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Cheap flights from Great Falls to San Diego from $223

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Great Falls to San Diego departing on 8/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Great Falls to San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:26 pm - 10:06 am
GTF
-
SAN
13h 40m
1 stop
Multiple Airlines Logo
9:00 pm - 10:52 am
SAN
-
GTF
12h 52m
1 stop
$266Multiple Airlines
Thu, Apr 30 - Sun, May 3
Multiple Airlines Logo
9:26 pm - 10:06 am
GTF
-
SAN
13h 40m
1 stop
Multiple Airlines Logo
6:25 am - 10:52 am
SAN
-
GTF
27h 27m
2 stops
$293Multiple Airlines
Thu, Apr 30 - Sun, May 3
Alaska Airlines Logo
6:52 pm - 10:26 pm
GTF
-
SAN
28h 34m
1 stop
Alaska Airlines Logo
3:56 pm - 6:12 pm
SAN
-
GTF
25h 16m
1 stop
$326Alaska Airlines
Sat, May 30 - Tue, Jun 2
Alaska Airlines Logo
6:52 pm - 9:15 am
GTF
-
SAN
15h 23m
1 stop
Alaska Airlines Logo
8:04 pm - 6:12 pm
SAN
-
GTF
21h 08m
1 stop
$362Alaska Airlines
Thu, May 28 - Mon, Jun 1
Delta Logo
5:40 am - 8:45 am
GTF
-
SAN
4h 05m
1 stop
Delta Logo
9:50 am - 5:39 pm
SAN
-
GTF
6h 49m
1 stop
$366Delta
Sat, May 30 - Tue, Jun 2
Alaska Airlines Logo
6:52 pm - 9:15 am
GTF
-
SAN
15h 23m
1 stop
Alaska Airlines Logo
7:50 pm - 6:12 pm
SAN
-
GTF
21h 22m
2 stops
$376Alaska Airlines
Sat, May 30 - Tue, Jun 2
Alaska Airlines Logo
6:52 pm - 9:15 am
GTF
-
SAN
15h 23m
1 stop
Alaska Airlines Logo
8:56 am - 6:12 pm
SAN
-
GTF
8h 16m
2 stops
$381Alaska Airlines
Sat, May 30 - Tue, Jun 2
Alaska Airlines Logo
6:52 pm - 9:15 am
GTF
-
SAN
15h 23m
1 stop
Alaska Airlines Logo
7:50 pm - 6:12 pm
SAN
-
GTF
21h 22m
2 stops
$391Alaska Airlines
Sat, May 30 - Tue, Jun 2
Alaska Airlines Logo
6:52 pm - 11:59 pm
GTF
-
SAN
6h 07m
1 stop
Alaska Airlines Logo
10:29 pm - 6:12 pm
SAN
-
GTF
18h 43m
2 stops
$417Alaska Airlines
Thu, May 28 - Mon, Jun 1
Alaska Airlines Logo
6:52 pm - 9:50 am
GTF
-
SAN
15h 58m
2 stops
Alaska Airlines Logo
7:50 pm - 6:12 pm
SAN
-
GTF
21h 22m
2 stops
$420Alaska Airlines
Sat, May 30 - Tue, Jun 2

Delta flights from Great Falls to San Diego

Our best Delta deals on Great Falls to San Diego flight tickets
Delta
May 30
GTF5:40 amGreat Falls
4h 05m
1 stop
SAN8:45 amSan Diego
Jun 2
SAN9:50 amSan Diego
6h 49m
1 stop
GTF5:39 pmGreat Falls
$366
Delta
Sep 11
GTF6:20 pmGreat Falls
5h 22m
1 stop
SAN10:42 pmSan Diego
Sep 13
SAN9:45 amSan Diego
6h 54m
1 stop
GTF5:39 pmGreat Falls
$446
Delta
Jul 30
GTF5:40 amGreat Falls
4h 01m
1 stop
SAN8:41 amSan Diego
Aug 9
SAN6:15 amSan Diego
5h 18m
1 stop
GTF12:33 pmGreat Falls
$485

