$111+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SNA
Jun 3 — Jun 101
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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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 4, 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 4, 2026.
This CheapOair deal was found by Cheapflights users on 5/1. 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 5/206:51 pm
STL
- SNA
1 stop19h 28m
Frontier
Sat 5/239:54 am
SNA
- STL
1 stop7h 29m
Frontier
Deal found 5/1![Frontier logo]()
$185
This Trip.com deal was found by Cheapflights users on 4/29. 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.
Wed 5/136:51 pm
STL
- SNA
1 stop19h 28m
Frontier
Sat 5/169:54 am
SNA
- STL
1 stop7h 29m
Frontier
Deal found 4/29![Frontier logo]()
$215
This Trip.com deal was found by Cheapflights users on 4/29. 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.
Wed 5/136:51 pm
STL
- SNA
1 stop19h 28m
Frontier
Mon 5/188:14 pm
SNA
- STL
1 stop19h 52m
Frontier
Deal found 4/29![Frontier logo]()
$216
This CheapOair deal was found by Cheapflights users on 4/29. 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 5/289:21 pm
STL
- SNA
1 stop16h 58m
Frontier
Mon 6/19:54 am
SNA
- STL
1 stop7h 29m
Frontier
Deal found 4/29![Frontier logo]()
$230
This CheapOair deal was found by Cheapflights users on 5/3. 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.
Sat 5/238:08 pm
STL
- SNA
1 stop15h 01m
Frontier
Sat 5/309:54 am
SNA
- STL
1 stop7h 29m
Frontier
Deal found 5/3![Frontier logo]()
$240
This CheapOair deal was found by Cheapflights users on 4/30. 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 6/122:56 pm
STL
- SNA
1 stop23h 38m
Frontier
Mon 6/158:10 pm
SNA
- STL
1 stop20h 41m
Frontier
Deal found 4/30![Frontier logo]()
$250
This Expedia deal was found by Cheapflights users on 4/30. 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.
Thu 5/148:08 pm
STL
- SNA
1 stop15h 01m
Frontier
Sun 5/178:14 pm
SNA
- STL
1 stop22h 09m
Frontier
Deal found 4/30![Frontier logo]()
$260
This Trip.com deal was found by Cheapflights users on 5/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/219:06 pm
STL
- SNA
1 stop17h 13m
Frontier
Sun 5/249:54 am
SNA
- STL
1 stop7h 29m
Frontier
Deal found 5/3![Frontier logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 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 stops21h 12m
Multiple Airlines
Thu 6/254:24 pm
SNA
- STL
1 stop23h 54m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 6/14:19 pm
STL
- SNA
1 stop21h 56m
Multiple Airlines
Mon 6/88:10 pm
SNA
- STL
2 stops21h 13m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 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 stops21h 12m
Multiple Airlines
Mon 6/224:24 pm
SNA
- STL
1 stop23h 54m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$279
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 4, 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 4, 2026.
This Trip.com deal was found by Cheapflights users on 5/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/219:06 pm
STL
- SNA
1 stop17h 13m
Frontier
Sun 5/249:54 am
SNA
- STL
1 stop7h 29m
Frontier
Deal found 5/3![Frontier logo]()
$271
This Expedia deal was found by Cheapflights users on 4/29. 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.
Mon 7/277:56 pm
STL
- SNA
1 stop15h 30m
Multiple Airlines
Thu 7/3010:19 am
SNA
- STL
1 stop7h 04m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 5/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/273:11 pm
STL
- SNA
1 stop7h 23m
Delta
Tue 6/29:52 am
SNA
- STL
1 stop7h 11m
Delta
Deal found 5/3![Delta logo]()
$387
This Southwest deal was found by Cheapflights users on 5/3. 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.
