HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Orange County

$96+ Cheap flights from St. Louis (STL) to Orange County

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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SNA
Apr 21 — Apr 281
Mon 4/21
Mon 4/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Orange County with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from St. Louis to Orange County

Keep the following information in mind while searching for St. Louis to Orange County flight deals. Data was last updated April 16, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$191
(CheapOair)

One-way from

$96
(Mytrip)

Popular in

March

Cheapest in

September

Average price

$393
Provider with most accurate pricing for Lambert-St Louis-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Los Angeles flights.
Search Deals
From Lambert-St Louis to Orange County
Search Deals
One-way flight from Lambert-St Louis to Orange County
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from St. Louis to Orange County

Cheapest flights from St. Louis to Orange County
Explore the most affordable flight options available from St. Louis to Orange County. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 16, 2025.

This CheapOair deal was found by Cheapflights users on 4/16. 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.
Sat 4/266:58 pmSTL - SNA
1 stop18h 32mFrontier
Thu 5/16:10 pmSNA - STL
1 stop24h 55mFrontier
Deal found 4/16$191
This Southwest deal was found by Cheapflights users on 4/15. 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 5/133:00 pmSTL - LGB
Nonstop4h 00mSouthwest
Tue 5/201:50 pmLGB - STL
1 stop7h 10mSouthwest
Deal found 4/15$305
This Delta deal was found by Cheapflights users on 4/15. 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 6/32:29 pmSTL - LGB
1 stop9h 03mDelta
Tue 6/105:07 pmLGB - STL
2 stops14h 30mDelta
Deal found 4/15$330
This Mytrip deal was found by Cheapflights users on 4/15. 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 5/2712:15 pmSTL - SNA
3 stops35h 02mMultiple Airlines
Sat 5/314:27 pmSNA - STL
2 stops14h 48mMultiple Airlines
Deal found 4/15$331
This United Airlines deal was found by Cheapflights users on 4/15. 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.
Wed 5/71:41 pmSTL - SNA
2 stops9h 08mUnited Airlines
Sun 5/117:45 amSNA - STL
1 stop7h 22mUnited Airlines
Deal found 4/15$332
This American Airlines deal was found by Cheapflights users on 4/15. 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.
Tue 5/275:19 amSTL - SNA
1 stop7h 22mAmerican Airlines
Sat 5/3110:25 amSNA - STL
1 stop7h 04mAmerican Airlines
Deal found 4/15$333
This Delta deal was found by Cheapflights users on 4/16. 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.
Wed 5/283:50 pmSTL - SNA
1 stop6h 32mDelta
Mon 6/26:55 pmSNA - STL
2 stops13h 52mDelta
Deal found 4/16$346
This Mytrip deal was found by Cheapflights users on 4/16. 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 5/66:10 pmSTL - SNA
3 stops29h 07mSpirit Airlines
Fri 5/94:27 pmSNA - STL
2 stops14h 48mSpirit Airlines
Deal found 4/16$348
This Southwest deal was found by Cheapflights users on 4/15. 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 6/285:25 amSTL - SNA
1 stop9h 00mSouthwest
Wed 7/22:25 pmSNA - STL
1 stop7h 55mSouthwest
Deal found 4/15$367
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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.
Wed 4/306:30 amSTL - SNA
1 stop8h 37mAlaska Airlines
Sat 10/188:00 amSNA - STL
1 stop13h 56mAlaska Airlines
Deal found 4/16$503

Cheapflights Fare Finder

Customize your flight search to find flights from St. Louis to Orange County 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 16, 2025.
Use the filters below to find and compare flights from St. Louis to Orange County that are best for you.