Alaska Airlines flights from Great Falls to San Diego

Our best Alaska Airlines deals on Great Falls to San Diego flight tickets
Alaska Airlines
May 30
GTF6:52 pmGreat Falls
28h 34m
1 stop
SAN10:26 pmSan Diego
Jun 2
SAN3:56 pmSan Diego
25h 16m
1 stop
GTF6:12 pmGreat Falls
$326
Alaska Airlines
May 28
GTF6:52 pmGreat Falls
15h 23m
1 stop
SAN9:15 amSan Diego
Jun 1
SAN8:04 pmSan Diego
21h 08m
1 stop
GTF6:12 pmGreat Falls
$362
Alaska Airlines
May 30
GTF6:52 pmGreat Falls
15h 23m
1 stop
SAN9:15 amSan Diego
Jun 2
SAN7:50 pmSan Diego
21h 22m
2 stops
GTF6:12 pmGreat Falls
$376

momondo Fare Finder

 
Customize your flight search to find flights from Great Falls to San Diego 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, momondo users made 832,500 searches. Data last updated April 14, 2026.
Use the filters below to find and compare flights from Great Falls to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Thu 4/30

9:26 pm-10:06 am

1 stop13h 40m

San Diego

Sun 5/3

9:00 pm-10:52 am

1 stop12h 52m

$266

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Thu 4/30

9:26 pm-10:06 am

1 stop13h 40m

San Diego

Sun 5/3

6:25 am-10:52 am

2 stops27h 27m

$293

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Sat 5/30

6:52 pm-10:26 pm

1 stop28h 34m

San Diego

Tue 6/2

3:56 pm-6:12 pm

1 stop25h 16m

$326

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Thu 5/28

6:52 pm-9:15 am

1 stop15h 23m

San Diego

Mon 6/1

8:04 pm-6:12 pm

1 stop21h 08m

$362
Quickest round-trip

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Sat 5/30

5:40 am-8:45 am

1 stop4h 05m

San Diego

Tue 6/2

9:50 am-5:39 pm

1 stop6h 49m

$366

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Sat 5/30

6:52 pm-9:15 am

1 stop15h 23m

San Diego

Tue 6/2

7:50 pm-6:12 pm

2 stops21h 22m

$376

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Sat 5/30

6:52 pm-9:15 am

1 stop15h 23m

San Diego

Tue 6/2

8:56 am-6:12 pm

2 stops8h 16m

$381

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Sat 5/30

6:52 pm-9:15 am

1 stop15h 23m

San Diego

Tue 6/2

7:50 pm-6:12 pm

2 stops21h 22m

$391

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Thu 5/28

6:52 pm-11:59 pm

1 stop6h 07m

San Diego

Mon 6/1

10:29 pm-6:12 pm

2 stops18h 43m

$417

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Sat 5/30

6:52 pm-9:50 am

2 stops15h 58m

San Diego

Tue 6/2

7:50 pm-6:12 pm

2 stops21h 22m

$420

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to San Diego from

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

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

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of October, then departing from Great Falls during the month January is also very affordable. Most momondo users find prices during this month for around $308.

When to book flights from Great Falls to San Diego

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

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

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

Fastest flight time

4h 01m

Direct flights

None
The fastest flight from Great Falls to San Diego takes 4h 01m
There are no direct flights from Great Falls to San Diego. There are no popular flight routes from Great Falls to San Diego.
Search flight deals

Frequently asked questions about flying from Great Falls to San Diego

  • How far is Great Falls to San Diego by plane?

    The distance between Great Falls and San Diego is about 1065.8 mi. In terms of flight time, this usually takes a little over 4h 01m.

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

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Great Falls Airport to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The travel and health documents you'll need for your trip to San Diego Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Diego Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Great Falls to San Diego?

Best airlines flying from Great Falls to San Diego

Compare and see reviews for airlines that fly from Great Falls to San Diego with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $194Free CancellationRating
7.9
8,406 reviews
Search Delta flights

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Coronado
Chula Vista
El Cajon
Julian
National City
Poway
San Ysidro
La Mesa
Imperial Beach
Borrego Springs
Lemon Grove
Alpine
Santee

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Diego from Great Falls.

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

Flights from Great Falls to San Diego with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Great Falls to San Diego flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Great Falls to San Diego now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Diego and let you know when they change.

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