$100+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SNA
Jul 6 — Jul 131
Round-trip
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 June 6, 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 June 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 8/128:08 pm
STL
- SNA
1 stop16h 20m
Frontier
Mon 8/172:27 pm
SNA
- STL
2 stops22h 21m
Frontier
Deal found 6/3![Frontier logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 9/108:10 pm
STL
- SNA
1 stop16h 02m
Multiple Airlines
Tue 9/157:30 am
SNA
- STL
1 stop26h 21m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$280
This CheapOair deal was found by Cheapflights users on 6/2. 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 7/17:46 pm
STL
- SNA
1 stop18h 48m
Frontier
Tue 7/74:13 pm
SNA
- STL
1 stop23h 52m
Frontier
Deal found 6/2![Frontier logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 8/186:58 pm
STL
- SNA
1 stop24h 47m
Multiple Airlines
Sun 8/238:10 pm
SNA
- STL
1 stop21h 26m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$290
This CheapOair deal was found by Cheapflights users on 6/1. 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 8/196:58 pm
STL
- SNA
1 stop19h 02m
Frontier
Sat 8/228:10 pm
SNA
- STL
1 stop21h 26m
Frontier
Deal found 6/1![Frontier logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 9/108:10 pm
STL
- SNA
1 stop16h 02m
Multiple Airlines
Wed 9/167:30 am
SNA
- STL
2 stops24h 10m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$301
This United Airlines deal was found by Cheapflights users on 6/1. 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 8/195:10 am
STL
- SNA
1 stop6h 07m
United Airlines
Sat 8/2211:10 am
SNA
- STL
2 stops8h 50m
United Airlines
Deal found 6/1![United Airlines logo]()
$317
This Booking.com deal was found by Cheapflights users on 6/2. 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 7/17:46 pm
STL
- SNA
1 stop18h 48m
Frontier
Sat 7/48:10 pm
SNA
- STL
1 stop20h 05m
Frontier
Deal found 6/2![Frontier logo]()
$320
This CheapOair deal was found by Cheapflights users on 6/4. 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 7/317:10 pm
STL
- SNA
1 stop19h 21m
Frontier
Tue 8/44:13 pm
SNA
- STL
1 stop23h 52m
Frontier
Deal found 6/4![Frontier logo]()
$321
This CheapOair deal was found by Cheapflights users on 6/3. 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.
Tue 7/147:03 pm
STL
- SNA
1 stop22h 25m
Frontier
Mon 7/207:53 pm
SNA
- STL
1 stop20h 12m
Frontier
Deal found 6/3![Frontier logo]()
$322
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 June 6, 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 June 6, 2026.
This Orbitz deal was found by Cheapflights users on 6/5. 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.
Sun 9/138:10 pm
STL
- SNA
1 stop16h 02m
Frontier
Thu 9/1711:07 am
SNA
- STL
1 stop6h 08m
Frontier
Deal found 6/5![Frontier logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 9/86:58 pm
STL
- SNA
1 stop24h 42m
Multiple Airlines
Sun 9/134:50 pm
SNA
- STL
1 stop17h 01m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$365
This Southwest deal was found by Cheapflights users on 6/1. 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 10/68:35 am
STL
- SNA
1 stop8h 05m
Southwest
Tue 10/137:10 am
SNA
- STL
2 stops8h 30m
Southwest
Deal found 6/1![Southwest logo]()
$402
This Alaska Airlines deal was found by Cheapflights users on 6/3. 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.
Thu 8/132:50 pm
STL
- SNA
1 stop9h 11m
Alaska Airlines
Mon 8/177:00 am
SNA
- STL
1 stop7h 37m
Alaska Airlines
Deal found 6/3![Alaska Airlines logo]()
$447
This United Airlines deal was found by Cheapflights users on 6/5. 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 8/1111:15 am
STL
- SNA
2 stops11h 36m
United Airlines
Wed 8/126:45 am
SNA
- STL
1 stop7h 49m
United Airlines
Deal found 6/5![United Airlines logo]()
$520
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 9/118:10 pm
STL
- SNA
1 stop16h 02m
Multiple Airlines
Wed 9/167:30 am
SNA
- STL
2 stops24h 10m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$409
This Southwest deal was found by Cheapflights users on 6/3. 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 8/55:35 am
STL
- SNA
1 stop5h 45m
Southwest
Wed 8/511:00 am
SNA
- STL
2 stops7h 40m
Southwest
Deal found 6/3![Southwest logo]()
$436
This Alaska Airlines deal was found by Cheapflights users on 6/5. 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 8/116:02 am
STL
- SNA
1 stop9h 53m
Alaska Airlines
Wed 8/127:00 am
SNA
- STL
1 stop7h 37m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$447
This Southwest deal was found by Cheapflights users on 6/1. 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.
