Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Great Falls to San Diego from $342

This is the cheapest round-trip 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 8/26. 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
2:50 pm - 4:38 pm
SAN
-
GTF
24h 48m
1 stop
$342Alaska Airlines
Wed, Aug 26 - Wed, Sep 2
Alaska Airlines Logo
5:18 pm - 1:19 pm
GTF
-
SAN
21h 01m
1 stop
Alaska Airlines Logo
8:45 pm - 4:38 pm
SAN
-
GTF
18h 53m
1 stop
$352Alaska Airlines
Tue, Aug 25 - Sat, Aug 29
Delta Logo
1:10 pm - 10:49 pm
GTF
-
SAN
10h 39m
2 stops
Delta Logo
7:00 am - 5:43 pm
SAN
-
GTF
9h 43m
2 stops
$353Delta
Tue, Oct 20 - Sat, Oct 24
Alaska Airlines Logo
5:18 pm - 11:44 pm
GTF
-
SAN
7h 26m
1 stop
Alaska Airlines Logo
2:50 pm - 4:38 pm
SAN
-
GTF
24h 48m
1 stop
$362Alaska Airlines
Wed, Aug 26 - Wed, Sep 2
Alaska Airlines Logo
5:18 pm - 10:08 am
GTF
-
SAN
17h 50m
2 stops
Alaska Airlines Logo
2:50 pm - 4:38 pm
SAN
-
GTF
24h 48m
1 stop
$374Alaska Airlines
Wed, Aug 26 - Wed, Sep 2
Alaska Airlines Logo
5:15 pm - 10:58 pm
GTF
-
SAN
6h 43m
1 stop
Alaska Airlines Logo
9:08 am - 4:35 pm
SAN
-
GTF
6h 27m
1 stop
$376Alaska Airlines
Sat, Oct 24 - Tue, Oct 27
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
$378Delta
Wed, Sep 30 - Sun, Oct 4
Alaska Airlines Logo
5:19 pm - 11:45 am
GTF
-
SAN
19h 26m
1 stop
Alaska Airlines Logo
6:15 am - 4:39 pm
SAN
-
GTF
9h 24m
1 stop
$382Alaska Airlines
Fri, Sep 11 - Sun, Sep 13
Alaska Airlines Logo
5:18 pm - 8:25 am
GTF
-
SAN
16h 07m
2 stops
Alaska Airlines Logo
2:50 pm - 4:38 pm
SAN
-
GTF
24h 48m
1 stop
$386Alaska Airlines
Wed, Aug 26 - Wed, Sep 2
Alaska Airlines Logo
5:18 pm - 12:20 pm
GTF
-
SAN
20h 02m
2 stops
Alaska Airlines Logo
8:45 pm - 4:38 pm
SAN
-
GTF
18h 53m
1 stop
$389Alaska Airlines
Tue, Aug 25 - Sat, Aug 29

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.
Search flight deals

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
SAN2:50 pmSan Diego
24h 48m
1 stop
GTF4:38 pmGreat Falls
$342
Alaska Airlines
Aug 25
GTF5:18 pmGreat Falls
21h 01m
1 stop
SAN1:19 pmSan Diego
Aug 29
SAN8:45 pmSan Diego
18h 53m
1 stop
GTF4:38 pmGreat Falls
$352
Alaska Airlines
Aug 26
GTF5:18 pmGreat Falls
7h 26m
1 stop
SAN11:44 pmSan Diego
Sep 2
SAN2:50 pmSan Diego
24h 48m
1 stop
GTF4:38 pmGreat Falls
$362

United Airlines flights from Great Falls to San Diego

Our best United Airlines deals on Great Falls to San Diego flight tickets
United Airlines
Sep 30
GTF2:37 pmGreat Falls
7h 02m
1 stop
SAN8:39 pmSan Diego
Oct 4
SAN7:00 amSan Diego
5h 41m
1 stop
GTF1:41 pmGreat Falls
$506
United Airlines
Jul 13
GTF6:15 amGreat Falls
13h 24m
2 stops
SAN6:39 pmSan Diego
Jul 17
SAN6:35 amSan Diego
6h 06m
1 stop
GTF1:41 pmGreat Falls
$845
United Airlines
Jul 2
GTF6:15 amGreat Falls
7h 26m
1 stop
SAN12:41 pmSan Diego
Jul 5
SAN6:30 amSan Diego
6h 11m
1 stop
GTF1:41 pmGreat Falls
$1,024

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 June 28, 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

Wed 8/26

5:18 pm-11:44 pm

1 stop7h 26m

San Diego

Wed 9/2

2:50 pm-4:38 pm

1 stop24h 48m

$342

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Tue 8/25

5:18 pm-1:19 pm

1 stop21h 01m

San Diego

Sat 8/29

8:45 pm-4:38 pm

1 stop18h 53m

$352

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Tue 10/20

1:10 pm-10:49 pm

2 stops10h 39m

San Diego

Sat 10/24

7:00 am-5:43 pm

2 stops9h 43m

$353

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

2:50 pm-4:38 pm

1 stop24h 48m

$362

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Wed 8/26

5:18 pm-10:08 am

2 stops17h 50m

San Diego

Wed 9/2

2:50 pm-4:38 pm

1 stop24h 48m

$374
Quickest round-trip

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Sat 10/24

5:15 pm-10:58 pm

1 stop6h 43m

San Diego

Tue 10/27

9:08 am-4:35 pm

1 stop6h 27m

$376

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

$378

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Fri 9/11

5:19 pm-11:45 am

1 stop19h 26m

San Diego

Sun 9/13

6:15 am-4:39 pm

1 stop9h 24m

$382

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Wed 8/26

5:18 pm-8:25 am

2 stops16h 07m

San Diego

Wed 9/2

2:50 pm-4:38 pm

1 stop24h 48m

$386

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Tue 8/25

5:18 pm-12:20 pm

2 stops20h 02m

San Diego

Sat 8/29

8:45 pm-4:38 pm

1 stop18h 53m

$389

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

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
7.8
8,455 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
Lemon Grove
Santee
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.

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 7/28
Tue 8/4
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States