Thu 6/254:00 pm
STL
- SNA
1 stop7h 55m
Southwest
Tue 6/301:45 pm
SNA
- STL
1 stop8h 00m
Southwest
Deal found 5/3![Southwest logo]()
$442
This United Airlines deal was found by Cheapflights users on 5/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:10 am
STL
- SNA
1 stop5h 57m
United Airlines
Wed 6/310:20 am
SNA
- STL
2 stops11h 09m
United Airlines
Deal found 5/2![United Airlines logo]()
$492
This Delta deal was found by Cheapflights users on 5/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2710:49 am
STL
- SNA
1 stop9h 44m
Delta
Mon 6/112:25 pm
SNA
- STL
1 stop7h 13m
Delta
Deal found 5/3![Delta logo]()
$398
This Delta deal was found by Cheapflights users on 5/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:20 pm
STL
- SNA
1 stop7h 09m
Delta
Tue 6/29:52 am
SNA
- STL
1 stop7h 11m
Delta
Deal found 5/3![Delta logo]()
$398
This Southwest deal was found by Cheapflights users on 4/30. 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 6/42:15 pm
STL
- SNA
2 stops6h 55m
Southwest
Tue 6/98:30 am
SNA
- STL
2 stops7h 45m
Southwest
Deal found 4/30![Southwest logo]()
$465
This CheapOair deal was found by Cheapflights users on 4/29. 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 5/219:06 pm
STL
- SNA
1 stop17h 13m
Frontier
Fri 5/228:10 pm
SNA
- STL
1 stop19h 24m
Frontier
Deal found 4/29![Frontier logo]()
$488
This Delta deal was found by Cheapflights users on 4/29. 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 6/46:21 am
STL
- SNA
1 stop8h 24m
Delta
Mon 6/82:00 pm
SNA
- STL
1 stop7h 56m
Delta
Deal found 4/29![Delta logo]()
$409
This Delta deal was found by Cheapflights users on 5/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/282:27 pm
STL
- SNA
1 stop5h 48m
Delta
Mon 6/15:05 pm
SNA
- STL
1 stop5h 25m
Delta
Deal found 5/3![Delta logo]()
$409
This Southwest deal was found by Cheapflights users on 5/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:25 am
STL
- SNA
1 stop6h 25m
Southwest
Tue 10/1310:15 am
SNA
- STL
1 stop5h 30m
Southwest
Deal found 5/2![Southwest logo]()
$497
Last-minute flights from St. Louis to Santa AnaDiscover last-minute flight deals from St. Louis to Santa Ana. Data last updated May 4, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Santa Ana. Data last updated May 4, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 4/29. 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.
Wed 5/136:51 pm
STL
- SNA
1 stop19h 28m
Frontier
Sat 5/169:54 am
SNA
- STL
1 stop7h 29m
Frontier
Deal found 4/29![Frontier logo]()
$215
This Trip.com deal was found by Cheapflights users on 4/29. 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.
Wed 5/136:51 pm
STL
- SNA
1 stop19h 28m
Frontier
Mon 5/188:14 pm
SNA
- STL
1 stop19h 52m
Frontier
Deal found 4/29![Frontier logo]()
$216
This Expedia deal was found by Cheapflights users on 4/30. 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.
Thu 5/148:08 pm
STL
- SNA
1 stop15h 01m
Frontier
Sun 5/178:14 pm
SNA
- STL
1 stop22h 09m
Frontier
Deal found 4/30![Frontier logo]()
$260
This CheapOair deal was found by Cheapflights users on 5/1. 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 5/206:51 pm
STL
- SNA
1 stop19h 28m
Frontier
Sat 5/239:54 am
SNA
- STL
1 stop7h 29m
Frontier
Deal found 5/1![Frontier logo]()
$185
This CheapOair deal was found by Cheapflights users on 5/2. 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.
Thu 5/219:06 pm
STL
- SNA
1 stop17h 13m
Frontier
Sun 5/249:54 am
SNA
- STL
1 stop7h 29m
Frontier
Deal found 5/2![Frontier logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 5/236:30 pm
STL
- SNA
2 stops23h 05m
Frontier
Sat 5/309:54 am
SNA
- STL
1 stop7h 29m
Frontier
Deal found 4/30![Frontier logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/248:08 pm
STL
- SNA
1 stop15h 01m
Multiple Airlines
Thu 5/281:33 pm
SNA
- STL
2 stops41h 22m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$327
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/248:08 pm
STL
- SNA
1 stop15h 01m
Frontier
Thu 5/289:54 am
SNA
- STL
1 stop7h 29m
Frontier
Deal found 5/1![Frontier logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:51 pm
STL
- SNA
1 stop24h 54m
Multiple Airlines
Fri 5/296:38 pm
SNA
- STL
1 stop22h 53m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$332
This CheapOair deal was found by Cheapflights users on 4/29. 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 5/289:21 pm
STL
- SNA
1 stop16h 58m
Frontier
Mon 6/19:54 am
SNA
- STL
1 stop7h 29m
Frontier
Deal found 4/29![Frontier logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 5/3. 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.
Thu 5/288:08 pm
STL
- SNA
1 stop15h 01m
Multiple Airlines
Tue 6/27:30 am
SNA
- STL
2 stops33h 53m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$306
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 4, 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 4, 2026.
This CheapOair deal was found by Cheapflights users on 4/29. 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 5/136:51 pm
STL
- SNA
1 stop19h 28m
Frontier
Deal found 4/29![Frontier logo]()
$111
This CheapOair deal was found by Cheapflights users on 5/2. 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.
