$164+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — SFO
Sep 16 — Sep 231
Round-trip
1 adult, Economy
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Find cheap flights from Great Falls to San Francisco with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Great Falls to San Francisco
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Best
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Cheapest flights from Great Falls to San FranciscoExplore 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 August 17, 2026.
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 August 17, 2026.
This Delta deal was found by Cheapflights users on 8/16. 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 12/231:10 pm -
2 stops11h 29m
Sat 12/265:00 pm -
1 stop4h 53m
Deal found 8/16![Delta logo]()
$334
This Alaska Airlines deal was found by Cheapflights users on 8/16. 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.
Tue 10/275:15 pm -
1 stop5h 34m
Sat 10/311:51 pm -
1 stop26h 28m
Deal found 8/16![Alaska Airlines logo]()
$350
This Delta deal was found by Cheapflights users on 8/13. 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.
Fri 8/286:18 pm -
1 stop6h 39m
Tue 9/15:50 am -
1 stop5h 38m
Deal found 8/13![Delta logo]()
$358
This Alaska Airlines deal was found by Cheapflights users on 8/17. 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.
Fri 10/25:19 pm -
1 stop6h 26m
Mon 10/55:45 pm -
1 stop21h 50m
Deal found 8/17![Alaska Airlines logo]()
$361
This Delta deal was found by Cheapflights users on 8/17. 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.
Fri 10/26:21 pm -
1 stop4h 54m
Mon 10/57:20 am -
2 stops9h 21m
Deal found 8/17![Delta logo]()
$379
Best flights from Great Falls to San FranciscoDiscover carefully curated flight deals from Great Falls to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.
Discover carefully curated flight deals from Great Falls to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.
This Delta deal was found by Cheapflights users on 8/16. 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 12/231:10 pm -
2 stops11h 29m
Sat 12/265:00 pm -
1 stop4h 53m
Deal found 8/16![Delta logo]()
$334
This Alaska Airlines deal was found by Cheapflights users on 8/15. 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.
Tue 10/275:15 pm -
1 stop5h 34m
Sat 10/311:51 pm -
1 stop26h 28m
Deal found 8/15![Alaska Airlines logo]()
$350
This Delta deal was found by Cheapflights users on 8/13. 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.
Fri 8/286:18 pm -
1 stop6h 39m
Tue 9/15:50 am -
1 stop5h 38m
Deal found 8/13![Delta logo]()
$358
Last-minute flights from Great Falls to San FranciscoDiscover last-minute flight deals from Great Falls to San Francisco. Data last updated August 17, 2026 and is based on user searches.
Discover last-minute flight deals from Great Falls to San Francisco. Data last updated August 17, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/13. 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.
Fri 8/286:18 pm -
1 stop6h 39m
Tue 9/15:50 am -
1 stop5h 38m
Deal found 8/13![Delta logo]()
$358
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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.
Sat 8/295:18 pm -
1 stop6h 32m
Wed 9/29:03 am -
1 stop6h 35m
Deal found 8/14![Alaska Airlines logo]()
$468
This United Airlines deal was found by Cheapflights users on 8/14. 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.
Sun 8/306:15 am -
1 stop7h 52m
Thu 9/35:00 am -
1 stop7h 29m
Deal found 8/14![United Airlines logo]()
$608
This Priceline deal was found by Cheapflights users on 8/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/305:18 pm -
1 stop7h 22m
Thu 9/37:23 am -
2 stops8h 15m
Deal found 8/14![Alaska Airlines logo]()
$766
This Booking.com deal was found by Cheapflights users on 8/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/315:18 pm -
1 stop7h 22m
Fri 9/48:53 pm -
1 stop18h 52m
Deal found 8/16![Alaska Airlines logo]()
$706
This Delta deal was found by Cheapflights users on 8/17. 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.
Tue 9/11:08 pm -
2 stops7h 35m
Sat 9/55:06 pm -
1 stop4h 23m
Deal found 8/17![Delta logo]()
$479
This Booking.com deal was found by Cheapflights users on 8/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:19 pm -
1 stop20h 44m
Thu 9/178:53 pm -
1 stop18h 46m
Deal found 8/13![Alaska Airlines logo]()
$587
One-way flights from Great Falls to San FranciscoSearch for one-way flight options from Great Falls to San Francisco. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
Search for one-way flight options from Great Falls to San Francisco. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/17. 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.
Tue 9/295:19 pm -
1 stop6h 40m
Deal found 8/17![Alaska Airlines logo]()
$164
This Delta deal was found by Cheapflights users on 8/13. 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.
Sat 9/51:08 pm -
2 stops10h 07m
Deal found 8/13![Delta logo]()
$170
This Delta deal was found by Cheapflights users on 8/13. 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 9/25:40 am -
1 stop4h 10m
Deal found 8/13![Delta logo]()
$179
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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.
