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

United Airlines, Delta, and Alaska Airlines 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 June 2026, there is 1 operator 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.

$227 Cheap Flights from San Diego to Great Falls in 2026

Discover deals from 900+ travel sites with momondo.

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.

6:15 am - 4:35 pm

SAN

GTF

9h 20m

1 stop

4:57 pm - 3:50 pm

GTF

SAN

23h 53m

1 stop

$352Alaska Airlines

Thu, Oct 29 - Mon, Nov 2

9:08 am - 4:35 pm

SAN

GTF

6h 27m

1 stop

4:57 pm - 8:06 pm

GTF

SAN

28h 09m

1 stop

$372Alaska Airlines

Thu, Oct 29 - Mon, Nov 2

11:07 am - 4:35 pm

SAN

GTF

28h 28m

1 stop

4:57 pm - 1:36 pm

GTF

SAN

21h 39m

2 stops

$389Alaska Airlines

Thu, Oct 29 - Mon, Nov 2

6:25 pm - 4:35 pm

SAN

GTF

21h 10m

1 stop

4:57 pm - 1:36 pm

GTF

SAN

21h 39m

2 stops

$399Alaska Airlines

Thu, Oct 29 - Mon, Nov 2

7:00 am - 5:43 pm

SAN

GTF

9h 43m

2 stops

5:30 am - 2:36 pm

GTF

SAN

10h 06m

2 stops

$403Delta

Sun, Nov 1 - Sun, Nov 15

9:59 pm - 4:13 pm

SAN

GTF

17h 14m

2 stops

4:55 pm - 7:43 am

GTF

SAN

15h 48m

2 stops

$410Alaska Airlines

Tue, Dec 1 - Tue, Dec 15

9:15 am - 4:17 pm

SAN

GTF

6h 02m

1 stop

4:57 pm - 5:47 pm

GTF

SAN

25h 50m

1 stop

$415Alaska Airlines

Sat, Nov 7 - Tue, Nov 10

4:50 pm - 4:13 pm

SAN

GTF

22h 23m

1 stop

4:55 pm - 7:43 am

GTF

SAN

15h 48m

2 stops

$430Alaska Airlines

Tue, Dec 1 - Tue, Dec 15

7:07 am - 4:17 pm

SAN

GTF

8h 10m

2 stops

4:57 pm - 10:13 am

GTF

SAN

18h 16m

1 stop

$434Alaska Airlines

Sat, Nov 7 - Tue, Nov 10

5:00 pm - 10:53 pm

SAN

GTF

4h 53m

1 stop

6:20 pm - 11:47 pm

GTF

SAN

6h 27m

1 stop

$440Delta

Sun, Nov 1 - Sun, Nov 15

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Delta flights from San Diego to Great Falls

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

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

$403

Delta

Nov 1

SAN5:00 pmSan Diego

4h 53m

1 stop

GTF10:53 pmGreat Falls

Nov 15

GTF6:20 pmGreat Falls

6h 27m

1 stop

SAN11:47 pmSan Diego

$440

Delta

Nov 1

SAN5:00 pmSan Diego

4h 53m

1 stop

GTF10:53 pmGreat Falls

Nov 15

GTF1:10 pmGreat Falls

10h 39m

2 stops

SAN10:49 pmSan Diego

$446

Alaska Airlines flights from San Diego to Great Falls

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

Alaska Airlines

Oct 29

SAN6:15 amSan Diego

9h 20m

1 stop

GTF4:35 pmGreat Falls

Nov 2

GTF4:57 pmGreat Falls

23h 53m

1 stop

SAN3:50 pmSan Diego

$352

Alaska Airlines

Oct 29

SAN9:08 amSan Diego

6h 27m

1 stop

GTF4:35 pmGreat Falls

Nov 2

GTF4:57 pmGreat Falls

28h 09m

1 stop

SAN8:06 pmSan Diego

$372

Alaska Airlines

Oct 29

SAN11:07 amSan Diego

28h 28m

1 stop

GTF4:35 pmGreat Falls

Nov 2

GTF4:57 pmGreat Falls

21h 39m

2 stops

SAN1:36 pmSan Diego

$389

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Thu 10/29

6:15 am-4:35 pm

1 stop9h 20m

Great Falls

Mon 11/2

4:57 pm-3:50 pm

1 stop23h 53m

$352

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Thu 10/29

9:08 am-4:35 pm

1 stop6h 27m

Great Falls

Mon 11/2

4:57 pm-8:06 pm

1 stop28h 09m

$372

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Thu 10/29

11:07 am-4:35 pm

1 stop28h 28m

Great Falls

Mon 11/2

4:57 pm-1:36 pm

2 stops21h 39m

$389

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Thu 10/29

6:25 pm-4:35 pm

1 stop21h 10m

Great Falls

Mon 11/2

4:57 pm-1:36 pm

2 stops21h 39m

$399

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Sun 11/1

7:00 am-5:43 pm

2 stops9h 43m

Great Falls

Sun 11/15

5:30 am-2:36 pm

2 stops10h 06m

$403

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Tue 12/1

9:59 pm-4:13 pm

2 stops17h 14m

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-5:47 pm

1 stop25h 50m

$415

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Tue 12/1

4:50 pm-4:13 pm

1 stop22h 23m

Great Falls

Tue 12/15

4:55 pm-7:43 am

2 stops15h 48m

$430

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Sat 11/7

7:07 am-4:17 pm

2 stops8h 10m

Great Falls

Tue 11/10

4:57 pm-10:13 am

1 stop18h 16m

$434

Quickest round-trip

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Sun 11/1

5:00 pm-10:53 pm

1 stop4h 53m

Great Falls

Sun 11/15

6:20 pm-11:47 pm

1 stop6h 27m

$440

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 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 $313.

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 38m
Direct flights	None

The fastest flight from San Diego to Great Falls takes 4h 38m

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 38m.
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 June 2026, there is 1 operator 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 100% of all bookings.

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
Delta	PriceFrom $278	Free Cancellation	Rating 7.8 8,449 reviews		Search Delta flights

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Why use momondo?

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.