Fly from

St. Louis

Fly to

Orange County

Route

Depart

Return

Price

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Sat 4/26

6:58 pm-11:30 am

1 stop18h 32m

Santa Ana J. Wayne/Orange Cnty

Thu 5/1

6:10 pm-9:05 pm

1 stop24h 55m

$191

St. LouisLong Beach

STL - LGB

STLLGB

Lambert-St Louis

Tue 5/13

3:00 pm-5:00 pm

Nonstop4h 00m

Long Beach Municipal

Tue 5/20

1:50 pm-11:00 pm

1 stop7h 10m

$305

St. LouisLong Beach

STL - LGB

STLLGB

Lambert-St Louis

Tue 6/3

2:29 pm-9:32 pm

1 stop9h 03m

Long Beach Municipal

Tue 6/10

5:07 pm-9:37 am

2 stops14h 30m

$330

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Tue 5/27

12:15 pm-9:17 pm

3 stops35h 02m

Santa Ana J. Wayne/Orange Cnty

Sat 5/31

4:27 pm-9:15 am

2 stops14h 48m

$331

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Wed 5/7

1:41 pm-8:49 pm

2 stops9h 08m

Santa Ana J. Wayne/Orange Cnty

Sun 5/11

7:45 am-5:07 pm

1 stop7h 22m

$332

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Tue 5/27

5:19 am-10:41 am

1 stop7h 22m

Santa Ana J. Wayne/Orange Cnty

Sat 5/31

10:25 am-7:29 pm

1 stop7h 04m

$333

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Wed 5/28

3:50 pm-8:22 pm

1 stop6h 32m

Santa Ana J. Wayne/Orange Cnty

Mon 6/2

6:55 pm-10:47 am

2 stops13h 52m

$346

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Tue 5/6

6:10 pm-9:17 pm

3 stops29h 07m

Santa Ana J. Wayne/Orange Cnty

Fri 5/9

4:27 pm-9:15 am

2 stops14h 48m

$348

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Sat 6/28

5:25 am-12:25 pm

1 stop9h 00m

Santa Ana J. Wayne/Orange Cnty

Wed 7/2

2:25 pm-12:20 am

1 stop7h 55m

$367

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Wed 4/30

6:30 am-1:07 pm

1 stop8h 37m

Santa Ana J. Wayne/Orange Cnty

Sat 10/18

8:00 am-11:56 pm

1 stop13h 56m

$503

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 20 results
1
2

Best time to book a flight from St. Louis to Orange County

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

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

Currently, January is the cheapest month in which you can book a flight from St. Louis to Orange County (average of $298). Flying from St. Louis to Orange County in June is currently the most expensive (average of $409). 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 STL to KFI?

Find hourly flight availability from St. Louis to Orange County. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from St. Louis to Orange County as you normally would.

Weekly flight availability from St. Louis to Orange County

Explore weekly flight availability from St. Louis to Orange County. 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 April 16, 2025.

The most flights from STL to zzKFI are scheduled on a Monday (2 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Orange County by month

Plan your trip to Orange County by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Orange County ranges from 0.0 - 3.1 inches per month. February is typically the wettest month, when rainfall can reach 3.1 in. July is typically the driest time to visit Orange County when rainfall is around 0.0 in.

Temperature in Orange County by month

Plan your trip to Orange County by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Orange County, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 55.4 F).

Reviews of airlines servicing Orange County

Get insights into the airlines that provide service to Orange County. 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 Orange County. Reviews last updated April 16, 2025.
To help decide which airline to fly from St. Louis to Orange County, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,882 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.1

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,882 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.1

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,282 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.1

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,917 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.1

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,665 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.1

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.1

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Orange County. 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 from for flights from St. Louis to 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 Orange County from St. Louis.

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

    $96 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Southwest and Spirit Airlines, with prices starting from $148 and $152, respectively.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Orange County (average of $298). Flying from St. Louis to Orange County in June is currently the most expensive (average of $409). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Orange County

See prices for flight routes from nearby airports that may be better suited for you.
St. Louis to Las Vegas flights
Kansas City to Las Vegas flights
Kansas City to Los Angeles flights
Kansas City to San Francisco flights
St. Louis to Los Angeles flights
St. Louis to San Francisco flights
Kansas City to San Diego flights
St. Louis to San Diego flights
Kansas City to Ontario flights
St. Louis to Ontario flights
St. Louis to Sacramento flights
St. Louis to Santa Ana flights
Springfield to Fresno flights
Kansas City to Burbank flights
Kansas City to Santa Ana flights
Kansas City to San Jose flights
Kansas City to Sacramento flights
Springfield to Las Vegas flights
Kansas City to Oakland flights
Kansas City to Fresno flights
Kansas City to Reno flights
St. Louis to San Jose flights
St. Louis to Burbank flights
St. Louis to Long Beach flights
St. Louis to Fresno flights
Springfield to Ontario flights
St. Louis to Santa Barbara flights
St. Louis to Palm Springs flights
St. Louis to Reno flights
Springfield to Santa Ana flights
St. Louis to Oakland flights
Springfield to San Francisco flights
Springfield to Reno flights
Springfield to Sacramento flights
Springfield to San Diego flights
Kansas City to Santa Barbara flights
Kansas City to Palm Springs flights
Kansas City to San Luis Obispo flights
Joplin to Las Vegas flights
Kansas City to Long Beach flights
St. Louis to Medford flights
Kansas City to Medford flights
Springfield to Los Angeles flights
Springfield to Palm Springs flights
Kansas City to Monterey flights
Columbia to Las Vegas flights
Columbia to San Francisco flights
Kansas City to Bakersfield flights
Springfield to San Luis Obispo flights
Joplin to Los Angeles flights

Top 5 airlines flying from St. Louis to Orange County

Discover the top 5 airlines that operate flights from St. Louis to Orange County. 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 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$144Average$218FlexibilityNo cancel feeOn-time62%
DeltaCheapest$286Average$386FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$326Average$433FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$366Average$456FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$366Average$447FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.