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$144+ Cheap flights from Great Falls to San Francisco (GTF - SFO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — SFO
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
1 adult, Economy
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Cheap flight deals from Great Falls to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Great Falls (GTF) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 2, 2025.

Round-trip from

$246
(Alaska Airlines)

One-way from

$144
(Delta)

Popular in

January

Cheapest in

April

Average price

$475
From Great Falls to San Francisco
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One-way flight from Great Falls to San Francisco
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Highest demand for flights based on searches. 19% potential increase in price ($100 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Great Falls to San Francisco

Cheapest flights from Great Falls to San Francisco
Explore the most affordable flight options available from Great Falls to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

This Alaska Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/134:55 pmGTF - SFO
1 stop5h 28mAlaska Airlines
Mon 8/189:15 amSFO - GTF
1 stop5h 58mAlaska Airlines
Deal found 7/2$246
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/135:45 amGTF - SFO
2 stops10h 05mDelta
Mon 8/185:35 amSFO - GTF
1 stop4h 28mDelta
Deal found 7/2$256
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/146:25 amGTF - SFO
1 stop25h 17mUnited Airlines
Sat 7/192:30 pmSFO - GTF
1 stop5h 43mUnited Airlines
Deal found 7/1$626

Cheapflights Fare Finder

Customize your flight search to find flights from Great Falls to San Francisco 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, Cheapflights users made 2,558,603 searches. Data last updated July 2, 2025.
Use the filters below to find and compare flights from Great Falls to San Francisco that are best for you.

Fly from

Great Falls

Fly to

San Francisco

Route

Depart

Return

Price

Great FallsSan Francisco

GTF - SFO

GTFSFO

Great Falls

Wed 8/13

4:55 pm-9:23 pm

1 stop5h 28m

San Francisco

Mon 8/18

9:15 am-4:13 pm

1 stop5h 58m

$246

Great FallsSan Francisco

GTF - SFO

GTFSFO

Great Falls

Wed 8/13

5:45 am-2:50 pm

2 stops10h 05m

San Francisco

Mon 8/18

5:35 am-11:03 am

1 stop4h 28m

$256

Great FallsSan Francisco

GTF - SFO

GTFSFO

Great Falls

Mon 7/14

6:25 am-6:42 am

1 stop25h 17m

San Francisco

Sat 7/19

2:30 pm-9:13 pm

1 stop5h 43m

$626

Great FallsSan Francisco

GTF - SFO

GTFSFO

Great Falls

Tue 9/2

6:06 pm-10:51 pm

1 stop5h 45m

$144

Great FallsSan Francisco

GTF - SFO

GTFSFO

Great Falls

Tue 9/2

4:29 pm-1:32 pm

2 stops22h 03m

$182

Great FallsSan Francisco

GTF - SFO

GTFSFO

Great Falls

Mon 7/21

10:14 am-11:05 am

3 stops25h 51m

$281

Great FallsSan Francisco

GTF - SFO

GTFSFO

Great Falls

Mon 7/7

2:35 pm-9:41 am

2 stops20h 06m

$458

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Best time to book a flight from Great Falls to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Great Falls with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Great Falls to San Francisco

What is the cheapest month to book a flight from Great Falls to San Francisco?

Currently, January is the cheapest month in which you can book a flight from Great Falls to San Francisco (average of $276). Flying from Great Falls to San Francisco in June is currently the most expensive (average of $360). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated July 2, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and United Airlines from Great Falls to San Francisco have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,983 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Great Falls to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Great Falls to San Francisco round-trip?

    Our cheapest airline available from Great Falls to San Francisco is Alaska Airlines. Our recent data shows that you can find tickets from as low as $246 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $256 and $626 round-trip. Alaska Airlines is 38% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Great Falls to San Francisco one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $144. Users have also found prices from $182 and $458 on Alaska Airlines and United Airlines, respectively.

  • Can I find deals for flights from Great Falls to San Francisco that include hotel bookings?

    Yes. In addition to deals on Great Falls to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Great Falls to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Great Falls to San Francisco.

  • Can I find deals for business class flights from Great Falls to San Francisco?

    Yes. Cheapflights offers flight deals from Great Falls to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Great Falls to San Francisco?

    Currently, January is the cheapest month in which you can book a flight from Great Falls to San Francisco (average of $276). Flying from Great Falls to San Francisco in June is currently the most expensive (average of $360). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Great Falls?

Book flights to Great Falls if you plan to visit one of these locations
Roseville
Mountain View
South San Francisco
Livermore
Santa Cruz
Turlock
Manteca
Watsonville
Antioch
Hollister
Newark
Alameda
Hayward
Milpitas
Sunnyvale
Daly City
Campbell
Foster City
Capitola
Richmond

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Top airline flying from Great Falls to San Francisco

Discover the top airline that operate flights from Great Falls to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$210Average$336FlexibilityNo cancel feeOn-timeN/A

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