$100+ 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SNA
Mar 23 — Mar 301
1 adult, Economy
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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
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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 February 21, 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 February 21, 2026.
This Frontier deal was found by Cheapflights users on 2/21. 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.
Thu 4/168:06 pm
STL
- SNA
1 stop16h 38m
Frontier
Thu 4/237:56 pm
SNA
- STL
1 stop23h 17m
Frontier
Deal found 2/21![Frontier logo]()
$191
This CheapOair deal was found by Cheapflights users on 2/20. 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.
Sun 4/269:55 pm
STL
- SNA
1 stop22h 01m
Frontier
Thu 4/307:56 pm
SNA
- STL
1 stop13h 26m
Frontier
Deal found 2/20![Frontier logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 3/198:06 pm
STL
- SNA
1 stop18h 54m
Frontier
Mon 3/305:42 pm
SNA
- STL
2 stops38h 06m
Frontier
Deal found 2/19![Frontier logo]()
$216
This CheapOair deal was found by Cheapflights users on 2/20. 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 4/239:55 pm
STL
- SNA
1 stop22h 01m
Frontier
Sun 4/267:56 pm
SNA
- STL
1 stop23h 04m
Frontier
Deal found 2/20![Frontier logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 3/3112:14 pm
STL
- SNA
1 stop23h 39m
Multiple Airlines
Sat 4/48:32 pm
SNA
- STL
1 stop22h 45m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 3/198:06 pm
STL
- SNA
1 stop18h 54m
Multiple Airlines
Tue 3/312:53 pm
SNA
- STL
2 stops16h 55m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 3/178:06 pm
STL
- SNA
1 stop15h 47m
Multiple Airlines
Tue 3/242:53 pm
SNA
- STL
1 stop18h 26m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$231
This CheapOair deal was found by Cheapflights users on 2/20. 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.
Fri 4/248:06 pm
STL
- SNA
1 stop17h 19m
Frontier
Sun 4/267:56 pm
SNA
- STL
1 stop23h 04m
Frontier
Deal found 2/20![Frontier logo]()
$232
This CheapOair deal was found by Cheapflights users on 2/19. 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.
Sun 5/109:55 pm
STL
- SNA
1 stop22h 16m
Frontier
Fri 5/1511:32 am
SNA
- STL
1 stop5h 40m
Frontier
Deal found 2/19![Frontier logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 3/188:12 pm
STL
- SNA
1 stop16h 55m
Frontier
Mon 3/305:42 pm
SNA
- STL
2 stops38h 06m
Frontier
Deal found 2/17![Frontier logo]()
$245
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 February 21, 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 February 21, 2026.
This CheapOair deal was found by Cheapflights users on 2/17. 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.
Sun 5/109:55 pm
STL
- SNA
1 stop22h 16m
Frontier
Sun 5/1711:32 am
SNA
- STL
1 stop5h 40m
Frontier
Deal found 2/17![Frontier logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 3/178:06 pm
STL
- SNA
1 stop15h 47m
Multiple Airlines
Tue 3/242:53 pm
SNA
- STL
1 stop18h 26m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$231
This Delta deal was found by Cheapflights users on 2/20. 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 4/43:05 pm
STL
- SNA
1 stop7h 51m
Delta
Tue 4/75:00 pm
SNA
- STL
1 stop5h 21m
Delta
Deal found 2/20![Delta logo]()
$303
This CheapOair deal was found by Cheapflights users on 2/18. 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.
Fri 3/68:12 pm
STL
- SNA
1 stop16h 35m
Frontier
Fri 3/1311:32 am
SNA
- STL
1 stop20h 17m
Frontier
Deal found 2/18![Frontier logo]()
$271
This CheapOair deal was found by Cheapflights users on 2/17. 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.
