$101+ 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 4/17. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SNA
Apr 10 — Apr 171
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
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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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Best
Last-minute
One-way
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 March 11, 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 March 11, 2026.
This Orbitz deal was found by Cheapflights users on 3/11. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1412:16 pm
STL
- SNA
1 stop26h 03m
Frontier
Mon 5/188:14 pm
SNA
- STL
1 stop19h 52m
Frontier
Deal found 3/11![Frontier logo]()
$210
This CheapOair deal was found by Cheapflights users on 3/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/79:55 pm
STL
- SNA
1 stop22h 16m
Frontier
Mon 5/1111:32 am
SNA
- STL
1 stop5h 40m
Frontier
Deal found 3/10![Frontier logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 4/88:16 pm
STL
- SNA
2 stops25h 31m
Multiple Airlines
Wed 4/153:23 pm
SNA
- STL
1 stop27h 37m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Thu 4/238:06 pm
STL
- SNA
1 stop16h 38m
Frontier
Mon 5/411:11 am
SNA
- STL
2 stops41h 39m
Frontier
Deal found 3/9![Frontier logo]()
$258
This CheapOair deal was found by Cheapflights users on 3/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/88:16 pm
STL
- SNA
1 stop17h 18m
Frontier
Fri 4/1012:19 pm
SNA
- STL
1 stop19h 29m
Frontier
Deal found 3/10![Frontier logo]()
$260
This Expedia deal was found by Cheapflights users on 3/7. 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 Expedia 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
Thu 3/268:20 pm
SNA
- STL
1 stop12h 59m
Frontier
Deal found 3/7![Frontier logo]()
$270
This CheapOair deal was found by Cheapflights users on 3/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/18:06 pm
STL
- SNA
1 stop17h 19m
Frontier
Fri 5/158:14 pm
SNA
- STL
1 stop22h 09m
Frontier
Deal found 3/10![Frontier logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
Wed 3/188:12 pm
STL
- SNA
2 stops23h 59m
Frontier
Mon 3/301:12 pm
SNA
- STL
1 stop20h 07m
Frontier
Deal found 3/10![Frontier logo]()
$289
This CheapOair deal was found by Cheapflights users on 3/9. 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 CheapOair 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
Mon 3/301:12 pm
SNA
- STL
1 stop20h 07m
Frontier
Deal found 3/9![Frontier logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 4/179:55 pm
STL
- SNA
2 stops15h 30m
Frontier
Mon 4/2011:29 am
SNA
- STL
1 stop6h 03m
Frontier
Deal found 3/8![Frontier logo]()
$293
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 March 11, 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 March 11, 2026.
This Orbitz deal was found by Cheapflights users on 3/11. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1412:16 pm
STL
- SNA
1 stop26h 03m
Frontier
Mon 5/188:14 pm
SNA
- STL
1 stop19h 52m
Frontier
Deal found 3/11![Frontier logo]()
$210
This Delta deal was found by Cheapflights users on 3/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/52:20 pm
STL
- SNA
2 stops10h 08m
Delta
Sat 5/97:45 am
SNA
- STL
1 stop8h 15m
Delta
Deal found 3/8![Delta logo]()
$332
This Southwest deal was found by Cheapflights users on 3/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/211:45 pm
STL
- SNA
2 stops9h 40m
Southwest
Tue 4/289:00 am
SNA
- STL
2 stops7h 05m
Southwest
Deal found 3/7![Southwest logo]()
$377
This Delta deal was found by Cheapflights users on 3/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/26:00 am
STL
- SNA
1 stop7h 44m
Delta
Mon 4/61:43 pm
SNA
- STL
1 stop8h 38m
Delta
Deal found 3/7![Delta logo]()
$396
This Southwest deal was found by Cheapflights users on 3/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/55:25 pm
STL
- SNA
1 stop5h 25m
Southwest
Sun 8/92:35 pm
SNA
- STL
1 stop6h 30m
Southwest
Deal found 3/8![Southwest logo]()
$457
This Delta deal was found by Cheapflights users on 3/6. 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 4/274:41 pm
STL
- SNA
1 stop7h 33m
Delta
Fri 5/110:55 am
SNA
- STL
2 stops11h 30m
Delta
Deal found 3/6![Delta logo]()
$441
This Delta deal was found by Cheapflights users on 3/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/135:15 pm
STL
- SNA
1 stop7h 07m
Delta
Fri 5/155:05 pm
SNA
- STL
1 stop5h 25m
Delta
Deal found 3/7![Delta logo]()
$448
This Delta deal was found by Cheapflights users on 3/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/65:15 pm
STL
- SNA
1 stop7h 07m
Delta
Wed 6/105:05 pm
SNA
- STL
1 stop5h 31m
Delta
Deal found 3/7![Delta logo]()
$457
This Delta deal was found by Cheapflights users on 3/10. 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.
