What is the cheapest airline that flies from San Diego to Great Falls?

Alaska Airlines, United Airlines, and Delta are the most popular carriers operating from San Diego to Great Falls

When did momondo last update prices for flights from San Diego Airport to Great Falls Airport?

Prices for flights from San Diego Airport to Great Falls Airport are updated daily.

How many operators does momondo search for flights from San Diego Airport to Great Falls Airport?

As of May 2026, there are 2 operators available to choose from for flights from San Diego Airport to Great Falls Airport.

How old do you have to be to fly from San Diego Airport to Great Falls Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Great Falls Airport.

What documentation or ID do you need to fly to Great Falls Airport?

The required travel and health documents for your Great Falls Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Great Falls Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$207 Cheap Flights from San Diego to Great Falls in 2026

Q: What is the typical price of a round-trip flight between San Diego and Great Falls?

Prices are currently low for flights on this route. Typical prices usually range from $595 to $417. The lowest price recently found on this route was $207.

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Find the cheapest flights from San Diego to Great Falls

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:29 pm - 9:34 am

SAN

GTF

12h 05m

1 stop

10:19 am - 7:31 pm

GTF

SAN

10h 12m

1 stop

$207Multiple Airlines

Thu, Jul 23 - Mon, Jul 27

8:29 pm - 9:34 am

SAN

GTF

12h 05m

1 stop

10:19 am - 3:31 pm

GTF

SAN

30h 12m

2 stops

$244Multiple Airlines

Thu, Jul 23 - Mon, Jul 27

8:29 pm - 9:29 am

SAN

GTF

12h 00m

1 stop

10:19 am - 7:31 pm

GTF

SAN

10h 12m

1 stop

$275Multiple Airlines

Thu, Aug 6 - Mon, Aug 10

4:47 pm - 8:28 pm

SAN

GTF

26h 41m

1 stop

9:18 pm - 3:31 pm

GTF

SAN

19h 13m

1 stop

$280Multiple Airlines

Wed, Aug 5 - Thu, Aug 13

8:29 pm - 9:29 am

SAN

GTF

12h 00m

1 stop

10:19 am - 3:31 pm

GTF

SAN

30h 12m

2 stops

$282Multiple Airlines

Thu, Aug 6 - Mon, Aug 10

4:47 pm - 8:28 pm

SAN

GTF

26h 41m

1 stop

9:18 pm - 9:05 am

GTF

SAN

36h 47m

2 stops

$293Multiple Airlines

Wed, Aug 5 - Thu, Aug 13

8:29 pm - 9:29 am

SAN

GTF

12h 00m

1 stop

9:18 pm - 3:31 pm

GTF

SAN

19h 13m

1 stop

$296Multiple Airlines

Thu, Aug 6 - Sun, Aug 9

8:29 pm - 9:29 am

SAN

GTF

12h 00m

1 stop

9:18 pm - 11:51 pm

GTF

SAN

27h 33m

2 stops

$342Multiple Airlines

Thu, Aug 6 - Sun, Aug 9

8:29 pm - 9:29 am

SAN

GTF

12h 00m

1 stop

9:18 pm - 9:05 am

GTF

SAN

36h 47m

2 stops

$355Multiple Airlines

Thu, Aug 6 - Thu, Aug 13

6:35 am - 1:41 pm

SAN

GTF

6h 06m

1 stop

6:15 am - 12:41 pm

GTF

SAN

7h 26m

1 stop

$411United Airlines

Tue, Jun 9 - Mon, Jun 15

Alaska Airlines flights from San Diego to Great Falls

Our best Alaska Airlines deals on San Diego to Great Falls flight tickets

Alaska Airlines

Jun 9

SAN8:04 pmSan Diego

19h 25m

1 stop

GTF4:29 pmGreat Falls

Jun 15

GTF5:09 pmGreat Falls

15h 55m

2 stops

SAN8:04 amSan Diego

$417

Alaska Airlines

Sep 2

SAN9:11 pmSan Diego

18h 27m

2 stops

GTF4:38 pmGreat Falls

Sep 10

GTF5:19 pmGreat Falls

7h 25m

1 stop

SAN11:44 pmSan Diego

$441

Alaska Airlines

Sep 1

SAN7:44 amSan Diego

7h 54m

2 stops

GTF4:38 pmGreat Falls

Sep 10

GTF5:19 pmGreat Falls

7h 25m

1 stop

SAN11:44 pmSan Diego

$451

Delta flights from San Diego to Great Falls

Our best Delta deals on San Diego to Great Falls flight tickets

Delta

Aug 2

SAN6:15 amSan Diego

5h 22m

1 stop

GTF12:37 pmGreat Falls

Aug 8

GTF6:28 pmGreat Falls

5h 04m

1 stop

SAN10:32 pmSan Diego

$456

Delta

Nov 1

SAN7:00 amSan Diego

9h 43m

2 stops

GTF5:43 pmGreat Falls

Nov 15

GTF5:30 amGreat Falls

10h 06m

2 stops

SAN2:36 pmSan Diego

$467

Delta

Aug 4

SAN6:15 amSan Diego

5h 13m

1 stop

GTF12:28 pmGreat Falls

Aug 11

GTF6:28 pmGreat Falls

6h 22m

1 stop

SAN11:50 pmSan Diego

$502

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Thu 7/23

8:29 pm-9:34 am

1 stop12h 05m

Great Falls

Mon 7/27

10:19 am-7:31 pm

1 stop10h 12m

$207

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Thu 7/23

8:29 pm-9:34 am

1 stop12h 05m

Great Falls

Mon 7/27

10:19 am-3:31 pm

2 stops30h 12m

$244

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Thu 8/6

8:29 pm-9:29 am

1 stop12h 00m

