$90+ Cheap flights from St. Louis to Santa Ana, CA (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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SNA
Sep 11 — Sep 181
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Santa Ana 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 Santa Ana
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Cheapest flights from St. Louis to Santa AnaExplore 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 August 12, 2026.
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 August 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/68:10 pm -
1 stop16h 01m
Mon 11/94:46 pm -
1 stop27h 53m
Deal found 8/11![Frontier logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:10 pm -
1 stop16h 55m
Wed 9/167:30 am -
1 stop25h 47m
Deal found 8/11![Multiple Airlines logo]()
$222
This CheapOair deal was found by Cheapflights users on 8/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:10 pm -
1 stop16h 55m
Mon 9/214:35 pm -
1 stop16h 57m
Deal found 8/11![Frontier logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:10 pm -
1 stop16h 01m
Fri 11/611:06 am -
1 stop6h 09m
Deal found 8/9![Frontier logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/238:10 pm -
1 stop16h 02m
Mon 10/2611:07 am -
1 stop6h 08m
Deal found 8/8![Frontier logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/68:10 pm -
1 stop16h 01m
Tue 11/107:30 am -
1 stop13h 09m
Deal found 8/11![Multiple Airlines logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:19 pm -
1 stop26h 21m
Mon 10/2611:38 am -
2 stops44h 02m
Deal found 8/12![Multiple Airlines logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/410:35 am -
2 stops25h 36m
Fri 11/611:06 am -
1 stop6h 09m
Deal found 8/9![Frontier logo]()
$265
Best flights from St. Louis to Santa AnaDiscover carefully curated flight deals from St. Louis to Santa Ana that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 12, 2026.
Discover carefully curated flight deals from St. Louis to Santa Ana that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 12, 2026.
This Southwest deal was found by Cheapflights users on 8/10. 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.
Wed 9/94:05 pm -
1 stop6h 50m
Wed 9/161:00 pm -
1 stop5h 25m
Deal found 8/10![Southwest logo]()
$330
This United Airlines deal was found by Cheapflights users on 8/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/236:06 pm -
1 stop5h 54m
Wed 12/308:46 am -
1 stop6h 14m
Deal found 8/11![United Airlines logo]()
$392
This Alaska Airlines deal was found by Cheapflights users on 8/7. 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.
Mon 9/216:29 am -
1 stop9h 20m
Thu 9/241:09 pm -
1 stop8h 50m
Deal found 8/7![Alaska Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 8/12. 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.
Fri 11/65:00 pm -
1 stop7h 05m
Tue 11/106:59 pm -
2 stops12h 20m
Deal found 8/12![Delta logo]()
$446
This United Airlines deal was found by Cheapflights users on 8/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/236:06 pm -
1 stop5h 54m
Thu 12/3112:10 pm -
1 stop8h 09m
Deal found 8/11![United Airlines logo]()
$392
This Southwest deal was found by Cheapflights users on 8/12. 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 11/212:30 pm -
2 stops8h 50m
Sun 11/89:15 am -
2 stops8h 00m
Deal found 8/12![Southwest logo]()
$433
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 1/56:02 am -
2 stops14h 25m
Sat 1/911:10 am -
2 stops10h 49m
Deal found 8/12![Alaska Airlines logo]()
$439
This KAYAK deal was found by Cheapflights users on 8/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/305:10 am -
2 stops10h 53m
Mon 10/54:15 pm -
1 stop5h 29m
Deal found 8/11![United Airlines logo]()
$412
This United Airlines deal was found by Cheapflights users on 8/12. 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 1/57:33 am -
2 stops11h 58m
Sat 1/98:40 am -
1 stop5h 46m
Deal found 8/12![United Airlines logo]()
$434
This United Airlines deal was found by Cheapflights users on 8/12. 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 9/18:30 am -
2 stops8h 42m
Sat 9/128:55 am -
1 stop5h 39m
Deal found 8/12![United Airlines logo]()
$455
This United Airlines deal was found by Cheapflights users on 8/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:15 am -
1 stop6h 47m
Mon 9/282:26 pm -
1 stop6h 33m
Deal found 8/11![United Airlines logo]()
$476
Last-minute flights from St. Louis to Santa AnaDiscover last-minute flight deals from St. Louis to Santa Ana. Data last updated August 12, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Santa Ana. Data last updated August 12, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 8/7. 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.
