How does KAYAK find such low prices on flights from Missouri to San Diego?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Missouri to San Diego.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to San Diego?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Diego from Missouri is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Missouri to San Diego?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Diego with an airline and back to Missouri with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri to San Diego?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Diego from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$98 CHEAP FLIGHTS from Missouri to San Diego

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Flight Deals

Cheap Flights from Missouri to San Diego

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Missouri to San Diego

Fri, Nov 13 - Mon, Nov 16

8:43 pm - 3:58 pmMCI Kansas City-SAN San Diego

21h 15m1 stop Denver Intl

4:53 pm - 7:47 pmSAN San Diego-MCI Kansas City

24h 54m1 stop Denver Intl

$162Frontier

Thu, Nov 12 - Sun, Nov 15

8:43 pm - 11:57 pmMCI Kansas City-SAN San Diego

29h 14m1 stop Denver Intl

6:25 am - 7:47 pmSAN San Diego-MCI Kansas City

11h 22m1 stop Denver Intl

$195Frontier

Tue, Jan 5 - Tue, Jan 12

2:35 pm - 8:35 pmSTL Lambert-St Louis-SAN San Diego

8h 00m2 stops Denver Intl Sacramento Intl

10:05 am - 7:45 pmSAN San Diego-STL Lambert-St Louis

7h 40m2 stops Tucson Dallas Love Field

$282Southwest

Mon, Nov 16 - Mon, Nov 23

6:13 am - 10:55 amSTL Lambert-St Louis-SAN San Diego

6h 42m1 stop Minneapolis St Paul

11:39 am - 8:29 pmSAN San Diego-STL Lambert-St Louis

6h 50m1 stop Detroit Metropolitan Wayne County

$282Delta

Wed, Dec 2 - Sun, Dec 6

8:17 am - 1:42 pmSTL Lambert-St Louis-SAN San Diego

7h 25m1 stop San Francisco

9:43 am - 6:11 pmSAN San Diego-STL Lambert-St Louis

6h 28m1 stop San Francisco

$287United Airlines

Wed, Oct 28 - Sun, Nov 1

8:00 am - 1:47 pmSTL Lambert-St Louis-SAN San Diego

7h 47m1 stop San Francisco

9:38 am - 6:05 pmSAN San Diego-STL Lambert-St Louis

6h 27m1 stop San Francisco

$287United Airlines

Wed, Oct 28 - Mon, Nov 2

5:00 am - 12:34 pmSTL Lambert-St Louis-SAN San Diego

9h 34m1 stop Chicago O'Hare Intl

1:29 pm - 11:59 pmSAN San Diego-STL Lambert-St Louis

8h 30m1 stop Chicago O'Hare Intl

$289American Airlines

Wed, Nov 25 - Tue, Dec 1

2:31 pm - 7:41 pmSTL Lambert-St Louis-SAN San Diego

7h 10m1 stop Atlanta Hartsfield-Jackson

9:50 pm - 8:56 amSAN San Diego-STL Lambert-St Louis

9h 06m1 stop Atlanta Hartsfield-Jackson

$292Delta

Sat, Oct 31 - Wed, Nov 4

12:40 pm - 6:05 pmSTL Lambert-St Louis-SAN San Diego

7h 25m1 stop Denver Intl

8:20 am - 5:25 pmSAN San Diego-STL Lambert-St Louis

7h 05m2 stops Phoenix Sky Harbor Intl Omaha Eppley Airfield

$295Southwest

Thu, Oct 29 - Mon, Nov 2

5:40 am - 10:27 amSTL Lambert-St Louis-SAN San Diego

6h 47m1 stop Dallas/Fort Worth

2:18 pm - 11:33 pmSAN San Diego-STL Lambert-St Louis

7h 15m1 stop Dallas/Fort Worth

$307American Airlines

Recent last minute flight deals from Missouri to San Diego

