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Cheap flights from St. Louis to California from $77

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 7/4. 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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Find the cheapest flights from St. Louis to California

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
3:34 pm - 11:44 pm
STL
-
LAS
10h 10m
1 stop
Frontier Logo
9:24 pm - 7:23 pm
LAS
-
STL
19h 59m
1 stop
$203Frontier
Sat, Jul 25 - Tue, Jul 28
Frontier Logo
2:52 pm - 4:28 pm
STL
-
LAS
3h 36mnonstop
Frontier Logo
12:40 pm - 6:05 pm
LAS
-
STL
3h 25mnonstop
$204Frontier
Sun, Jul 26 - Wed, Jul 29
Frontier Logo
9:06 pm - 10:42 pm
STL
-
LAS
3h 36mnonstop
Frontier Logo
11:40 am - 5:05 pm
LAS
-
STL
3h 25mnonstop
$205Frontier
Sun, Jun 7 - Tue, Jun 9
Frontier Logo
8:08 pm - 8:29 pm
STL
-
LAS
26h 21m
1 stop
Frontier Logo
12:59 am - 6:53 pm
LAS
-
STL
15h 54m
1 stop
$206Frontier
Tue, Jun 23 - Fri, Jun 26
Frontier Logo
7:46 pm - 9:20 pm
STL
-
LAS
3h 34mnonstop
Frontier Logo
8:45 am - 2:06 pm
LAS
-
STL
3h 21mnonstop
$208Frontier
Wed, Jul 1 - Fri, Jul 3
Delta Logo
8:00 am - 11:54 am
STL
-
BUR
5h 54m
1 stop
Delta Logo
4:55 pm - 12:41 am
BUR
-
STL
5h 46m
1 stop
$297Delta
Tue, Jul 28 - Thu, Aug 6
Delta Logo
2:10 pm - 10:00 pm
STL
-
BUR
9h 50m
2 stops
Delta Logo
4:55 pm - 12:41 am
BUR
-
STL
5h 46m
1 stop
$302Delta
Thu, Aug 20 - Mon, Aug 24
Southwest Logo
4:00 pm - 8:30 pm
STL
-
OAK
6h 30m
1 stop
Southwest Logo
3:55 pm - 11:30 pm
OAK
-
STL
5h 35m
1 stop
$416Southwest
Wed, Jul 1 - Wed, Jul 8
Southwest Logo
1:40 pm - 6:45 pm
STL
-
OAK
7h 05m
2 stops
Southwest Logo
4:20 pm - 11:45 pm
OAK
-
STL
5h 25m
1 stop
$422Southwest
Tue, Jun 9 - Tue, Jun 16
Alaska Airlines Logo
5:37 pm - 4:55 pm
STL
-
OAK
25h 18m
1 stop
Alaska Airlines Logo
6:52 pm - 5:03 pm
OAK
-
STL
20h 11m
1 stop
$424Alaska Airlines
Tue, Aug 11 - Wed, Aug 19

American Airlines flights from St. Louis to California

Our best American Airlines deals on St. Louis to California flight tickets
American Airlines
Jun 19
STL5:03 pmLambert-St Louis
8h 45m
1 stop
SAN11:48 pmSan Diego
Jun 29
SAN4:23 pmSan Diego
5h 34m
1 stop
STL11:57 pmLambert-St Louis
$318
American Airlines
Jun 2
STL8:36 amLambert-St Louis
9h 37m
2 stops
BUR4:13 pmBurbank Bob Hope
Jun 8
BUR6:38 pmBurbank Bob Hope
11h 54m
2 stops
STL8:32 amLambert-St Louis
$339
American Airlines
May 28
STL6:35 amLambert-St Louis
4h 15m
LAX8:50 amLos Angeles
Jun 3
LAX6:16 pmLos Angeles
3h 40m
STL11:56 pmLambert-St Louis
$375

Frontier flights from St. Louis to California

Our best Frontier deals on St. Louis to California flight tickets
Frontier
Jul 25
STL3:34 pmLambert-St Louis
10h 10m
1 stop
LAS11:44 pmLas Vegas Harry Reid Intl
Jul 28
LAS9:24 pmLas Vegas Harry Reid Intl
19h 59m
1 stop
STL7:23 pmLambert-St Louis
$203
Frontier
Jul 26
STL2:52 pmLambert-St Louis
3h 36m
LAS4:28 pmLas Vegas Harry Reid Intl
Jul 29
LAS12:40 pmLas Vegas Harry Reid Intl
3h 25m
STL6:05 pmLambert-St Louis
$204
Frontier
Jun 7
STL9:06 pmLambert-St Louis
3h 36m
LAS10:42 pmLas Vegas Harry Reid Intl
Jun 9
LAS11:40 amLas Vegas Harry Reid Intl
3h 25m
STL5:05 pmLambert-St Louis
$205

