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Orange County

$100+ 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 6/27. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SNA
Jun 21 — Jun 281
Sat 6/21
Sat 6/28
1 adult, Economy
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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 June 16, 2025.

Round-trip from

$210
(CheapOair)

One-way from

$100
(Priceline)

Popular in

March

Cheapest in

September

Average price

$425
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. 4% potential increase in price ($18 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
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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 June 16, 2025.

This CheapOair deal was found by Cheapflights users on 6/14. 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.
Mon 6/307:29 pmSTL - SNA
1 stop17h 47mFrontier
Fri 7/412:01 pmSNA - STL
1 stop19h 10mFrontier
Deal found 6/14$210
This Delta deal was found by Cheapflights users on 6/16. 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.
Mon 8/256:45 pmSTL - SNA
1 stop5h 38mDelta
Thu 8/287:05 amSNA - STL
1 stop8h 42mDelta
Deal found 6/16$279
This Southwest deal was found by Cheapflights users on 6/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/259:50 amSTL - SNA
2 stops6h 30mSouthwest
Thu 8/281:20 pmSNA - STL
1 stop7h 15mSouthwest
Deal found 6/16$284
This Mytrip deal was found by Cheapflights users on 6/13. 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.
Sat 7/1910:45 amSTL - SNA
2 stops34h 18mSpirit Airlines
Tue 7/297:58 pmSNA - STL
2 stops12h 31mSpirit Airlines
Deal found 6/13$321
This Mytrip deal was found by Cheapflights users on 6/16. 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.
Thu 9/48:44 amSTL - SNA
3 stops27h 17mMultiple Airlines
Mon 9/86:45 amSNA - STL
3 stops27h 25mMultiple Airlines
Deal found 6/16$330
This United Airlines deal was found by Cheapflights users on 6/14. 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.
Mon 6/305:15 amSTL - SNA
1 stop5h 59mUnited Airlines
Fri 7/46:50 amSNA - STL
2 stops9h 17mUnited Airlines
Deal found 6/14$334
This American Airlines deal was found by Cheapflights users on 6/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/16:00 amSTL - SNA
1 stop6h 42mAmerican Airlines
Sat 7/124:37 pmSNA - STL
1 stop5h 37mAmerican Airlines
Deal found 6/16$343
This Southwest deal was found by Cheapflights users on 6/14. 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 8/115:15 amSTL - LGB
1 stop6h 15mSouthwest
Thu 8/142:20 pmLGB - STL
1 stop7h 05mSouthwest
Deal found 6/14$353
This Delta deal was found by Cheapflights users on 6/15. 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.
Sat 8/167:35 amSTL - LGB
1 stop6h 37mDelta
Sat 8/235:08 pmLGB - STL
1 stop5h 30mDelta
Deal found 6/15$365
This Alaska Airlines deal was found by Cheapflights users on 6/14. 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 11/67:00 amSTL - SNA
2 stops17h 15mAlaska Airlines
Mon 11/109:15 pmSNA - STL
1 stop15h 50mAlaska Airlines
Deal found 6/14$396
This lol.travel deal was found by Cheapflights users on 6/14. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/193:24 pmSTL - SNA
1 stop9h 06mHawaiian Airlines
Sat 7/261:30 pmSNA - STL
1 stop8h 29mHawaiian Airlines
Deal found 6/14$971

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 June 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

Mon 6/30

7:29 pm-11:16 am

1 stop17h 47m

Santa Ana J. Wayne/Orange Cnty

Thu 7/3

3:32 pm-1:42 pm

1 stop20h 10m

$210

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Mon 8/25

6:45 pm-10:23 pm

1 stop5h 38m

Santa Ana J. Wayne/Orange Cnty

Thu 8/28

7:05 am-5:47 pm

1 stop8h 42m

$279

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Mon 8/25

9:50 am-2:20 pm

2 stops6h 30m

Santa Ana J. Wayne/Orange Cnty

Thu 8/28

1:20 pm-10:35 pm

1 stop7h 15m

$284

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Sat 7/19

10:45 am-7:03 pm

2 stops34h 18m

Santa Ana J. Wayne/Orange Cnty

Tue 7/29

7:58 pm-10:29 am

2 stops12h 31m

$321

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Thu 9/4

8:44 am-10:01 am

3 stops27h 17m

Santa Ana J. Wayne/Orange Cnty

Mon 9/8

6:45 am-12:10 pm

3 stops27h 25m

$330

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Mon 6/30

5:15 am-9:14 am

1 stop5h 59m

Santa Ana J. Wayne/Orange Cnty

Fri 7/4

6:50 am-6:07 pm

2 stops9h 17m

$334

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Tue 7/1

6:00 am-10:42 am

1 stop6h 42m

Santa Ana J. Wayne/Orange Cnty

Sat 7/12

4:37 pm-12:14 am

1 stop5h 37m

$343

St. LouisLong Beach

STL - LGB

STLLGB

Lambert-St Louis

Mon 8/11

5:15 am-9:30 am

1 stop6h 15m

Long Beach Municipal

Thu 8/14

2:20 pm-11:25 pm

1 stop7h 05m

$353

St. LouisLong Beach

STL - LGB

STLLGB

Lambert-St Louis

Sat 8/16

7:35 am-12:12 pm

1 stop6h 37m

Long Beach Municipal

Sat 8/23

5:08 pm-12:38 am

1 stop5h 30m

$365

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Fri 7/25

8:37 am-10:18 pm

2 stops15h 41m

Santa Ana J. Wayne/Orange Cnty

Tue 7/29

7:00 am-11:30 pm

2 stops14h 30m

$537

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/13

Showing 1-10 of 23 results
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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 March is currently the most expensive (average of $378). 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 June 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.

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 June 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
10,000 reviews

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.1

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.1

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
4,278 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.1

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
7,963 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,500 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.1

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
8,801 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.1

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 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?

    $100 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Alaska Airlines and Spirit Airlines, with prices starting from $139 and $155, 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 March is currently the most expensive (average of $378). 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

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Alternative routes for St. Louis to Orange County

See prices for flight routes from nearby airports that may be better suited for you.
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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 June 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$144Average$218FlexibilityNo cancel feeOn-time62%
DeltaCheapest$286Average$386FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$322Average$436FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$342Average$441FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$362Average$446FlexibilityNo cancel feeOn-time63%

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