Sun 10/258:30 am
STL
- SNA
1 stop6h 55m
Southwest
Sat 10/3110:25 am
SNA
- STL
2 stops8h 10m
Southwest
Deal found 6/1![Southwest logo]()
$457
This Southwest deal was found by Cheapflights users on 6/1. 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 7/273:20 pm
STL
- SNA
2 stops8h 10m
Southwest
Tue 7/287:00 am
SNA
- STL
2 stops8h 45m
Southwest
Deal found 6/1![Southwest logo]()
$471
This Southwest deal was found by Cheapflights users on 6/5. 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 7/272:15 pm
STL
- SNA
2 stops6h 55m
Southwest
Sat 8/16:45 am
SNA
- STL
2 stops9h 15m
Southwest
Deal found 6/5![Southwest logo]()
$517
Last-minute flights from St. Louis to Santa AnaDiscover last-minute flight deals from St. Louis to Santa Ana. Data last updated June 6, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Santa Ana. Data last updated June 6, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 6/2. 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 6/247:46 pm
STL
- SNA
1 stop18h 48m
Frontier
Sun 6/288:10 pm
SNA
- STL
1 stop15h 56m
Frontier
Deal found 6/2![Frontier logo]()
$362
This CheapOair deal was found by Cheapflights users on 6/2. 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 7/17:46 pm
STL
- SNA
1 stop18h 48m
Frontier
Tue 7/74:13 pm
SNA
- STL
1 stop23h 52m
Frontier
Deal found 6/2![Frontier logo]()
$286
This Booking.com deal was found by Cheapflights users on 6/2. 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 7/17:46 pm
STL
- SNA
1 stop18h 48m
Frontier
Sat 7/48:10 pm
SNA
- STL
1 stop20h 05m
Frontier
Deal found 6/2![Frontier logo]()
$320
This CheapOair deal was found by Cheapflights users on 6/5. 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 7/212:11 pm
STL
- SNA
1 stop26h 23m
Frontier
Mon 7/67:53 pm
SNA
- STL
1 stop20h 12m
Frontier
Deal found 6/5![Frontier logo]()
$357
This CheapOair deal was found by Cheapflights users on 6/3. 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.
Tue 7/147:03 pm
STL
- SNA
1 stop22h 25m
Frontier
Mon 7/207:53 pm
SNA
- STL
1 stop20h 12m
Frontier
Deal found 6/3![Frontier logo]()
$322
This Booking.com deal was found by Cheapflights users on 6/4. 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.
Mon 7/207:10 pm
STL
- SNA
1 stop22h 18m
Frontier
Thu 7/2311:15 am
SNA
- STL
1 stop6h 08m
Frontier
Deal found 6/4![Frontier logo]()
$361
This Booking.com deal was found by Cheapflights users on 6/4. 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 7/237:10 pm
STL
- SNA
1 stop19h 21m
Frontier
Sun 7/267:53 pm
SNA
- STL
1 stop20h 22m
Frontier
Deal found 6/4![Frontier logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 7/277:10 pm
STL
- SNA
1 stop22h 18m
Frontier
Sat 8/17:53 pm
SNA
- STL
1 stop20h 22m
Frontier
Deal found 6/5![Frontier logo]()
$338
This Booking.com deal was found by Cheapflights users on 6/1. 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 7/308:08 pm
STL
- SNA
1 stop13h 57m
Frontier
Tue 8/44:13 pm
SNA
- STL
1 stop23h 52m
Frontier
Deal found 6/1![Frontier logo]()
$363
This CheapOair deal was found by Cheapflights users on 6/4. 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 7/317:10 pm
STL
- SNA
1 stop19h 21m
Frontier
Tue 8/44:13 pm
SNA
- STL
1 stop23h 52m
Frontier
Deal found 6/4![Frontier logo]()
$321
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 June 6, 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 June 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 8/58:08 pm
STL
- SNA
1 stop16h 20m
Frontier
Deal found 6/3![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 7/67:10 pm
STL
- SNA
1 stop22h 18m
Frontier
Deal found 6/4![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 9/18:08 pm
STL
- SNA
2 stops41h 52m
Frontier
Deal found 6/4![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 7/17:46 pm
STL
- SNA
1 stop18h 48m
Frontier
Deal found 6/4![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 9/16:58 pm
STL
- SNA
1 stop24h 47m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$139
This Mytrip deal was found by Cheapflights users on 6/1. 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.
