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Cheap flights from Kalispell to San Diego from $133

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kalispell to San Diego departing on 12/23. 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 Kalispell to San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
1:40 pm - 8:49 pm
FCA
-
SAN
8h 09m1 stop
United Airlines Logo
6:30 am - 1:36 pm
SAN
-
FCA
6h 06m1 stop
$236United Airlines
Mon, Jan 12 - Mon, Jan 19
Alaska Airlines Logo
7:46 pm - 10:07 am
FCA
-
SAN
15h 21m1 stop
Alaska Airlines Logo
8:42 pm - 11:58 pm
SAN
-
FCA
26h 16m1 stop
$254Alaska Airlines
Mon, Feb 2 - Fri, Feb 6
Delta Logo
5:05 am - 8:49 am
FCA
-
SAN
4h 44m1 stop
Delta Logo
5:45 pm - 11:18 pm
SAN
-
FCA
4h 33m1 stop
$258Delta
Wed, Jan 14 - Sun, Jan 18
Multiple Airlines Logo
5:42 pm - 7:40 am
FCA
-
SAN
14h 58m2 stops
Multiple Airlines Logo
8:10 pm - 11:10 am
SAN
-
FCA
14h 00m1 stop
$260Multiple Airlines
Thu, Feb 19 - Sun, Feb 22
United Airlines Logo
1:40 pm - 8:49 pm
FCA
-
SAN
8h 09m1 stop
United Airlines Logo
6:15 am - 12:59 pm
SAN
-
FCA
5h 44m1 stop
$291United Airlines
Thu, Jan 22 - Sun, Jan 25
Multiple Airlines Logo
9:06 pm - 1:29 pm
FCA
-
SAN
17h 23m1 stop
Multiple Airlines Logo
6:36 am - 8:16 pm
SAN
-
FCA
12h 40m2 stops
$297Multiple Airlines
Thu, Jan 8 - Sun, Jan 11
Delta Logo
5:05 am - 8:50 am
FCA
-
SAN
4h 45m1 stop
Delta Logo
2:55 pm - 10:52 pm
SAN
-
FCA
6h 57m2 stops
$300Delta
Mon, Feb 2 - Fri, Feb 6
Delta Logo
5:05 am - 2:29 pm
FCA
-
SAN
10h 24m2 stops
Delta Logo
2:55 pm - 10:52 pm
SAN
-
FCA
6h 57m2 stops
$305Delta
Mon, Feb 2 - Fri, Feb 6
Alaska Airlines Logo
7:46 pm - 5:20 pm
FCA
-
SAN
22h 34m1 stop
Alaska Airlines Logo
7:03 pm - 7:06 pm
SAN
-
FCA
23h 03m1 stop
$310Alaska Airlines
Mon, Feb 2 - Fri, Feb 6
Alaska Airlines Logo
7:46 pm - 1:19 pm
FCA
-
SAN
18h 33m1 stop
Alaska Airlines Logo
6:15 am - 11:58 pm
SAN
-
FCA
16h 43m1 stop
$313Alaska Airlines
Mon, Jan 12 - Mon, Jan 19

United Airlines flights from Kalispell to San Diego

Our best United Airlines deals on Kalispell to San Diego flight tickets
United Airlines
Dec 24
FCA2:38 pmKalispell Glacier Park
7h 09m
1 stop
SAN8:47 pmSan Diego
Jan 2
SAN6:30 amSan Diego
8h 31m
1 stop
FCA4:01 pmKalispell Glacier Park
$279
Find similar
United Airlines
Jan 22
FCA1:40 pmKalispell Glacier Park
8h 09m
1 stop
SAN8:49 pmSan Diego
Jan 25
SAN6:15 amSan Diego
5h 44m
1 stop
FCA12:59 pmKalispell Glacier Park
$291
Find similar
United Airlines
Jan 15
FCA2:42 pmKalispell Glacier Park
7h 00m
1 stop
SAN8:42 pmSan Diego
Jan 19
SAN6:30 amSan Diego
6h 06m
1 stop
FCA1:36 pmKalispell Glacier Park
$333
Find similar

Delta flights from Kalispell to San Diego

Our best Delta deals on Kalispell to San Diego flight tickets
Delta
Feb 2
FCA5:05 amKalispell Glacier Park
4h 45m
1 stop
SAN8:50 amSan Diego
Feb 6
SAN2:55 pmSan Diego
6h 57m
2 stops
FCA10:52 pmKalispell Glacier Park
$300
Find similar
Delta
Feb 2
FCA5:05 amKalispell Glacier Park
8h 41m
2 stops
SAN12:46 pmSan Diego
Feb 6
SAN2:55 pmSan Diego
6h 57m
2 stops
FCA10:52 pmKalispell Glacier Park
$305
Find similar
Delta
Jan 15
FCA12:15 pmKalispell Glacier Park
5h 21m
1 stop
SAN4:36 pmSan Diego
Jan 20
SAN11:00 amSan Diego
10h 52m
2 stops
FCA10:52 pmKalispell Glacier Park
$322
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Kalispell 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 December 18, 2025.
Use the filters below to find and compare flights from Kalispell to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Mon 1/12

