$229+ Cheap flights from San Francisco to Great Falls (SFO - GTF)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — GTF
Oct 18 — Oct 251
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco to Great Falls 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 San Francisco to Great Falls
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Best
Last-minute
One-way
Cheapest flights from San Francisco to Great FallsExplore the most affordable flight options available from San Francisco to Great Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 18, 2026.
Explore the most affordable flight options available from San Francisco to Great Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:48 pm -
1 stop14h 13m
Sun 10/259:51 am -
1 stop25h 46m
Deal found 9/16![Multiple Airlines logo]()
$242
This Delta deal was found by Cheapflights users on 9/16. 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 10/145:13 pm -
1 stop4h 27m
Wed 10/216:27 pm -
1 stop6h 29m
Deal found 9/16![Delta logo]()
$368
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 11/118:33 am -
1 stop6h 57m
Sat 11/145:10 pm -
1 stop17h 31m
Deal found 9/15![Alaska Airlines logo]()
$385
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/305:45 am -
1 stop5h 50m
Fri 10/26:21 pm -
1 stop6h 38m
Deal found 9/15![Delta logo]()
$398
This Delta deal was found by Cheapflights users on 9/16. 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.
Thu 10/225:13 pm -
1 stop4h 27m
Sat 10/246:27 pm -
1 stop4h 55m
Deal found 9/16![Delta logo]()
$413
Best flights from San Francisco to Great FallsDiscover carefully curated flight deals from San Francisco to Great Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 18, 2026.
Discover carefully curated flight deals from San Francisco to Great Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 18, 2026.
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/135:00 pm -
1 stop4h 53m
Tue 3/166:20 pm -
1 stop6h 37m
Deal found 9/15![Delta logo]()
$368
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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.
Wed 11/118:33 am -
1 stop6h 57m
Sat 11/145:10 pm -
1 stop17h 31m
Deal found 9/17![Alaska Airlines logo]()
$385
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:50 am -
1 stop5h 48m
Sat 10/246:27 pm -
1 stop4h 55m
Deal found 9/14![Delta logo]()
$368
This Delta deal was found by Cheapflights users on 9/16. 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.
Thu 10/156:20 am -
2 stops10h 27m
Wed 10/216:27 pm -
1 stop6h 29m
Deal found 9/16![Delta logo]()
$374
This Delta deal was found by Cheapflights users on 9/16. 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 10/1412:05 pm -
2 stops9h 35m
Wed 10/215:40 am -
1 stop4h 11m
Deal found 9/16![Delta logo]()
$374
Last-minute flights from San Francisco to Great FallsDiscover last-minute flight deals from San Francisco to Great Falls. Data last updated September 18, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Great Falls. Data last updated September 18, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/259:55 am -
1 stop6h 46m
Tue 9/296:21 pm -
1 stop4h 54m
Deal found 9/14![Delta logo]()
$428
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/305:45 am -
1 stop5h 50m
Fri 10/26:21 pm -
1 stop6h 38m
Deal found 9/15![Delta logo]()
$398
This Delta deal was found by Cheapflights users on 9/16. 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 10/145:13 pm -
1 stop4h 27m
Wed 10/216:27 pm -
1 stop6h 29m
Deal found 9/16![Delta logo]()
$368
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:48 pm -
1 stop14h 13m
Sun 10/259:51 am -
1 stop25h 46m
Deal found 9/16![Multiple Airlines logo]()
$242
This Delta deal was found by Cheapflights users on 9/16. 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.
Thu 10/225:13 pm -
1 stop4h 27m
Sat 10/246:27 pm -
1 stop4h 55m
Deal found 9/16![Delta logo]()
$413
One-way flights from San Francisco to Great FallsSearch for one-way flight options from San Francisco to Great Falls. Find affordable one-way fares based on user searches. Data last updated September 18, 2026.
Search for one-way flight options from San Francisco to Great Falls. Find affordable one-way fares based on user searches. Data last updated September 18, 2026.
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:55 am -
1 stop6h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Delta logo]()
$229
This Delta deal was found by Cheapflights users on 9/16. 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.
Fri 9/257:20 am -
2 stops9h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Delta logo]()
$235
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 9/258:53 pm -
1 stop18h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Alaska Airlines logo]()
$320
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:35 pm -
1 stop7h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![United Airlines logo]()
$354
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 9/2312:35 pm -
1 stop7h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![United Airlines logo]()
$364
This Delta deal was found by Cheapflights users on 9/17. 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.
