How does KAYAK find such low prices on flights from California to St. Louis?

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 California to St. Louis.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from California to St. Louis?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from California 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 California to St. Louis?

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 St. Louis with an airline and back to California with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from California to St. Louis?

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 St. Louis from California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$79 CHEAP FLIGHTS from California to St. Louis

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Flight Deals

Cheap Flights from California to St. Louis

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 California to St. Louis

Thu, Nov 5 - Mon, Nov 9

7:15 am - 12:33 pmLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

3h 18mnonstop

1:28 pm - 3:12 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

3h 44mnonstop

$101Frontier

Thu, Nov 5 - Mon, Nov 9

7:15 am - 12:33 pmLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

3h 18mnonstop

7:59 pm - 11:43 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

5h 44m1 stop Denver Intl

$166Frontier

Sat, Dec 12 - Wed, Dec 16

9:35 am - 6:15 pmBUR Burbank Bob Hope-STL Lambert-St Louis

6h 40m1 stop Denver Intl

8:25 am - 2:00 pmSTL Lambert-St Louis-BUR Burbank Bob Hope

7h 35m1 stop Sacramento Intl

$233Southwest

Sat, Dec 12 - Wed, Dec 16

1:10 pm - 8:25 pmBUR Burbank Bob Hope-STL Lambert-St Louis

5h 15m1 stop Denver Intl

8:25 am - 1:35 pmSTL Lambert-St Louis-BUR Burbank Bob Hope

7h 10m2 stops Denver Intl Phoenix Sky Harbor Intl

$234Southwest

Sat, Oct 17 - Tue, Oct 20

6:15 am - 3:37 pmSAN San Diego-STL Lambert-St Louis

7h 22m1 stop Detroit Metropolitan Wayne County

7:45 am - 12:25 pmSTL Lambert-St Louis-SAN San Diego

6h 40m1 stop Salt Lake City

$247Delta

Sat, Nov 7 - Mon, Nov 9

6:50 am - 3:43 pmSAN San Diego-STL Lambert-St Louis

6h 53m1 stop Chicago O'Hare Intl

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

7h 47m1 stop San Francisco

$252United Airlines

Thu, Nov 12 - Mon, Nov 16

5:13 pm - 12:40 amSAN San Diego-STL Lambert-St Louis

5h 27m1 stop Salt Lake City

7:00 pm - 11:53 pmSTL Lambert-St Louis-SAN San Diego

6h 53m1 stop Salt Lake City

$257Delta

Sat, Oct 10 - Thu, Oct 15

9:45 am - 6:43 pmSAN San Diego-STL Lambert-St Louis

6h 58m1 stop San Francisco

7:08 am - 12:18 pmSTL Lambert-St Louis-SAN San Diego

7h 10m1 stop San Francisco

$257United Airlines

Mon, Oct 26 - Sat, Oct 31

7:03 am - 11:59 pmBUR Burbank Bob Hope-STL Lambert-St Louis

14h 56m1 stop Seattle/Tacoma Intl

6:02 am - 1:00 pmSTL Lambert-St Louis-BUR Burbank Bob Hope

8h 58m1 stop Seattle/Tacoma Intl

$264Alaska Airlines

Tue, Oct 13 - Tue, Oct 20

7:02 am - 11:59 pmLGB Long Beach Municipal-STL Lambert-St Louis

14h 57m1 stop Seattle/Tacoma Intl

7:02 am - 2:10 pmSTL Lambert-St Louis-LGB Long Beach Municipal

9h 08m1 stop Seattle/Tacoma Intl

$371Alaska Airlines

Recent last minute flight deals from California to St. Louis

Wed, Sep 16 - Wed, Sep 23

6:45 am - 7:17 pmLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

10h 32m1 stop Denver Intl

12:17 pm - 1:52 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

3h 35mnonstop

$270Frontier

Wed, Sep 16 - Wed, Sep 23

5:54 pm - 11:17 amSAN San Diego-STL Lambert-St Louis

15h 23m1 stop Las Vegas Harry Reid Intl

12:17 pm - 4:59 pmSTL Lambert-St Louis-SAN San Diego

6h 42m1 stop Las Vegas Harry Reid Intl

$329Frontier

Wed, Sep 16 - Wed, Sep 23

7:09 am - 5:10 pmBUR Burbank Bob Hope-STL Lambert-St Louis

8h 01m1 stop Portland

6:29 am - 1:09 pmSTL Lambert-St Louis-BUR Burbank Bob Hope

8h 40m1 stop Seattle/Tacoma Intl

$413Alaska Airlines

Tue, Sep 15 - Sat, Sep 19

12:09 pm - 8:52 pmLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

6h 43m1 stop Phoenix Sky Harbor Intl

12:46 pm - 5:21 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

6h 35m1 stop Dallas/Fort Worth

$415American Airlines

Sun, Sep 20 - Fri, Sep 25

9:45 pm - 9:00 amSAN San Diego-STL Lambert-St Louis