Wed 10/285:32 pm
STL
- SNA
1 stop26h 03m
Frontier
Deal found 6/1![Frontier logo]()
$148
This Mytrip deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:10 pm
STL
- SNA
1 stop16h 01m
Frontier
Deal found 6/1![Frontier logo]()
$154
This Flightnetwork deal was found by Cheapflights users on 6/1. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/77:03 pm
STL
- SNA
1 stop22h 25m
Frontier
Deal found 6/1![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 7/17:03 pm
STL
- SNA
2 stops17h 40m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$177
This CheapOair deal was found by Cheapflights users on 6/4. 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 9/48:21 pm
STL
- SNA
1 stop17h 39m
Frontier
Deal found 6/4![Frontier logo]()
$185
This Booking.com deal was found by Cheapflights users on 6/5. 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 6/262:56 pm
STL
- SNA
1 stop23h 38m
Frontier
Deal found 6/5![Frontier logo]()
$186
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 June 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $273 (Kiwi.com) |
One-way from | $100 (Kiwi.com) |
Popular in | May |
Cheapest in | November |
Average price | $536 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Santa Ana that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 6, 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
Sun 9/13
8:10 pm-10:12 am
1 stop16h 02m
Santa Ana J. Wayne/Orange Cnty
Thu 9/17
11:07 am-7:15 pm
1 stop6h 08m
$342
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Tue 9/8
6:58 pm-5:40 pm
1 stop24h 42m
Santa Ana J. Wayne/Orange Cnty
Sun 9/13
4:50 pm-11:51 am
1 stop17h 01m
$365
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Tue 10/6
8:35 am-2:40 pm
1 stop8h 05m
Santa Ana J. Wayne/Orange Cnty
Tue 10/13
7:10 am-5:40 pm
2 stops8h 30m
$402
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Fri 9/11
8:10 pm-10:12 am
1 stop16h 02m
Santa Ana J. Wayne/Orange Cnty
Wed 9/16
7:30 am-9:40 am
2 stops24h 10m
$409
Quickest round-trip
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Wed 8/5
5:35 am-9:20 am
1 stop5h 45m
Santa Ana J. Wayne/Orange Cnty
Wed 8/5
11:00 am-8:40 pm
2 stops7h 40m
$436
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Thu 8/13
2:50 pm-10:01 pm
1 stop9h 11m
Santa Ana J. Wayne/Orange Cnty
Mon 8/17
7:00 am-4:37 pm
1 stop7h 37m
$447
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Tue 8/11
6:02 am-1:55 pm
1 stop9h 53m
Santa Ana J. Wayne/Orange Cnty
Wed 8/12
7:00 am-4:37 pm
1 stop7h 37m
$447
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Sun 10/25
8:30 am-1:25 pm
1 stop6h 55m
Santa Ana J. Wayne/Orange Cnty
Sat 10/31
10:25 am-8:35 pm
2 stops8h 10m
$457
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Mon 7/27
3:20 pm-9:30 pm
2 stops8h 10m
Santa Ana J. Wayne/Orange Cnty
Tue 7/28
7:00 am-5:45 pm
2 stops8h 45m
$471
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Mon 7/27
2:15 pm-7:10 pm
2 stops6h 55m
Santa Ana J. Wayne/Orange Cnty
Sat 8/1
6:45 am-6:00 pm
2 stops9h 15m
$517
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 June.
| 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
Prices
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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 June 6, 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.
Overall
8.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
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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 June 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$159 | Average$280 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$278 | Average$422 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$316 | Average$561 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$322 | Average$513 | FlexibilityNo cancel fee | On-time69% |