$267+ Cheap flights from San Diego to Great Falls (SAN - 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 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — GTF
Nov 5 — Nov 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
Cheapest
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 October 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 October 6, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:15 am -
1 stop9h 15m
Tue 11/175:10 pm -
1 stop6h 40m
Deal found 10/5![Alaska Airlines logo]()
$324
This Priceline deal was found by Cheapflights users on 10/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:40 am -
1 stop7h 50m
Sat 11/75:10 pm -
1 stop6h 25m
Deal found 10/1![Alaska Airlines logo]()
$352
This Alaska Airlines deal was found by Cheapflights users on 10/1. 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.
Wed 12/95:38 pm -
1 stop21h 33m
Sat 12/124:51 pm -
1 stop20h 09m
Deal found 10/1![Alaska Airlines logo]()
$473
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 October 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 October 6, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:15 am -
1 stop9h 15m
Tue 11/175:10 pm -
1 stop6h 40m
Deal found 10/5![Alaska Airlines logo]()
$324
This Alaska Airlines deal was found by Cheapflights users on 10/1. 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.
Wed 11/47:10 am -
2 stops8h 20m
Sat 11/75:10 pm -
2 stops19h 33m
Deal found 10/1![Alaska Airlines logo]()
$459
Last-minute flights from San Diego to Great FallsDiscover last-minute flight deals from San Diego to Great Falls. Data last updated October 6, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Great Falls. Data last updated October 6, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/3. 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.
Sat 10/315:06 pm -
1 stop4h 23m
Sat 11/71:18 pm -
2 stops10h 33m
Deal found 10/3![Delta logo]()
$539
This Priceline deal was found by Cheapflights users on 10/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:40 am -
1 stop7h 50m
Sat 11/75:10 pm -
1 stop6h 25m
Deal found 10/1![Alaska Airlines logo]()
$352
This Alaska Airlines deal was found by Cheapflights users on 10/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:15 am -
1 stop9h 15m
Tue 11/175:10 pm -
1 stop6h 40m
Deal found 10/5![Alaska Airlines logo]()
$324
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 October 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 October 6, 2026.
This Delta deal was found by Cheapflights users on 10/6. 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 1/46:15 am -
1 stop5h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Delta logo]()
$267
This Alaska Airlines deal was found by Cheapflights users on 10/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/610:10 pm -
2 stops17h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Alaska Airlines logo]()
$293
This Alaska Airlines deal was found by Cheapflights users on 10/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/49:24 pm -
2 stops41h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Alaska Airlines logo]()
$313
This Alaska Airlines deal was found by Cheapflights users on 10/4. 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 12/178:52 pm -
2 stops18h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![Alaska Airlines logo]()
$418
This United Airlines deal was found by Cheapflights users on 10/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:20 am -
3 stops14h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![United Airlines logo]()
$598
This United Airlines deal was found by Cheapflights users on 10/4. 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 12/176:15 am -
3 stops14h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![United Airlines logo]()
$622
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 October 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $352 (Alaska Airlines) |
One-way from | $267 (Delta) |
Popular in | November |
Cheapest in | July |
Average price | $481 |
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 7,457,451 searches. Data last updated October 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
San DiegoGreat Falls
SAN San Diego - GTF Great Falls
SANGTF
San Diego
Mon 1/4
6:15 am-12:27 pm
1 stop5h 12m
Great Falls
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$267
Quickest round-trip
San DiegoGreat Falls
SAN San Diego - GTF Great Falls
SANGTF
San Diego
Fri 11/6
5:01 pm-10:30 pm
1 stop4h 29m
Great Falls
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$267
San DiegoGreat Falls
SAN San Diego - GTF Great Falls
SANGTF
San Diego
Fri 11/6
10:10 pm-4:30 pm
2 stops17h 20m
Great Falls
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$293
San DiegoGreat Falls
SAN San Diego - GTF Great Falls
SANGTF
San Diego
Mon 1/4
9:24 pm-3:28 pm
2 stops41h 04m
Great Falls
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$313
San DiegoGreat Falls
SAN San Diego - GTF Great Falls
SANGTF
San Diego
Sat 11/14
6:15 am-4:30 pm
1 stop9h 15m
Great Falls
Tue 11/17
5:10 pm-10:50 pm
1 stop6h 40m
$324
San DiegoGreat Falls
SAN San Diego - GTF Great Falls
SANGTF
San Diego
Wed 11/4
7:10 am-4:30 pm
2 stops8h 20m
Great Falls
Sat 11/7
5:10 pm-11:43 am
2 stops19h 33m
$459
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 October.
| 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 October 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.
Overall
7.8
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Overall
7.8
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Crew
8.5
Food
7.2
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 October 6, 2026.
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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 7,457,451 searches. Data last updated October 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$252 | Average$483 | FlexibilityNo cancel fee | On-timeN/A |