St. Louis

$67+ Cheap flights from California to St. Louis (STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/26. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — STL
may. 4 — may. 111
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Cheap flight deals from California to St. Louis

Keep the following information in mind while searching for California to St. Louis flight deals. Data was last updated abril 29, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$135
(Cheapflightsfares)

One-way from

$74
(Cheapflightsfares)

Popular in

December

Cheapest in

August

Average price

$385

Good round-trip deal

$354 or less

Good one-way deal

$178 or less
Provider with most accurate pricing for Los Angeles-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for Los Angeles-Lambert-St Louis flights.
From California to Lambert-St Louis
One-way flight from California to Lambert-St Louis
Highest demand for flights based on searches. 6% potential increase in price ($26 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from California to Lambert-St Louis.
Price to beat on a one-way flight from California to Lambert-St Louis.

Find flight deals from California to St. Louis

Cheapest flights from California to St. Louis
Explore the most affordable flight options available from California to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 29, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/158:20 amLAS - STL
Nonstop3h 22mFrontier
dom. 8/172:27 pmSTL - LAS
Nonstop3h 36mFrontier
Deal found 4/28$134
This FlightHub deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/95:00 pmLAS - STL
1 stop14h 15mMultiple Airlines
dom. 5/119:55 pmSTL - LAS
Nonstop3h 46mMultiple Airlines
Deal found 4/27$163
This Cheapflightsfares deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/149:24 pmLAS - STL
1 stop9h 51mSpirit Airlines
sáb. 5/1710:10 amSTL - LAS
1 stop14h 44mSpirit Airlines
Deal found 4/28$190
This Cheapflightsfares deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/412:59 amONT - STL
1 stop6h 10mFrontier
sáb. 5/108:15 pmSTL - ONT
1 stop5h 44mFrontier
Deal found 4/27$196
This CheapOair deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/1812:20 pmSJC - STL
1 stop18h 49mFrontier
sáb. 5/247:55 pmSTL - SJC
1 stop17h 26mFrontier
Deal found 4/28$211
This CheapOair deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/112:06 pmBUR - STL
1 stop19h 03mFrontier
sáb. 5/38:15 pmSTL - BUR
1 stop17h 01mFrontier
Deal found 4/27$211
This CheapOair deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/3012:20 pmSNA - STL
1 stop24h 47mFrontier
vie. 5/29:55 pmSTL - SNA
1 stop21h 24mFrontier
Deal found 4/28$211
This Trip.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/13:21 pmSNA - STL
1 stop27h 44mMultiple Airlines
lun. 5/59:55 pmSTL - SNA
1 stop25h 34mMultiple Airlines
Deal found 4/28$238
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/91:00 pmSMF - STL
2 stops7h 27mAmerican Airlines
mar. 9/167:00 amSTL - SMF
1 stop6h 09mAmerican Airlines
Deal found 4/28$252
This Hawaiian Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/291:00 pmSJC - STL
1 stop8h 56mHawaiian Airlines
mar. 11/42:55 pmSTL - SJC
1 stop9h 08mHawaiian Airlines
Deal found 4/27$256
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/55:15 pmSMF - STL
1 stop5h 44mDelta
lun. 6/95:30 pmSTL - SMF
1 stop7h 21mDelta
Deal found 4/28$257
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/55:02 pmSJC - STL
1 stop5h 57mDelta
vie. 6/67:19 pmSTL - SJC
1 stop6h 22mDelta
Deal found 4/28$257

Cheapflights Fare Finder

Customize your flight search to find flights from California to St. Louis 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, Cheapflights users made 2,558,603 searches. Data last updated abril 29, 2025.
Use the filters below to find and compare flights from California to St. Louis that are best for you.