Great Falls

Mon 8/10

10:19 am-7:31 pm

1 stop10h 12m

$275

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Wed 8/5

4:47 pm-8:28 pm

1 stop26h 41m

Great Falls

Thu 8/13

9:18 pm-3:31 pm

1 stop19h 13m

$280

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Thu 8/6

8:29 pm-9:29 am

1 stop12h 00m

Great Falls

Mon 8/10

10:19 am-3:31 pm

2 stops30h 12m

$282

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Wed 8/5

4:47 pm-8:28 pm

1 stop26h 41m

Great Falls

Thu 8/13

9:18 pm-9:05 am

2 stops36h 47m

$293

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Thu 8/6

8:29 pm-9:29 am

1 stop12h 00m

Great Falls

Sun 8/9

9:18 pm-3:31 pm

1 stop19h 13m

$296

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Thu 8/6

8:29 pm-9:29 am

1 stop12h 00m

Great Falls

Sun 8/9

9:18 pm-11:51 pm

2 stops27h 33m

$342

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Thu 8/6

8:29 pm-9:29 am

1 stop12h 00m

Great Falls

Thu 8/13

9:18 pm-9:05 am

2 stops36h 47m

$355

Quickest round-trip

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Tue 6/9

6:35 am-1:41 pm

1 stop6h 06m

Great Falls

Mon 6/15

6:15 am-12:41 pm

1 stop7h 26m

$411

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Diego to Great Falls

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between San Diego and Great Falls?

What is the cheapest month to fly to Great Falls?

The month of September is another great option to travel to Great Falls, with average flight prices from San Diego averaging around $306.

When to book flights from San Diego to Great Falls

Are you open to changing your travel dates? Check out the ideal times to fly from San Diego to Great Falls according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap San Diego to Great Falls (SAN to GTF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to Great Falls

Fastest flight time	4h 25m
Direct flights	None

The fastest flight from San Diego to Great Falls takes 4h 25m

There are no direct flights from San Diego to Great Falls. There are no popular flight routes from San Diego to Great Falls.

Search flight deals

Frequently asked questions about flying from San Diego to Great Falls

How far is San Diego to Great Falls by plane?
There are 1065.8 mi between San Diego and Great Falls. A reasonable flight in good conditions will take 4h 25m.
When did momondo last update prices for flights from San Diego Airport to Great Falls Airport?
Prices for flights from San Diego Airport to Great Falls Airport are updated daily.
How many operators does momondo search for flights from San Diego Airport to Great Falls Airport?
As of May 2026, there are 2 operators available to choose from for flights from San Diego Airport to Great Falls Airport.
How old do you have to be to fly from San Diego Airport to Great Falls Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Great Falls Airport.
What documentation or ID do you need to fly to Great Falls Airport?
The required travel and health documents for your Great Falls Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Great Falls Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from San Diego to Great Falls?
momondo data reveals that the most frequently booked airline on the route from San Diego to Great Falls is Delta, representing 74% of all bookings. The subsequent popular airline is United Airlines at 26%.

Best airlines flying from San Diego to Great Falls

Compare and see reviews for airlines that fly from San Diego to Great Falls with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $199	Free Cancellation	Rating 7.4 9,706 reviews		Search United Airlines flights
Delta	PriceFrom $278	Free Cancellation	Rating 7.9 8,450 reviews		Search Delta flights

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Why should I use momondo to find a flight deal from San Diego to Great Falls?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Diego to Great Falls for you.

Can I find flights from San Diego to Great Falls with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Great Falls from San Diego with this policy.

How can momondo help me find flights from San Diego to Great Falls?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Great Falls from San Diego.

I’m not ready to book a flight from San Diego to Great Falls right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Great Falls from San Diego. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.