Thu 8/276:45 pm -
1 stop19h 46m
Mon 8/319:09 am -
1 stop8h 04m
Deal found 8/7![Frontier logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:17 pm -
2 stops40h 37m
Fri 9/114:35 pm -
1 stop16h 57m
Deal found 8/11![Frontier logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:17 pm -
2 stops40h 37m
Sun 9/134:35 pm -
1 stop16h 42m
Deal found 8/9![Frontier logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:45 pm -
2 stops16h 09m
Mon 9/144:35 pm -
1 stop16h 57m
Deal found 8/11![Frontier logo]()
$274
This Expedia deal was found by Cheapflights users on 8/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:08 pm -
1 stop17h 38m
Mon 9/77:53 pm -
1 stop19h 57m
Deal found 8/11![Multiple Airlines logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:10 pm -
1 stop16h 55m
Wed 9/167:30 am -
1 stop25h 47m
Deal found 8/11![Multiple Airlines logo]()
$222
This Southwest deal was found by Cheapflights users on 8/10. 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.
Wed 9/94:05 pm -
1 stop6h 50m
Wed 9/161:00 pm -
1 stop5h 25m
Deal found 8/10![Southwest logo]()
$330
This CheapOair deal was found by Cheapflights users on 8/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:10 pm -
1 stop16h 55m
Mon 9/214:35 pm -
1 stop16h 57m
Deal found 8/11![Frontier logo]()
$234
This United Airlines deal was found by Cheapflights users on 8/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/228:00 am -
2 stops9h 12m
Sat 9/264:15 pm -
1 stop5h 29m
Deal found 8/11![United Airlines logo]()
$334
One-way flights from St. Louis to Santa AnaSearch for one-way flight options from St. Louis to Santa Ana. Find affordable one-way fares based on user searches. Data last updated August 12, 2026.
Search for one-way flight options from St. Louis to Santa Ana. Find affordable one-way fares based on user searches. Data last updated August 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:10 pm -
1 stop16h 55m
Deal found 8/11![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2910:35 am -
2 stops49h 36m
Deal found 8/11![Frontier logo]()
$108
This Frontier deal was found by Cheapflights users on 8/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:17 pm -
1 stop6h 58m
Deal found 8/11![Frontier logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/188:10 pm -
2 stops38h 35m
Deal found 8/10![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:10 pm -
2 stops21h 38m
Deal found 8/11![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:17 pm -
2 stops40h 37m
Deal found 8/11![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2812:17 pm -
1 stop6h 58m
Deal found 8/11![Frontier logo]()
$152
This Alaska Airlines deal was found by Cheapflights users on 8/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:29 am -
1 stop9h 20m
Deal found 8/11![Alaska Airlines logo]()
$165
This American Airlines deal was found by Cheapflights users on 8/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/35:42 am -
1 stop9h 00m
Deal found 8/11![American Airlines logo]()
$166
Find 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 August 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $219 (Kiwi.com) |
One-way from | $90 (Kiwi.com) |
Popular in | May |
Cheapest in | November |
Average price | $440 |
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 August 12, 2026.
Use the filters below to find and compare flights from St. Louis to Santa Ana that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisSanta Ana
STL Lambert-St Louis - SNA Santa Ana J. Wayne/Orange Cnty
STLSNA
Lambert-St Louis
Wed 9/9
4:05 pm-8:55 pm
1 stop6h 50m
Santa Ana J. Wayne/Orange Cnty
Wed 9/16
1:00 pm-8:25 pm
1 stop5h 25m
$330
Quickest round-trip
St. LouisSanta Ana
STL Lambert-St Louis - SNA Santa Ana J. Wayne/Orange Cnty
STLSNA
Lambert-St Louis
Wed 12/23
6:06 pm-10:00 pm
1 stop5h 54m
Santa Ana J. Wayne/Orange Cnty
Wed 12/30
8:46 am-5:00 pm
1 stop6h 14m
$392
St. LouisSanta Ana
STL Lambert-St Louis - SNA Santa Ana J. Wayne/Orange Cnty
STLSNA
Lambert-St Louis
Wed 12/23
6:06 pm-10:00 pm
1 stop5h 54m
Santa Ana J. Wayne/Orange Cnty
Thu 12/31
12:10 pm-10:19 pm
1 stop8h 09m
$392
St. LouisSanta Ana
STL Lambert-St Louis - SNA Santa Ana J. Wayne/Orange Cnty
STLSNA
Lambert-St Louis
Wed 9/30
5:10 am-2:03 pm
2 stops10h 53m
Santa Ana J. Wayne/Orange Cnty
Mon 10/5
4:15 pm-11:44 pm
1 stop5h 29m
$412
St. LouisSanta Ana
STL Lambert-St Louis - SNA Santa Ana J. Wayne/Orange Cnty
STLSNA
Lambert-St Louis
Mon 9/21
6:29 am-1:49 pm
1 stop9h 20m
Santa Ana J. Wayne/Orange Cnty
Thu 9/24
1:09 pm-11:59 pm
1 stop8h 50m
$429
St. LouisSanta Ana
