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$106+ Cheap flights from St. Louis to Santa Ana (STL - SNA)

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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SNA
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Santa Ana J. Wayne/Orange Cnty are usually found in April or November, booked 12 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

Cheap flight deals from St. Louis to Santa Ana

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Santa Ana (SNA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 3, 2025.

Round-trip from

$222
(FlightHub)

One-way from

$106
(Priceline)

Popular in

June

Cheapest in

April

Average price

$446
From Lambert-St Louis to Santa Ana J. Wayne/Orange Cnty
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One-way flight from Lambert-St Louis to Santa Ana J. Wayne/Orange Cnty
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Highest demand for flights based on searches. 6% potential increase in price ($30 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 July 2025
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Find flight deals from St. Louis to Santa Ana

Cheapest flights from St. Louis to Santa Ana
Explore the most affordable flight options available from St. Louis to Santa Ana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This FlightHub deal was found by Cheapflights users on 7/3. 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.
Tue 9/167:55 pmSTL - SNA
1 stop18h 18mFrontier
Fri 9/1911:52 amSNA - STL
1 stop19h 14mFrontier
Deal found 7/3$222
This FlightHub deal was found by Cheapflights users on 7/2. 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.
Sun 9/72:30 pmSTL - SNA
1 stop23h 08mSpirit Airlines
Wed 9/1012:33 pmSNA - STL
1 stop23h 02mSpirit Airlines
Deal found 7/2$239
This FlightHub deal was found by Cheapflights users on 7/2. 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.
Thu 8/282:30 pmSTL - SNA
1 stop22h 59mMultiple Airlines
Sat 9/612:58 pmSNA - STL
1 stop18h 08mMultiple Airlines
Deal found 7/2$268
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Sat 9/204:50 pmSTL - SNA
1 stop5h 52mUnited Airlines
Tue 9/237:30 amSNA - STL
1 stop7h 23mUnited Airlines
Deal found 7/1$274
This American Airlines deal was found by Cheapflights users on 7/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/185:18 amSTL - SNA
1 stop6h 20mAmerican Airlines
Sun 9/214:35 pmSNA - STL
1 stop5h 24mAmerican Airlines
Deal found 7/1$279
This Southwest deal was found by Cheapflights users on 7/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/208:25 amSTL - SNA
2 stops9h 05mSouthwest
Wed 9/2412:05 pmSNA - STL
1 stop6h 00mSouthwest
Deal found 7/1$284
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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 8/263:35 pmSTL - SNA
1 stop8h 07mAlaska Airlines
Wed 9/36:45 amSNA - STL
1 stop8h 49mAlaska Airlines
Deal found 7/2$318
This Delta deal was found by Cheapflights users on 7/2. 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 8/276:00 amSTL - SNA
1 stop9h 00mDelta
Mon 9/89:20 pmSNA - STL
1 stop9h 55mDelta
Deal found 7/2$319

Cheapflights Fare Finder

Customize your flight search to find flights from St. Louis to Santa Ana 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 July 3, 2025.
Use the filters below to find and compare flights from St. Louis to Santa Ana that are best for you.

Fly from

St. Louis

Fly to

Santa Ana

Route

Depart

Return

Price

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Tue 9/16

7:55 pm-12:13 pm

1 stop18h 18m

Santa Ana J. Wayne/Orange Cnty

Fri 9/19

11:52 am-9:06 am

1 stop19h 14m

$222

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Sun 9/7

2:30 pm-11:38 am

1 stop23h 08m

Santa Ana J. Wayne/Orange Cnty

Wed 9/10

12:33 pm-1:35 pm

1 stop23h 02m

$239

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Thu 8/28

2:30 pm-11:29 am

1 stop22h 59m

Santa Ana J. Wayne/Orange Cnty

Sat 9/6

12:58 pm-9:06 am

1 stop18h 08m

$268

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Sat 9/20

6:15 am-11:05 am

1 stop6h 50m

Santa Ana J. Wayne/Orange Cnty

Wed 9/24

7:30 am-4:53 pm

1 stop7h 23m

$274

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Thu 9/18

5:18 am-9:38 am

1 stop6h 20m

Santa Ana J. Wayne/Orange Cnty

Sun 9/21

4:35 pm-11:59 pm

1 stop5h 24m

$279

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Sat 9/20

8:25 am-3:30 pm

2 stops9h 05m

Santa Ana J. Wayne/Orange Cnty

Wed 9/24

12:05 pm-8:05 pm

1 stop6h 00m

$284

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Tue 8/26

3:35 pm-10:30 pm

1 stop8h 55m

Santa Ana J. Wayne/Orange Cnty

Thu 9/4

12:45 pm-11:59 pm

1 stop9h 14m

$318

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Wed 8/27

6:00 am-1:00 pm

1 stop9h 00m

Santa Ana J. Wayne/Orange Cnty

Mon 9/8

9:20 pm-9:15 am

1 stop9h 55m

$319

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Fri 8/15

2:27 pm-6:40 pm

1 stop6h 13m

$106

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Thu 8/21

2:30 pm-11:29 am

1 stop22h 59m

$130

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 16 results
1
2

Best time to book a flight from St. Louis to Santa Ana

Have a flexible travel schedule? Discover the best time to fly to Santa Ana 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 Santa Ana

How far ahead should I book a flight from St. Louis to Santa Ana?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Santa Ana. Price data was last updated on June 27, 2025.

The best time to book flights from St. Louis to Santa Ana is 11 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from St. Louis to Santa Ana (average of $298). Flying from St. Louis to Santa Ana in March is currently the most expensive (average of $377). 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 SNA?

Find hourly flight availability from St. Louis to Santa Ana. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

One of the essential ways to save on airfare from St. Louis to Santa Ana is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 56% on airfare.

Reviews of airlines servicing Santa Ana

Get insights into the airlines that provide service to Santa Ana. 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 Santa Ana. Reviews last updated July 3, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from St. Louis to Santa Ana to help guide your decision. You can also see how each airline stacks up 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

Food

7.1

Overall

8.0

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

Food

7.1

Overall

8.0

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
4,266 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Food

7.1

Overall

8.0

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
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Food

7.1

Overall

8.0

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
7.8
Good
2,545 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Food

7.1

Overall

8.0

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
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Food

7.1

Overall

8.0

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 Santa Ana. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from St. Louis to Santa Ana round-trip?

    Cheapflights users have booked flights from St. Louis to Santa Ana round-trip from $222. Other airlines that can offer you cheap pricing are Spirit Airlines, from $239, and United Airlines, from $274. These flights start at 48% lower than the current average price 3 months from now.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $106. Spirit Airlines flights start at $130 while deals on Alaska Airlines start at $139 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Santa Ana 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 Santa Ana?

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Santa Ana (average of $298). Flying from St. Louis to Santa Ana in March is currently the most expensive (average of $377). 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 St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Tustin

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Alternative routes for St. Louis to Santa Ana

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Top 5 airlines flying from St. Louis to Santa Ana

Discover the top 5 airlines that operate flights from St. Louis to Santa Ana. 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$144Average$218FlexibilityNo cancel feeOn-time62%
DeltaCheapest$286Average$386FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$322Average$433FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$342Average$442FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$362Average$446FlexibilityNo cancel feeOn-time63%

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