$133+ Cheap flights from San Diego to Great Falls (SAN - GTF)
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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — GTF
Mar 18 — Mar 251
1 adult, Economy
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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
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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 Diego to Great Falls
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Best
Last-minute
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Cheapest flights from San Diego to Great FallsExplore the most affordable flight options available from San Diego to Great Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 16, 2026.
Explore the most affordable flight options available from San Diego to Great Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 16, 2026.
This Alaska Airlines deal was found by Cheapflights users on 2/13. 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.
Thu 4/306:15 am
SAN
- GTF
1 stop10h 20m
Alaska Airlines
Tue 5/196:52 pm
GTF
- SAN
1 stop27h 59m
Alaska Airlines
Deal found 2/13![Alaska Airlines logo]()
$262
This Delta deal was found by Cheapflights users on 2/13. 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.
Thu 4/3011:40 am
SAN
- GTF
2 stops9h 49m
Delta
Tue 5/191:07 pm
GTF
- SAN
2 stops10h 25m
Delta
Deal found 2/13![Delta logo]()
$303
This Alaska Airlines deal was found by Cheapflights users on 2/15. 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.
Mon 3/168:26 pm
SAN
- GTF
1 stop18h 51m
Alaska Airlines
Mon 3/235:06 pm
GTF
- SAN
1 stop6h 32m
Alaska Airlines
Deal found 2/15![Alaska Airlines logo]()
$310
This United Airlines deal was found by Cheapflights users on 2/15. 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.
Mon 3/1612:55 pm
SAN
- GTF
1 stop7h 16m
United Airlines
Mon 3/232:30 pm
GTF
- SAN
1 stop7h 33m
United Airlines
Deal found 2/15![United Airlines logo]()
$326
This Alaska Airlines deal was found by Cheapflights users on 2/12. 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.
Thu 4/98:43 pm
SAN
- GTF
1 stop18h 43m
Alaska Airlines
Sun 4/125:06 pm
GTF
- SAN
2 stops17h 00m
Alaska Airlines
Deal found 2/12![Alaska Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 2/12. 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 4/97:30 am
SAN
- GTF
2 stops9h 12m
Delta
Sun 4/125:30 am
GTF
- SAN
1 stop4h 15m
Delta
Deal found 2/12![Delta logo]()
$346
This Alaska Airlines deal was found by Cheapflights users on 2/15. 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.
Thu 5/2110:11 am
SAN
- GTF
1 stop7h 01m
Alaska Airlines
Mon 5/256:52 pm
GTF
- SAN
1 stop6h 07m
Alaska Airlines
Deal found 2/15![Alaska Airlines logo]()
$348
Best flights from San Diego to Great FallsDiscover carefully curated flight deals from San Diego to Great Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 16, 2026.
Discover carefully curated flight deals from San Diego to Great Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 16, 2026.
This Alaska Airlines deal was found by Cheapflights users on 2/13. 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.
Thu 4/306:15 am
SAN
- GTF
1 stop10h 20m
Alaska Airlines
Tue 5/196:52 pm
GTF
- SAN
1 stop27h 59m
Alaska Airlines
Deal found 2/13![Alaska Airlines logo]()
$262
This Delta deal was found by Cheapflights users on 2/13. 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.
Thu 4/3011:40 am
SAN
- GTF
2 stops9h 49m
Delta
Tue 5/191:07 pm
GTF
- SAN
2 stops10h 25m
Delta
Deal found 2/13![Delta logo]()
$303
This United Airlines deal was found by Cheapflights users on 2/15. 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.
Mon 3/1612:55 pm
SAN
- GTF
1 stop7h 16m
United Airlines
Mon 3/232:30 pm
GTF
- SAN
1 stop7h 33m
United Airlines
Deal found 2/15![United Airlines logo]()
$326
This Alaska Airlines deal was found by Cheapflights users on 2/15. 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.
