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 July 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.

$149 Cheap Flights from San Francisco to Great Falls in 2026

Q: 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 $431 to $576. The lowest price recently found on this route was $298.

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.

5:08 pm - 10:38 pm

SFO

GTF

4h 30m

1 stop

6:18 pm - 9:59 pm

GTF

SFO

4h 41m

1 stop

$298Delta

Wed, Aug 26 - Fri, Aug 28

5:45 am - 12:35 pm

SFO

GTF

5h 50m

1 stop

5:40 am - 1:11 pm

GTF

SFO

8h 31m

2 stops

$304Delta

Fri, Sep 25 - Tue, Sep 29

6:00 am - 5:41 pm

SFO

GTF

10h 41m

2 stops

1:15 pm - 10:07 pm

GTF

SFO

9h 52m

2 stops

$309Delta

Fri, Sep 25 - Tue, Sep 29

5:05 pm - 10:37 pm

SFO

GTF

4h 32m

1 stop

5:40 am - 12:07 pm

GTF

SFO

7h 27m

1 stop

$313Delta

Sat, Jul 11 - Sat, Jul 18

7:00 am - 5:42 pm

SFO

GTF

9h 42m

2 stops

6:25 pm - 11:52 pm

GTF

SFO

6h 27m

1 stop

$319Delta

Mon, Jul 13 - Mon, Jul 20

3:18 pm - 4:35 pm

SFO

GTF

24h 17m

1 stop

5:15 pm - 10:44 pm

GTF

SFO

6h 29m

1 stop

$330Alaska Airlines

Wed, Oct 28 - Sat, Oct 31

10:36 am - 4:39 pm

SFO

GTF

5h 03m

1 stop

5:19 pm - 7:59 pm

GTF

SFO

27h 40m

1 stop

$335Alaska Airlines

Fri, Sep 25 - Tue, Sep 29

9:51 am - 5:42 pm

SFO

GTF

6h 51m

1 stop

6:25 pm - 11:52 pm

GTF

SFO

6h 27m

1 stop

$358Delta

Sat, Jul 11 - Wed, Jul 15

5:55 am - 5:42 pm

SFO

GTF

10h 47m

2 stops

5:40 am - 8:51 am

GTF

SFO

4h 11m

1 stop

$364Delta

Sat, Jul 11 - Wed, Jul 15

5:55 am - 5:42 pm

SFO

GTF

10h 47m

2 stops

1:17 pm - 9:49 pm

GTF

SFO

9h 32m

2 stops

$369Delta

Sat, Jul 11 - Fri, Jul 17

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Delta flights from San Francisco to Great Falls

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

Delta

Aug 26

SFO5:08 pmSan Francisco

4h 30m

1 stop

GTF10:38 pmGreat Falls

Aug 28

GTF6:18 pmGreat Falls

4h 41m

1 stop

SFO9:59 pmSan Francisco

$298

Delta

Sep 25

SFO5:45 amSan Francisco

5h 50m

1 stop

GTF12:35 pmGreat Falls

Sep 29

GTF5:40 amGreat Falls

8h 31m

2 stops

SFO1:11 pmSan Francisco

$304

Delta

Sep 25

SFO6:00 amSan Francisco

10h 41m

2 stops

GTF5:41 pmGreat Falls

Sep 29

GTF1:15 pmGreat Falls

9h 52m

2 stops

SFO10:07 pmSan Francisco

$309

United Airlines flights from San Francisco to Great Falls

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

United Airlines

Sep 25

SFO7:15 amSan Francisco

13h 07m

2 stops

GTF9:22 pmGreat Falls

Sep 29

GTF6:15 amGreat Falls

16h 32m

2 stops

SFO9:47 pmSan Francisco

$661

United Airlines

Jul 26

SFO6:15 amSan Francisco

6h 26m

1 stop

GTF1:41 pmGreat Falls

Aug 4

GTF6:15 amGreat Falls

6h 10m

1 stop

SFO11:25 amSan Francisco

$711

United Airlines

Jul 3

SFO2:20 pmSan Francisco

6h 14m

1 stop

GTF9:34 pmGreat Falls

Jul 6

GTF6:15 amGreat Falls

6h 10m

1 stop

SFO11:25 amSan Francisco

$748

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Wed 8/26

5:08 pm-10:38 pm

1 stop4h 30m

Great Falls

Fri 8/28

6:18 pm-9:59 pm

1 stop4h 41m

$298

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Fri 9/25

5:45 am-12:35 pm

1 stop5h 50m

Great Falls

Tue 9/29

5:40 am-1:11 pm

2 stops8h 31m

$304

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Fri 9/25

6:00 am-5:41 pm

2 stops10h 41m

Great Falls

Tue 9/29

1:15 pm-10:07 pm

2 stops9h 52m

$309

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Sat 7/11

5:05 pm-10:37 pm

1 stop4h 32m

Great Falls

Sat 7/18

5:40 am-12:07 pm

1 stop7h 27m

$313

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Mon 7/13

7:00 am-5:42 pm

2 stops9h 42m

Great Falls

Mon 7/20

6:25 pm-11:52 pm

1 stop6h 27m

$319

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Wed 10/28

3:18 pm-4:35 pm

1 stop24h 17m

Great Falls

Sat 10/31

5:15 pm-10:44 pm

1 stop6h 29m

$330

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Fri 9/25

10:36 am-4:39 pm

1 stop5h 03m

Great Falls

Tue 9/29

5:19 pm-7:59 pm

1 stop27h 40m

$335

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Sat 7/11

9:51 am-5:42 pm

1 stop6h 51m

Great Falls

Wed 7/15

6:25 pm-11:52 pm

1 stop6h 27m

$358

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Sat 7/11

5:55 am-5:42 pm

2 stops10h 47m

Great Falls

Wed 7/15

5:40 am-8:51 am

1 stop4h 11m

$364

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Sat 7/11

5:55 am-5:42 pm

2 stops10h 47m

Great Falls

Fri 7/17

1:17 pm-9:49 pm

2 stops9h 32m

$369

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?

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 23m
Direct flights	None

The fastest flight from San Francisco to Great Falls takes 4h 23m

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 23m.
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 July 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 Alaska Airlines, making up 53% of the total bookings. Other popular airlines include Delta with 47%.

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 $226	Free Cancellation	Rating 7.8 8,452 reviews		Search Delta flights
Alaska Airlines	PriceFrom $266	Free Cancellation	Rating 7.9 12,603 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.