Thu 5/72:27 pm
STL
- SNA
2 stops10h 04m
Delta
Mon 5/116:49 pm
SNA
- STL
2 stops11h 57m
Delta
Deal found 3/10![Delta logo]()
$462
Last-minute flights from St. Louis to Santa AnaDiscover last-minute flight deals from St. Louis to Santa Ana. Data last updated March 11, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Santa Ana. Data last updated March 11, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
Wed 3/188:12 pm
STL
- SNA
2 stops23h 59m
Frontier
Mon 3/301:12 pm
SNA
- STL
1 stop20h 07m
Frontier
Deal found 3/10![Frontier logo]()
$289
This CheapOair deal was found by Cheapflights users on 3/9. 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 CheapOair 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
Mon 3/301:12 pm
SNA
- STL
1 stop20h 07m
Frontier
Deal found 3/9![Frontier logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 3/198:06 pm
STL
- SNA
1 stop18h 54m
Frontier
Mon 3/231:12 pm
SNA
- STL
1 stop20h 07m
Frontier
Deal found 3/11![Frontier logo]()
$309
This Expedia deal was found by Cheapflights users on 3/7. 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 Expedia 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
Thu 3/268:20 pm
SNA
- STL
1 stop12h 59m
Frontier
Deal found 3/7![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 4/88:16 pm
STL
- SNA
2 stops25h 31m
Multiple Airlines
Wed 4/153:23 pm
SNA
- STL
1 stop27h 37m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$251
This CheapOair deal was found by Cheapflights users on 3/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/88:16 pm
STL
- SNA
1 stop17h 18m
Frontier
Fri 4/1012:19 pm
SNA
- STL
1 stop19h 29m
Frontier
Deal found 3/10![Frontier logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 4/88:16 pm
STL
- SNA
1 stop17h 18m
Frontier
Sun 4/126:22 pm
SNA
- STL
1 stop15h 05m
Frontier
Deal found 3/11![Frontier logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 4/179:55 pm
STL
- SNA
2 stops15h 30m
Frontier
Mon 4/2011:29 am
SNA
- STL
1 stop6h 03m
Frontier
Deal found 3/8![Frontier logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Thu 4/238:06 pm
STL
- SNA
1 stop16h 38m
Frontier
Mon 5/411:11 am
SNA
- STL
2 stops41h 39m
Frontier
Deal found 3/9![Frontier logo]()
$258
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 March 11, 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 March 11, 2026.
This CheapOair deal was found by Cheapflights users on 3/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:06 pm
STL
- SNA
1 stop17h 19m
Frontier
Deal found 3/8![Frontier logo]()
$101
This CheapOair deal was found by Cheapflights users on 3/6. 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 5/149:55 pm
STL
- SNA
1 stop22h 16m
Frontier
Deal found 3/6![Frontier logo]()
$107
This CheapOair deal was found by Cheapflights users on 3/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/169:55 pm
STL
- SNA
1 stop19h 43m
Frontier
Deal found 3/10![Frontier logo]()
$117
This CheapOair deal was found by Cheapflights users on 3/9. 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 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
Deal found 3/9![Frontier logo]()
$122
This CheapOair deal was found by Cheapflights users on 3/8. 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 CheapOair 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 3/8![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 3/8. 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.
Sat 4/258:17 pm
STL
- SNA
2 stops37h 48m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/258:17 pm
STL
- SNA
1 stop16h 27m
Frontier
Deal found 3/7![Frontier logo]()
$139
This CheapOair deal was found by Cheapflights users on 3/6. 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 3/268:06 pm
STL
- SNA
1 stop18h 51m
Frontier
Deal found 3/6![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Mon 5/183:02 pm
STL
- SNA
2 stops32h 43m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$142
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 March 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $221 (CheapOair) |
One-way from | $101 (CheapOair) |
Popular in | June |
Cheapest in | November |
Average price | $377 |
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 March 11, 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
Thu 5/14
12:16 pm-12:19 pm
1 stop26h 03m
Santa Ana J. Wayne/Orange Cnty
Mon 5/18
8:14 pm-6:06 pm
1 stop19h 52m
$210
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Tue 5/5
2:20 pm-10:28 pm
2 stops10h 08m
Santa Ana J. Wayne/Orange Cnty
Sat 5/9
7:45 am-6:00 pm
1 stop8h 15m
$332
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Tue 4/21
1:45 pm-9:25 pm
2 stops9h 40m
Santa Ana J. Wayne/Orange Cnty
Tue 4/28
9:00 am-6:05 pm
2 stops7h 05m
$377
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Thu 4/2
6:00 am-11:44 am
1 stop7h 44m
Santa Ana J. Wayne/Orange Cnty
Mon 4/6
1:43 pm-12:21 am
1 stop8h 38m
$396
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Mon 4/27
4:41 pm-10:14 pm
1 stop7h 33m
Santa Ana J. Wayne/Orange Cnty
Fri 5/1
10:55 am-12:25 am
2 stops11h 30m
$441
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Wed 5/13
5:15 pm-10:22 pm
1 stop7h 07m
Santa Ana J. Wayne/Orange Cnty
Fri 5/15
5:05 pm-12:30 am
1 stop5h 25m
$448
Quickest round-trip
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Wed 8/5
5:25 pm-8:50 pm
1 stop5h 25m
Santa Ana J. Wayne/Orange Cnty
Sun 8/9
2:35 pm-11:05 pm
1 stop6h 30m
$457
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Sat 6/6
5:15 pm-10:22 pm
1 stop7h 07m
Santa Ana J. Wayne/Orange Cnty
Wed 6/10
5:05 pm-12:36 am
1 stop5h 31m
$457
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Thu 5/7
2:27 pm-10:31 pm
2 stops10h 04m
Santa Ana J. Wayne/Orange Cnty
Mon 5/11
6:49 pm-8:46 am
2 stops11h 57m
$462
Cheapest one-way
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Thu 5/14
9:55 pm-6:11 pm
1 stop22h 16m
$107
Showing 1-10 of 21 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 March.
| 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 March 6, 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 $250). 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 March 11, 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.
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
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 March 11, 2026.
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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 March 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$126 | Average$168 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$278 | Average$399 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$286 | Average$513 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$316 | Average$446 | FlexibilityNo cancel fee | On-time63% |