$131+ 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 7/27. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — SFO
may. 3 — may. 101
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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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 abril 3, 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 abril 3, 2026.
This Alaska Airlines deal was found by Cheapflights users on 3/29. 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.
mar. 5/56:15 pm
GTF
- SFO
1 stop5h 13m
Alaska Airlines
sáb. 5/99:00 am
SFO
- GTF
1 stop7h 35m
Alaska Airlines
Deal found 3/29![Alaska Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 3/29. 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.
lun. 5/116:19 pm
GTF
- SFO
1 stop4h 11m
Delta
mié. 5/135:40 am
SFO
- GTF
1 stop5h 47m
Delta
Deal found 3/29![Delta logo]()
$328
This Delta deal was found by Cheapflights users on 4/3. 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.
mar. 5/121:07 pm
GTF
- SFO
2 stops9h 12m
Delta
mar. 5/265:40 am
SFO
- GTF
1 stop5h 47m
Delta
Deal found 4/3![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 3/30. 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.
jue. 4/306:20 pm
GTF
- SFO
1 stop6h 39m
Delta
mar. 5/55:00 pm
SFO
- GTF
1 stop4h 29m
Delta
Deal found 3/30![Delta logo]()
$353
This Alaska Airlines deal was found by Cheapflights users on 4/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/306:15 pm
GTF
- SFO
1 stop5h 13m
Alaska Airlines
mar. 5/57:59 pm
SFO
- GTF
1 stop20h 36m
Alaska Airlines
Deal found 4/1![Alaska Airlines logo]()
$355
This Alaska Airlines deal was found by Cheapflights users on 3/30. 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.
sáb. 5/26:15 pm
GTF
- SFO
1 stop5h 13m
Alaska Airlines
mar. 5/59:00 am
SFO
- GTF
1 stop7h 35m
Alaska Airlines
Deal found 3/30![Alaska Airlines logo]()
$358
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 abril 3, 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 abril 3, 2026.
This Alaska Airlines deal was found by Cheapflights users on 3/29. 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.
mar. 5/56:15 pm
GTF
- SFO
1 stop5h 13m
Alaska Airlines
sáb. 5/99:00 am
SFO
- GTF
1 stop7h 35m
Alaska Airlines
Deal found 3/29![Alaska Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 3/29. 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.
lun. 5/116:19 pm
GTF
- SFO
1 stop4h 11m
Delta
mié. 5/135:40 am
SFO
- GTF
1 stop5h 47m
Delta
Deal found 3/29![Delta logo]()
$328
This Delta deal was found by Cheapflights users on 4/3. 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.
mar. 5/121:07 pm
GTF
- SFO
2 stops9h 12m
Delta
mar. 5/265:40 am
SFO
- GTF
1 stop5h 47m
Delta
Deal found 4/3![Delta logo]()
$344
This Alaska Airlines deal was found by Cheapflights users on 3/30. 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.
sáb. 5/26:15 pm
GTF
- SFO
1 stop5h 13m
Alaska Airlines
mar. 5/57:40 pm
SFO
- GTF
2 stops20h 55m
Alaska Airlines
Deal found 3/30![Alaska Airlines logo]()
$353
This Delta deal was found by Cheapflights users on 3/30. 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.
jue. 4/306:20 pm
GTF
- SFO
1 stop6h 39m
Delta
mar. 5/55:00 pm
SFO
- GTF
1 stop4h 29m
Delta
Deal found 3/30![Delta logo]()
$353
This Alaska Airlines deal was found by Cheapflights users on 4/2. 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.
jue. 4/306:15 pm
GTF
- SFO
1 stop5h 13m
Alaska Airlines
mar. 5/52:00 pm
SFO
- GTF
1 stop26h 35m
Alaska Airlines
Deal found 4/2![Alaska Airlines logo]()
$355
Last-minute flights from Great Falls to San FranciscoDiscover last-minute flight deals from Great Falls to San Francisco. Data last updated abril 3, 2026 and is based on user searches.
Discover last-minute flight deals from Great Falls to San Francisco. Data last updated abril 3, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 3/30. 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.
jue. 4/306:20 pm
GTF
- SFO
1 stop6h 39m
Delta
mar. 5/55:00 pm
SFO
- GTF
1 stop4h 29m
Delta
Deal found 3/30![Delta logo]()
$353
This Alaska Airlines deal was found by Cheapflights users on 4/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/306:15 pm
GTF
- SFO
1 stop5h 13m
Alaska Airlines
mar. 5/57:59 pm
SFO
- GTF
1 stop20h 36m
Alaska Airlines
Deal found 4/1![Alaska Airlines logo]()
$355
This Alaska Airlines deal was found by Cheapflights users on 3/30. 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.
sáb. 5/26:15 pm
GTF
- SFO
1 stop5h 13m
Alaska Airlines
mar. 5/59:00 am
SFO
- GTF
1 stop7h 35m
Alaska Airlines
Deal found 3/30![Alaska Airlines logo]()
$358
This Alaska Airlines deal was found by Cheapflights users on 3/29. 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.
