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$137+ 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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — GTF
Apr 29 — May 61
Wed 4/29
Wed 5/6
1 adult, Economy
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Cheap flight deals from San Diego to Great Falls

Cheapest flights from San Diego to Great Falls
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 March 30, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/129:56 pm
SAN
-
GTF
1 stop11h 56m
Multiple Airlines
Fri 4/1711:42 am
GTF
-
SAN
1 stop7h 10m
Multiple Airlines
Deal found 3/27$373
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.
Sun 4/269:47 am
SAN
-
GTF
1 stop6h 53m
Delta
Wed 5/136:19 pm
GTF
-
SAN
1 stop6h 24m
Delta
Deal found 3/29$407
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.
Wed 4/292:23 pm
SAN
-
GTF
1 stop26h 12m
Alaska Airlines
Sat 5/26:15 pm
GTF
-
SAN
1 stop18h 49m
Alaska Airlines
Deal found 3/29$432
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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.
Mon 4/139:08 pm
SAN
-
GTF
2 stops18h 18m
Alaska Airlines
Fri 4/175:06 pm
GTF
-
SAN
1 stop7h 53m
Alaska Airlines
Deal found 3/27$437
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.
Tue 12/15:00 pm
SAN
-
GTF
1 stop4h 53m
Delta
Tue 12/155:30 am
GTF
-
SAN
1 stop4h 36m
Delta
Deal found 3/30$446
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.
Tue 12/15:00 pm
SAN
-
GTF
2 stops22h 13m
Alaska Airlines
Tue 12/154:55 pm
GTF
-
SAN
1 stop7h 01m
Alaska Airlines
Deal found 3/30$457
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.
Sun 4/268:28 pm
SAN
-
GTF
2 stops20h 07m
Alaska Airlines
Wed 5/136:52 pm
GTF
-
SAN
1 stop6h 07m
Alaska Airlines
Deal found 3/29$465
This Alaska Airlines deal was found by Cheapflights users on 3/28. 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 5/2811:18 am
SAN
-
GTF
1 stop5h 54m
Alaska Airlines
Tue 6/26:52 pm
GTF
-
SAN
2 stops18h 03m
Alaska Airlines
Deal found 3/28$471
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.
Sun 11/17:00 am
SAN
-
GTF
1 stop8h 13m
Alaska Airlines
Sun 11/154:55 pm
GTF
-
SAN
1 stop7h 01m
Alaska Airlines
Deal found 3/30$475
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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.
Wed 6/37:55 am
SAN
-
GTF
2 stops9h 17m
Alaska Airlines
Sat 6/66:52 pm
GTF
-
SAN
1 stop15h 23m
Alaska Airlines
Deal found 3/27$494

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 March 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$373
(Kiwi.com)

One-way from

$137
(Kiwi.com)

Popular in

April

Cheapest in

March

Average price

$280
Provider with most accurate pricing for San Diego-Great Falls flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Great Falls flights.
Search Deals
From San Diego to Great Falls
Search Deals
One-way flight from San Diego to Great Falls
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 30, 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

Price

Cheapest round-trip

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Tue 5/5

5:00 pm-10:29 pm

1 stop4h 29m

Great Falls

Sun 5/10

6:19 pm-11:43 pm

1 stop6h 24m

$347

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Wed 4/29

4:49 pm-5:35 pm

1 stop23h 46m

Great Falls

Sat 5/2

6:15 pm-12:04 pm

1 stop18h 49m

$432

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Mon 4/13

9:08 pm-4:26 pm

2 stops18h 18m

Great Falls

Fri 4/17

5:06 pm-11:59 pm

1 stop7h 53m

$437

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Sun 8/2

6:15 am-12:33 pm

1 stop5h 18m

Great Falls

Sat 8/8

7:00 am-12:13 pm

1 stop6h 13m

$446

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Thu 5/28

11:18 am-6:12 pm

1 stop5h 54m

Great Falls

Tue 6/2

6:52 pm-11:55 am

2 stops18h 03m

$471

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Wed 6/3

7:55 am-6:12 pm

2 stops9h 17m

Great Falls

Sat 6/6

6:52 pm-9:15 am

1 stop15h 23m

$494
Quickest round-trip

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Mon 4/13

5:00 pm-10:29 pm

1 stop4h 29m

Great Falls

Fri 4/17

6:20 pm-11:42 pm

1 stop6h 22m

$495
Cheapest one-way
Quickest one-way

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Fri 4/24

6:15 am-12:27 pm

1 stop5h 12m

$184

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Thu 7/16

9:53 pm-9:34 am

1 stop10h 41m

$191

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Sun 4/26

9:00 pm-10:52 am

1 stop12h 52m

$216

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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 March 30, 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.
Delta
7.9
Good
8,358 reviews

Overall

7.9

Food

7.2

Crew

8.5

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Delta
7.9
Good
8,358 reviews
Delta
7.9
Good
8,358 reviews

Overall

7.9

Food

7.2

Crew

8.5

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
United Airlines
7.4
Good
9,514 reviews
Delta
7.9
Good
8,358 reviews

Overall

7.9

Food

7.2

Crew

8.5

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

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.

  • How long is the flight from San Diego to Great Falls?

    For as low as $347, Delta can have you in Great Falls from San Diego in 4h 29m. Airlines will cover a distance of 1063 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from San Diego to Great Falls round-trip?

    Currently priced at $199, United Airlines will fly you from San Diego to Great Falls and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Delta for as low as $278. United Airlines is 56% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from San Diego to Great Falls that include hotel bookings?

    Yes. In addition to deals on San Diego to Great Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to Great Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Great Falls.

  • Can I find deals for business class flights from San Diego to Great Falls?

    Yes. Cheapflights offers flight deals from San Diego to Great Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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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 March 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$199Average$576FlexibilityNo cancel feeOn-time69%
DeltaCheapest$266Average$383FlexibilityNo cancel feeOn-timeN/A

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