St. Louis (STL) to San Juan (SJU) flight deal in business from $373
STLLambert-Saint Louis International Airport
St. Louis, United States
SJULuis Muñoz Marín International Airport
San Juan, Puerto Rico
$469 USD
-20%$373 USD
Verified 15 days agoAugust 2026
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Rare Availability
9% of dates checked are available within 10% of the lowest price
Wednesday, August 12th, 2026
Outbound Flights
16h 15m·1 stop
$422 USD
STLAug 12 06:00
→ORDAug 12 07:34
AA 1926Airbus A319
9h 46m layover
ORDAug 12 17:20
→SJUAug 12 23:15
AA 1865Boeing 737
12h 37m·1 stop
$422 USDSTLAug 12 10:22
→CLTAug 12 13:15
AA 2967Boeing 737
7h 1m layover
CLTAug 12 20:16
→SJUAug 12 23:59
AA 2830Airbus A321
12h 15m·2 stops
$422 USDSTLAug 12 10:44
→DCAAug 12 14:17
AA 4776Embraer 175
3h 18m layover
DCAAug 12 17:35
→CLTAug 12 19:19
AA 2182Boeing 737
57m layover
CLTAug 12 20:16
→SJUAug 12 23:59
AA 2830Airbus A321
12h 15m·2 stops
$422 USDSTLAug 12 10:44
→DCAAug 12 14:17
AA 4776Embraer 175
54m layover
DCAAug 12 15:11
→CLTAug 12 16:52
AA 2040Airbus A320
3h 24m layover
CLTAug 12 20:16
→SJUAug 12 23:59
AA 2830Airbus A321
8h 37m·1 stop
$468 USD
STLAug 12 12:52
→ATLAug 12 15:33
DL 566Boeing 737
3h 12m layover
ATLAug 12 18:45
→SJUAug 12 22:29
DL 1861Boeing 737
11h 33m·2 stops
$513 USDSTLAug 12 06:00
→DCAAug 12 09:14
AA 5015Canadair RJ 700
2h 40m layover
DCAAug 12 11:54
→MIAAug 12 14:36
AA 1627Boeing 737
1h 11m layover
MIAAug 12 15:47
→SJUAug 12 18:33
AA 1852Boeing 737
11h 33m·2 stops
$513 USDSTLAug 12 06:00
→ORDAug 12 07:34
AA 1926Airbus A319
1h 3m layover
ORDAug 12 08:37
→MIAAug 12 12:50
AA 1250Airbus A321
2h 57m layover
MIAAug 12 15:47
→SJUAug 12 18:33
AA 1852Boeing 737
15h 24m·1 stop
$513 USDSTLAug 12 06:00
→PHLAug 12 09:22
AA 1308Airbus A319
8h 53m layover
PHLAug 12 18:15
→SJUAug 12 22:24
AA 2433Boeing 737
12h 43m·1 stop
$513 USDSTLAug 12 09:32
→ORDAug 12 11:00
AA 3568Embraer 170
6h 20m layover
ORDAug 12 17:20
→SJUAug 12 23:15
AA 1865Boeing 737
10h 11m·2 stops
$513 USDSTLAug 12 10:44
→DCAAug 12 14:17
AA 4776Embraer 175
37m layover
DCAAug 12 14:54
→MIAAug 12 17:48
AA 1299Boeing 737
1h 23m layover
MIAAug 12 19:11
→SJUAug 12 21:55
AA 1689Boeing 737
7h 34m·1 stop
$513 USDSTLAug 12 15:25
→CLTAug 12 18:22
AA 831Boeing 737
1h 54m layover
CLTAug 12 20:16
→SJUAug 12 23:59
AA 2830Airbus A321
8h 23m·1 stop
$523 USD
STLAug 12 11:15
→IAHAug 12 13:32
UA 5566Embraer 175
1h 34m layover
IAHAug 12 15:06
→SJUAug 12 20:38
UA 701Boeing 737MAX 9 Passenger
6h 57m·1 stop
$553 USDSTLAug 12 06:54
→CLTAug 12 09:49
AA 712Boeing 737
1h 16m layover
CLTAug 12 11:05
→SJUAug 12 14:51
AA 783Airbus A321
8h 50m·1 stop
$553 USDSTLAug 12 13:25
→ORDAug 12 15:01
AA 6355Canadair RJ 700
2h 19m layover
ORDAug 12 17:20
→SJUAug 12 23:15
AA 1865Boeing 737
6h 23m·1 stop
$578 USDSTLAug 12 09:15
→ATLAug 12 11:53
DL 1571Boeing 737
1h 7m layover
ATLAug 12 13:00
→SJUAug 12 16:38
DL 1946Boeing 737
6h 42m·1 stop
$578 USDSTLAug 12 06:00
→ATLAug 12 08:38
DL 1524Boeing 737
1h 17m layover
ATLAug 12 09:55
→SJUAug 12 13:42
DL 1882Airbus A321
8h 27m·1 stop
$688 USDSTLAug 12 06:15
→IAHAug 12 08:28
UA 1513Airbus A319
1h 42m layover
IAHAug 12 10:10
→SJUAug 12 15:42
UA 1192Boeing 737MAX 9 Passenger
10h 2m·1 stop
$778 USDSTLAug 12 11:22
→PHLAug 12 14:39
AA 5054Canadair RJ 900
3h 36m layover
PHLAug 12 18:15
→SJUAug 12 22:24
AA 2433Boeing 737
6h 40m·1 stop
$808 USDSTLAug 12 05:00
→MIAAug 12 08:53
AA 1716Boeing 737
1h 2m layover
MIAAug 12 09:55
→SJUAug 12 12:40
AA 1613Boeing 737
9h 20m·1 stop
$808 USDSTLAug 12 11:35
→MIAAug 12 15:29
AA 477Airbus A319
3h 42m layover
MIAAug 12 19:11
→SJUAug 12 21:55
AA 1689Boeing 737
7h 44m·1 stop
$1,346 USDSTLAug 12 06:00
→ORDAug 12 07:33
UA 4423Bombardier Regional Jet 550
1h 22m layover
ORDAug 12 08:55
→SJUAug 12 14:44
UA 1996Airbus A321neo
27h 21m·1 stop
$10,641 USDSTLAug 12 18:54
→ORDAug 12 20:30
UA 4616Bombardier Regional Jet 550
20h 50m layover·Overnight
ORDAug 13 17:20
→SJUAug 13 23:15
AA 1865Boeing 737