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Great Falls

$207+ 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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — GTF
Jun 13 — Jun 201
Sat 6/13
Sat 6/20
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 May 14, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/11. 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 7/238:29 pm
SAN
-
GTF
1 stop12h 05m
Multiple Airlines
Mon 7/2710:19 am
GTF
-
SAN
1 stop10h 12m
Multiple Airlines
Deal found 5/11$207
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/68:29 pm
SAN
-
GTF
1 stop12h 00m
Multiple Airlines
Mon 8/1010:19 am
GTF
-
SAN
1 stop10h 12m
Multiple Airlines
Deal found 5/12$275
This Kiwi.com deal was found by Cheapflights users on 5/10. 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.
Wed 8/54:47 pm
SAN
-
GTF
1 stop26h 41m
Multiple Airlines
Thu 8/139:18 pm
GTF
-
SAN
1 stop19h 13m
Multiple Airlines
Deal found 5/10$280
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/68:29 pm
SAN
-
GTF
1 stop12h 00m
Multiple Airlines
Sun 8/99:18 pm
GTF
-
SAN
1 stop19h 13m
Multiple Airlines
Deal found 5/12$296
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 8/68:29 pm
SAN
-
GTF
1 stop12h 00m
Multiple Airlines
Thu 8/139:18 pm
GTF
-
SAN
2 stops36h 47m
Multiple Airlines
Deal found 5/10$355
This United Airlines deal was found by Cheapflights users on 5/10. 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.
Tue 6/96:35 am
SAN
-
GTF
1 stop6h 06m
United Airlines
Mon 6/156:15 am
GTF
-
SAN
1 stop7h 26m
United Airlines
Deal found 5/10$411
This Alaska Airlines deal was found by Cheapflights users on 5/10. 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 6/98:04 pm
SAN
-
GTF
1 stop19h 25m
Alaska Airlines
Mon 6/155:09 pm
GTF
-
SAN
2 stops15h 55m
Alaska Airlines
Deal found 5/10$417
This Alaska Airlines deal was found by Cheapflights users on 5/13. 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.
Tue 12/15:00 pm
SAN
-
GTF
2 stops22h 13m
Alaska Airlines
Tue 12/154:55 pm
GTF
-
SAN
2 stops20h 12m
Alaska Airlines
Deal found 5/13$437

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 May 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$207
(Kiwi.com)

Popular in

April

Cheapest in

September

Average price

$550
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
Highest demand for flights based on searches. 28% potential increase in price ($224 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 14, 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 6/9

8:04 pm-4:29 pm

1 stop19h 25m

Great Falls

Mon 6/15

5:09 pm-8:04 am

2 stops15h 55m

$417

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Sun 11/1

9:45 am-5:43 pm

1 stop6h 58m

Great Falls

Sun 11/15

5:30 am-9:06 am

1 stop4h 36m

$456

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Tue 9/1

7:15 am-4:38 pm

1 stop8h 23m

Great Falls

Wed 9/9

5:19 pm-11:44 pm

1 stop7h 25m

$456
Quickest round-trip

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Wed 9/2

5:00 pm-10:44 pm

1 stop4h 44m

Great Falls

Tue 9/8

6:20 pm-10:42 pm

1 stop5h 22m

$456

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Sun 8/2

9:46 am-5:42 pm

1 stop6h 56m

Great Falls

Sat 8/8

6:28 pm-10:32 pm

1 stop5h 04m

$456

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Thu 8/6

6:15 am-5:42 pm

2 stops10h 27m

Great Falls

Sun 8/9

5:40 am-8:41 am

1 stop4h 01m

$486

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Sun 11/1

6:15 am-4:17 pm

1 stop9h 02m

Great Falls

Sun 11/15

4:57 pm-12:09 pm

2 stops20h 12m

$507
Cheapest one-way

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Tue 5/19

7:20 pm-6:12 pm

2 stops21h 52m

$369

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Tue 5/19

9:59 pm-8:17 pm

3 stops45h 18m

$420

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Wed 5/20

7:34 pm-8:17 pm

3 stops23h 43m

$449

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

Showing 1-10 of 12 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 May.
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.

Cheapflights Insights

Everything you need to know about your flight from San Diego to Great Falls

How much does it cost to fly round-trip 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 May 14, 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
8,452 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Comfort

7.8

Overall

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
8,452 reviews
Delta
7.9
Good
8,452 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Comfort

7.8

Overall

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
9,711 reviews
Delta
7.9
Good
8,452 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Comfort

7.8

Overall

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 $456, Alaska Airlines can have you in Great Falls from San Diego in 6h 58m. 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 64% 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 May 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$199Average$576FlexibilityNo cancel feeOn-time69%
DeltaCheapest$278Average$456FlexibilityNo cancel feeOn-timeN/A

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