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Cheap flights from St. Louis to California from $60

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to California departing on 1/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from St. Louis to California

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
3:46 pm - 11:31 pm
STL
-
SAN
9h 45m1 stop
Frontier Logo
8:16 pm - 2:46 pm
SAN
-
STL
16h 30m1 stop
$110Frontier
Wed, Jan 21 - Fri, Jan 30
Frontier Logo
3:43 pm - 11:07 pm
STL
-
SAN
9h 24m1 stop
Frontier Logo
8:16 pm - 2:46 pm
SAN
-
STL
16h 30m1 stop
$122Frontier
Sat, Jan 17 - Fri, Jan 30
Delta Logo
6:35 am - 5:30 pm
STL
-
SMF
12h 55m2 stops
Delta Logo
6:25 pm - 9:39 am
SMF
-
STL
13h 14m2 stops
$274Delta
Tue, Jan 13 - Tue, Jan 20
Delta Logo
6:10 am - 5:38 pm
STL
-
SJC
13h 28m2 stops
Delta Logo
11:45 am - 11:23 pm
SJC
-
STL
9h 38m2 stops
$274Delta
Wed, Feb 18 - Fri, Feb 20
Alaska Airlines Logo
6:19 pm - 11:15 am
STL
-
PSP
18h 56m1 stop
Alaska Airlines Logo
5:26 pm - 1:54 pm
PSP
-
STL
18h 28m1 stop
$275Alaska Airlines
Sat, Jan 17 - Wed, Jan 21
United Airlines Logo
4:15 pm - 9:08 pm
STL
-
PSP
6h 53m1 stop
United Airlines Logo
9:10 am - 9:13 pm
PSP
-
STL
10h 03m2 stops
$281United Airlines
Sat, Jan 17 - Wed, Jan 21
Alaska Airlines Logo
2:50 pm - 2:05 pm
STL
-
SMF
25h 15m1 stop
Alaska Airlines Logo
9:00 am - 1:54 pm
SMF
-
STL
26h 54m1 stop
$302Alaska Airlines
Tue, Jan 13 - Tue, Jan 20
American Airlines Logo
11:05 am - 6:06 pm
STL
-
PSP
9h 01m2 stops
American Airlines Logo
9:47 am - 9:15 pm
PSP
-
STL
9h 28m2 stops
$330American Airlines
Sat, Jan 17 - Wed, Jan 21
United Airlines Logo
8:45 am - 12:41 pm
STL
-
PSP
5h 56m1 stop
United Airlines Logo
1:05 pm - 8:58 pm
PSP
-
STL
5h 53m1 stop
$339United Airlines
Wed, Jan 7 - Sun, Jan 11
American Airlines Logo
11:55 am - 9:39 pm
STL
-
PSP
11h 44m2 stops
American Airlines Logo
9:47 am - 10:55 pm
PSP
-
STL
11h 08m2 stops
$358American Airlines
Thu, Jan 8 - Thu, Jan 15

Frontier flights from St. Louis to California

Our best Frontier deals on St. Louis to California flight tickets
Frontier
Jan 21
STL3:46 pmLambert-St Louis
9h 45m
1 stop
SAN11:31 pmSan Diego
Jan 30
SAN8:16 pmSan Diego
16h 30m
1 stop
STL2:46 pmLambert-St Louis
$110
Find similar
Frontier
Jan 17
STL3:43 pmLambert-St Louis
9h 24m
1 stop
SAN11:07 pmSan Diego
Jan 30
SAN8:16 pmSan Diego
16h 30m
1 stop
STL2:46 pmLambert-St Louis
$122
Find similar
Frontier
Feb 2
STL9:45 pmLambert-St Louis
3h 59m
LAS11:44 pmLas Vegas Harry Reid Intl
Feb 5
LAS3:50 pmLas Vegas Harry Reid Intl
3h 16m
STL9:06 pmLambert-St Louis
$123
Find similar

Delta flights from St. Louis to California

Our best Delta deals on St. Louis to California flight tickets
Delta
Jan 28
STL6:10 amLambert-St Louis
12h 28m
2 stops
LAX4:38 pmLos Angeles
Jan 31
LAX9:55 amLos Angeles
9h 43m
2 stops
STL9:38 pmLambert-St Louis
$274
Find similar
Delta
Mar 3
STL2:22 pmLambert-St Louis
10h 15m
2 stops
ONT10:37 pmOntario
Mar 9
ONT5:53 pmOntario
12h 57m
2 stops
STL8:50 amLambert-St Louis
$276
Find similar
Delta
Dec 25
STL7:20 amLambert-St Louis
7h 09m
1 stop
ONT12:29 pmOntario
Jan 7
ONT1:11 pmOntario
6h 24m
1 stop
STL9:35 pmLambert-St Louis
$297
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to California 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 St. Louis to California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisSan Diego

