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Cheap flights from Missouri to California from $55

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to California departing on 1/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

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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
8:41 pm - 11:31 pm
MCI
-
SAN
28h 50m1 stop
Frontier Logo
6:30 am - 7:51 pm
SAN
-
MCI
11h 21m1 stop
$119Frontier
Fri, Jan 30 - Mon, Feb 2
Multiple Airlines Logo
7:00 am - 8:14 am
MCI
-
LAS
3h 14mnonstop
Multiple Airlines Logo
10:05 pm - 9:29 am
LAS
-
MCI
9h 24m1 stop
$120Multiple Airlines
Wed, Feb 18 - Sat, Feb 21
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
Frontier Logo
9:45 pm - 11:44 pm
STL
-
LAS
3h 59mnonstop
Frontier Logo
3:50 pm - 9:06 pm
LAS
-
STL
3h 16mnonstop
$123Frontier
Mon, Feb 2 - Thu, Feb 5
Frontier Logo
3:46 pm - 11:31 pm
STL
-
SAN
9h 45m1 stop
Frontier Logo
8:16 pm - 12:50 pm
SAN
-
STL
14h 34m1 stop
$123Frontier
Wed, Jan 21 - Sun, Jan 25
Spirit Airlines Logo
7:00 am - 8:14 am
MCI
-
LAS
3h 14mnonstop
Spirit Airlines Logo
6:48 pm - 11:33 pm
LAS
-
MCI
2h 45mnonstop
$125Spirit Airlines
Tue, Feb 24 - Sat, Feb 28
Spirit Airlines Logo
7:00 am - 8:14 am
MCI
-
LAS
3h 14mnonstop
Spirit Airlines Logo
6:48 pm - 11:33 pm
LAS
-
MCI
2h 45mnonstop
$126Spirit Airlines
Wed, Feb 25 - Sat, Feb 28
Spirit Airlines Logo
7:00 am - 8:14 am
MCI
-
LAS
3h 14mnonstop
Spirit Airlines Logo
6:48 pm - 11:33 pm
LAS
-
MCI
2h 45mnonstop
$127Spirit Airlines
Tue, Feb 24 - Thu, Feb 26
Spirit Airlines Logo
7:00 am - 8:14 am
MCI
-
LAS
3h 14mnonstop
Spirit Airlines Logo
6:48 pm - 11:33 pm
LAS
-
MCI
2h 45mnonstop
$129Spirit Airlines
Fri, Jan 23 - Wed, Jan 28

American Airlines flights from Missouri to California

Our best American Airlines deals on Missouri to California flight tickets
American Airlines
Jan 15
MCI6:07 pmKansas City
6h 06m
1 stop
ONT10:13 pmOntario
Jan 21
ONT6:22 amOntario
5h 13m
1 stop
MCI1:35 pmKansas City
$237
Find similar
American Airlines
Jan 13
MCI7:00 amKansas City
11h 05m
2 stops
ONT4:05 pmOntario
Jan 20
ONT3:09 pmOntario
6h 03m
1 stop
MCI11:12 pmKansas City
$242
Find similar
American Airlines
Jan 19
MCI5:48 amKansas City
6h 20m
1 stop
ONT10:08 amOntario
Jan 27
ONT6:22 amOntario
5h 13m
1 stop
MCI1:35 pmKansas City
$278
Find similar

Frontier flights from Missouri to California

Our best Frontier deals on Missouri 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 30
MCI8:41 pmKansas City
28h 50m
1 stop
SAN11:31 pmSan Diego
Feb 2
SAN6:30 amSan Diego
11h 21m
1 stop
MCI7:51 pmKansas City
$119
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

momondo Fare Finder

 
Customize your flight search to find flights from Missouri 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 Missouri 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

Kansas CitySan Diego

MCI - SAN

MCISAN

Kansas City

Fri 1/30

8:41 pm-11:31 pm

1 stop28h 50m

San Diego

Mon 2/2

6:30 am-7:51 pm

1 stop11h 21m

$119

Kansas CityLas Vegas

MCI - LAS

MCILAS

Kansas City

Wed 2/18

7:00 am-8:14 am

Nonstop3h 14m

Las Vegas Harry Reid Intl

Sat 2/21

10:05 pm-9:29 am

1 stop9h 24m

$120

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. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Mon 2/2