1:40 pm-8:49 pm

1 stop8h 09m

San Diego

Mon 1/19

6:30 am-1:36 pm

1 stop6h 06m

$236

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Mon 2/2

7:46 pm-10:07 am

1 stop15h 21m

San Diego

Fri 2/6

8:42 pm-11:58 pm

1 stop26h 16m

$254

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Wed 1/14

5:05 am-8:49 am

1 stop4h 44m

San Diego

Sun 1/18

5:45 pm-11:18 pm

1 stop4h 33m

$258

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Thu 2/19

5:42 pm-7:40 am

2 stops14h 58m

San Diego

Sun 2/22

8:10 pm-11:10 am

1 stop14h 00m

$260

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Thu 1/22

1:40 pm-8:49 pm

1 stop8h 09m

San Diego

Sun 1/25

6:15 am-12:59 pm

1 stop5h 44m

$291

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Thu 1/8

9:06 pm-1:29 pm

1 stop17h 23m

San Diego

Sun 1/11

6:36 am-8:16 pm

2 stops12h 40m

$297

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Mon 2/2

5:05 am-8:50 am

1 stop4h 45m

San Diego

Fri 2/6

2:55 pm-10:52 pm

2 stops6h 57m

$300

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Mon 2/2

5:05 am-2:29 pm

2 stops10h 24m

San Diego

Fri 2/6

2:55 pm-10:52 pm

2 stops6h 57m

$305

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Mon 2/2

7:46 pm-5:20 pm

1 stop22h 34m

San Diego

Fri 2/6

7:03 pm-7:06 pm

1 stop23h 03m

$310

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Mon 1/12

7:46 pm-1:19 pm

1 stop18h 33m

San Diego

Mon 1/19

6:15 am-11:58 pm

1 stop16h 43m

$313

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 Kalispell 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 August, then departing from Kalispell during the month July is also very affordable. Most momondo users find prices during this month for around $299.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Kalispell to San Diego is on a Saturday. Travelers who choose to depart for San Diego on a Saturday will often find tickets for as low as $231. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $513. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

What is the cheapest time of day to depart on your flight to San Diego?

The cheapest time of day to fly to San Diego is in the evening when flights can be purchased for as low as $286. Flights in the morning are often more expensive with an average ticket price of $416.

What is the cheapest Kalispell Glacier Park to San Diego flight route?

Fly from Kalispell Glacier Park to San Diego for the best Kalispell Glacier Park - San Diego flight prices

How far in advance should I book a flight to San Diego?

You are more likely to see cheaper flights to San Diego from Kalispell when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $389 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Kalispell for as low as $245 on momondo.

What cabin class options are available on Kalispell Glacier Park to San Diego flights?

There are 2 cabin classes available to choose from on Kalispell Glacier Park to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Kalispell to San Diego flights?

No. A direct flight is the cheapest option for a flight between Kalispell to San Diego.

How have Kalispell to San Diego flight prices changed over time?

As of December 2025, prices for Kalispell to San Diego flights are approximately 18% cheaper when compared to flights at the same time last year.

When to book flights from Kalispell to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from Kalispell to San Diego according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Kalispell to San Diego (FCA to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kalispell to San Diego

Fastest flight time

3h 13m

Direct flights

None
The fastest flight from Kalispell to San Diego takes 3h 13m
There are no direct flights from Kalispell to San Diego. There are no popular flight routes from Kalispell to San Diego.
Search flight deals

  • How far is Kalispell Glacier Park to San Diego by plane?

    A flight from Kalispell Glacier Park to San Diego will travel around 1079.0 mi. In terms of flight time, this usually takes a little over 3h 13m.

  • When did momondo last update prices for flights from Kalispell Glacier Park Airport to San Diego Airport?

    Prices for flights from Kalispell Glacier Park Airport to San Diego Airport refresh daily.

  • How many operators does momondo search for flights from Kalispell Glacier Park Airport to San Diego Airport?

  • How old do you have to be to fly from Kalispell Glacier Park Airport to San Diego Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kalispell Glacier Park Airport to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The required travel and health documents for your San Diego Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Diego Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Kalispell to San Diego?

  • What is the most popular airline from Kalispell to San Diego?

Best airlines flying from Kalispell to San Diego

Compare and see reviews for airlines that fly from Kalispell to San Diego with momondo
Airline
Rating
Free Cancellation
Price
Hawaiian AirlinesPriceFrom $161Free CancellationRating
7.8
2,820 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $231Free CancellationRating
8.0
11,479 reviews
Search Alaska Airlines flights
DeltaPriceFrom $248Free CancellationRating
7.9
8,008 reviews
Search Delta flights
United AirlinesPriceFrom $289Free CancellationRating
7.4
9,095 reviews
Search United Airlines 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
Borrego Springs
La Mesa
San Ysidro
Alpine
Lemon Grove
Santee

Why use momondo?

Why should I use momondo to find a flight deal from Kalispell to San Diego?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Kalispell to San Diego for you.

Can I find flights from Kalispell to San Diego with flexible booking policies on momondo?

Yes. All flights to San Diego from Kalispell on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Kalispell to San Diego?

momondo provides multiple filters to help you find the best flight to San Diego from Kalispell. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Kalispell to San Diego right now. Can momondo alert me if prices change?

Price alerts on flights to San Diego from Kalispell are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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