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Cheap flights from Great Falls to San Diego from $203

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 11/4. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Great Falls to San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
5:18 pm - 11:44 pm
GTF
-
SAN
7h 26m
1 stop
Alaska Airlines Logo
6:15 am - 4:38 pm
SAN
-
GTF
9h 23m
1 stop
$362Alaska Airlines
Wed, Aug 26 - Wed, Sep 2
Alaska Airlines Logo
5:18 pm - 8:48 am
GTF
-
SAN
16h 30m
2 stops
Alaska Airlines Logo
7:15 am - 4:38 pm
SAN
-
GTF
8h 23m
1 stop
$379Alaska Airlines
Wed, Aug 26 - Wed, Sep 2
Alaska Airlines Logo
5:18 pm - 10:39 am
GTF
-
SAN
18h 21m
1 stop
Alaska Airlines Logo
4:50 pm - 4:38 pm
SAN
-
GTF
22h 48m
1 stop
$382Alaska Airlines
Fri, Aug 21 - Mon, Aug 24
Multiple Airlines Logo
10:19 am - 8:06 pm
GTF
-
SAN
10h 47m
1 stop
Multiple Airlines Logo
8:51 pm - 9:34 am
SAN
-
GTF
11h 43m
1 stop
$386Multiple Airlines
Mon, Jul 20 - Thu, Jul 30
Alaska Airlines Logo
5:18 pm - 10:39 am
GTF
-
SAN
18h 21m
1 stop
Alaska Airlines Logo
7:59 pm - 4:38 pm
SAN
-
GTF
19h 39m
2 stops
$389Alaska Airlines
Fri, Aug 21 - Mon, Aug 24
Multiple Airlines Logo
10:19 am - 8:06 pm
GTF
-
SAN
10h 47m
1 stop
Multiple Airlines Logo
8:51 pm - 9:34 am
SAN
-
GTF
11h 43m
1 stop
$391Multiple Airlines
Mon, Jul 20 - Thu, Jul 30
Delta Logo
1:15 pm - 10:33 pm
GTF
-
SAN
10h 18m
2 stops
Delta Logo
7:00 am - 5:41 pm
SAN
-
GTF
9h 41m
2 stops
$393Delta
Wed, Sep 30 - Sun, Oct 4
Alaska Airlines Logo
4:57 pm - 11:43 am
GTF
-
SAN
19h 46m
2 stops
Alaska Airlines Logo
6:15 am - 4:17 pm
SAN
-
GTF
9h 02m
1 stop
$394Alaska Airlines
Fri, Nov 6 - Sat, Nov 14
Alaska Airlines Logo
5:18 pm - 10:08 am
GTF
-
SAN
17h 50m
2 stops
Alaska Airlines Logo
9:30 pm - 4:38 pm
SAN
-
GTF
18h 08m
2 stops
$395Alaska Airlines
Fri, Aug 21 - Mon, Aug 24
Alaska Airlines Logo
5:18 pm - 1:28 pm
GTF
-
SAN
21h 10m
2 stops
Alaska Airlines Logo
7:15 am - 4:38 pm
SAN
-
GTF
8h 23m
1 stop
$409Alaska Airlines
Wed, Aug 26 - Wed, Sep 2

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Alaska Airlines flights from Great Falls to San Diego

Our best Alaska Airlines deals on Great Falls to San Diego flight tickets
Alaska Airlines
Aug 26
GTF5:18 pmGreat Falls
7h 26m
1 stop
SAN11:44 pmSan Diego
Sep 2
SAN6:15 amSan Diego
9h 23m
1 stop
GTF4:38 pmGreat Falls
$362
Alaska Airlines
Aug 26
GTF5:18 pmGreat Falls
16h 30m
2 stops
SAN8:48 amSan Diego
Sep 2
SAN7:15 amSan Diego
8h 23m
1 stop
GTF4:38 pmGreat Falls
$379
Alaska Airlines
Aug 21
GTF5:18 pmGreat Falls
18h 21m
1 stop
SAN10:39 amSan Diego
Aug 24
SAN4:50 pmSan Diego
22h 48m
1 stop
GTF4:38 pmGreat Falls
$382

Delta flights from Great Falls to San Diego

Our best Delta deals on Great Falls to San Diego flight tickets
Delta
Sep 30
GTF1:15 pmGreat Falls
10h 18m
2 stops
SAN10:33 pmSan Diego
Oct 4
SAN7:00 amSan Diego
9h 41m
2 stops
GTF5:41 pmGreat Falls
$393
Delta
Aug 26
GTF5:40 amGreat Falls
7h 59m
2 stops
SAN12:39 pmSan Diego
Sep 2
SAN3:00 pmSan Diego
6h 29m
2 stops
GTF10:29 pmGreat Falls
$454
Delta
Sep 30
GTF1:15 pmGreat Falls
10h 18m
2 stops
SAN10:33 pmSan Diego
Oct 4
SAN6:15 amSan Diego
5h 20m
1 stop
GTF12:35 pmGreat Falls
$466

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 July 10, 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
Quickest round-trip

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Wed 8/26

5:18 pm-11:44 pm

1 stop7h 26m

San Diego

Wed 9/2

6:15 am-4:38 pm

1 stop9h 23m

$362

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Wed 8/26

5:18 pm-8:48 am

2 stops16h 30m

San Diego

Wed 9/2

7:15 am-4:38 pm

1 stop8h 23m

$379

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Fri 8/21

5:18 pm-10:39 am

1 stop18h 21m

San Diego

Mon 8/24

4:50 pm-4:38 pm

1 stop22h 48m

$382

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Mon 7/20

10:19 am-8:06 pm

1 stop10h 47m

San Diego

Thu 7/30

8:51 pm-9:34 am

1 stop11h 43m

$386

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Fri 8/21

5:18 pm-10:39 am

1 stop18h 21m

San Diego

Mon 8/24

7:59 pm-4:38 pm

2 stops19h 39m

$389

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Mon 7/20

10:19 am-8:06 pm

1 stop10h 47m

San Diego

Thu 7/30

8:51 pm-9:34 am

1 stop11h 43m

$391

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Wed 9/30

1:15 pm-10:33 pm

2 stops10h 18m

San Diego

Sun 10/4

7:00 am-5:41 pm

2 stops9h 41m

$393

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Fri 11/6

4:57 pm-11:43 am

2 stops19h 46m

San Diego

Sat 11/14

6:15 am-4:17 pm

1 stop9h 02m

$394

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Fri 8/21

5:18 pm-10:08 am

2 stops17h 50m

San Diego

Mon 8/24

9:30 pm-4:38 pm

2 stops18h 08m

$395

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Wed 8/26

5:18 pm-1:28 pm

2 stops21h 10m

San Diego

Wed 9/2

7:15 am-4:38 pm

1 stop8h 23m

$409

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

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 July, then departing from Great Falls during the month June is also very affordable. Most momondo users find prices during this month for around $0.

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

7h 09m

Direct flights

None
The fastest flight from Great Falls to San Diego takes 7h 09m
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 7h 09m.

  • 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
7.8
8,456 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
Chula Vista
Coronado
El Cajon
Julian
National City
La Mesa
Poway
San Ysidro
Imperial Beach
Borrego Springs
Santee
Lemon Grove
Alpine

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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