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$131+ 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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SNA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$279
(Delta)

One-way from

$131
(Mytrip)

Popular in

June

Cheapest in

April

Average price

$499
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. 5% potential increase in price ($27 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/10. 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
Wed 9/312:44 pmSNA - STL
1 stop8h 39mDelta
Deal found 6/10$279
This Mytrip deal was found by Cheapflights users on 6/11. 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.
Mon 7/77:13 pmSTL - SNA
2 stops23h 14mSpirit Airlines
Fri 7/116:45 amSNA - STL
2 stops29h 54mSpirit Airlines
Deal found 6/11$290
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 12/97:00 amSTL - SNA
1 stop11h 10mAlaska Airlines
Sat 12/136:45 amSNA - STL
1 stop15h 11mAlaska Airlines
Deal found 6/10$314
This Mytrip deal was found by Cheapflights users on 6/11. 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 7/39:20 amSTL - SNA
3 stops33h 07mMultiple Airlines
Thu 7/106:45 amSNA - STL
2 stops25h 07mMultiple Airlines
Deal found 6/11$318
This American Airlines deal was found by Cheapflights users on 6/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/26:00 amSTL - SNA
1 stop6h 42mAmerican Airlines
Tue 7/83:07 pmSNA - STL
1 stop6h 44mAmerican Airlines
Deal found 6/9$343
This FlightHub deal was found by Cheapflights users on 6/10. 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 11/62:19 pmSTL - SNA
1 stop5h 55mFrontier
Tue 11/1112:01 pmSNA - STL
1 stop19h 06mFrontier
Deal found 6/10$345
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 11/68:20 amSTL - SNA
1 stop7h 12mUnited Airlines
Tue 11/1111:15 amSNA - STL
2 stops9h 32mUnited Airlines
Deal found 6/10$374
This Southwest deal was found by Cheapflights users on 6/10. 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 10/62:25 pmSTL - SNA
2 stops9h 20mSouthwest
Fri 10/107:25 amSNA - STL
1 stop6h 35mSouthwest
Deal found 6/10$391

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 June 12, 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

Mon 8/25

6:45 pm-10:23 pm

1 stop5h 38m

Santa Ana J. Wayne/Orange Cnty

Wed 9/3

12:44 pm-11:23 pm

1 stop8h 39m

$279

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Mon 7/7

7:13 pm-4:27 pm

2 stops23h 14m

Santa Ana J. Wayne/Orange Cnty

Fri 7/11

6:45 am-2:39 pm

2 stops29h 54m

$290

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Tue 12/9

7:00 am-4:10 pm

1 stop11h 10m

Santa Ana J. Wayne/Orange Cnty

Sat 12/13

6:45 am-11:56 pm

1 stop15h 11m

$314

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Thu 7/3

9:20 am-4:27 pm

3 stops33h 07m

Santa Ana J. Wayne/Orange Cnty

Thu 7/10

6:45 am-9:52 am

2 stops25h 07m

$318

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Wed 7/2

6:00 am-10:42 am

1 stop6h 42m

Santa Ana J. Wayne/Orange Cnty

Tue 7/8

3:07 pm-11:51 pm

1 stop6h 44m

$343

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Thu 11/6

2:19 pm-6:14 pm

1 stop5h 55m

Santa Ana J. Wayne/Orange Cnty

Tue 11/11

12:01 pm-9:07 am

1 stop19h 06m

$345

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Thu 11/6

8:20 am-1:32 pm

1 stop7h 12m

Santa Ana J. Wayne/Orange Cnty

Tue 11/11

11:15 am-10:47 pm

2 stops9h 32m

$374

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Mon 10/6

2:25 pm-9:45 pm

2 stops9h 20m

Santa Ana J. Wayne/Orange Cnty

Fri 10/10

7:25 am-4:00 pm

1 stop6h 35m

$391

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Thu 7/10

10:47 am-11:26 am

2 stops26h 39m

$131

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Fri 7/11

2:27 pm-6:40 pm

1 stop6h 13m

$135

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 16 results
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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 9, 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 $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 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 June 12, 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.

Rainfall in Santa Ana by month

Plan your trip to Santa Ana by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Santa Ana 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 Santa Ana when rainfall is around 0.0 in.

Temperature in Santa Ana by month

Plan your trip to Santa Ana by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Santa Ana, 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 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 June 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from St. Louis to Santa Ana by reading reviews from past customers. 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

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

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

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

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
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

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 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 $279. Other airlines that can offer you cheap pricing are Spirit Airlines, from $290, and Alaska Airlines, from $314. These flights start at 35% 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 Spirit Airlines, which is currently one of the cheapest options available, starting at $131. Frontier flights start at $135 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 $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

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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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 June 12, 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$443FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$366Average$456FlexibilityNo cancel feeOn-time63%

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