Thu 5/288:08 pm
STL
- SNA
1 stop15h 01m
Frontier
Deal found 5/2![Frontier logo]()
$131
This Trip.com deal was found by Cheapflights users on 5/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/158:08 pm
STL
- SNA
2 stops18h 28m
Frontier
Deal found 5/1![Frontier logo]()
$139
This CheapOair deal was found by Cheapflights users on 5/2. 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.
Thu 5/219:06 pm
STL
- SNA
1 stop17h 13m
Frontier
Deal found 5/2![Frontier logo]()
$141
This CheapOair deal was found by Cheapflights users on 5/2. 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.
Sat 5/308:08 pm
STL
- SNA
1 stop15h 01m
Frontier
Deal found 5/2![Frontier logo]()
$151
This CheapOair deal was found by Cheapflights users on 4/28. 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 5/1412:36 pm
STL
- SNA
1 stop25h 43m
Frontier
Deal found 4/28![Frontier logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/84:19 pm
STL
- SNA
1 stop21h 56m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$162
This Trip.com deal was found by Cheapflights users on 4/30. 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 5/158:08 pm
STL
- SNA
1 stop15h 01m
Frontier
Deal found 4/30![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/159:18 pm
STL
- SNA
2 stops40h 10m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$174
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 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $185 (CheapOair) |
One-way from | $111 (CheapOair) |
Popular in | May |
Cheapest in | November |
Average price | $679 |
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 4, 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 5/21
9:06 pm-12:19 pm
1 stop17h 13m
Santa Ana J. Wayne/Orange Cnty
Sun 5/24
9:54 am-7:23 pm
1 stop7h 29m
$271
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Mon 7/27
7:56 pm-9:26 am
1 stop15h 30m
Santa Ana J. Wayne/Orange Cnty
Thu 7/30
10:19 am-7:23 pm
1 stop7h 04m
$379
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Wed 5/27
3:11 pm-8:34 pm
1 stop7h 23m
Santa Ana J. Wayne/Orange Cnty
Tue 6/2
9:52 am-7:03 pm
1 stop7h 11m
$387
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Wed 5/27
10:49 am-6:33 pm
1 stop9h 44m
Santa Ana J. Wayne/Orange Cnty
Mon 6/1
12:25 pm-9:38 pm
1 stop7h 13m
$398
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Thu 5/28
5:20 pm-10:29 pm
1 stop7h 09m
Santa Ana J. Wayne/Orange Cnty
Tue 6/2
9:52 am-7:03 pm
1 stop7h 11m
$398
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Thu 6/4
6:21 am-12:45 pm
1 stop8h 24m
Santa Ana J. Wayne/Orange Cnty
Mon 6/8
2:00 pm-11:56 pm
1 stop7h 56m
$409
Quickest round-trip
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Thu 5/28
2:27 pm-6:15 pm
1 stop5h 48m
Santa Ana J. Wayne/Orange Cnty
Mon 6/1
5:05 pm-12:30 am
1 stop5h 25m
$409
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Thu 6/25
4:00 pm-9:55 pm
1 stop7h 55m
Santa Ana J. Wayne/Orange Cnty
Tue 6/30
1:45 pm-11:45 pm
1 stop8h 00m
$442
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Thu 6/4
2:15 pm-7:10 pm
2 stops6h 55m
Santa Ana J. Wayne/Orange Cnty
Tue 6/9
8:30 am-6:15 pm
2 stops7h 45m
$465
St. LouisSanta Ana
STL - SNA
STLSNA
Lambert-St Louis
Thu 5/21
9:06 pm-12:19 pm
1 stop17h 13m
Santa Ana J. Wayne/Orange Cnty
Fri 5/22
8:10 pm-5:34 pm
1 stop19h 24m
$488
Showing 1-10 of 20 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 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
More
How far ahead should I book a flight from St. Louis to Santa Ana, California?
To ensure you get the cheapest price possible for a flight from St. Louis to Santa Ana, California, you should look to book at least 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 $679). 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 67% 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 Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 5h 59m.
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 Denver (DEN) 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 4, 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.
Comfort
8.0
Entertainment
7.5
Overall
7.9
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Entertainment
7.5
Overall
7.9
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Entertainment
7.5
Overall
7.9
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Entertainment
7.5
Overall
7.9
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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 3 airlines flying from St. Louis to Santa Ana
Discover the top 3 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 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$278 | Average$410 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$286 | Average$491 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$316 | Average$561 | FlexibilityNo cancel fee | On-time63% |