Tue 9/15:18 pm -
1 stop5h 12m
Deal found 8/13![Alaska Airlines logo]()
$209
This Delta deal was found by Cheapflights users on 8/13. 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.
Tue 9/11:08 pm -
2 stops7h 35m
Deal found 8/13![Delta logo]()
$235
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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.
Sun 9/65:25 pm -
1 stop5h 05m
Deal found 8/13![Alaska Airlines logo]()
$259
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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 9/25:18 pm -
2 stops21h 46m
Deal found 8/13![Alaska Airlines logo]()
$289
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Sun 9/276:15 am -
1 stop6h 07m
Deal found 8/13![United Airlines logo]()
$313
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Fri 9/46:15 am -
2 stops14h 55m
Deal found 8/13![United Airlines logo]()
$331
This United Airlines deal was found by Cheapflights users on 8/13. 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 8/312:25 pm -
2 stops22h 00m
Deal found 8/13![United Airlines logo]()
$336
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Thu 9/36:15 am -
1 stop7h 53m
Deal found 8/13![United Airlines logo]()
$337
Find 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 August 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $334 (Delta) |
One-way from | $164 (Alaska Airlines) |
Popular in | July |
Cheapest in | September |
Average price | $410 |
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 August 17, 2026.
Use the filters below to find and compare flights from Great Falls to San Francisco that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Great FallsSan Francisco
GTF Great Falls - SFO San Francisco
GTFSFO
Great Falls
Wed 12/23
1:10 pm-11:39 pm
2 stops11h 29m
San Francisco
Sat 12/26
5:00 pm-10:53 pm
1 stop4h 53m
$334
Great FallsSan Francisco
GTF Great Falls - SFO San Francisco
GTFSFO
Great Falls
Tue 10/27
5:15 pm-9:49 pm
1 stop5h 34m
San Francisco
Sat 10/31
1:51 pm-5:19 pm
1 stop26h 28m
$350
Quickest round-trip
Great FallsSan Francisco
GTF Great Falls - SFO San Francisco
GTFSFO
Great Falls
Fri 8/28
6:18 pm-11:57 pm
1 stop6h 39m
San Francisco
Tue 9/1
5:50 am-12:28 pm
1 stop5h 38m
$358
Cheapest one-way
Great FallsSan Francisco
GTF Great Falls - SFO San Francisco
GTFSFO
Great Falls
Fri 9/4
6:18 pm-9:59 pm
1 stop4h 41m
$164
Great FallsSan Francisco
GTF Great Falls - SFO San Francisco
GTFSFO
Great Falls
Tue 9/29
5:19 pm-10:59 pm
1 stop6h 40m
$164
Great FallsSan Francisco
GTF Great Falls - SFO San Francisco
GTFSFO
Great Falls
Tue 9/29
6:21 pm-10:15 pm
1 stop4h 54m
$164
Quickest one-way
Great FallsSan Francisco
GTF Great Falls - SFO San Francisco
GTFSFO
Great Falls
Wed 9/2
5:40 am-8:50 am
1 stop4h 10m
$179
Great FallsSan Francisco
GTF Great Falls - SFO San Francisco
GTFSFO
Great Falls
Sun 9/6
5:25 pm-9:30 pm
1 stop5h 05m
$259
Great FallsSan Francisco
GTF Great Falls - SFO San Francisco
GTFSFO
Great Falls
Wed 9/2
5:18 pm-2:04 pm
2 stops21h 46m
$289
Great FallsSan Francisco
GTF Great Falls - SFO San Francisco
GTFSFO
Great Falls
Sun 9/27
6:15 am-11:22 am
1 stop6h 07m
$313
Showing 1-10 of 12 resultsSorted by cheapest first
Compare providers for flights from Great Falls to San Francisco
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Great Falls to San Francisco in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Great Falls-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Great Falls-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Great Falls-San Francisco flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Great Falls-San Francisco flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Great Falls-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
GTF-SFO
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.
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 August 17, 2026.
See what other customers who have flown with Delta 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.
Entertainment
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Comfort
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Entertainment
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Comfort
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
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.
Traveling to a place near San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsSouth San Francisco
Santa Clara
Santa Cruz
Walnut Creek
San Bruno
Fairfield
Emeryville
Roseville
Burlingame
Rancho Cordova
Vallejo
Cupertino
Newark
Hayward
San Ramon
Redwood City
San Carlos
Manteca
Turlock
San Lorenzo
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Great Falls and San Francisco flights
Browse other Great Falls and San Francisco flight options. Last updated on August 17, 2026.
Other flights from Great Falls
Browse through other flights departing from Great Falls. Flights are based on user searches made on Cheapflights and were last updated on August 17, 2026.
Popular flight searches
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Other flights to San Francisco
Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 17, 2026.
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 August 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$132 | Average$348 | FlexibilityNo cancel fee | On-timeN/A |