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St. Louis

$126+ Cheap flights from Orange County 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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — STL
Apr 14 — Apr 211
Mon 4/14
Mon 4/21
1 adult, Economy
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Cheap flight deals from Orange County to St. Louis

Keep the following information in mind while searching for Orange County to St. Louis flight deals. Data was last updated April 9, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$180
(CheapOair)

One-way from

$126
(CheapOair)

Popular in

December

Cheapest in

August

Average price

$376
Provider with most accurate pricing for Los Angeles-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Lambert-St Louis flights.
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From Orange County to Lambert-St Louis
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One-way flight from Orange County to Lambert-St Louis
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Highest demand for flights based on searches. 5% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Orange County to St. Louis

Cheapest flights from Orange County to St. Louis
Explore the most affordable flight options available from Orange County to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 9, 2025.

This CheapOair deal was found by Cheapflights users on 4/9. 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.
Tue 5/1312:19 pmSNA - STL
1 stop19h 40mFrontier
Sat 5/178:15 pmSTL - SNA
1 stop17h 09mFrontier
Deal found 4/9$180
This Southwest deal was found by Cheapflights users on 4/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/511:15 amLGB - STL
Nonstop3h 35mSouthwest
Wed 5/73:00 pmSTL - LGB
Nonstop4h 00mSouthwest
Deal found 4/7$314
This Delta deal was found by Cheapflights users on 4/8. 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.
Mon 5/196:55 pmSNA - STL
2 stops13h 52mDelta
Wed 5/216:00 amSTL - SNA
1 stop9h 00mDelta
Deal found 4/8$346
This United Airlines deal was found by Cheapflights users on 4/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/69:52 amSNA - STL
2 stops9h 09mUnited Airlines
Fri 5/94:45 pmSTL - SNA
1 stop6h 10mUnited Airlines
Deal found 4/8$348
This Mytrip deal was found by Cheapflights users on 4/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/13:21 pmSNA - STL
2 stops18h 10mMultiple Airlines
Sat 5/1010:10 amSTL - SNA
2 stops26h 42mMultiple Airlines
Deal found 4/9$350
This American Airlines deal was found by Cheapflights users on 4/8. 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.
Fri 5/162:45 pmSNA - STL
1 stop6h 00mAmerican Airlines
Sun 5/185:00 amSTL - SNA
1 stop6h 34mAmerican Airlines
Deal found 4/8$359
This Delta deal was found by Cheapflights users on 4/8. 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.
Sun 5/184:54 pmLGB - STL
1 stop6h 05mDelta
Tue 5/207:30 amSTL - LGB
1 stop6h 45mDelta
Deal found 4/8$377
This Southwest deal was found by Cheapflights users on 4/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/127:00 amSNA - STL
2 stops9h 20mSouthwest
Sat 7/199:20 pmSTL - SNA
2 stops13h 25mSouthwest
Deal found 4/8$423
This Alaska Airlines deal was found by Cheapflights users on 4/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/151:30 pmSNA - STL
1 stop8h 34mAlaska Airlines
Mon 5/193:03 pmSTL - SNA
1 stop9h 27mAlaska Airlines
Deal found 4/8$547
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/208:45 amLGB - STL
2 stops37h 14mAlaska Airlines
Sun 7/277:32 pmSTL - LGB
2 stops50h 18mAlaska Airlines
Deal found 4/7$1,691

Cheapflights Fare Finder

Customize your flight search to find flights from Orange County 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 April 9, 2025.
Use the filters below to find and compare flights from Orange County to St. Louis that are best for you.

Fly from

Orange County

Fly to

St. Louis

Route

Depart

Return

Price

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Tue 5/13

12:19 pm-9:59 am

1 stop19h 40m

Lambert-St Louis

Sat 5/17

8:15 pm-11:24 am

1 stop17h 09m

$180

Long BeachSt. Louis

LGB - STL

LGBSTL

Long Beach Municipal

Mon 5/5

11:15 am-4:50 pm

Nonstop3h 35m

Lambert-St Louis

Wed 5/7

3:00 pm-5:00 pm

Nonstop4h 00m

$314

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Mon 5/19

6:55 pm-10:47 am

2 stops13h 52m

Lambert-St Louis

Wed 5/21

6:00 am-1:00 pm

1 stop9h 00m

$346

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Tue 5/6

9:52 am-9:01 pm

2 stops9h 09m

Lambert-St Louis

Fri 5/9

4:45 pm-8:55 pm

1 stop6h 10m

$348

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Thu 5/1

3:21 pm-11:31 am

2 stops18h 10m

Lambert-St Louis

Sat 5/10

10:10 am-10:52 am

2 stops26h 42m

$350

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Fri 5/16

2:45 pm-10:45 pm

1 stop6h 00m

Lambert-St Louis

Sun 5/18

5:00 am-9:34 am

1 stop6h 34m

$359

Long BeachSt. Louis

LGB - STL

LGBSTL

Long Beach Municipal

Sun 5/18

4:54 pm-12:59 am

1 stop6h 05m

Lambert-St Louis

Tue 5/20

7:30 am-12:15 pm

1 stop6h 45m

$377

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Thu 5/15

7:58 pm-9:15 am

2 stops35h 17m

Lambert-St Louis

Sun 5/18

10:10 am-10:52 am

3 stops26h 42m

$410

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Sat 7/12

7:00 am-6:20 pm

2 stops9h 20m

Lambert-St Louis

Sat 7/19

9:20 pm-8:45 am

2 stops13h 25m

$423

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Thu 5/15

1:30 pm-12:04 am

1 stop8h 34m

Lambert-St Louis

Mon 5/19

3:03 pm-10:30 pm

1 stop9h 27m

$547

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/8

Showing 1-10 of 21 results
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Best time to book a flight from Orange County to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Orange County 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 Orange County to St. Louis

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

Currently, August is the cheapest month in which you can book a flight from Orange County to St. Louis (average of $311). Flying from Orange County 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 KFI to STL?

Find hourly flight availability from Orange County 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 April 9, 2025.

When flying from Orange County 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.

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 April 9, 2025.
Read through reviews of airlines operating flights from Orange County to St. Louis, such as Alaska Airlines, Southwest and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,847 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,847 reviews
Alaska Airlines
8.0
Very good
9,847 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,281 reviews
Alaska Airlines
8.0
Very good
9,847 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,906 reviews
Alaska Airlines
8.0
Very good
9,847 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,633 reviews
Alaska Airlines
8.0
Very good
9,847 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,847 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Orange County 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 Orange County?

    Located just 12.7 mi from the city center, Lambert-St Louis (STL) is the airport most travelers will use when flying to St. Louis from Orange County.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $126. However, be on the lookout for offers from Spirit Airlines and Southwest, as they are both options that can get you from Orange County to St. Louis for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Orange County 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 Orange County to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Orange County to St. Louis (average of $311). Flying from Orange County 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 Orange County?

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

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Alternative routes for Orange County to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Orange County to St. Louis

Discover the top 6 airlines that operate flights from Orange County 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 April 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$138Average$233FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$143Average$307FlexibilityNo cancel feeOn-time65%
DeltaCheapest$346Average$473FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$352Average$449FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$376Average$474FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$391Average$527FlexibilityNo cancel feeOn-time63%

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