$282+ 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 7/30. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — GTF
Aug 5 — Aug 121
Round-trip
1 adult, Economy
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Find cheap flights from San Diego 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 Diego to Great Falls
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Best
Last-minute
One-way
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 July 6, 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 July 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/308:51 pm
SAN
- GTF
1 stop11h 43m
Multiple Airlines
Mon 8/310:19 am
GTF
- SAN
2 stops30h 08m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$342
This Expedia deal was found by Cheapflights users on 7/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:15 am
SAN
- GTF
1 stop9h 23m
Alaska Airlines
Wed 9/25:18 pm
GTF
- SAN
1 stop7h 26m
Alaska Airlines
Deal found 7/5![Alaska Airlines logo]()
$362
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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.
Tue 12/15:05 pm
SAN
- GTF
2 stops22h 08m
Alaska Airlines
Tue 12/154:55 pm
GTF
- SAN
2 stops15h 48m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$410
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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.
Sat 11/79:15 am
SAN
- GTF
1 stop6h 02m
Alaska Airlines
Tue 11/104:57 pm
GTF
- SAN
1 stop25h 50m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$420
This Travelocity deal was found by Cheapflights users on 7/2. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/79:30 pm
SAN
- GTF
2 stops18h 09m
Alaska Airlines
Tue 9/155:19 pm
GTF
- SAN
1 stop18h 27m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$424
This Expedia deal was found by Cheapflights users on 7/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/214:50 pm
SAN
- GTF
1 stop22h 48m
Alaska Airlines
Mon 8/245:18 pm
GTF
- SAN
1 stop18h 21m
Alaska Airlines
Deal found 7/5![Alaska Airlines logo]()
$438
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 July 6, 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 July 6, 2026.
This Expedia deal was found by Cheapflights users on 7/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:15 am
SAN
- GTF
1 stop9h 23m
Alaska Airlines
Wed 9/25:18 pm
GTF
- SAN
1 stop7h 26m
Alaska Airlines
Deal found 7/5![Alaska Airlines logo]()
$362
This Delta deal was found by Cheapflights users on 7/5. 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 8/257:03 am
SAN
- GTF
2 stops9h 35m
Delta
Wed 9/21:08 pm
GTF
- SAN
2 stops10h 41m
Delta
Deal found 7/5![Delta logo]()
$383
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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.
Tue 12/15:05 pm
SAN
- GTF
2 stops22h 08m
Alaska Airlines
Tue 12/154:55 pm
GTF
- SAN
2 stops15h 48m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$410
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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.
Sat 11/79:15 am
SAN
- GTF
1 stop6h 02m
Alaska Airlines
Tue 11/104:57 pm
GTF
- SAN
2 stops17h 05m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$437
Last-minute flights from San Diego to Great FallsDiscover last-minute flight deals from San Diego to Great Falls. Data last updated July 6, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Great Falls. Data last updated July 6, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 7/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/279:47 pm
SAN
- GTF
2 stops17h 42m
Alaska Airlines
Mon 8/35:09 pm
GTF
- SAN
1 stop28h 40m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$672
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/308:51 pm
SAN
- GTF
1 stop11h 43m
Multiple Airlines
Mon 8/310:19 am
GTF
- SAN
2 stops30h 08m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$342
This Delta deal was found by Cheapflights users on 7/3. 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.
Thu 8/135:01 pm
SAN
- GTF
1 stop4h 37m
Delta
Sun 8/166:18 pm
GTF
- SAN
1 stop6h 32m
Delta
Deal found 7/3![Delta logo]()
$504
This Alaska Airlines deal was found by Cheapflights users on 7/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:27 pm
SAN
- GTF
2 stops18h 02m
Alaska Airlines
Sun 8/165:09 pm
GTF
- SAN
2 stops20h 20m
Alaska Airlines
Deal found 7/3![Alaska Airlines logo]()
$543
This Expedia deal was found by Cheapflights users on 7/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/214:50 pm
SAN
- GTF
1 stop22h 48m
Alaska Airlines
Mon 8/245:18 pm
GTF
- SAN
1 stop18h 21m
Alaska Airlines
Deal found 7/5![Alaska Airlines logo]()
$438
This Delta deal was found by Cheapflights users on 7/5. 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 8/216:15 am
SAN
- GTF
2 stops10h 23m
Delta
Mon 8/246:18 pm
GTF
- SAN
2 stops6h 36m
Delta
Deal found 7/5![Delta logo]()
$509
This Expedia deal was found by Cheapflights users on 7/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:15 am
SAN
- GTF
1 stop9h 23m
Alaska Airlines
Wed 9/25:18 pm
GTF
- SAN
1 stop7h 26m
Alaska Airlines
Deal found 7/5![Alaska Airlines logo]()
$362
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 July 6, 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 July 6, 2026.
