$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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — SFO
Sep 26 — Oct 31
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
Last-minute
One-way
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 27, 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 27, 2026.
This Delta deal was found by Cheapflights users on 8/26. 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 11/105:30 am -
1 stop7h 52m
Mon 11/235:50 am -
1 stop5h 51m
Deal found 8/26![Delta logo]()
$328
This Delta deal was found by Cheapflights users on 8/24. 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 9/241:15 pm -
2 stops11h 36m
Thu 10/15:45 am -
1 stop5h 50m
Deal found 8/24![Delta logo]()
$349
This Mytrip deal was found by Cheapflights users on 8/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/34:55 pm -
1 stop6h 14m
Mon 12/142:45 pm -
1 stop24h 28m
Deal found 8/25![Alaska Airlines logo]()
$386
This Delta deal was found by Cheapflights users on 8/27. 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.
Sun 9/205:40 am -
1 stop4h 20m
Sat 9/267:20 am -
2 stops9h 21m
Deal found 8/27![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 8/26. 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 9/105:40 am -
1 stop7h 38m
Mon 9/149:55 am -
1 stop6h 46m
Deal found 8/26![Delta logo]()
$473
This Priceline deal was found by Cheapflights users on 8/24. 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.
Thu 9/245:19 pm -
1 stop7h 21m
Thu 10/17:00 am -
1 stop8h 39m
Deal found 8/24![Alaska Airlines logo]()
$474
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 27, 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 27, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/26. 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 1/234:08 pm -
1 stop6h 32m
Tue 1/269:25 am -
1 stop5h 03m
Deal found 8/26![Alaska Airlines logo]()
$320
This Delta deal was found by Cheapflights users on 8/25. 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 12/35:30 am -
2 stops8h 51m
Mon 12/146:00 am -
1 stop5h 35m
Deal found 8/25![Delta logo]()
$334
This Delta deal was found by Cheapflights users on 8/24. 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 9/241:15 pm -
2 stops11h 36m
Thu 10/15:45 am -
1 stop5h 50m
Deal found 8/24![Delta logo]()
$349
Last-minute flights from Great Falls to San FranciscoDiscover last-minute flight deals from Great Falls to San Francisco. Data last updated August 27, 2026 and is based on user searches.
Discover last-minute flight deals from Great Falls to San Francisco. Data last updated August 27, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/23. 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.
Mon 9/75:40 am -
1 stop4h 10m
Fri 9/115:19 pm -
1 stop4h 18m
Deal found 8/23![Delta logo]()
$779
This Delta deal was found by Cheapflights users on 8/26. 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 9/105:40 am -
1 stop7h 38m
Mon 9/149:55 am -
1 stop6h 46m
Deal found 8/26![Delta logo]()
$473
This Delta deal was found by Cheapflights users on 8/27. 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.
Sun 9/205:40 am -
1 stop4h 20m
Sat 9/267:20 am -
2 stops9h 21m
Deal found 8/27![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 8/24. 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 9/241:15 pm -
2 stops11h 36m
Thu 10/15:45 am -
1 stop5h 50m
Deal found 8/24![Delta logo]()
$349
This Priceline deal was found by Cheapflights users on 8/24. 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.
Thu 9/245:19 pm -
1 stop7h 21m
Thu 10/17:00 am -
1 stop8h 39m
Deal found 8/24![Alaska Airlines logo]()
$474
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 27, 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 27, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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 8/27![Alaska Airlines logo]()
$164
This Delta deal was found by Cheapflights users on 8/27. 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 9/291:15 pm -
2 stops8h 03m
Deal found 8/27![Delta logo]()
$170
This Delta deal was found by Cheapflights users on 8/27. 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 9/155:40 am -
1 stop4h 20m
Deal found 8/27![Delta logo]()
$179
This deal was found by Cheapflights users on 8/24. 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 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 8/24![Alaska Airlines logo]()
$209
This Delta deal was found by Cheapflights users on 8/25. 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 10/96:27 pm -
2 stops16h 11m
Deal found 8/25![Delta logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 8/26. 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.
