$148+ 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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SNA
Jun 25 — Jul 21
Round-trip
1 adult, Economy
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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 May 26, 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 May 26, 2026.
This CheapOair deal was found by Cheapflights users on 5/21. 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 10/178:10 pm
STL
- SNA
1 stop16h 02m
Frontier
Sat 10/2411:07 am
SNA
- STL
1 stop6h 08m
Frontier
Deal found 5/21![Frontier logo]()
$284
This Frontier deal was found by Cheapflights users on 5/21. 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 10/512:46 pm
STL
- SNA
1 stop6h 49m
Frontier
Thu 10/154:50 pm
SNA
- STL
1 stop6h 27m
Frontier
Deal found 5/21![Frontier logo]()
$312
This Frontier deal was found by Cheapflights users on 5/21. 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.
Sun 10/412:46 pm
STL
- SNA
1 stop6h 49m
Frontier
Mon 10/1211:07 am
SNA
- STL
1 stop6h 08m
Frontier
Deal found 5/21![Frontier logo]()
$316
This Frontier deal was found by Cheapflights users on 5/24. 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.
Sat 7/118:08 pm
STL
- SNA
1 stop16h 20m
Frontier
Sat 7/187:53 pm
SNA
- STL
1 stop20h 22m
Frontier
Deal found 5/24![Frontier logo]()
$338
This Gotogate deal was found by Cheapflights users on 5/26. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/17:46 pm
STL
- SNA
1 stop18h 48m
Frontier
Fri 7/317:53 pm
SNA
- STL
1 stop20h 22m
Frontier
Deal found 5/26![Frontier logo]()
$339
This Booking.com deal was found by Cheapflights users on 5/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/218:21 pm
STL
- SNA
1 stop17h 39m
Frontier
Mon 8/318:55 am
SNA
- STL
1 stop8h 28m
Frontier
Deal found 5/22![Frontier logo]()
$355
This Booking.com deal was found by Cheapflights users on 5/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/157:03 pm
STL
- SNA
1 stop19h 28m
Frontier
Sat 7/187:53 pm
SNA
- STL
1 stop20h 22m
Frontier
Deal found 5/24![Frontier logo]()
$356
This Gotogate deal was found by Cheapflights users on 5/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/198:08 pm
STL
- SNA
1 stop13h 57m
Frontier
Fri 7/247:53 pm
SNA
- STL
1 stop20h 22m
Frontier
Deal found 5/21![Frontier logo]()
$358
This Priceline deal was found by Cheapflights users on 5/24. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:46 pm
STL
- SNA
1 stop6h 49m
Frontier
Sun 9/1311:07 am
SNA
- STL
1 stop6h 08m
Frontier
Deal found 5/24![Frontier logo]()
$360
This Booking.com deal was found by Cheapflights users on 5/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/177:10 pm
STL
- SNA
1 stop19h 21m
Frontier
Sun 7/197:53 pm
SNA
- STL
1 stop20h 22m
Frontier
Deal found 5/25![Frontier logo]()
$361
This Frontier deal was found by Cheapflights users on 5/24. 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.
Fri 9/1112:46 pm
STL
- SNA
1 stop6h 49m
Frontier
Sun 9/1311:07 am
SNA
- STL
1 stop6h 08m
Frontier
Deal found 5/24![Frontier logo]()
$365
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 May 26, 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 May 26, 2026.
This Delta deal was found by Cheapflights users on 5/24. 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 7/142:30 pm
STL
- SNA
1 stop5h 55m
Delta
Wed 7/225:03 pm
SNA
- STL
1 stop5h 38m
Delta
Deal found 5/24![Delta logo]()
$407
This Southwest deal was found by Cheapflights users on 5/21. 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 8/42:50 pm
STL
- SNA
2 stops8h 05m
Southwest
Sat 8/87:10 am
SNA
- STL
2 stops10h 35m
Southwest
Deal found 5/21![Southwest logo]()
$463
This Southwest deal was found by Cheapflights users on 5/22. 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 7/298:35 am
STL
- SNA
2 stops8h 20m
Southwest
Sun 8/29:10 pm
SNA
- STL
1 stop10h 40m
Southwest
Deal found 5/22![Southwest logo]()
$472
This Delta deal was found by Cheapflights users on 5/21. 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 8/213:50 pm
STL
- SNA
1 stop6h 17m
Delta
Mon 8/3110:15 am
SNA
- STL
1 stop5h 45m
Delta
Deal found 5/21![Delta logo]()
$475
This Southwest deal was found by Cheapflights users on 5/21. 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 8/110:15 am
STL
- SNA
2 stops11h 10m
Southwest
Sat 8/87:30 am
SNA
- STL
1 stop5h 55m
Southwest
Deal found 5/21![Southwest logo]()
$480
This Delta deal was found by Cheapflights users on 5/25. 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 7/133:57 pm
STL
- SNA
1 stop6h 23m
Delta
Fri 8/145:04 pm
SNA
- STL
1 stop5h 37m
Delta
Deal found 5/25![Delta logo]()
$507
This Southwest deal was found by Cheapflights users on 5/24. 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.