Sun, Sep 20 - Sat, Sep 26

8:10 pm - 3:58 pmSTL Lambert-St Louis-SAN San Diego

21h 48m1 stop Denver Intl

6:25 am - 7:17 pmSAN San Diego-STL Lambert-St Louis

10h 52m1 stop Denver Intl

$308Frontier

Fri, Sep 18 - Thu, Sep 24

8:10 pm - 11:51 pmSTL Lambert-St Louis-SAN San Diego

5h 41m1 stop Denver Intl

9:03 pm - 11:17 amSAN San Diego-STL Lambert-St Louis

12h 14m1 stop Las Vegas Harry Reid Intl

$318Frontier

Sat, Sep 19 - Tue, Sep 29

8:10 pm - 11:51 pmSTL Lambert-St Louis-SAN San Diego

5h 41m1 stop Denver Intl

7:15 am - 6:38 pmSAN San Diego-STL Lambert-St Louis

9h 23m1 stop Seattle/Tacoma Intl

$359Multiple Airlines

Fri, Sep 18 - Tue, Sep 29

8:10 pm - 11:51 pmSTL Lambert-St Louis-SAN San Diego

5h 41m1 stop Denver Intl

7:15 am - 6:38 pmSAN San Diego-STL Lambert-St Louis

9h 23m1 stop Seattle/Tacoma Intl

$359Multiple Airlines

Tue, Sep 15 - Sat, Sep 19

12:46 pm - 6:51 pmSTL Lambert-St Louis-SAN San Diego

8h 05m1 stop Dallas/Fort Worth

6:20 am - 1:44 pmSAN San Diego-STL Lambert-St Louis

5h 24m1 stop Phoenix Sky Harbor Intl

$411American Airlines

Wed, Sep 16 - Sat, Sep 19

12:46 pm - 6:51 pmSTL Lambert-St Louis-SAN San Diego

8h 05m1 stop Dallas/Fort Worth

11:15 am - 7:07 pmSAN San Diego-STL Lambert-St Louis

5h 52m1 stop Dallas/Fort Worth

$411American Airlines

Sun, Sep 20 - Tue, Sep 29

6:15 am - 10:44 amSTL Lambert-St Louis-SAN San Diego

6h 29m1 stop Minneapolis St Paul

12:52 pm - 11:42 pmSAN San Diego-STL Lambert-St Louis

8h 50m1 stop Atlanta Hartsfield-Jackson

$417Delta

Thu, Sep 17 - Tue, Sep 29

6:15 am - 10:44 amSTL Lambert-St Louis-SAN San Diego

6h 29m1 stop Minneapolis St Paul

6:25 am - 4:47 pmSAN San Diego-STL Lambert-St Louis

8h 22m1 stop Minneapolis St Paul

$417Delta

Sun, Sep 20 - Sat, Sep 26

5:10 am - 9:05 amSTL Lambert-St Louis-SAN San Diego

5h 55m1 stop Denver Intl

2:24 pm - 11:44 pmSAN San Diego-STL Lambert-St Louis

7h 20m2 stops Los Angeles Denver Intl

$422United Airlines

Sat, Sep 19 - Fri, Sep 25

4:58 pm - 9:24 pmSGF Springfield-Branson-SAN San Diego

6h 26m1 stop Houston George Bush Intcntl

2:24 pm - 11:42 pmSAN San Diego-SGF Springfield-Branson

7h 18m2 stops Los Angeles Denver Intl

$517United Airlines

Useful Info

Low season	January
High season	March
Cheapest flight	$98

Best time to beat the crowds with an average 16% drop in price.

Most popular time to fly with an average 5% increase in price.

Flight from St. Louis to San Diego

How does KAYAK find such low prices on flights from Missouri to San Diego?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Missouri to San Diego.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to San Diego?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Diego from Missouri is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Missouri to San Diego?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Diego with an airline and back to Missouri with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri to San Diego?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Diego from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.