STL Lambert-St Louis - SNA Santa Ana J. Wayne/Orange Cnty
STLSNA
Lambert-St Louis
Mon 11/2
12:30 pm-7:20 pm
2 stops8h 50m
Santa Ana J. Wayne/Orange Cnty
Sun 11/8
9:15 am-7:15 pm
2 stops8h 00m
$433
St. LouisSanta Ana
STL Lambert-St Louis - SNA Santa Ana J. Wayne/Orange Cnty
STLSNA
Lambert-St Louis
Tue 1/5
7:33 am-5:31 pm
2 stops11h 58m
Santa Ana J. Wayne/Orange Cnty
Sat 1/9
8:40 am-4:26 pm
1 stop5h 46m
$434
St. LouisSanta Ana
STL Lambert-St Louis - SNA Santa Ana J. Wayne/Orange Cnty
STLSNA
Lambert-St Louis
Tue 1/5
6:02 am-6:27 pm
2 stops14h 25m
Santa Ana J. Wayne/Orange Cnty
Sat 1/9
11:10 am-11:59 pm
2 stops10h 49m
$439
St. LouisSanta Ana
STL Lambert-St Louis - SNA Santa Ana J. Wayne/Orange Cnty
STLSNA
Lambert-St Louis
Fri 11/6
5:00 pm-10:05 pm
1 stop7h 05m
Santa Ana J. Wayne/Orange Cnty
Tue 11/10
6:59 pm-9:19 am
2 stops12h 20m
$446
St. LouisSanta Ana
STL Lambert-St Louis - SNA Santa Ana J. Wayne/Orange Cnty
STLSNA
Lambert-St Louis
Tue 9/1
8:30 am-3:12 pm
2 stops8h 42m
Santa Ana J. Wayne/Orange Cnty
Sat 9/12
8:55 am-4:34 pm
1 stop5h 39m
$455
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from St. Louis to Santa Ana
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Santa Ana in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on St. Louis-Santa Ana, California flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Santa Ana, California flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Santa Ana, California flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Santa Ana, California flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Santa Ana, California flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
STL-SNA
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
Prices
More
How far ahead should I book a flight from St. Louis to Santa Ana, California?
To ensure you get the cheapest price possible for a flight from St. Louis to Santa Ana, California, you should look to book at least 57 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from St. Louis to Santa Ana, California?
Currently, November is the cheapest month in which you can book a flight from St. Louis to Santa Ana, California (average of $332). Flying from St. Louis to Santa Ana, California in May is currently the most expensive (average of $790). 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 August 12, 2026.
When flying from St. Louis to Santa Ana, California, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
What’s the top layover airport for flights from St. Louis to Santa Ana, California?
Share of 1-stop round-trip flights from St. Louis to Santa Ana, California chosen by Cheapflights users in the past 12 months, using the same layover each way.
Phoenix (PHX) – chosen by Cheapflights users on 50% of 1-stop itineraries from St. Louis to Santa Ana, California on Cheapflights.
What’s the cheapest layover airport for flights from St. Louis to Santa Ana, California?
Average round-trip fare for 1-stop flights from St. Louis to Santa Ana, California, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Dallas (DFW) is the most affordable 1-stop option, with an average round-trip price of $341.
What’s the fastest layover option from St. Louis to Santa Ana, California?
Shortest average travel time for 1-stop one-way flights from St. Louis to Santa Ana, California, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Phoenix (PHX) have the shortest average one-way travel time for 1-stop routes: 5h 43m.
Which airport typically offers the quickest layover for flights from St. Louis to Santa Ana, California?
Average layover duration for 1-stop one-way flights from St. Louis to Santa Ana, California, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Phoenix (PHX) offer the fastest connection on this route, with an average layover time of 0h 55m.
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 August 12, 2026.
Peruse reviews from past customers who have flown with Southwest,United Airlines, andAmerican Airlines 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.
Entertainment
7.5
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
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Top 4 airlines flying from St. Louis to Santa Ana
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$159 | Average$280 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$296 | Average$458 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$332 | Average$576 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$332 | Average$513 | FlexibilityNo cancel fee | On-time69% |