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

Alaska Airlines and Delta 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 April 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.

$304 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 high for flights on this route. Typical prices usually range from $310 to $247. The lowest price recently found on this route was $318.

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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.

10:25 am - 5:35 pm

SFO

GTF

6h 10m

1 stop

6:15 pm - 10:28 pm

GTF

SFO

5h 13m

1 stop

$318Alaska Airlines

Tue, Apr 28 - Tue, May 5

1:10 pm - 10:29 pm

SFO

GTF

8h 19m

2 stops

6:20 pm - 11:59 pm

GTF

SFO

6h 39m

1 stop

$324Delta

Tue, Apr 28 - Tue, May 5

1:10 pm - 10:29 pm

SFO

GTF

8h 19m

2 stops

5:30 am - 3:21 pm

GTF

SFO

10h 51m

2 stops

$329Delta

Tue, Apr 28 - Tue, May 5

10:25 am - 5:35 pm

SFO

GTF

6h 10m

1 stop

6:15 pm - 10:28 pm

GTF

SFO

5h 13m

1 stop

$338Alaska Airlines

Wed, Apr 22 - Sat, Apr 25

7:15 am - 5:39 pm

SFO

GTF

9h 24m

2 stops

6:19 pm - 10:27 pm

GTF

SFO

5h 08m

1 stop

$344Delta

Tue, Jun 2 - Sat, Jun 6

7:59 pm - 6:12 pm

SFO

GTF

21h 13m

1 stop

6:52 pm - 4:04 pm

GTF

SFO

22h 12m

1 stop

$345Alaska Airlines

Tue, May 12 - Mon, May 18

5:40 am - 12:27 pm

SFO

GTF

5h 47m

1 stop

5:40 am - 8:53 am

GTF

SFO

4h 13m

1 stop

$358Delta

Mon, May 4 - Thu, May 7

10:50 pm - 9:34 am

SFO

GTF

9h 44m

1 stop

10:19 am - 7:56 pm

GTF

SFO

10h 37m

1 stop

$359Multiple Airlines

Thu, Jul 16 - Mon, Jul 20

10:25 am - 5:35 pm

SFO

GTF

6h 10m

1 stop

6:15 pm - 10:28 pm

GTF

SFO

5h 13m

1 stop

$360Alaska Airlines

Tue, Apr 28 - Sat, May 2

5:40 am - 12:27 pm

SFO

GTF

5h 47m

1 stop

5:40 am - 1:36 pm

GTF

SFO

8h 56m

2 stops

$364Delta

Mon, May 4 - Thu, May 7

Alaska Airlines flights from San Francisco to Great Falls

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

Alaska Airlines

Apr 28

SFO10:25 amSan Francisco

6h 10m

1 stop

GTF5:35 pmGreat Falls

May 5

GTF6:15 pmGreat Falls

5h 13m

1 stop

SFO10:28 pmSan Francisco

$318

Alaska Airlines

Apr 22

SFO10:25 amSan Francisco

6h 10m

1 stop

GTF5:35 pmGreat Falls

Apr 25

GTF6:15 pmGreat Falls

5h 13m

1 stop

SFO10:28 pmSan Francisco

$338

Alaska Airlines

May 12

SFO7:59 pmSan Francisco

21h 13m

1 stop

GTF6:12 pmGreat Falls

May 18

GTF6:52 pmGreat Falls

22h 12m

1 stop

SFO4:04 pmSan Francisco

$345

Delta flights from San Francisco to Great Falls

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

Delta

Apr 28

SFO1:10 pmSan Francisco

8h 19m

2 stops

GTF10:29 pmGreat Falls

May 5

GTF6:20 pmGreat Falls

6h 39m

1 stop

SFO11:59 pmSan Francisco

$324

Delta

Apr 28

SFO1:10 pmSan Francisco

8h 19m

2 stops

GTF10:29 pmGreat Falls

May 5

GTF5:30 amGreat Falls

10h 51m

2 stops

SFO3:21 pmSan Francisco

$329

Delta

Jun 2

SFO7:15 amSan Francisco

9h 24m

2 stops

GTF5:39 pmGreat Falls

Jun 6

GTF6:19 pmGreat Falls

5h 08m

1 stop

SFO10:27 pmSan Francisco

$344

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Tue 4/28

10:25 am-5:35 pm

1 stop6h 10m

Great Falls

Tue 5/5

6:15 pm-10:28 pm

1 stop5h 13m

$318

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Tue 4/28

1:10 pm-10:29 pm

2 stops8h 19m

Great Falls

Tue 5/5

6:20 pm-11:59 pm

1 stop6h 39m

$324

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Tue 4/28

1:10 pm-10:29 pm

2 stops8h 19m

Great Falls

Tue 5/5

5:30 am-3:21 pm

2 stops10h 51m

$329

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Wed 4/22

10:25 am-5:35 pm

1 stop6h 10m

Great Falls

Sat 4/25

6:15 pm-10:28 pm

1 stop5h 13m

$338

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Tue 6/2

7:15 am-5:39 pm

2 stops9h 24m

Great Falls

Sat 6/6

6:19 pm-10:27 pm

1 stop5h 08m

$344

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Tue 5/12

7:59 pm-6:12 pm

1 stop21h 13m

Great Falls

Mon 5/18

6:52 pm-4:04 pm

1 stop22h 12m

$345

Quickest round-trip

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Mon 5/4

5:40 am-12:27 pm

1 stop5h 47m

Great Falls

Thu 5/7

5:40 am-8:53 am

1 stop4h 13m

$358

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Thu 7/16

10:50 pm-9:34 am

1 stop9h 44m

Great Falls

Mon 7/20

10:19 am-7:56 pm

1 stop10h 37m

$359

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Tue 4/28

10:25 am-5:35 pm

1 stop6h 10m

Great Falls

Sat 5/2

6:15 pm-10:28 pm

1 stop5h 13m

$360

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Mon 5/4

5:40 am-12:27 pm

1 stop5h 47m

Great Falls

Thu 5/7

5:40 am-1:36 pm

2 stops8h 56m

$364

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?

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	5h 47m
Direct flights	None

The fastest flight from San Francisco to Great Falls takes 5h 47m

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 5h 47m.
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 April 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 63% of the total bookings. Other popular airlines include Alaska Airlines with 37%.

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 $239	Free Cancellation	Rating 7.9 8,374 reviews		Search Delta flights
Alaska Airlines	PriceFrom $266	Free Cancellation	Rating 7.9 12,157 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.