

GTF4:13 pmGreat Falls

Dec 12

GTF4:55 pmGreat Falls

6h 14m

1 stop

SFO10:09 pmSan Francisco

$340

Alaska Airlines

Oct 20

SFO11:00 amSan Francisco

4h 35m

1 stop

GTF4:35 pmGreat Falls

Oct 24

GTF5:15 pmGreat Falls

6h 34m

1 stop

SFO10:49 pmSan Francisco

$361

Alaska Airlines

Sep 25

SFO7:22 pmSan Francisco

20h 17m

1 stop

GTF4:39 pmGreat Falls

Oct 3

GTF5:15 pmGreat Falls

6h 34m

1 stop

SFO10:49 pmSan Francisco

$364

Delta flights from San Francisco to Great Falls

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

Delta

Sep 22

SFO5:45 amSan Francisco

5h 50m

1 stop

GTF12:35 pmGreat Falls

Sep 29

GTF6:21 pmGreat Falls

6h 38m

1 stop

SFO11:59 pmSan Francisco

$328

Delta

Sep 22

SFO2:30 pmSan Francisco

7h 07m

2 stops

GTF10:37 pmGreat Falls

Sep 29

GTF6:21 pmGreat Falls

4h 54m

1 stop

SFO10:15 pmSan Francisco

$334

Delta

Sep 22

SFO2:30 pmSan Francisco

7h 07m

2 stops

GTF10:37 pmGreat Falls

Oct 3

GTF1:15 pmGreat Falls

8h 03m

2 stops

SFO8:18 pmSan Francisco

$339

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

Cheapest round-trip

San FranciscoGreat Falls

SFO San Francisco - GTF Great Falls

SFOGTF

San Francisco

Tue 9/29

5:19 pm-10:37 pm

1 stop4h 18m

Great Falls

Tue 10/6

6:27 pm-11:56 pm

1 stop6h 29m

$328

San FranciscoGreat Falls

SFO San Francisco - GTF Great Falls

SFOGTF

San Francisco

Wed 10/14

9:46 am-5:47 pm

1 stop7h 01m

Great Falls

Wed 10/21

6:27 pm-11:56 pm

1 stop6h 29m

$328

San FranciscoGreat Falls

SFO San Francisco - GTF Great Falls

SFOGTF

San Francisco

Tue 9/22

5:45 am-12:35 pm

1 stop5h 50m

Great Falls

Tue 9/29

6:21 pm-11:59 pm

1 stop6h 38m

$328

Quickest round-trip

San FranciscoGreat Falls

SFO San Francisco - GTF Great Falls

SFOGTF

San Francisco

Wed 9/23

5:19 pm-10:37 pm

1 stop4h 18m

Great Falls

Tue 9/29

6:21 pm-10:15 pm

1 stop4h 54m

$328

San FranciscoGreat Falls

SFO San Francisco - GTF Great Falls

SFOGTF

San Francisco

Tue 12/8

4:44 pm-4:13 pm

1 stop22h 29m

Great Falls

Sat 12/12

4:55 pm-10:09 pm

1 stop6h 14m

$340

San FranciscoGreat Falls

SFO San Francisco - GTF Great Falls

SFOGTF

San Francisco

Tue 10/20

11:00 am-4:35 pm

1 stop4h 35m

Great Falls

Sat 10/24

5:15 pm-10:49 pm

1 stop6h 34m

$361

San FranciscoGreat Falls

SFO San Francisco - GTF Great Falls

SFOGTF

San Francisco

Thu 9/24

8:53 pm-4:39 pm

1 stop18h 46m

Great Falls

Tue 9/29

5:19 pm-9:39 pm

1 stop5h 20m

$370

San FranciscoGreat Falls

SFO San Francisco - GTF Great Falls

SFOGTF

San Francisco

Tue 9/29

2:20 pm-9:22 pm

1 stop6h 02m

Great Falls

Tue 10/6

2:37 pm-7:34 pm

1 stop5h 57m

$608

San FranciscoGreat Falls

SFO San Francisco - GTF Great Falls

SFOGTF

San Francisco

Tue 9/1

12:05 pm-9:12 pm

1 stop8h 07m

Great Falls

Thu 9/10

6:15 am-9:10 pm

2 stops15h 55m

$653

San FranciscoGreat Falls

SFO San Francisco - GTF Great Falls

SFOGTF

San Francisco

Mon 8/31

5:00 am-1:29 pm

1 stop7h 29m

Great Falls

Thu 9/10

6:15 am-8:10 pm

2 stops14h 55m

$653

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 typical price of a round-trip flight between San Francisco and Great Falls?

Prices are currently low for flights on this route.

Typical prices usually range from $378 to $576.
The lowest price recently found on this route was $328.

What is the cheapest month to fly to Great Falls?

The month of January is another great option to travel to Great Falls, with average flight prices from San Francisco averaging around $0.

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	4h 30m
Direct flights	None

The fastest flight from San Francisco to Great Falls takes 4h 30m

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

Frequently asked questions about flying from San Francisco to Great Falls

How far is San Francisco to Great Falls by plane?
The straight-line distance from San Francisco to Great Falls is 874.7 mi. In terms of flight time, this usually takes a little over 4h 30m.
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 August 2026, 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 66% of the total bookings. Other popular airlines include Alaska Airlines with 34%.

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
Delta	PriceFrom $194	Free Cancellation	Rating 7.8 8,505 reviews		Search Delta flights
Alaska Airlines	PriceFrom $259	Free Cancellation	Rating 7.9 12,811 reviews		Search Alaska Airlines 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.