Cheap flights from San Francisco to Great Falls from $228

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Great Falls departing on 1/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from San Francisco to Great Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
9:00 am - 5:19 pm
SFO
-
GTF
7h 19m1 stop
Alaska Airlines Logo
5:59 pm - 11:03 pm
GTF
-
SFO
6h 04m1 stop
$228Alaska Airlines
Wed, Jan 28 - Sat, Jan 31
Delta Logo
9:50 am - 5:30 pm
SFO
-
GTF
6h 40m1 stop
Delta Logo
1:12 pm - 11:30 pm
GTF
-
SFO
11h 18m2 stops
$234Delta
Tue, Jan 20 - Wed, Jan 21
Delta Logo
1:35 pm - 10:30 pm
SFO
-
GTF
7h 55m2 stops
Delta Logo
1:12 pm - 11:30 pm
GTF
-
SFO
11h 18m2 stops
$239Delta
Tue, Jan 20 - Wed, Jan 21
Alaska Airlines Logo
1:19 pm - 5:19 pm
SFO
-
GTF
27h 00m2 stops
Alaska Airlines Logo
5:59 pm - 11:03 pm
GTF
-
SFO
6h 04m1 stop
$276Alaska Airlines
Wed, Jan 28 - Sat, Jan 31
Alaska Airlines Logo
8:24 am - 5:19 pm
SFO
-
GTF
31h 55m2 stops
Alaska Airlines Logo
5:59 pm - 12:23 pm
GTF
-
SFO
19h 24m2 stops
$328Alaska Airlines
Wed, Jan 28 - Sat, Jan 31
United Airlines Logo
5:11 pm - 10:46 pm
SFO
-
GTF
28h 35m1 stop
United Airlines Logo
2:35 pm - 11:05 pm
GTF
-
SFO
9h 30m1 stop
$1,055United Airlines
Tue, Dec 23 - Sat, Dec 27

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
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
Alaska Airlines
Jan 28
SFO8:24 amSan Francisco
31h 55m
2 stops
GTF5:19 pmGreat Falls
Jan 31
GTF5:59 pmGreat Falls
19h 24m
2 stops
SFO12:23 pmSan Francisco

Delta flights from San Francisco to Great Falls

Our best Delta deals on San Francisco to Great Falls flight tickets
Delta
Jan 20
SFO9:50 amSan Francisco
6h 40m
1 stop
GTF5:30 pmGreat Falls
Jan 21
GTF1:12 pmGreat Falls
11h 18m
2 stops
SFO11:30 pmSan Francisco
Delta
Jan 20
SFO1:35 pmSan Francisco
7h 55m
2 stops
GTF10:30 pmGreat Falls
Jan 21
GTF1:12 pmGreat Falls
11h 18m
2 stops
SFO11:30 pmSan Francisco

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to Great Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 9, 2025.
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

Tue 1/20

9:50 am-5:30 pm

1 stop6h 40m

Great Falls

Wed 1/21

1:12 pm-11:30 pm

2 stops11h 18m

$234

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Tue 1/20

1:35 pm-10:30 pm

2 stops7h 55m

Great Falls

Wed 1/21

1:12 pm-11:30 pm

2 stops11h 18m

$239

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

8:24 am-5:19 pm

2 stops31h 55m

Great Falls

Sat 1/31

5:59 pm-12:23 pm

2 stops19h 24m

$328

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Tue 12/23

5:11 pm-10:46 pm

1 stop28h 35m

Great Falls

Sat 12/27

2:35 pm-11:05 pm

1 stop9h 30m

$1,055

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Great Falls from

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

What is the typical price of a round-trip flight between San Francisco and Great Falls?

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

5h 32m

Direct flights

None
The fastest flight from San Francisco to Great Falls takes 5h 32m
There are no direct flights from San Francisco to Great Falls. There are no popular flight routes 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 874.5 mi. In terms of flight time, this usually takes a little over 6h 40m.

  • 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?

  • 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?

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 AirlinesPriceFrom $234Free CancellationRating
8.0
11,420 reviews
Search Alaska Airlines flights
DeltaPriceFrom $239Free CancellationRating
7.9
8,011 reviews
Search Delta flights

Traveling to a place near Great Falls?

Book flights to Great Falls if you plan to visit one of these locations
Shelby

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.

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1 adult
Thu 1/8
Thu 1/15

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