9:45 pm-11:44 pm

Nonstop3h 59m

Las Vegas Harry Reid Intl

Thu 2/5

3:50 pm-9:06 pm

Nonstop3h 16m

$123

St. LouisSan Diego

STL - SAN

STLSAN

Lambert-St Louis

Wed 1/21

3:46 pm-11:31 pm

1 stop9h 45m

San Diego

Sun 1/25

8:16 pm-12:50 pm

1 stop14h 34m

$123

Kansas CityLas Vegas

MCI - LAS

MCILAS

Kansas City

Tue 2/24

7:00 am-8:14 am

Nonstop3h 14m

Las Vegas Harry Reid Intl

Sat 2/28

6:48 pm-11:33 pm

Nonstop2h 45m

$125

Kansas CityLas Vegas

MCI - LAS

MCILAS

Kansas City

Wed 2/25

7:00 am-8:14 am

Nonstop3h 14m

Las Vegas Harry Reid Intl

Sat 2/28

6:48 pm-11:33 pm

Nonstop2h 45m

$126

Kansas CityLas Vegas

MCI - LAS

MCILAS

Kansas City

Tue 2/24

7:00 am-8:14 am

Nonstop3h 14m

Las Vegas Harry Reid Intl

Thu 2/26

6:48 pm-11:33 pm

Nonstop2h 45m

$127

Kansas CityLas Vegas

MCI - LAS

MCILAS

Kansas City

Fri 1/23

7:00 am-8:14 am

Nonstop3h 14m

Las Vegas Harry Reid Intl

Wed 1/28

6:48 pm-11:33 pm

Nonstop2h 45m

$129

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 Missouri 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 Missouri averaging around $310.

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

The cheapest day to depart from Missouri to California is on a Thursday. Travelers who choose to depart for California on a Thursday will often find tickets for as low as $288. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to California on Monday is $368.

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 evening when flights can be purchased for as low as $202. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $421 on average. Flights to California from Missouri at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Missouri to California flight route?

Fly from Lambert-St Louis to San Diego for the best Missouri - 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 Missouri 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 Missouri for as low as $303 on momondo.

What cabin class options are available on Missouri to California flights?

There are 4 cabin classes available to choose from on Missouri 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 Missouri to California flights?

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

Cheap Missouri to California flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to California

Best Price Found

$174

Fastest flight time

3h 00m

Direct flights

Every day

Airports in California

418 airports
The best one-way flight to California from Missouri in the past 72 hours is $174. The best round-trip flight deal from Missouri to California found on momondo in the last 72 hours is $369.
The fastest flight from Missouri to California takes 3h 00m
Direct flights go from Missouri to California every day.
There are 418 airports in California. From Missouri there are direct flights to Las Vegas Harry Reid Intl (LAS).
Search flight deals

  • When did momondo last update prices for flights from Missouri to California?

    Prices for flights from Missouri to California are updated daily.

  • How many operators does momondo search for flights from Missouri to California?

  • How old do you have to be to fly from Missouri 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 Missouri to California.

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

    The required travel and health documents for your California trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at California. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Missouri to California?

Best airlines flying from Missouri to California

Compare and see reviews for airlines that fly from Missouri to California with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $75Free CancellationRating
5.8
3,081 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $88Free CancellationRating
6.3
8,190 reviews
Search Spirit Airlines flights
Allegiant AirPriceFrom $143Free CancellationRating
7.2
700 reviews
Search Allegiant Air flights
DeltaPriceFrom $149Free CancellationRating
7.9
8,007 reviews
Search Delta flights
American AirlinesPriceFrom $179Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
United AirlinesPriceFrom $182Free CancellationRating
7.4
9,091 reviews
Search United Airlines flights
SouthwestPriceFrom $199Free CancellationRating
7.9
4,249 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $228Free CancellationRating
8.0
11,476 reviews
Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to California?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Missouri to California for you.

Can I find flights from Missouri to California with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Missouri to California flights to just show those with flexible booking policies.

How can momondo help me find flights from Missouri to California?

momondo helps you find the best flight between Missouri and California by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Missouri to California right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Missouri to California now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to California and let you know when they change.

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Find better results for your trip to California

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