Mon 3/168:26 pm
SAN
- GTF
1 stop18h 51m
Alaska Airlines
Mon 3/235:06 pm
GTF
- SAN
1 stop6h 32m
Alaska Airlines
Deal found 2/15![Alaska Airlines logo]()
$310
This Delta deal was found by Cheapflights users on 2/12. 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 4/97:30 am
SAN
- GTF
2 stops9h 12m
Delta
Sun 4/125:30 am
GTF
- SAN
1 stop4h 15m
Delta
Deal found 2/12![Delta logo]()
$346
This Alaska Airlines deal was found by Cheapflights users on 2/12. 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.
Thu 4/98:43 pm
SAN
- GTF
1 stop18h 43m
Alaska Airlines
Sun 4/125:06 pm
GTF
- SAN
2 stops17h 00m
Alaska Airlines
Deal found 2/12![Alaska Airlines logo]()
$343
Last-minute flights from San Diego to Great FallsDiscover last-minute flight deals from San Diego to Great Falls. Data last updated February 16, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Great Falls. Data last updated February 16, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 2/12. 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 2/244:47 pm
SAN
- GTF
2 stops24h 01m
Alaska Airlines
Sat 2/286:28 pm
GTF
- SAN
2 stops16h 06m
Alaska Airlines
Deal found 2/12![Alaska Airlines logo]()
$465
This Alaska Airlines deal was found by Cheapflights users on 2/13. 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.
Sat 2/288:12 pm
SAN
- GTF
2 stops19h 05m
Alaska Airlines
Wed 3/46:28 pm
GTF
- SAN
2 stops20h 59m
Alaska Airlines
Deal found 2/13![Alaska Airlines logo]()
$531
This United Airlines deal was found by Cheapflights users on 2/13. 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.
Sat 2/286:30 am
SAN
- GTF
1 stop6h 13m
United Airlines
Wed 3/42:25 pm
GTF
- SAN
1 stop7h 26m
United Airlines
Deal found 2/13![United Airlines logo]()
$562
This Alaska Airlines deal was found by Cheapflights users on 2/15. 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.
Mon 3/168:26 pm
SAN
- GTF
1 stop18h 51m
Alaska Airlines
Mon 3/235:06 pm
GTF
- SAN
1 stop6h 32m
Alaska Airlines
Deal found 2/15![Alaska Airlines logo]()
$310
This United Airlines deal was found by Cheapflights users on 2/15. 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.
Mon 3/1612:55 pm
SAN
- GTF
1 stop7h 16m
United Airlines
Mon 3/232:30 pm
GTF
- SAN
1 stop7h 33m
United Airlines
Deal found 2/15![United Airlines logo]()
$326
One-way flights from San Diego to Great FallsSearch for one-way flight options from San Diego to Great Falls. Find affordable one-way fares based on user searches. Data last updated February 16, 2026.
Search for one-way flight options from San Diego to Great Falls. Find affordable one-way fares based on user searches. Data last updated February 16, 2026.
This Alaska Airlines deal was found by Cheapflights users on 2/15. 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 3/178:39 am
SAN
- GTF
1 stop6h 38m
Alaska Airlines
Deal found 2/15![Alaska Airlines logo]()
$133
This Alaska Airlines deal was found by Cheapflights users on 2/13. 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 4/112:44 pm
SAN
- GTF
1 stop26h 42m
Alaska Airlines
Deal found 2/13![Alaska Airlines logo]()
$139
This Alaska Airlines deal was found by Cheapflights users on 2/15. 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.
Thu 4/27:30 am
SAN
- GTF
1 stop7h 56m
Alaska Airlines
Deal found 2/15![Alaska Airlines logo]()
$155
This Delta deal was found by Cheapflights users on 2/16. 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 4/111:15 am
SAN
- GTF
2 stops10h 15m
Delta
Deal found 2/16![Delta logo]()
$163
This Delta deal was found by Cheapflights users on 2/13. 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 4/36:15 am
SAN
- GTF
1 stop5h 09m
Delta
Deal found 2/13![Delta logo]()
$179
This Delta deal was found by Cheapflights users on 2/13. 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.
