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$140+ 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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — STL
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$290
(Booking.com)

One-way from

$140
(Booking.com)

Popular in

December

Cheapest in

August

Average price

$392
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. 6% potential increase in price ($26 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 May 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 May 1, 2025.

This Booking.com deal was found by Cheapflights users on 4/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/412:14 pmSNA - STL
1 stop18h 55mFrontier
Wed 5/78:15 pmSTL - SNA
1 stop17h 09mFrontier
Deal found 4/30$228
This Delta deal was found by Cheapflights users on 4/29. 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.
Tue 5/204:54 pmLGB - STL
1 stop5h 39mDelta
Wed 5/217:30 amSTL - LGB
1 stop6h 45mDelta
Deal found 4/29$305
This Mytrip deal was found by Cheapflights users on 4/30. 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.
Tue 5/2711:47 amSNA - STL
3 stops43h 28mMultiple Airlines
Fri 5/3012:15 pmSTL - SNA
3 stops35h 02mMultiple Airlines
Deal found 4/30$313
This Southwest deal was found by Cheapflights users on 4/30. 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.
Wed 5/288:10 amLGB - STL
2 stops7h 40mSouthwest
Wed 6/48:30 amSTL - LGB
1 stop6h 35mSouthwest
Deal found 4/30$320
This Delta deal was found by Cheapflights users on 4/30. 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 6/96:59 pmSNA - STL
2 stops13h 38mDelta
Sat 6/143:57 pmSTL - SNA
1 stop6h 12mDelta
Deal found 4/30$322
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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.
Tue 9/3012:45 pmSNA - STL
1 stop9h 14mAlaska Airlines
Tue 10/72:55 pmSTL - SNA
1 stop9h 35mAlaska Airlines
Deal found 4/30$326
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Mon 6/93:13 pmSNA - STL
1 stop6h 41mAmerican Airlines
Sat 6/145:25 amSTL - SNA
1 stop7h 13mAmerican Airlines
Deal found 4/30$349
This Southwest deal was found by Cheapflights users on 4/30. 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.
Tue 7/17:15 amSNA - STL
2 stops9h 10mSouthwest
Wed 7/236:20 amSTL - SNA
1 stop7h 35mSouthwest
Deal found 4/30$382
This United Airlines deal was found by Cheapflights users on 5/1. 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 5/1311:00 amSNA - STL
2 stops8h 01mUnited Airlines
Tue 5/204:50 pmSTL - SNA
1 stop6h 46mUnited Airlines
Deal found 5/1$412
This Hawaiian Airlines deal was found by Cheapflights users on 4/30. 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.
Mon 5/51:30 pmSNA - STL
1 stop8h 29mHawaiian Airlines
Thu 5/86:30 amSTL - SNA
1 stop8h 37mHawaiian Airlines
Deal found 4/30$644

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 May 1, 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 5/27

12:01 pm-10:09 am

1 stop20h 08m

Lambert-St Louis

Fri 5/30

7:24 pm-11:11 am

1 stop17h 47m

$290

Long BeachSt. Louis

LGB - STL

LGBSTL

Long Beach Municipal

Tue 5/20

4:54 pm-12:33 am

1 stop5h 39m

Lambert-St Louis

Wed 5/21

7:30 am-12:15 pm

1 stop6h 45m

$305

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Tue 5/27

11:47 am-9:15 am

3 stops43h 28m

Lambert-St Louis

Fri 5/30

12:15 pm-9:17 pm

3 stops35h 02m

$313

Long BeachSt. Louis

LGB - STL

LGBSTL

Long Beach Municipal

Wed 5/28

8:10 am-5:50 pm

2 stops7h 40m

Lambert-St Louis

Wed 6/4

8:30 am-1:05 pm

1 stop6h 35m

$320

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Mon 6/9

6:59 pm-10:37 am

2 stops13h 38m

Lambert-St Louis

Sat 6/14

3:57 pm-8:09 pm

1 stop6h 12m

$322

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Tue 9/30

12:45 pm-11:59 pm

1 stop9h 14m

Lambert-St Louis

Tue 10/7

2:55 pm-10:30 pm

1 stop9h 35m

$326

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Mon 6/9

3:13 pm-11:54 pm

1 stop6h 41m

Lambert-St Louis

Sat 6/14

5:25 am-10:38 am

1 stop7h 13m

$349

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Tue 7/1

7:15 am-6:25 pm

2 stops9h 10m

Lambert-St Louis

Wed 7/23

6:20 am-11:55 am

1 stop7h 35m

$382

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Tue 5/13

11:00 am-9:01 pm

2 stops8h 01m

Lambert-St Louis

Tue 5/20

4:50 pm-9:36 pm

1 stop6h 46m

$412

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Thu 5/8

6:10 pm-9:05 pm

1 stop24h 55m

$140

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 17 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 May 1, 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 May 1, 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
9,972 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,972 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,294 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,934 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

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 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 $140. However, be on the lookout for offers from Southwest and Delta, 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
O'Fallon

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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 5 airlines flying from Orange County to St. Louis

Discover the top 5 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$138Average$233FlexibilityNo cancel feeOn-time62%
DeltaCheapest$346Average$490FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$352Average$454FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$376Average$477FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$391Average$492FlexibilityNo cancel feeOn-time63%

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