Fri 4/1012:22 pm
STL
- SNA
1 stop9h 13m
Frontier
Sun 4/198:20 pm
SNA
- STL
1 stop22h 40m
Frontier
Deal found 2/17![Frontier logo]()
$272
This Delta deal was found by Cheapflights users on 2/19. 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 3/1712:04 pm
STL
- SNA
1 stop9h 38m
Delta
Wed 3/187:05 am
SNA
- STL
1 stop8h 02m
Delta
Deal found 2/19![Delta logo]()
$303
This Delta deal was found by Cheapflights users on 2/19. 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 3/183:05 pm
STL
- SNA
1 stop7h 51m
Delta
Tue 3/245:00 pm
SNA
- STL
1 stop5h 21m
Delta
Deal found 2/19![Delta logo]()
$303
This CheapOair deal was found by Cheapflights users on 2/18. 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 3/510:11 pm
STL
- SNA
1 stop16h 31m
Frontier
Mon 3/91:12 pm
SNA
- STL
1 stop27h 59m
Frontier
Deal found 2/18![Frontier logo]()
$281
This Delta deal was found by Cheapflights users on 2/19. 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 3/176:12 pm
STL
- SNA
1 stop5h 43m
Delta
Tue 3/245:00 pm
SNA
- STL
1 stop5h 21m
Delta
Deal found 2/19![Delta logo]()
$303
This Delta deal was found by Cheapflights users on 2/19. 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 5/52:20 pm
STL
- SNA
1 stop5h 46m
Delta
Sat 5/912:20 pm
SNA
- STL
1 stop9h 39m
Delta
Deal found 2/19![Delta logo]()
$303
Last-minute flights from St. Louis to Santa AnaDiscover last-minute flight deals from St. Louis to Santa Ana. Data last updated February 21, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Santa Ana. Data last updated February 21, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 2/18. 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 2/2610:11 pm
STL
- SNA
1 stop19h 06m
Frontier
Thu 3/58:58 am
SNA
- STL
1 stop10h 28m
Frontier
Deal found 2/18![Frontier logo]()
$262
This Frontier deal was found by Cheapflights users on 2/19. 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 3/110:11 pm
STL
- SNA
1 stop12h 02m
Frontier
Thu 3/58:58 am
SNA
- STL
1 stop10h 28m
Frontier
Deal found 2/19![Frontier logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 3/68:12 pm
STL
- SNA
1 stop16h 35m
Frontier
Mon 3/91:12 pm
SNA
- STL
1 stop27h 59m
Frontier
Deal found 2/18![Frontier logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 3/178:06 pm
STL
- SNA
1 stop15h 47m
Multiple Airlines
Tue 3/242:53 pm
SNA
- STL
1 stop18h 26m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 3/188:12 pm
STL
- SNA
1 stop16h 55m
Frontier
Mon 3/305:42 pm
SNA
- STL
2 stops38h 06m
Frontier
Deal found 2/17![Frontier logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 3/198:06 pm
STL
- SNA
1 stop18h 54m
Frontier
Mon 3/305:42 pm
SNA
- STL
2 stops38h 06m
Frontier
Deal found 2/19![Frontier logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 3/198:06 pm
STL
- SNA
1 stop18h 54m
Multiple Airlines
Tue 3/312:53 pm
SNA
- STL
2 stops16h 55m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 3/3112:14 pm
STL
- SNA
1 stop23h 39m
Multiple Airlines
Sat 4/48:32 pm
SNA
- STL
1 stop22h 45m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$227
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 February 21, 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 February 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 5/158:12 pm
STL
- SNA
1 stop17h 13m
Frontier
Deal found 2/17![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 3/298:06 pm
STL
- SNA
1 stop18h 21m
Frontier
Deal found 2/20![Frontier logo]()
$111
This Trip.com deal was found by Cheapflights users on 2/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/210:12 pm
STL
- SNA
1 stop23h 23m
Frontier
Deal found 2/20![Frontier logo]()
$114
This CheapOair deal was found by Cheapflights users on 2/20. 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 2/282:51 pm
STL
- SNA
1 stop21h 46m
Frontier
Deal found 2/20![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 5/158:12 pm
STL
- SNA
2 stops26h 44m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$123
This Frontier deal was found by Cheapflights users on 2/19. 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.