Thu 4/27:30 am
SAN
- GTF
2 stops9h 12m
Delta
Deal found 2/13![Delta logo]()
$185
This United Airlines deal was found by Cheapflights users on 2/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/38:37 pm
SAN
- GTF
3 stops23h 40m
United Airlines
Deal found 2/16![United Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 2/13. 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 4/26:20 am
SAN
- GTF
3 stops13h 57m
United Airlines
Deal found 2/13![United Airlines logo]()
$375
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/178:59 pm
SAN
- GTF
3 stops42h 27m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$410
Find flight deals from San Diego to Great Falls
Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) 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 February 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $262 (Alaska Airlines) |
One-way from | $133 (Alaska Airlines) |
Popular in | November |
Cheapest in | March |
Cheapflights Fare Finder
Customize your flight search to find flights from San Diego 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 2,558,603 searches. Data last updated February 16, 2026.
Use the filters below to find and compare flights from San Diego to Great Falls that are best for you.
Fly from
San Diego
Fly to
Great Falls
Route
Depart
Return
Price
San DiegoGreat Falls
SAN - GTF
SANGTF
San Diego
Thu 4/30
6:15 am-5:35 pm
1 stop10h 20m
Great Falls
Tue 5/19
6:52 pm-9:51 pm
1 stop27h 59m
$262
San DiegoGreat Falls
SAN - GTF
SANGTF
San Diego
Thu 4/30
11:40 am-10:29 pm
2 stops9h 49m
Great Falls
Tue 5/19
1:07 pm-10:32 pm
2 stops10h 25m
$303
San DiegoGreat Falls
SAN - GTF
SANGTF
San Diego
Mon 3/16
8:26 pm-4:17 pm
1 stop18h 51m
Great Falls
Mon 3/23
5:06 pm-10:38 pm
1 stop6h 32m
$310
San DiegoGreat Falls
SAN - GTF
SANGTF
San Diego
Mon 3/16
12:55 pm-9:11 pm
1 stop7h 16m
Great Falls
Mon 3/23
2:30 pm-9:03 pm
1 stop7h 33m
$326
San DiegoGreat Falls
SAN - GTF
SANGTF
San Diego
Thu 4/9
8:43 pm-4:26 pm
1 stop18h 43m
Great Falls
Sun 4/12
5:06 pm-9:06 am
2 stops17h 00m
$343
San DiegoGreat Falls
SAN - GTF
SANGTF
San Diego
Thu 4/9
7:30 am-5:42 pm
2 stops9h 12m
Great Falls
Sun 4/12
5:30 am-8:45 am
1 stop4h 15m
$346
San DiegoGreat Falls
SAN - GTF
SANGTF
San Diego
Tue 3/17
8:39 am-4:17 pm
1 stop6h 38m
$133
San DiegoGreat Falls
SAN - GTF
SANGTF
San Diego
Wed 4/1
12:44 pm-4:26 pm
1 stop26h 42m
$139
San DiegoGreat Falls
SAN - GTF
SANGTF
San Diego
Thu 4/2
7:30 am-4:26 pm
1 stop7h 56m
$155
San DiegoGreat Falls
SAN - GTF
SANGTF
San Diego
Fri 4/3
6:15 am-4:26 pm
1 stop9h 11m
$161
Showing 1-10 of 11 results
Compare providers for flights from San Diego 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 Diego to Great Falls in February.
| 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 San Diego-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 Diego-Great Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Great Falls flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Diego-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 Diego-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 Diego to Great Falls
Have a flexible travel schedule? Discover the best time to fly to Great Falls from San Diego with our price prediction graph.
SAN-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.
Cheapflights Insights
Everything you need to know about your flight from San Diego to Great Falls
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 February 16, 2026.
Read reviews from past customers who have flown Delta and United Airlines from San Diego to Great Falls. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.9
Comfort
7.9
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.9
Comfort
7.9
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.9
Comfort
7.9
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Related info for your journey
Find useful and relevant information for your journey from San Diego 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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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 February 16, 2026.
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Browse through other flights departing from San Diego. Flights are based on user searches made on Cheapflights and were last updated on February 16, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from San Diego to Great Falls
Discover the top 2 airlines that operate flights from San Diego 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 2,558,603 searches. Data last updated February 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$159 | Average$373 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$199 | Average$576 | FlexibilityNo cancel fee | On-time69% |