STL - SAN

STLSAN

Lambert-St Louis

Wed 1/21

3:46 pm-11:31 pm

1 stop9h 45m

San Diego

Fri 1/30

8:16 pm-2:46 pm

1 stop16h 30m

$110

St. LouisSan Diego

STL - SAN

STLSAN

Lambert-St Louis

Sat 1/17

3:43 pm-11:07 pm

1 stop9h 24m

San Diego

Fri 1/30

8:16 pm-2:46 pm

1 stop16h 30m

$122

St. LouisSacramento

STL - SMF

STLSMF

Lambert-St Louis

Tue 1/13

6:35 am-5:30 pm

2 stops12h 55m

Sacramento Intl

Tue 1/20

6:25 pm-9:39 am

2 stops13h 14m

$274

St. LouisSan Jose

STL - SJC

STLSJC

Lambert-St Louis

Wed 2/18

6:10 am-5:38 pm

2 stops13h 28m

San Jose

Fri 2/20

11:45 am-11:23 pm

2 stops9h 38m

$274

St. LouisPalm Springs

STL - PSP

STLPSP

Lambert-St Louis

Sat 1/17

6:19 pm-11:15 am

1 stop18h 56m

Palm Springs

Wed 1/21

5:26 pm-1:54 pm

1 stop18h 28m

$275

St. LouisPalm Springs

STL - PSP

STLPSP

Lambert-St Louis

Sat 1/17

4:15 pm-9:08 pm

1 stop6h 53m

Palm Springs

Wed 1/21

9:10 am-9:13 pm

2 stops10h 03m

$281

St. LouisSacramento

STL - SMF

STLSMF

Lambert-St Louis

Tue 1/13

2:50 pm-2:05 pm

1 stop25h 15m

Sacramento Intl

Tue 1/20

9:00 am-1:54 pm

1 stop26h 54m

$302

St. LouisPalm Springs

STL - PSP

STLPSP

Lambert-St Louis

Sat 1/17

11:05 am-6:06 pm

2 stops9h 01m

Palm Springs

Wed 1/21

9:47 am-9:15 pm

2 stops9h 28m

$330

St. LouisPalm Springs

STL - PSP

STLPSP

Lambert-St Louis

Wed 1/7

8:45 am-12:41 pm

1 stop5h 56m

Palm Springs

Sun 1/11

1:05 pm-8:58 pm

1 stop5h 53m

$339

St. LouisPalm Springs

STL - PSP

STLPSP

Lambert-St Louis

Thu 1/8

11:55 am-9:39 pm

2 stops11h 44m

Palm Springs

Thu 1/15

9:47 am-10:55 pm

2 stops11h 08m

$358

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 California from

How to get the cheapest flight ticket from St. Louis to California

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 California?

The month of October is another great option to travel to California, with average flight prices from St. Louis averaging around $310.

What is the cheapest day to depart on your flight to California?

The cheapest day to depart from St. Louis to California is on a Wednesday. Travelers who choose to depart for California on a Wednesday will often find tickets for as low as $443. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to California on Sunday is $613.

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

The cheapest time of day to fly to California is at noon when flights can be purchased for as low as $373. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $541 on average. Flights to California from St. Louis in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Lambert-St Louis to California flight route?

Fly from Lambert-St Louis to San Diego for the best Lambert-St Louis - California flight prices

How far in advance should I book a flight to California?

You are more likely to see cheaper flights to California from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to California for around $380 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to California from St. Louis for as low as $303 on momondo.

What cabin class options are available on Lambert-St Louis to California flights?

There are 4 cabin classes available to choose from on Lambert-St Louis to California 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 St. Louis to California flights?

You could potentially save up to 19% on your flight if you consider stops on a St. Louis to California flight.

Cheap St. Louis to California flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to California

Best Price Found

$174

Fastest flight time

3h 25m

Direct flights

Every day

Airports in California

418 airports
The best one-way flight to California from St. Louis in the past 72 hours is $174. The best round-trip flight deal from St. Louis to California found on momondo in the last 72 hours is $369.
The fastest flight from St. Louis to California takes 3h 25m
Direct flights go from St. Louis to California every day.
There are 418 airports in California. From St. Louis there are direct flights to San Diego (SAN), Las Vegas Harry Reid Intl (LAS).
Search flight deals

  • When did momondo last update prices for flights from Lambert-St Louis Airport to California?

    Prices for flights from Lambert-St Louis Airport to California refresh daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to California?

  • How old do you have to be to fly from Lambert-St Louis Airport to California?

    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 Lambert-St Louis Airport to California.

  • What documentation or ID do you need to fly to California?

    The travel and health documents you'll need for your trip to California 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 California. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from St. Louis to California?

Best airlines flying from St. Louis to California

Compare and see reviews for airlines that fly from St. Louis to California with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $88Free CancellationRating
5.8
3,082 reviews
Search Frontier flights
DeltaPriceFrom $171Free CancellationRating
7.9
8,006 reviews
Search Delta flights
Spirit AirlinesPriceFrom $172Free CancellationRating
6.3
8,190 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $182Free CancellationRating
7.4
9,091 reviews
Search United Airlines flights
American AirlinesPriceFrom $182Free CancellationRating
7.2
11,053 reviews
Search American Airlines flights
SouthwestPriceFrom $256Free CancellationRating
7.9
4,249 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $296Free CancellationRating
8.0
11,474 reviews
Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to California?

Finding the right flight to California from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to California quick and easy, saving you time and money.

Can I find flights from St. Louis to California with flexible booking policies on momondo?

Yes. All flights to California from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from St. Louis to California?

Once all potential St. Louis to California 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 St. Louis to California right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to California from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your California trip

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