Thu 9/108:30 am
STL
- SNA
2 stops9h 55m
Southwest
Sun 9/138:00 am
SNA
- STL
2 stops8h 10m
Southwest
Deal found 5/24![Southwest logo]()
$485
This Delta deal was found by Cheapflights users on 5/22. 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 6/266:21 am
STL
- SNA
1 stop8h 35m
Delta
Sun 7/55:03 pm
SNA
- STL
1 stop5h 40m
Delta
Deal found 5/22![Delta logo]()
$507
This Southwest deal was found by Cheapflights users on 5/22. 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.
Fri 8/212:20 pm
STL
- SNA
2 stops8h 50m
Southwest
Mon 8/3112:10 pm
SNA
- STL
2 stops8h 55m
Southwest
Deal found 5/22![Southwest logo]()
$487
This Southwest deal was found by Cheapflights users on 5/22. 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 6/273:50 pm
STL
- SNA
1 stop6h 00m
Southwest
Sun 7/52:35 pm
SNA
- STL
1 stop7h 05m
Southwest
Deal found 5/22![Southwest logo]()
$502
This Southwest deal was found by Cheapflights users on 5/21. 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.
Fri 7/243:20 pm
STL
- SNA
2 stops8h 10m
Southwest
Wed 7/297:00 am
SNA
- STL
2 stops8h 45m
Southwest
Deal found 5/21![Southwest logo]()
$503
This Southwest deal was found by Cheapflights users on 5/23. 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 6/227:20 pm
STL
- SNA
1 stop5h 05m
Southwest
Fri 6/266:30 pm
SNA
- STL
1 stop5h 20m
Southwest
Deal found 5/23![Southwest logo]()
$507
Last-minute flights from St. Louis to Santa AnaDiscover last-minute flight deals from St. Louis to Santa Ana. Data last updated May 26, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Santa Ana. Data last updated May 26, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 5/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/108:08 pm
STL
- SNA
1 stop15h 21m
Frontier
Sun 6/1410:19 am
SNA
- STL
1 stop6h 34m
Frontier
Deal found 5/24![Frontier logo]()
$379
This Booking.com deal was found by Cheapflights users on 5/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/187:38 pm
STL
- SNA
1 stop14h 31m
Frontier
Sun 6/2110:19 am
SNA
- STL
1 stop6h 34m
Frontier
Deal found 5/25![Frontier logo]()
$382
This Booking.com deal was found by Cheapflights users on 5/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/192:56 pm
STL
- SNA
1 stop23h 38m
Frontier
Sun 6/2110:19 am
SNA
- STL
1 stop6h 34m
Frontier
Deal found 5/25![Frontier logo]()
$437
This American Airlines deal was found by Cheapflights users on 5/26. 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 6/238:36 am
STL
- SNA
1 stop9h 04m
American Airlines
Tue 6/302:31 pm
SNA
- STL
1 stop7h 28m
American Airlines
Deal found 5/26![American Airlines logo]()
$407
This Southwest deal was found by Cheapflights users on 5/26. 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 6/236:00 am
STL
- SNA
1 stop5h 30m
Southwest
Tue 6/306:45 am
SNA
- STL
2 stops7h 35m
Southwest
Deal found 5/26![Southwest logo]()
$448
This American Airlines deal was found by Cheapflights users on 5/26. 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 6/258:00 am
STL
- SNA
1 stop6h 31m
American Airlines
Tue 6/302:31 pm
SNA
- STL
1 stop7h 28m
American Airlines
Deal found 5/26![American Airlines logo]()
$457
This Kiwi.com deal was found by Cheapflights users on 5/22. 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 6/275:06 pm
STL
- SNA
2 stops23h 38m
Multiple Airlines
Sun 7/57:53 pm
SNA
- STL
1 stop20h 22m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$428
This Kiwi.com deal was found by Cheapflights users on 5/22. 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 6/282:56 pm
STL
- SNA
1 stop23h 38m
Frontier
Sun 7/57:53 pm
SNA
- STL
1 stop20h 22m
Frontier
Deal found 5/22![Frontier logo]()
$455
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 May 26, 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 May 26, 2026.
