$136 Cheap Flights from Great Falls (GTF) to San Francisco (SFO)

View $136 flight on Sat, Mar 7, 2026Opens in a new window

Popular airlines from Great Falls, MT (GTF-Great Falls Intl.) to San Francisco Intl. Airport (SFO)

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Cheap Flights from Great Falls to San Francisco (GTF-SFO)

Prices were available within the past 7 days and start at $136 for one-way flights and $232 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Tue, Feb 24 - Tue, Mar 3
GTF
Great Falls
SFO
San Francisco
$232 Roundtrip, found 6 days ago
$232
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Tue, Feb 24 from Great Falls to San Francisco, returning Tue, Mar 3, priced at $232 found 6 days ago
Hawaiian Airlines
Mon, Feb 23 - Tue, Mar 3
GTF
Great Falls
SFO
San Francisco
$240 Roundtrip, found 6 days ago
$240
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Mon, Feb 23 from Great Falls to San Francisco, returning Tue, Mar 3, priced at $240 found 6 days ago
Hawaiian Airlines
Tue, Feb 24 - Thu, Mar 5
GTF
Great Falls
SFO
San Francisco
$242 Roundtrip, found 6 days ago
$242
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Tue, Feb 24 from Great Falls to San Francisco, returning Thu, Mar 5, priced at $242 found 6 days ago
Delta
Wed, Dec 10 - Tue, Dec 16
GTF
Great Falls
SFO
San Francisco
$243 Roundtrip, found 3 days ago
$243
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Dec 10 from Great Falls to San Francisco, returning Tue, Dec 16, priced at $243 found 3 days ago
Delta
Thu, Feb 26 - Tue, Mar 3
GTF
Great Falls
SFO
San Francisco
$246 Roundtrip, found 6 days ago
$246
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Feb 26 from Great Falls to San Francisco, returning Tue, Mar 3, priced at $246 found 6 days ago
Alaska Airlines
Thu, Dec 4 - Wed, Dec 10
GTF
Great Falls
SFO
San Francisco
$248 Roundtrip, found 6 days ago
$248
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Thu, Dec 4 from Great Falls to San Francisco, returning Wed, Dec 10, priced at $248 found 6 days ago
Hawaiian Airlines
Mon, Feb 23 - Thu, Mar 5
GTF
Great Falls
SFO
San Francisco
$250 Roundtrip, found 6 days ago
$250
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Mon, Feb 23 from Great Falls to San Francisco, returning Thu, Mar 5, priced at $250 found 6 days ago
Hawaiian Airlines
Fri, Dec 12 - Tue, Dec 16
GTF
Great Falls
SFO
San Francisco
$252 Roundtrip, found 3 days ago
$252
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Fri, Dec 12 from Great Falls to San Francisco, returning Tue, Dec 16, priced at $252 found 3 days ago
Hawaiian Airlines
Fri, Dec 12 - Sat, Dec 13
GTF
Great Falls
SFO
San Francisco
$257 Roundtrip, found 3 days ago
$257
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Fri, Dec 12 from Great Falls to San Francisco, returning Sat, Dec 13, priced at $257 found 3 days ago
United
Tue, Nov 18 - Wed, Nov 26
GTF
Great Falls
SFO
San Francisco
$548 Roundtrip, found 1 hour ago
$548
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Nov 18 from Great Falls to San Francisco, returning Wed, Nov 26, priced at $548 found 1 hour ago

Alternative airports near San Francisco

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Norman Y. Mineta San Jose Intl. SJC. Average driving time to city center is 50 minutes. Flights from $418
SJC
Norman Y. Mineta San Jose Intl.
Average driving time to city center50 min
Flights from $418
Select flight to Oakland Intl. OAK. Cheapest option available. Average driving time to city center is 26 minutes. Flights from $242
OAK
Oakland Intl.
Cheapest
Average driving time to city center26 min
Flights from $242
Flights from Great Falls (GTF) to San Francisco (SFO)
Origin airport
Great Falls Intl.
Destination airport
San Francisco Intl.
Airlines serving
Alaska Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$232
Distance
881 mi

Great Falls to San Francisco Flights

The cheapest times to fly from Great Falls to San Francisco

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Great Falls to San Francisco are during the month of February. You can find some of the cheapest flights from Great Falls to San Francisco with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Great Falls to San Francisco

Sunday is one of the best days to book for cheap flights from Great Falls to San Francisco: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Great Falls to San Francisco

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Great Falls to San Francisco in 2025. You can also book with separate airlines for your outbound and return journeys, from $136 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Great Falls to San Francisco flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Great Falls to San Francisco airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Great Falls Intl. Airport (GTF) to San Francisco Intl. Airport (SFO) cost?
Snag a cheap one-way flight from $136 or cheap return flight from $232 from Great Falls Intl. Airport (GTF) to San Francisco Intl. Airport (SFO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Great Falls Intl. Airport (GTF) to San Francisco Intl. Airport (SFO)?
Traveling in February may help you find better deals, as it's the cheapest month for flights between GTF and SFO. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Great Falls Intl. Airport (GTF) to San Francisco Intl. Airport (SFO)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from GTF to SFO. Then, sort your results by "Price (lowest to highest)" to pick up a good deal.
How many flights per day from Great Falls Intl. Airport (GTF) to San Francisco Intl. Airport (SFO)?
Nonstop flights from Great Falls Intl. Airport (GTF) to San Francisco Intl. Airport (SFO) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from GTF to SFO?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary depending on various factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Great Falls Intl. Airport (GTF) to San Francisco Intl. Airport (SFO)?
Book a flight from Great Falls Intl. Airport (GTF) to San Francisco Intl. Airport (SFO) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Great Falls Intl. Airport (GTF) to San Francisco Intl. Airport (SFO) last-minute?
Booking your plane ticket from GTF to SFO shortly before your getaway is typically more expensive. But if there's some wiggle room with your travel times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a GTF to SFO flight and hotel package?
Opting for a GTF to SFO flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our impressive range of stays and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Great Falls Intl. Airport (GTF) to San Francisco Intl. Airport (SFO)?
In most cases, you can modify or cancel your GTF to SFO flight. However, additional fees may apply, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you need more details, head to our Customer Service portal.

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*Available to One Key members.