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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

$61 CHEAP FLIGHTS from California to St. Louis

STL

KAYAK searches hundreds of travel sites at once for deals on flights to St. Louis

...and more

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41,299,237 searches in the past 7 days on KAYAK

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Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$83

Overall average: $270

Frontier

Thu 1/15Sun 1/18

LAS - STL • Non-stop

Cheapest one-way

$61

Typical prices: $138-$452

Frontier

Thu 12/25

SAN - STL • 1 stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to St. Louis!

Flight Deals

Cheap Flights from California to St. Louis

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from California to St. Louis that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

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, Jan 15 - Sun, Jan 18

3:37 pm - 8:53 pmLAS-STL

3h 16mnonstop

1:07 pm - 3:02 pmSTL-LAS

3h 55mnonstop

$83Frontier

Find Deal

Thu, Feb 5 - Sun, Feb 8

11:28 am - 4:49 pmLAS-STL

3h 21mnonstop

5:44 pm - 7:33 pmSTL-LAS

3h 49mnonstop

$84Frontier

Find Deal

Sat, Jan 24 - Sun, Jan 25

12:15 am - 11:01 amLAS-STL

8h 46m1 stop

5:44 pm - 7:33 pmSTL-LAS

3h 49mnonstop

$154Multiple Airlines

Find Deal

Wed, Feb 4 - Sun, Feb 8

12:15 am - 11:01 amLAS-STL

8h 46m1 stop

5:44 pm - 7:33 pmSTL-LAS

3h 49mnonstop

$159Multiple Airlines

Find Deal

Thu, Jan 15 - Sun, Jan 18

6:35 am - 11:40 amLAS-STL

3h 05mnonstop

7:45 pm - 9:30 pmSTL-LAS

3h 45mnonstop

$197Southwest

Find Deal

Thu, Feb 26 - Mon, Mar 2

6:10 am - 1:25 pmLAS-STL

5h 15m1 stop

5:00 pm - 11:01 pmSTL-LAS

8h 01m1 stop

$217Delta

Find Deal

Thu, Jan 15 - Sun, Jan 18

11:25 am - 5:45 pmLAS-STL

4h 20m1 stop

10:15 am - 2:45 pmSTL-LAS

6h 30m2 stops

$218Southwest

Find Deal

Thu, Nov 27 - Thu, Dec 4

6:15 am - 3:05 pmSAN-STL

6h 50m1 stop

7:05 am - 1:02 pmSTL-SAN

7h 57m1 stop

$253Delta

Find Deal

Sat, Dec 6 - Tue, Dec 9

2:16 pm - 10:45 pmSAN-STL

6h 29m1 stop

1:35 pm - 7:52 pmSTL-SAN

8h 17m2 stops

$305United Airlines

Find Deal

Thu, Feb 12 - Mon, Feb 16

11:10 am - 9:00 pmSNA-STL

7h 50m2 stops

2:45 pm - 8:49 pmSTL-SNA

8h 04m1 stop

$410United Airlines

Find Deal

Useful Info

Low season	January
High season	November
Cheapest flight	$61

Best time to beat the crowds with an average 4% drop in price.

Most popular time to fly with an average 3% increase in price.

Flight from San Diego 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.

O'Fallon

Wentzville

Farmington

Eureka

Litchfield

Grafton

Shrewsbury

Glencoe

Everything you need to know for your flight to St. Louis

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in St. Louis

St. Louis (STL)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

STL

$61 Find Cheap Flights from California to St. Louis

KAYAK searches hundreds of travel sites at once for deals on flights to St. Louis

Everything you should know

Cheap Flights from California to St. Louis

Recent round-trip flight deals from California to St. Louis

Recent one-way flight deals from California to St. Louis

Recent last minute flight deals from California to St. Louis

Recent direct flight deals from California to St. Louis

Good to know

FAQs for booking flights from California 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.

Traveling to a place near St. Louis?

Everything you need to know for your flight to St. Louis

Information on the airport you'll fly into in St. Louis

Cabin class types available on flights to California

Complete your trip to St. Louis with a hotel stay or car rental

Find direct flights for St. Louis

Flights to other popular destinations

Flights from domestic origins to St. Louis

Choose which airport to fly into in St. Louis

Find deals for your return flight