This CheapOair deal was found by Cheapflights users on 5/21. 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 8/68:08 pm
STL
- SNA
1 stop13h 57m
Frontier
Deal found 5/21![Frontier logo]()
$148
This Booking.com deal was found by Cheapflights users on 5/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/177:46 pm
STL
- SNA
1 stop18h 48m
Frontier
Deal found 5/24![Frontier logo]()
$167
This Priceline deal was found by Cheapflights users on 5/24. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2812:46 pm
STL
- SNA
1 stop6h 49m
Frontier
Deal found 5/24![Frontier logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 5/24. 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 6/177:03 pm
STL
- SNA
2 stops23h 32m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$176
This CheapOair deal was found by Cheapflights users on 5/22. 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.
Wed 7/157:03 pm
STL
- SNA
1 stop19h 28m
Frontier
Deal found 5/22![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 5/23. 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 7/45:06 pm
STL
- SNA
2 stops22h 36m
Frontier
Deal found 5/23![Frontier logo]()
$182
This CheapOair deal was found by Cheapflights users on 5/24. 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 6/187:38 pm
STL
- SNA
1 stop14h 31m
Frontier
Deal found 5/24![Frontier logo]()
$184
This Mytrip deal was found by Cheapflights users on 5/25. 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.
Sun 7/268:08 pm
STL
- SNA
1 stop13h 57m
Frontier
Deal found 5/25![Frontier logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 5/22. 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 8/238:08 pm
STL
- SNA
2 stops18h 57m
Frontier
Deal found 5/22![Frontier logo]()
$187
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 May 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $284 (CheapOair) |
One-way from | $148 (CheapOair) |
Popular in | May |
Cheapest in | November |
Average price | $790 |
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 May 26, 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 - SNA
STLSNA
Lambert-St Louis
Tue 7/14
2:30 pm-6:25 pm
1 stop5h 55m
Santa Ana J. Wayne/Orange Cnty
Wed 7/22
5:03 pm-12:41 am
1 stop5h 38m
$407
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Tue 8/4
2:50 pm-8:55 pm
2 stops8h 05m
Santa Ana J. Wayne/Orange Cnty
Sat 8/8
7:10 am-7:45 pm
2 stops10h 35m
$463
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Wed 7/29
8:35 am-2:55 pm
2 stops8h 20m
Santa Ana J. Wayne/Orange Cnty
Sun 8/2
9:10 pm-9:50 am
1 stop10h 40m
$472
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Fri 8/21
3:50 pm-8:07 pm
1 stop6h 17m
Santa Ana J. Wayne/Orange Cnty
Mon 8/31
10:15 am-6:00 pm
1 stop5h 45m
$475
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Sat 8/1
10:15 am-7:25 pm
2 stops11h 10m
Santa Ana J. Wayne/Orange Cnty
Sat 8/8
7:30 am-3:25 pm
1 stop5h 55m
$480
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Thu 9/10
8:30 am-4:25 pm
2 stops9h 55m
Santa Ana J. Wayne/Orange Cnty
Sun 9/13
8:00 am-6:10 pm
2 stops8h 10m
$485
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Fri 8/21
2:20 pm-9:10 pm
2 stops8h 50m
Santa Ana J. Wayne/Orange Cnty
Mon 8/31
12:10 pm-11:05 pm
2 stops8h 55m
$487
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Sat 6/27
3:50 pm-7:50 pm
1 stop6h 00m
Santa Ana J. Wayne/Orange Cnty
Sun 7/5
2:35 pm-11:40 pm
1 stop7h 05m
$502
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Fri 7/24
3:20 pm-9:30 pm
2 stops8h 10m
Santa Ana J. Wayne/Orange Cnty
Wed 7/29
7:00 am-5:45 pm
2 stops8h 45m
$503
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Mon 7/13
3:57 pm-8:20 pm
1 stop6h 23m
Santa Ana J. Wayne/Orange Cnty
Fri 8/14
5:04 pm-12:41 am
1 stop5h 37m
$507
Showing 1-10 of 23 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 May.
| 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 | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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
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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 76 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 $345). 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.
How much does it cost to fly round-trip from St. Louis to Santa Ana, California?
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.
Denver (DEN) – 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 May 26, 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
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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.
Traveling to a place near Santa Ana?
Book flights to Santa Ana if you plan to visit one of these locationsTustin
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St. Louis and Santa Ana flights
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Top 4 airlines flying from St. Louis to Santa Ana
Discover the top 4 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 May 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$159 | Average$280 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$278 | Average$417 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$316 | Average$559 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$322 | Average$491 | FlexibilityNo cancel fee | On-time69% |