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Cheap flights from Great Falls to San Diego from $223

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 6/1. 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
10:24 am - 8:47 am
GTF
-
SAN
23h 23m
1 stop
Multiple Airlines Logo
9:43 am - 9:28 am
SAN
-
GTF
22h 45m
1 stop
$223Multiple Airlines
Mon, Jun 1 - Sun, Jun 7
Multiple Airlines Logo
10:24 am - 8:47 am
GTF
-
SAN
23h 23m
1 stop
Multiple Airlines Logo
9:43 am - 9:28 am
SAN
-
GTF
22h 45m
1 stop
$227Multiple Airlines
Mon, Jun 1 - Thu, Jun 4
Multiple Airlines Logo
10:24 am - 8:47 am
GTF
-
SAN
23h 23m
1 stop
Multiple Airlines Logo
1:38 pm - 9:28 am
SAN
-
GTF
18h 50m
2 stops
$258Multiple Airlines
Mon, Jun 1 - Thu, Jun 4
Multiple Airlines Logo
10:24 am - 9:12 pm
GTF
-
SAN
11h 48m
1 stop
Multiple Airlines Logo
9:43 am - 9:28 am
SAN
-
GTF
22h 45m
1 stop
$333Multiple Airlines
Fri, May 29 - Sun, Jun 7
Multiple Airlines Logo
10:24 am - 9:12 pm
GTF
-
SAN
11h 48m
1 stop
Multiple Airlines Logo
9:43 am - 9:28 am
SAN
-
GTF
22h 45m
1 stop
$336Multiple Airlines
Fri, May 29 - Thu, Jun 4
Multiple Airlines Logo
10:24 am - 9:12 pm
GTF
-
SAN
11h 48m
1 stop
Multiple Airlines Logo
1:38 pm - 9:28 am
SAN
-
GTF
18h 50m
2 stops
$367Multiple Airlines
Fri, May 29 - Thu, Jun 4
Multiple Airlines Logo
9:18 pm - 3:31 pm
GTF
-
SAN
19h 13m
1 stop
Multiple Airlines Logo
8:29 pm - 9:29 am
SAN
-
GTF
12h 00m
1 stop
$389Multiple Airlines
Thu, Aug 13 - Sun, Aug 16
Alaska Airlines Logo
5:18 pm - 11:16 am
GTF
-
SAN
18h 58m
2 stops
Alaska Airlines Logo
9:11 pm - 4:38 pm
SAN
-
GTF
18h 27m
2 stops
$420Alaska 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
7:58 pm - 4:38 pm
SAN
-
GTF
19h 40m
1 stop
$436Alaska Airlines
Wed, Aug 26 - Wed, Sep 2
Alaska Airlines Logo
5:18 pm - 10:44 pm
GTF
-
SAN
6h 26m
1 stop
Alaska Airlines Logo
9:11 pm - 4:38 pm
SAN
-
GTF
18h 27m
2 stops
$441Alaska Airlines
Wed, Aug 26 - Wed, Sep 2

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
18h 58m
2 stops
SAN11:16 amSan Diego
Sep 2
SAN9:11 pmSan Diego
18h 27m
2 stops
GTF4:38 pmGreat Falls
$420
Alaska Airlines
Aug 26
GTF5:18 pmGreat Falls
16h 30m
2 stops
SAN8:48 amSan Diego
Sep 2
SAN7:58 pmSan Diego
19h 40m
1 stop
GTF4:38 pmGreat Falls
$436
Alaska Airlines
Aug 26
GTF5:18 pmGreat Falls
6h 26m
1 stop
SAN10:44 pmSan Diego
Sep 2
SAN9:11 pmSan Diego
18h 27m
2 stops
GTF4:38 pmGreat Falls
$441

United Airlines flights from Great Falls to San Diego

Our best United Airlines deals on Great Falls to San Diego flight tickets
United Airlines
May 30
GTF6:15 amGreat Falls
13h 24m
2 stops
SAN6:39 pmSan Diego
Jun 2
SAN6:20 amSan Diego
30h 21m
3 stops
GTF1:41 pmGreat Falls
$640
United Airlines
May 30
GTF6:15 amGreat Falls
13h 24m
2 stops
SAN6:39 pmSan Diego
Jun 2
SAN6:20 amSan Diego
30h 21m
3 stops
GTF1:41 pmGreat Falls
$665
United Airlines
Jun 1
GTF2:37 pmGreat Falls
7h 09m
1 stop
SAN8:46 pmSan Diego
Jun 6
SAN6:30 amSan Diego
6h 11m
1 stop
GTF1:41 pmGreat Falls
$713

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 May 15, 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

Mon 6/1

10:24 am-8:47 am

1 stop23h 23m

San Diego

Sun 6/7

9:43 am-9:28 am

1 stop22h 45m

$223

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Mon 6/1

10:24 am-8:47 am

1 stop23h 23m

San Diego

Thu 6/4

9:43 am-9:28 am

1 stop22h 45m

$227

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Mon 6/1

10:24 am-8:47 am

1 stop23h 23m

San Diego

Thu 6/4

1:38 pm-9:28 am

2 stops18h 50m

$258

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Fri 5/29

10:24 am-9:12 pm

1 stop11h 48m

San Diego

Sun 6/7

9:43 am-9:28 am

1 stop22h 45m

$333

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Fri 5/29

10:24 am-9:12 pm

1 stop11h 48m

San Diego

Thu 6/4

9:43 am-9:28 am

1 stop22h 45m

$336

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Fri 5/29

10:24 am-9:12 pm

1 stop11h 48m

San Diego

Thu 6/4

1:38 pm-9:28 am

2 stops18h 50m

$367

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Thu 8/13

9:18 pm-3:31 pm

1 stop19h 13m

San Diego

Sun 8/16

8:29 pm-9:29 am

1 stop12h 00m

$389

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Wed 8/26

5:18 pm-11:16 am

2 stops18h 58m

San Diego

Wed 9/2

9:11 pm-4:38 pm

2 stops18h 27m

$420

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

7:58 pm-4:38 pm

1 stop19h 40m

$436
Quickest round-trip

Great FallsSan Diego

GTF - SAN

GTFSAN

Great Falls

Wed 8/26

5:18 pm-10:44 pm

1 stop6h 26m

San Diego

Wed 9/2

9:11 pm-4:38 pm

2 stops18h 27m

$441

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
1
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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 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

4h 36m

Direct flights

None
The fastest flight from Great Falls to San Diego takes 4h 36m
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 36m.

  • 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
8,452 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
San Ysidro
La Mesa
Imperial Beach
Borrego Springs
Lemon Grove
Alpine
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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