Cheap flights from Great Falls to San Diego from $130

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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

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
6:28 pm - 11:44 pm
GTF
-
SAN
6h 16m
1 stop
Alaska Airlines Logo
8:26 pm - 4:17 pm
SAN
-
GTF
18h 51m
1 stop
$234Alaska Airlines
Sat, Feb 28 - Mon, Mar 2
Alaska Airlines Logo
4:57 pm - 11:03 pm
GTF
-
SAN
7h 06m
1 stop
Alaska Airlines Logo
8:26 pm - 4:17 pm
SAN
-
GTF
18h 51m
1 stop
$244Alaska Airlines
Thu, Feb 26 - Mon, Mar 2
Delta Logo
6:20 pm - 12:45 pm
GTF
-
SAN
19h 25m
2 stops
Delta Logo
9:50 am - 5:33 pm
SAN
-
GTF
6h 43m
1 stop
$259Delta
Thu, Feb 26 - Tue, Mar 3
Delta Logo
1:15 pm - 10:49 pm
GTF
-
SAN
10h 34m
2 stops
Delta Logo
5:00 pm - 10:29 pm
SAN
-
GTF
4h 29m
1 stop
$268Delta
Sat, Feb 28 - Tue, Mar 3
Delta Logo
1:15 pm - 10:49 pm
GTF
-
SAN
10h 34m
2 stops
Delta Logo
6:20 am - 5:33 pm
SAN
-
GTF
10h 13m
2 stops
$273Delta
Sat, Feb 28 - Tue, Mar 3
Alaska Airlines Logo
4:57 pm - 6:30 pm
GTF
-
SAN
26h 33m
1 stop
Alaska Airlines Logo
8:26 pm - 4:17 pm
SAN
-
GTF
18h 51m
1 stop
$283Alaska Airlines
Fri, Feb 27 - Mon, Mar 2
Alaska Airlines Logo
4:57 pm - 8:27 pm
GTF
-
SAN
28h 30m
2 stops
Alaska Airlines Logo
3:07 pm - 4:17 pm
SAN
-
GTF
24h 10m
2 stops
$289Alaska Airlines
Fri, Feb 20 - Mon, Feb 23
Alaska Airlines Logo
4:57 pm - 11:03 pm
GTF
-
SAN
7h 06m
1 stop
Alaska Airlines Logo
6:42 pm - 4:17 pm
SAN
-
GTF
20h 35m
2 stops
$294Alaska Airlines
Fri, Feb 20 - Mon, Feb 23
Alaska Airlines Logo
4:57 pm - 11:03 pm
GTF
-
SAN
7h 06m
1 stop
Alaska Airlines Logo
8:59 pm - 4:17 pm
SAN
-
GTF
18h 18m
2 stops
$320Alaska Airlines
Fri, Mar 13 - Mon, Mar 16
Delta Logo
6:20 pm - 11:42 pm
GTF
-
SAN
6h 22m
1 stop
Delta Logo
5:00 pm - 10:44 pm
SAN
-
GTF
4h 44m
1 stop
$326Delta
Wed, May 20 - Sun, May 31

Delta flights from Great Falls to San Diego

Our best Delta deals on Great Falls to San Diego flight tickets
Delta
Feb 26
GTF6:20 pmGreat Falls
19h 25m
2 stops
SAN12:45 pmSan Diego
Mar 3
SAN9:50 amSan Diego
6h 43m
1 stop
GTF5:33 pmGreat Falls
$259
Delta
Feb 28
GTF1:15 pmGreat Falls
10h 34m
2 stops
SAN10:49 pmSan Diego
Mar 3
SAN5:00 pmSan Diego
4h 29m
1 stop
GTF10:29 pmGreat Falls
$268
Delta
Feb 28
GTF1:15 pmGreat Falls
10h 34m
2 stops
SAN10:49 pmSan Diego
Mar 3
SAN6:20 amSan Diego
10h 13m
2 stops
GTF5:33 pmGreat Falls
$273

Alaska Airlines flights from Great Falls to San Diego

Our best Alaska Airlines deals on Great Falls to San Diego flight tickets
Alaska Airlines
Feb 28
GTF6:28 pmGreat Falls
6h 16m
1 stop
SAN11:44 pmSan Diego
Mar 2
SAN8:26 pmSan Diego
18h 51m
1 stop
GTF4:17 pmGreat Falls
$234
Alaska Airlines
Feb 26
GTF4:57 pmGreat Falls
7h 06m
1 stop
SAN11:03 pmSan Diego
Mar 2
SAN8:26 pmSan Diego
18h 51m
1 stop
GTF4:17 pmGreat Falls
$244
Alaska Airlines
Feb 27
GTF4:57 pmGreat Falls
7h 06m
1 stop
SAN11:03 pmSan Diego
Mar 3
SAN8:39 amSan Diego
6h 38m
1 stop
GTF4:17 pmGreat Falls
$283

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 January 23, 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

Sat 2/28

6:28 pm-11:44 pm

1 stop6h 16m

San Diego

Mon 3/2

8:26 pm-4:17 pm

1 stop18h 51m

$234

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Thu 2/26

4:57 pm-11:03 pm

1 stop7h 06m

San Diego

Mon 3/2

8:26 pm-4:17 pm

1 stop18h 51m

$244

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Thu 2/26

6:20 pm-12:45 pm

2 stops19h 25m

San Diego

Tue 3/3

9:50 am-5:33 pm

1 stop6h 43m

$259

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Sat 2/28

1:15 pm-10:49 pm

2 stops10h 34m

San Diego

Tue 3/3

5:00 pm-10:29 pm

1 stop4h 29m

$268

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Sat 2/28

1:15 pm-10:49 pm

2 stops10h 34m

San Diego

Tue 3/3

6:20 am-5:33 pm

2 stops10h 13m

$273

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Fri 2/27

4:57 pm-6:30 pm

1 stop26h 33m

San Diego

Mon 3/2

8:26 pm-4:17 pm

1 stop18h 51m

$283

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Fri 2/20

4:57 pm-8:27 pm

2 stops28h 30m

San Diego

Mon 2/23

3:07 pm-4:17 pm

2 stops24h 10m

$289

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Fri 2/20

4:57 pm-11:03 pm

1 stop7h 06m

San Diego

Mon 2/23

6:42 pm-4:17 pm

2 stops20h 35m

$294

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Fri 3/13

4:57 pm-11:03 pm

1 stop7h 06m

San Diego

Mon 3/16

8:59 pm-4:17 pm

2 stops18h 18m

$320

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Wed 5/20

6:20 pm-11:42 pm

1 stop6h 22m

San Diego

Sun 5/31

5:00 pm-10:44 pm

1 stop4h 44m

$326

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
1
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 typical price of a round-trip flight between Great Falls and San Diego?

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 22m

Direct flights

None
The fastest flight from Great Falls to San Diego takes 6h 22m
There are no direct flights from Great Falls to San Diego. There are no popular flight routes 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 6h 22m.

  • 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
8,093 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.

An easier way to manage your San Diego trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 2/22
Sun 3/1

Find better results for your trip to the United States