Thu 3/1910:47 pm
STL
- SNA
1 stop12h 03m
Frontier
Deal found 2/19![Frontier logo]()
$125
This CheapOair deal was found by Cheapflights users on 2/19. 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 4/254:16 pm
STL
- SNA
1 stop27h 40m
Frontier
Deal found 2/19![Frontier logo]()
$128
This Trip.com deal was found by Cheapflights users on 2/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2012:14 pm
STL
- SNA
1 stop10h 59m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$130
This Frontier deal was found by Cheapflights users on 2/19. 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 3/2210:47 pm
STL
- SNA
1 stop12h 03m
Frontier
Deal found 2/19![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 4/38:16 pm
STL
- SNA
2 stops39h 44m
Frontier
Deal found 2/20![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 3/98:12 pm
STL
- SNA
2 stops38h 43m
Frontier
Deal found 2/20![Frontier logo]()
$140
This CheapOair deal was found by Cheapflights users on 2/20. 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.
Sun 3/1510:47 pm
STL
- SNA
1 stop12h 03m
Frontier
Deal found 2/20![Frontier logo]()
$151
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 February 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $191 (Frontier) |
One-way from | $100 (Kiwi.com) |
Popular in | June |
Cheapest in | November |
Average price | $387 |
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 February 21, 2026.
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
Sun 5/10
9:55 pm-6:11 pm
1 stop22h 16m
Santa Ana J. Wayne/Orange Cnty
Sun 5/17
11:32 am-7:12 pm
1 stop5h 40m
$222
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Tue 3/17
8:06 pm-9:53 am
1 stop15h 47m
Santa Ana J. Wayne/Orange Cnty
Tue 3/24
2:53 pm-11:19 am
1 stop18h 26m
$231
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Fri 3/6
8:12 pm-10:47 am
1 stop16h 35m
Santa Ana J. Wayne/Orange Cnty
Fri 3/13
11:32 am-9:49 am
1 stop20h 17m
$271
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Fri 4/10
12:22 pm-7:35 pm
1 stop9h 13m
Santa Ana J. Wayne/Orange Cnty
Sun 4/19
8:20 pm-9:00 pm
1 stop22h 40m
$272
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Thu 3/5
10:11 pm-12:42 pm
1 stop16h 31m
Santa Ana J. Wayne/Orange Cnty
Mon 3/9
1:12 pm-7:11 pm
1 stop27h 59m
$281
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Sat 4/4
3:05 pm-8:56 pm
1 stop7h 51m
Santa Ana J. Wayne/Orange Cnty
Tue 4/7
5:00 pm-12:21 am
1 stop5h 21m
$303
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Tue 3/17
12:04 pm-7:42 pm
1 stop9h 38m
Santa Ana J. Wayne/Orange Cnty
Wed 3/18
7:05 am-5:07 pm
1 stop8h 02m
$303
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Wed 3/18
3:05 pm-8:56 pm
1 stop7h 51m
Santa Ana J. Wayne/Orange Cnty
Tue 3/24
5:00 pm-12:21 am
1 stop5h 21m
$303
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Tue 3/17
6:12 pm-9:55 pm
1 stop5h 43m
Santa Ana J. Wayne/Orange Cnty
Tue 3/24
5:00 pm-12:21 am
1 stop5h 21m
$303
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Tue 5/5
2:20 pm-6:06 pm
1 stop5h 46m
Santa Ana J. Wayne/Orange Cnty
Sat 5/9
12:20 pm-11:59 pm
1 stop9h 39m
$303
Showing 1-10 of 21 results
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 February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| 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 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 flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Santa Ana flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Santa Ana 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 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
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 February 20, 2026.
The best time to book flights from St. Louis to Santa Ana is 77 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, November is the cheapest month in which you can book a flight from St. Louis to Santa Ana (average of $67). Flying from St. Louis to Santa Ana in June is currently the most expensive (average of $244). 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.
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 February 21, 2026.
Peruse reviews from past customers who have flown with Southwest, United Airlines, and American 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
Overall
8.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
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
Browse other St. Louis and Santa Ana flight options. Last updated on February 21, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on February 21, 2026.
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Other flights to Santa Ana
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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 February 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$126 | Average$164 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$278 | Average$403 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$286 | Average$485 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$316 | Average$446 | FlexibilityNo cancel fee | On-time63% |