This Delta deal was found by Cheapflights users on 7/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/306:15 am
SAN
- GTF
1 stop5h 22m
Delta
Deal found 7/1![Delta logo]()
$282
This United Airlines deal was found by Cheapflights users on 7/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:20 am
SAN
- GTF
3 stops30h 21m
United Airlines
Deal found 7/1![United Airlines logo]()
$306
This Delta deal was found by Cheapflights users on 7/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/297:13 pm
SAN
- GTF
1 stop21h 29m
Delta
Deal found 7/1![Delta logo]()
$346
This United Airlines deal was found by Cheapflights users on 7/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/306:27 pm
SAN
- GTF
3 stops18h 14m
United Airlines
Deal found 7/1![United Airlines logo]()
$461
This United Airlines deal was found by Cheapflights users on 7/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/126:30 am
SAN
- GTF
1 stop6h 11m
United Airlines
Deal found 7/1![United Airlines logo]()
$472
This Delta deal was found by Cheapflights users on 7/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/136:15 am
SAN
- GTF
2 stops10h 27m
Delta
Deal found 7/1![Delta logo]()
$478
This United Airlines deal was found by Cheapflights users on 7/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/136:27 pm
SAN
- GTF
3 stops18h 14m
United Airlines
Deal found 7/1![United Airlines logo]()
$697
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/129:27 pm
SAN
- GTF
3 stops42h 02m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$906
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 July 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $342 (Kiwi.com) |
One-way from | $282 (Delta) |
Popular in | November |
Cheapest in | September |
Average price | $434 |
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 July 6, 2026.
Use the filters below to find and compare flights from San Diego to Great Falls that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
San DiegoGreat Falls
SAN - GTF
SANGTF
San Diego
Tue 8/25
6:15 am-4:38 pm
1 stop9h 23m
Great Falls
Wed 9/2
5:18 pm-11:44 pm
1 stop7h 26m
$362
San DiegoGreat Falls
SAN - GTF
SANGTF
San Diego
Tue 8/25
7:03 am-5:38 pm
2 stops9h 35m
Great Falls
Wed 9/2
1:08 pm-10:49 pm
2 stops10h 41m
$383
San DiegoGreat Falls
SAN - GTF
SANGTF
San Diego
Tue 12/1
5:05 pm-4:13 pm
2 stops22h 08m
Great Falls
Tue 12/15
4:55 pm-7:43 am
2 stops15h 48m
$410
San DiegoGreat Falls
SAN - GTF
SANGTF
San Diego
Sat 11/7
9:15 am-4:17 pm
1 stop6h 02m
Great Falls
Tue 11/10
4:57 pm-9:02 am
2 stops17h 05m
$437
Cheapest one-way
Quickest one-way
San DiegoGreat Falls
SAN - GTF
SANGTF
San Diego
Mon 7/13
6:35 am-1:41 pm
1 stop6h 06m
$472
San DiegoGreat Falls
SAN - GTF
SANGTF
San Diego
Sun 7/12
9:46 am-5:42 pm
1 stop6h 56m
$472
San DiegoGreat Falls
SAN - GTF
SANGTF
San Diego
Mon 7/13
6:15 am-5:42 pm
2 stops10h 27m
$478
San DiegoGreat Falls
SAN - GTF
SANGTF
San Diego
Sun 7/12
6:27 pm-1:41 pm
3 stops18h 14m
$738
San DiegoGreat Falls
SAN - GTF
SANGTF
San Diego
Mon 7/13
9:27 pm-4:29 pm
3 stops42h 02m
$1,134
Sorted by cheapest first
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 July.
| 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.
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 July 6, 2026.
Read reviews from past customers who have flown Delta 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.
Comfort
7.8
Boarding
8.1
Crew
8.5
Overall
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Comfort
7.8
Boarding
8.1
Crew
8.5
Overall
7.8
Food
7.2
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.
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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 July 6, 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 July 6, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Top airline flying from San Diego to Great Falls
Discover the top airline 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 July 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$252 | Average$463 | FlexibilityNo cancel fee | On-timeN/A |