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 May 15, 2026.
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

Cheapest round-trip

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Sat 7/25

3:34 pm-11:44 pm

1 stop10h 10m

Las Vegas Harry Reid Intl

Tue 7/28

9:24 pm-7:23 pm

1 stop19h 59m

$203

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Sun 7/26

2:52 pm-4:28 pm

Nonstop3h 36m

Las Vegas Harry Reid Intl

Wed 7/29

12:40 pm-6:05 pm

Nonstop3h 25m

$204

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Sun 6/7

9:06 pm-10:42 pm

Nonstop3h 36m

Las Vegas Harry Reid Intl

Tue 6/9

11:40 am-5:05 pm

Nonstop3h 25m

$205

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Tue 6/23

8:08 pm-8:29 pm

1 stop26h 21m

Las Vegas Harry Reid Intl

Fri 6/26

12:59 am-6:53 pm

1 stop15h 54m

$206
Quickest round-trip

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Wed 7/1

7:46 pm-9:20 pm

Nonstop3h 34m

Las Vegas Harry Reid Intl

Fri 7/3

8:45 am-2:06 pm

Nonstop3h 21m

$208

St. LouisBurbank

STL - BUR

STLBUR

Lambert-St Louis

Tue 7/28

8:00 am-11:54 am

1 stop5h 54m

Burbank Bob Hope

Thu 8/6

4:55 pm-12:41 am

1 stop5h 46m

$297

St. LouisBurbank

STL - BUR

STLBUR

Lambert-St Louis

Thu 8/20

2:10 pm-10:00 pm

2 stops9h 50m

Burbank Bob Hope

Mon 8/24

4:55 pm-12:41 am

1 stop5h 46m

$302

St. LouisOakland

STL - OAK

STLOAK

Lambert-St Louis

Wed 7/1

4:00 pm-8:30 pm

1 stop6h 30m

Oakland

Wed 7/8

3:55 pm-11:30 pm

1 stop5h 35m

$416

St. LouisOakland

STL - OAK

STLOAK

Lambert-St Louis

Tue 6/9

1:40 pm-6:45 pm

2 stops7h 05m

Oakland

Tue 6/16

4:20 pm-11:45 pm

1 stop5h 25m

$422

St. LouisOakland

STL - OAK

STLOAK

Lambert-St Louis

Tue 8/11

5:37 pm-4:55 pm

1 stop25h 18m

Oakland

Wed 8/19

6:52 pm-5:03 pm

1 stop20h 11m

$424

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 January is another great option to travel to California, with average flight prices from St. Louis averaging around $107.

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 Thursday. Travelers who choose to depart for California on a Thursday will often find tickets for as low as $416. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to California on Tuesday is $603.

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

The cheapest time of day to fly to California is in the afternoon when flights can be purchased for as low as $325. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $505 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 Francisco for the best Lambert-St Louis - California flight prices

How far in advance should I book a flight from St. Louis 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 $384 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 $304 on momondo.

Can stopping save me money on St. Louis to California flights?

No. A direct flight is the cheapest option for a flight between St. Louis to California.

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

$253

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 $253. The best round-trip flight deal from St. Louis to California found on momondo in the last 72 hours is $453.
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 Las Vegas Harry Reid Intl (LAS).
Search flight deals

Frequently asked questions about flying from St. Louis to California

  • 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
5.6
2,951 reviews
Search Frontier flights
DeltaPriceFrom $118Free CancellationRating
7.9
8,453 reviews
Search Delta flights
Spirit AirlinesPriceFrom $172Free CancellationRating
6.2
8,626 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $180Free CancellationRating
7.1
11,663 reviews
Search American Airlines flights
United AirlinesPriceFrom $182Free CancellationRating
7.4
9,718 reviews
Search United Airlines flights
SouthwestPriceFrom $255Free CancellationRating
8.0
4,299 reviews
Search Southwest flights
JetBluePriceFrom $304Free CancellationRating
7.1
2,974 reviews
Search JetBlue flights
Alaska AirlinesPriceFrom $347Free CancellationRating
7.9
12,366 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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