Thu 9/249:55 am -
1 stop6h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Delta logo]()
$394
This eDestinos deal was found by Cheapflights users on 9/15. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:24 pm -
3 stops41h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$603
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:05 pm -
3 stops21h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$892
Find flight deals from San Francisco to Great Falls
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Great Falls (GTF). 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 September 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $242 (Kiwi.com) |
One-way from | $229 (Delta) |
Popular in | March |
Cheapest in | January |
Average price | $431 |
Cheapflights 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, Cheapflights users made 7,457,451 searches. Data last updated September 18, 2026.
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
Cheapest round-trip
Quickest round-trip
San FranciscoGreat Falls
SFO San Francisco - GTF Great Falls
SFOGTF
San Francisco
Wed 9/23
9:55 am-5:41 pm
1 stop6h 46m
Great Falls
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$229
San FranciscoGreat Falls
SFO San Francisco - GTF Great Falls
SFOGTF
San Francisco
Fri 9/25
9:55 am-5:41 pm
1 stop6h 46m
Great Falls
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$229
San FranciscoGreat Falls
SFO San Francisco - GTF Great Falls
SFOGTF
San Francisco
Thu 9/24
7:20 am-5:41 pm
2 stops9h 21m
Great Falls
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$235
San FranciscoGreat Falls
SFO San Francisco - GTF Great Falls
SFOGTF
San Francisco
Sat 3/13
5:00 pm-10:53 pm
1 stop4h 53m
Great Falls
Tue 3/16
6:20 pm-11:57 pm
1 stop6h 37m
$368
San FranciscoGreat Falls
SFO San Francisco - GTF Great Falls
SFOGTF
San Francisco
Thu 10/22
5:50 am-12:38 pm
1 stop5h 48m
Great Falls
Sat 10/24
6:27 pm-10:22 pm
1 stop4h 55m
$368
San FranciscoGreat Falls
SFO San Francisco - GTF Great Falls
SFOGTF
San Francisco
Thu 10/15
6:20 am-5:47 pm
2 stops10h 27m
Great Falls
Wed 10/21
6:27 pm-11:56 pm
1 stop6h 29m
$374
San FranciscoGreat Falls
SFO San Francisco - GTF Great Falls
SFOGTF
San Francisco
Wed 10/14
12:05 pm-10:40 pm
2 stops9h 35m
Great Falls
Wed 10/21
5:40 am-8:51 am
1 stop4h 11m
$374
San FranciscoGreat Falls
SFO San Francisco - GTF Great Falls
SFOGTF
San Francisco
Wed 11/11
8:33 am-4:30 pm
1 stop6h 57m
Great Falls
Sat 11/14
5:10 pm-9:41 am
1 stop17h 31m
$385
Sorted by cheapest first
Compare providers for flights from San Francisco to Great Falls
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 San Francisco to Great Falls in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Francisco-Great Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Great Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Great Falls flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Francisco-Great Falls 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 San Francisco-Great Falls 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 San Francisco to Great Falls
Have a flexible travel schedule? Discover the best time to fly to Great Falls from San Francisco with our price prediction graph.
SFO-GTF
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 Great Falls
Get insights into the airlines that provide service to Great Falls. 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 Great Falls. Reviews last updated September 18, 2026.
Get a feel of what it's like to fly with Alaska Airlines and Delta from San Francisco to Great Falls by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.0
Boarding
8.1
Overall
7.9
Comfort
7.8
Crew
8.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Entertainment
7.0
Boarding
8.1
Overall
7.9
Comfort
7.8
Crew
8.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Entertainment
7.0
Boarding
8.1
Overall
7.9
Comfort
7.8
Crew
8.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Related info for your journey
Find useful and relevant information for your journey from San Francisco to Great Falls. 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 Great Falls?
Book flights to Great Falls if you plan to visit one of these locationsShelby
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Complete your trip
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Other flights to Great Falls
Explore flights to Great Falls departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 18, 2026.
San Francisco and Great Falls flights
Browse other San Francisco and Great Falls flight options. Last updated on September 18, 2026.
Other flights from San Francisco
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on September 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from San Francisco to Great Falls
Discover the top 2 airlines that operate flights from San Francisco to Great Falls. 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 7,457,451 searches. Data last updated September 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$194 | Average$395 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$259 | Average$787 | FlexibilityNo cancel fee | On-time75% |