Thu 12/1011:32 am -
3 stops44h 14m
Deal found 8/26![Multiple Airlines logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 8/26. 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.
Fri 12/1111:39 am -
3 stops38h 02m
Deal found 8/26![Multiple Airlines logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 10/75:15 pm -
3 stops19h 45m
Deal found 8/26![Multiple Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 8/24. 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 10/101:18 pm -
2 stops11h 38m
Deal found 8/24![Delta logo]()
$510
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 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $320 (Alaska Airlines) |
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 7,457,451 searches. Data last updated August 27, 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
Quickest round-trip
Great FallsSan Francisco
GTF Great Falls - SFO San Francisco
GTFSFO
Great Falls
Sat 1/23
4:08 pm-9:40 pm
1 stop6h 32m
San Francisco
Tue 1/26
9:25 am-3:28 pm
1 stop5h 03m
$320
Great FallsSan Francisco
GTF Great Falls - SFO San Francisco
GTFSFO
Great Falls
Thu 12/3
5:30 am-1:21 pm
2 stops8h 51m
San Francisco
Mon 12/14
6:00 am-12:35 pm
1 stop5h 35m
$334
Great FallsSan Francisco
GTF Great Falls - SFO San Francisco
GTFSFO
Great Falls
Thu 9/24
1:15 pm-11:51 pm
2 stops11h 36m
San Francisco
Thu 10/1
5:45 am-12:35 pm
1 stop5h 50m
$349
Cheapest one-way
Quickest one-way
Great FallsSan Francisco
GTF Great Falls - SFO San Francisco
GTFSFO
Great Falls
Tue 9/29
5:19 pm-9:39 pm
1 stop5h 20m
$164
Great FallsSan Francisco
GTF Great Falls - SFO San Francisco
GTFSFO
Great Falls
Wed 10/7
6:27 pm-11:56 pm
1 stop6h 29m
$164
Great FallsSan Francisco
GTF Great Falls - SFO San Francisco
GTFSFO
Great Falls
Tue 9/29
1:15 pm-8:18 pm
2 stops8h 03m
$170
Great FallsSan Francisco
GTF Great Falls - SFO San Francisco
GTFSFO
Great Falls
Wed 9/16
1:15 pm-10:21 pm
2 stops10h 06m
$170
Great FallsSan Francisco
GTF Great Falls - SFO San Francisco
GTFSFO
Great Falls
Fri 12/11
1:17 pm-11:38 pm
2 stops11h 21m
$170
Great FallsSan Francisco
GTF Great Falls - SFO San Francisco
GTFSFO
Great Falls
Tue 9/15
5:40 am-1:13 pm
2 stops8h 33m
$185
Great FallsSan Francisco
GTF Great Falls - SFO San Francisco
GTFSFO
Great Falls
Fri 10/9
6:27 pm-9:38 am
2 stops16h 11m
$212
Sorted 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.
Cheapflights Insights
Everything you need to know about your flight from Great Falls to San Francisco
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 27, 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.
Food
7.2
Overall
7.8
Crew
8.5
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Food
7.2
Overall
7.8
Crew
8.5
Comfort
7.8
Boarding
8.1
Entertainment
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
Emeryville
San Bruno
Roseville
Rancho Cordova
Fairfield
Burlingame
Vallejo
Cupertino
Newark
Hayward
San Ramon
Redwood City
Manteca
San Carlos
Turlock
Davis
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Great Falls and San Francisco flights
Browse other Great Falls and San Francisco flight options. Last updated on August 27, 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 27, 2026.
Popular flight searches
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Other flights to San Francisco
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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 7,457,451 searches. Data last updated August 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$132 | Average$348 | FlexibilityNo cancel fee | On-timeN/A |