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Cheap flights from Great Falls to San Diego from $117

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 3/9. 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.
Alaska Airlines Logo
6:15 pm - 6:41 pm
GTF
-
SAN
25h 26m
1 stop
Alaska Airlines Logo
8:35 pm - 5:35 pm
SAN
-
GTF
20h 00m
1 stop
$232Alaska Airlines
Thu, Apr 30 - Mon, May 4
United Airlines Logo
2:30 pm - 9:22 pm
GTF
-
SAN
7h 52m
1 stop
United Airlines Logo
6:32 am - 1:31 pm
SAN
-
GTF
5h 59m
1 stop
$266United Airlines
Wed, Apr 22 - Sat, Apr 25
Alaska Airlines Logo
6:15 pm - 11:59 pm
GTF
-
SAN
6h 44m
1 stop
Alaska Airlines Logo
6:15 am - 5:35 pm
SAN
-
GTF
10h 20m
1 stop
$272Alaska Airlines
Thu, Apr 30 - Sun, May 3
Alaska Airlines Logo
6:15 pm - 8:10 am
GTF
-
SAN
14h 55m
2 stops
Alaska Airlines Logo
10:51 am - 5:35 pm
SAN
-
GTF
5h 44m
1 stop
$329Alaska Airlines
Wed, Apr 22 - Sat, Apr 25
Delta Logo
6:22 pm - 9:55 pm
GTF
-
SAN
4h 33m
1 stop
Delta Logo
6:15 am - 12:27 pm
SAN
-
GTF
5h 12m
1 stop
$348Delta
Sat, Apr 11 - Sun, Apr 19
Multiple Airlines Logo
10:19 am - 6:37 pm
GTF
-
SAN
9h 18m
1 stop
Multiple Airlines Logo
9:59 pm - 9:29 am
SAN
-
GTF
10h 30m
1 stop
$354Multiple Airlines
Fri, Jul 3 - Sun, Jul 5
Delta Logo
6:22 pm - 11:48 pm
GTF
-
SAN
6h 26m
1 stop
Delta Logo
6:15 am - 12:27 pm
SAN
-
GTF
5h 12m
1 stop
$360Delta
Sun, Apr 12 - Sun, Apr 19
Alaska Airlines Logo
6:15 pm - 8:10 am
GTF
-
SAN
14h 55m
2 stops
Alaska Airlines Logo
7:00 am - 5:35 pm
SAN
-
GTF
9h 35m
2 stops
$377Alaska Airlines
Wed, Apr 22 - Sat, Apr 25
Alaska Airlines Logo
6:15 pm - 11:59 pm
GTF
-
SAN
6h 44m
1 stop
Alaska Airlines Logo
7:00 am - 5:35 pm
SAN
-
GTF
9h 35m
2 stops
$379Alaska Airlines
Thu, Apr 30 - Mon, May 4
United Airlines Logo
6:15 am - 12:41 pm
GTF
-
SAN
7h 26m
1 stop
United Airlines Logo
6:35 am - 1:41 pm
SAN
-
GTF
6h 06m
1 stop
$386United Airlines
Sat, Jun 6 - Tue, Jun 9

Alaska Airlines flights from Great Falls to San Diego

Our best Alaska Airlines deals on Great Falls to San Diego flight tickets
Alaska Airlines
Apr 30
GTF6:15 pmGreat Falls
25h 26m
1 stop
SAN6:41 pmSan Diego
May 4
SAN8:35 pmSan Diego
20h 00m
1 stop
GTF5:35 pmGreat Falls
$232
Alaska Airlines
Apr 17
GTF5:06 pmGreat Falls
27h 41m
1 stop
SAN7:47 pmSan Diego
Apr 22
SAN7:35 pmSan Diego
21h 00m
1 stop
GTF5:35 pmGreat Falls
$252
Alaska Airlines
Apr 20
GTF5:06 pmGreat Falls
6h 32m
1 stop
SAN10:38 pmSan Diego
Apr 28
SAN10:51 amSan Diego
5h 44m
1 stop
GTF5:35 pmGreat Falls
$268

United Airlines flights from Great Falls to San Diego

Our best United Airlines deals on Great Falls to San Diego flight tickets
United Airlines
Apr 22
GTF2:30 pmGreat Falls
7h 52m
1 stop
SAN9:22 pmSan Diego
Apr 25
SAN6:32 amSan Diego
5h 59m
1 stop
GTF1:31 pmGreat Falls
$266
United Airlines
Jun 6
GTF6:15 amGreat Falls
7h 26m
1 stop
SAN12:41 pmSan Diego
Jun 9
SAN6:35 amSan Diego
6h 06m
1 stop
GTF1:41 pmGreat Falls
$386
United Airlines
Apr 11
GTF6:15 amGreat Falls
14h 57m
2 stops
SAN8:12 pmSan Diego
Apr 19
SAN6:32 amSan Diego
5h 59m
1 stop
GTF1:31 pmGreat Falls
$438

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 March 3, 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

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Thu 4/30

6:15 pm-6:41 pm

1 stop25h 26m

San Diego

Mon 5/4

8:35 pm-5:35 pm

1 stop20h 00m

$232

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Wed 4/22

2:30 pm-9:22 pm

1 stop7h 52m

San Diego

Sat 4/25

6:32 am-1:31 pm

1 stop5h 59m

$266

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Thu 4/30

6:15 pm-11:59 pm

1 stop6h 44m

San Diego

Sun 5/3

6:15 am-5:35 pm

1 stop10h 20m

$272

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Wed 4/22

6:15 pm-8:10 am

2 stops14h 55m

San Diego

Sat 4/25

10:51 am-5:35 pm

1 stop5h 44m

$329

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Sat 4/11

6:22 pm-9:55 pm

1 stop4h 33m

San Diego

Sun 4/19

6:15 am-12:27 pm

1 stop5h 12m

$348

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Fri 7/3

10:19 am-6:37 pm

1 stop9h 18m

San Diego

Sun 7/5

9:59 pm-9:29 am

1 stop10h 30m

$354

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Sun 4/12

6:22 pm-11:48 pm

1 stop6h 26m

San Diego

Sun 4/19

6:15 am-12:27 pm

1 stop5h 12m

$360

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Wed 4/22

6:15 pm-8:10 am

2 stops14h 55m

San Diego

Sat 4/25

7:00 am-5:35 pm

2 stops9h 35m

$377

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Thu 4/30

6:15 pm-11:59 pm

1 stop6h 44m

San Diego

Mon 5/4

7:00 am-5:35 pm

2 stops9h 35m

$379

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Sat 6/6

6:15 am-12:41 pm

1 stop7h 26m

San Diego

Tue 6/9

6:35 am-1:41 pm

1 stop6h 06m

$386

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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

6h 24m

Direct flights

None
The fastest flight from Great Falls to San Diego takes 6h 24m
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

  • 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 6h 24m.

  • 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
8,242 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
Imperial Beach
San Ysidro
Borrego Springs
La Mesa
Alpine
Lemon Grove
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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