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Cheap flights from Great Falls to San Diego from $163

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 3/28. 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
10:20 am - 1:13 pm
GTF
-
SAN
27h 53m
1 stop
Multiple Airlines Logo
8:39 pm - 9:30 am
SAN
-
GTF
11h 51m
1 stop
$239Multiple Airlines
Mon, Mar 16 - Thu, Mar 19
Alaska Airlines Logo
6:28 pm - 11:44 pm
GTF
-
SAN
6h 16m
1 stop
Alaska Airlines Logo
8:39 am - 4:17 pm
SAN
-
GTF
6h 38m
1 stop
$266Alaska Airlines
Sat, Mar 14 - Tue, Mar 17
Multiple Airlines Logo
10:20 am - 2:31 pm
GTF
-
SAN
29h 11m
2 stops
Multiple Airlines Logo
8:39 pm - 9:30 am
SAN
-
GTF
11h 51m
1 stop
$267Multiple Airlines
Mon, Mar 16 - Thu, Mar 19
Alaska Airlines Logo
4:57 pm - 9:34 am
GTF
-
SAN
17h 37m
2 stops
Alaska Airlines Logo
8:39 am - 5:48 pm
SAN
-
GTF
8h 09m
1 stop
$281Alaska Airlines
Mon, Mar 9 - Wed, Mar 11
Alaska Airlines Logo
4:57 pm - 9:49 pm
GTF
-
SAN
5h 52m
1 stop
Alaska Airlines Logo
8:39 am - 5:48 pm
SAN
-
GTF
8h 09m
1 stop
$288Alaska Airlines
Mon, Mar 9 - Wed, Mar 11
Delta Logo
1:05 pm - 10:27 pm
GTF
-
SAN
10h 22m
2 stops
Delta Logo
7:30 am - 5:42 pm
SAN
-
GTF
9h 12m
2 stops
$303Delta
Wed, Mar 11 - Mon, Mar 16
United Airlines Logo
2:30 pm - 9:03 pm
GTF
-
SAN
7h 33m
1 stop
United Airlines Logo
6:30 am - 1:33 pm
SAN
-
GTF
6h 03m
1 stop
$305United Airlines
Sun, Mar 8 - Wed, Mar 11
Alaska Airlines Logo
6:15 pm - 11:59 pm
GTF
-
SAN
6h 44m
1 stop
Alaska Airlines Logo
10:51 am - 5:35 pm
SAN
-
GTF
5h 44m
1 stop
$310Alaska Airlines
Mon, Apr 27 - Thu, Apr 30
Alaska Airlines Logo
4:57 pm - 8:27 pm
GTF
-
SAN
28h 30m
2 stops
Alaska Airlines Logo
10:15 am - 4:17 pm
SAN
-
GTF
29h 02m
2 stops
$311Alaska Airlines
Mon, Mar 9 - Wed, Mar 11
Alaska Airlines Logo
6:28 pm - 8:32 am
GTF
-
SAN
15h 04m
2 stops
Alaska Airlines Logo
8:39 am - 4:17 pm
SAN
-
GTF
6h 38m
1 stop
$312Alaska Airlines
Sat, Mar 14 - Tue, Mar 17

Delta flights from Great Falls to San Diego

Our best Delta deals on Great Falls to San Diego flight tickets
Delta
Mar 11
GTF1:05 pmGreat Falls
10h 22m
2 stops
SAN10:27 pmSan Diego
Mar 16
SAN7:30 amSan Diego
9h 12m
2 stops
GTF5:42 pmGreat Falls
$303
Delta
Mar 11
GTF6:22 pmGreat Falls
6h 26m
1 stop
SAN11:48 pmSan Diego
Mar 16
SAN7:30 amSan Diego
9h 12m
2 stops
GTF5:42 pmGreat Falls
$324
Delta
Mar 11
GTF6:22 pmGreat Falls
6h 26m
1 stop
SAN11:48 pmSan Diego
Mar 14
SAN6:15 amSan Diego
5h 09m
1 stop
GTF12:24 pmGreat Falls
$326

United Airlines flights from Great Falls to San Diego

Our best United Airlines deals on Great Falls to San Diego flight tickets
United Airlines
Mar 8
GTF2:30 pmGreat Falls
7h 33m
1 stop
SAN9:03 pmSan Diego
Mar 11
SAN6:30 amSan Diego
6h 03m
1 stop
GTF1:33 pmGreat Falls
$305
United Airlines
Feb 17
GTF2:25 pmGreat Falls
28h 15m
1 stop
SAN5:40 pmSan Diego
Feb 20
SAN6:55 pmSan Diego
25h 38m
1 stop
GTF9:33 pmGreat Falls
$814
United Airlines
Feb 17
GTF6:25 amGreat Falls
33h 24m
2 stops
SAN2:49 pmSan Diego
Feb 20
SAN4:10 pmSan Diego
28h 23m
1 stop
GTF9:33 pmGreat Falls
$820

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 February 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

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Mon 3/16

10:20 am-1:13 pm

1 stop27h 53m

San Diego

Thu 3/19

8:39 pm-9:30 am

1 stop11h 51m

$239

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Sat 3/14

6:28 pm-11:44 pm

1 stop6h 16m

San Diego

Tue 3/17

8:39 am-4:17 pm

1 stop6h 38m

$266

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Mon 3/16

10:20 am-2:31 pm

2 stops29h 11m

San Diego

Thu 3/19

8:39 pm-9:30 am

1 stop11h 51m

$267

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Mon 3/9

4:57 pm-9:34 am

2 stops17h 37m

San Diego

Wed 3/11

8:39 am-5:48 pm

1 stop8h 09m

$281

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Mon 3/9

4:57 pm-9:49 pm

1 stop5h 52m

San Diego

Wed 3/11

8:39 am-5:48 pm

1 stop8h 09m

$288

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Wed 3/11

1:05 pm-10:27 pm

2 stops10h 22m

San Diego

Mon 3/16

7:30 am-5:42 pm

2 stops9h 12m

$303

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Sun 3/8

2:30 pm-9:03 pm

1 stop7h 33m

San Diego

Wed 3/11

6:30 am-1:33 pm

1 stop6h 03m

$305

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Mon 4/27

6:15 pm-11:59 pm

1 stop6h 44m

San Diego

Thu 4/30

10:51 am-5:35 pm

1 stop5h 44m

$310

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Mon 3/9

4:57 pm-8:27 pm

2 stops28h 30m

San Diego

Wed 3/11

10:15 am-4:17 pm

2 stops29h 02m

$311

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Sat 3/14

6:28 pm-8:32 am

2 stops15h 04m

San Diego

Tue 3/17

8:39 am-4:17 pm

1 stop6h 38m

$312

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

7h 26m

Direct flights

None
The fastest flight from Great Falls to San Diego takes 7h 26m
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 7h 26m.

  • 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
8,203 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
Poway
National City
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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