Fly from

California

Fly to

St. Louis

Route

Depart

Return

Price

Las VegasSt. Louis

LAS - STL

LASSTL

Las Vegas Harry Reid Intl

vie. 5/9

3:39 pm-9:05 pm

Nonstop3h 26m

Lambert-St Louis

dom. 5/11

9:55 pm-11:41 pm

Nonstop3h 46m

$135

Las VegasSt. Louis

LAS - STL

LASSTL

Las Vegas Harry Reid Intl

vie. 5/9

5:00 pm-9:15 am

1 stop14h 15m

Lambert-St Louis

dom. 5/11

9:55 pm-11:41 pm

Nonstop3h 46m

$163

Las VegasSt. Louis

LAS - STL

LASSTL

Las Vegas Harry Reid Intl

mié. 5/14

9:24 pm-9:15 am

1 stop9h 51m

Lambert-St Louis

sáb. 5/17

10:10 am-10:54 pm

1 stop14h 44m

$190

OntarioSt. Louis

ONT - STL

ONTSTL

Ontario

dom. 5/4

12:59 am-9:09 am

1 stop6h 10m

Lambert-St Louis

sáb. 5/10

8:15 pm-11:59 pm

1 stop5h 44m

$196

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

dom. 5/18

12:20 pm-9:09 am

1 stop18h 49m

Lambert-St Louis

sáb. 5/24

7:55 pm-11:21 am

1 stop17h 26m

$211

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

mar. 5/13

12:19 pm-9:59 am

1 stop19h 40m

Lambert-St Louis

vie. 5/16

6:53 pm-11:28 am

1 stop18h 35m

$211

BurbankSt. Louis

BUR - STL

BURSTL

Burbank Bob Hope

dom. 5/11

12:06 pm-9:09 am

1 stop19h 03m

Lambert-St Louis

mié. 5/14

8:15 pm-11:16 am

1 stop17h 01m

$212

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

mar. 9/9

1:00 pm-10:27 pm

2 stops7h 27m

Lambert-St Louis

mar. 9/16

7:00 am-11:09 am

1 stop6h 09m

$252

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

jue. 6/5

5:15 pm-12:59 am

1 stop5h 44m

Lambert-St Louis

lun. 6/9

5:30 pm-10:51 pm

1 stop7h 21m

$257

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

jue. 6/5

5:02 pm-12:59 am

1 stop5h 57m

Lambert-St Louis

vie. 6/6

7:19 pm-11:41 pm

1 stop6h 22m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 60 results
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Best time to book a flight from California to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from California with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from California to St. Louis

What is the cheapest month to book a flight from California to St. Louis?

Currently, August is the cheapest month in which you can book a flight from California to St. Louis (average of $311). Flying from California to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CA to STL?

Find hourly flight availability from California to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 29, 2025.

When flying from California to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from California to St. Louis

Explore weekly flight availability from California to St. Louis. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated abril 29, 2025.

The most flights from USCA to STL are scheduled on a Monday (10 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated abril 29, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from California to St. Louis have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.2

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.2

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.2

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
8.0
Very good

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.2

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.2

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.2

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from California to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to St. Louis from California?

    Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly into when you book flights from California to St. Louis.

  • How popular is this California to St. Louis flight route?

  • What are the cheapest airlines to fly from California to St. Louis one-way?

    The cheapest airlines for a one-way flight from California to St. Louis are Frontier ($74), Spirit Airlines ($94), and United Airlines ($119).

  • What are the most popular routes from California to St. Louis?

  • What are the most reliable airlines from California to St. Louis?

    The top 3 most reliable airlines when flying from California to St. Louis are Southwest (94%), Qatar Airways (79%) and Qantas Airways (78%).

  • What are the cheapest flights from California to St. Louis?

    Looking for the cheapest flight from California to St. Louis? While on average our users pay $332, our data indicates the cheapest price to be $143. The most popular route (San Francisco - Lambert-St Louis), is priced around $221.

  • Can I find deals for flights from California to St. Louis that include hotel bookings?

    Yes. In addition to deals on California to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from California to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from California to St. Louis.

  • Can I find deals for business class flights from California to St. Louis?

    Yes. Cheapflights offers flight deals from California to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from California to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from California to St. Louis (average of $311). Flying from California to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near California?

Book flights to California if you plan to visit one of these locations
Fenton
Maryland Heights
Fairview Heights
Collinsville
Wentzville
Eureka
St. Peters
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Glencoe
Alton
Farmington

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Alternative routes for California to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from California to St. Louis

Discover the top 7 airlines that operate flights from California to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated abril 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$66Average$271FlexibilityNo cancel feeOn-time65%
FrontierCheapest$108Average$216FlexibilityNo cancel feeOn-time62%
DeltaCheapest$190Average$378FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$202Average$393FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$246Average$437FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$301Average$455FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$327Average$737FlexibilityNo cancel feeOn-time75%

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