mar. 5/56:15 pm
GTF
- SFO
1 stop5h 13m
Alaska Airlines
sáb. 5/99:00 am
SFO
- GTF
1 stop7h 35m
Alaska Airlines
Deal found 3/29![Alaska Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 3/29. 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.
lun. 5/116:19 pm
GTF
- SFO
1 stop4h 11m
Delta
mié. 5/135:40 am
SFO
- GTF
1 stop5h 47m
Delta
Deal found 3/29![Delta logo]()
$328
This Delta deal was found by Cheapflights users on 4/3. 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.
mar. 5/121:07 pm
GTF
- SFO
2 stops9h 12m
Delta
mar. 5/265:40 am
SFO
- GTF
1 stop5h 47m
Delta
Deal found 4/3![Delta logo]()
$344
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 abril 3, 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 abril 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/30. 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.
lun. 7/2710:19 am
GTF
- SFO
1 stop10h 37m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 3/31. 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.
lun. 8/1010:19 am
GTF
- SFO
1 stop7h 22m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$150
This Delta deal was found by Cheapflights users on 4/2. 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.
jue. 5/146:19 pm
GTF
- SFO
1 stop6h 38m
Delta
Deal found 4/2![Delta logo]()
$179
This Alaska Airlines deal was found by Cheapflights users on 4/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/46:15 pm
GTF
- SFO
1 stop28h 08m
Alaska Airlines
Deal found 4/1![Alaska Airlines logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/149:26 pm
GTF
- SFO
2 stops36h 04m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$193
This Delta deal was found by Cheapflights users on 3/30. 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.
mié. 7/15:40 am
GTF
- SFO
1 stop7h 27m
Delta
Deal found 3/30![Delta logo]()
$205
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 abril 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $318 (Expedia) |
One-way from | $131 (Kiwi.com) |
Popular in | August |
Cheapest in | March |
Average price | $317 |
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 abril 3, 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 - SFO
GTFSFO
Great Falls
mar. 5/5
6:15 pm-10:28 pm
1 stop5h 13m
San Francisco
sáb. 5/9
9:00 am-5:35 pm
1 stop7h 35m
$318
Quickest round-trip
Great FallsSan Francisco
GTF - SFO
GTFSFO
Great Falls
lun. 5/11
6:19 pm-9:30 pm
1 stop4h 11m
San Francisco
mié. 5/13
5:40 am-12:27 pm
1 stop5h 47m
$328
Great FallsSan Francisco
GTF - SFO
GTFSFO
Great Falls
mar. 5/12
1:07 pm-9:19 pm
2 stops9h 12m
San Francisco
mar. 5/26
5:40 am-12:27 pm
1 stop5h 47m
$344
Great FallsSan Francisco
GTF - SFO
GTFSFO
Great Falls
sáb. 5/2
6:15 pm-10:28 pm
1 stop5h 13m
San Francisco
mar. 5/5
7:40 pm-5:35 pm
2 stops20h 55m
$353
Great FallsSan Francisco
GTF - SFO
GTFSFO
Great Falls
jue. 4/30
6:20 pm-11:59 pm
1 stop6h 39m
San Francisco
mar. 5/5
5:00 pm-10:29 pm
1 stop4h 29m
$353
Great FallsSan Francisco
GTF - SFO
GTFSFO
Great Falls
jue. 4/30
6:15 pm-10:28 pm
1 stop5h 13m
San Francisco
mar. 5/5
2:00 pm-5:35 pm
1 stop26h 35m
$355
Cheapest one-way
Great FallsSan Francisco
GTF - SFO
GTFSFO
Great Falls
lun. 8/10
10:19 am-4:41 pm
1 stop7h 22m
$150
Great FallsSan Francisco
GTF - SFO
GTFSFO
Great Falls
jue. 5/14
6:19 pm-11:57 pm
1 stop6h 38m
$179
Great FallsSan Francisco
GTF - SFO
GTFSFO
Great Falls
lun. 7/27
10:19 am-4:16 pm
2 stops30h 57m
$190
Great FallsSan Francisco
GTF - SFO
GTFSFO
Great Falls
lun. 5/4
6:15 pm-9:23 pm
1 stop28h 08m
$192
Showing 1-10 of 14 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 April.
| 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
What is the cheapest month to book a flight from Great Falls to San Francisco?
Currently, September is the cheapest month in which you can book a flight from Great Falls to San Francisco (average of $129). Flying from Great Falls to San Francisco in June is currently the most expensive (average of $606). 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.
How much does it cost to fly round-trip 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 abril 3, 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.
Crew
8.5
Food
7.2
Overall
7.9
Entertainment
7.8
Comfort
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Food
7.2
Overall
7.9
Entertainment
7.8
Comfort
7.9
Boarding
8.1
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 Cruz
Santa Clara
Livermore
Roseville
Rancho Cordova
San Bruno
Watsonville
San Ramon
Sunnyvale
Vacaville
San Carlos
Redwood City
Turlock
San Lorenzo
Davis
Manteca
Union City
Elk Grove
Foster City
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Great Falls and San Francisco flights
Browse other Great Falls and San Francisco flight options. Last updated on abril 3, 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 abril 3, 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 abril 3, 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 abril 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$132 | Average$318 | FlexibilityNo cancel fee | On-timeN/A |