9h 15m1 stop Atlanta Hartsfield-Jackson

6:55 pm - 11:52 pmSTL Lambert-St Louis-SAN San Diego

6h 57m1 stop Salt Lake City

$417Delta

Wed, Sep 16 - Fri, Sep 18

7:15 am - 6:38 pmBUR Burbank Bob Hope-STL Lambert-St Louis

9h 23m1 stop San Francisco

8:42 am - 3:13 pmSTL Lambert-St Louis-BUR Burbank Bob Hope

8h 31m1 stop San Francisco

$422United Airlines

Wed, Sep 16 - Wed, Sep 23

7:15 am - 6:38 pmBUR Burbank Bob Hope-STL Lambert-St Louis

9h 23m1 stop San Francisco

4:40 pm - 8:52 pmSTL Lambert-St Louis-BUR Burbank Bob Hope

6h 12m1 stop Denver Intl

$422United Airlines

Sun, Sep 20 - Mon, Sep 28

9:45 pm - 9:00 amSAN San Diego-STL Lambert-St Louis

9h 15m1 stop Atlanta Hartsfield-Jackson

4:59 pm - 10:54 pmSTL Lambert-St Louis-SAN San Diego

7h 55m1 stop Atlanta Hartsfield-Jackson

$437Delta

Fri, Sep 18 - Sat, Sep 19

11:50 pm - 10:18 amLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

8h 28m1 stop Chicago O'Hare Intl

12:46 pm - 6:11 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

7h 25m1 stop Dallas/Fort Worth

$473American Airlines

Wed, Sep 16 - Wed, Sep 23

7:02 am - 6:38 pmLGB Long Beach Municipal-STL Lambert-St Louis

9h 36m1 stop Seattle/Tacoma Intl

6:29 am - 2:36 pmSTL Lambert-St Louis-LGB Long Beach Municipal

10h 07m1 stop Seattle/Tacoma Intl

$609Alaska Airlines

Recent direct flight deals from California to St. Louis

Thu, Nov 5 - Mon, Nov 9

7:15 am - 12:33 pmLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

3h 18mnonstop

1:28 pm - 3:12 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

3h 44mnonstop

$101Frontier

Thu, Nov 12 - Mon, Nov 16

7:15 am - 12:33 pmLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

3h 18mnonstop

1:28 pm - 3:12 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

3h 44mnonstop

$170Frontier

Wed, Nov 4 - Wed, Nov 11

6:05 pm - 11:10 pmLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

3h 05mnonstop

12:40 pm - 3:30 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

4h 50mnonstop

$311Southwest

Thu, Nov 5 - Sat, Nov 7

7:45 pm - 12:55 amLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

3h 10mnonstop

5:55 am - 7:35 amSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

3h 40mnonstop

$335Southwest

Fri, Feb 12 - Tue, Feb 16

6:20 pm - 11:48 pmLAX Los Angeles-STL Lambert-St Louis

3h 28mnonstop

6:30 am - 8:47 amSTL Lambert-St Louis-LAX Los Angeles

4h 17mnonstop

$376American Airlines

Thu, Oct 15 - Sun, Oct 18

6:06 pm - 11:46 pmLAX Los Angeles-STL Lambert-St Louis

3h 40mnonstop

6:04 am - 8:24 amSTL Lambert-St Louis-LAX Los Angeles

4h 20mnonstop

$406American Airlines

Sat, Dec 12 - Tue, Dec 15

12:00 pm - 5:53 pmSFO San Francisco-STL Lambert-St Louis

3h 53mnonstop

8:30 am - 11:08 amSTL Lambert-St Louis-SFO San Francisco

4h 38mnonstop

$417United Airlines

Mon, Nov 2 - Wed, Nov 4

12:15 pm - 6:05 pmSFO San Francisco-STL Lambert-St Louis

3h 50mnonstop

8:00 am - 10:36 amSTL Lambert-St Louis-SFO San Francisco

4h 36mnonstop

$417United Airlines

Wed, Nov 11 - Mon, Nov 16

3:00 pm - 8:42 pmLAX Los Angeles-STL Lambert-St Louis

3h 42mnonstop

8:10 am - 10:37 amSTL Lambert-St Louis-LAX Los Angeles

4h 27mnonstop

$688Alaska Airlines

Tue, Oct 27 - Mon, Nov 16

6:06 pm - 11:46 pmLAX Los Angeles-STL Lambert-St Louis

3h 40mnonstop

8:10 am - 10:37 amSTL Lambert-St Louis-LAX Los Angeles

4h 27mnonstop

$688Alaska Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$79

Best time to beat the crowds with an average 8% drop in price.

Most popular time to fly with an average 8% increase in price.

Flight from Las Vegas to St. Louis

How does KAYAK find such low prices on flights from California to St. Louis?
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 California to St. Louis.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from California to St. Louis?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from California 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 California to St. Louis?
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 St. Louis with an airline and back to California with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from California to St. Louis?
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 St. Louis from California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.