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 19th, 2026
Outbound Flights
8h 38m·1 stop
$422 USD
STLAug 19 05:00
→MIAAug 19 08:53
AA 1716Boeing 737
2h 52m layover
MIAAug 19 11:45
→SJUAug 19 14:38
AA 1341Airbus A321
7h 34m·1 stop
$422 USDSTLAug 19 15:25
→CLTAug 19 18:22
AA 831Boeing 737
1h 54m layover
CLTAug 19 20:16
→SJUAug 19 23:59
AA 2830Airbus A321
10h 39m·2 stops
$422 USDSTLAug 19 06:54
→CLTAug 19 09:49
AA 712Boeing 737
1h 11m layover
CLTAug 19 11:00
→MIAAug 19 13:11
AA 2768Boeing 737
2h 36m layover
MIAAug 19 15:47
→SJUAug 19 18:33
AA 1852Boeing 737
9h 20m·1 stop
$422 USDSTLAug 19 11:35
→MIAAug 19 15:29
AA 477Airbus A319
3h 42m layover
MIAAug 19 19:11
→SJUAug 19 21:55
AA 1689Boeing 737
8h 37m·1 stop
$468 USD
STLAug 19 12:52
→ATLAug 19 15:33
DL 566Boeing 737
3h 12m layover
ATLAug 19 18:45
→SJUAug 19 22:29
DL 1861Boeing 737
6h 40m·1 stop
$513 USDSTLAug 19 05:00
→MIAAug 19 08:53
AA 1716Boeing 737
1h 2m layover
MIAAug 19 09:55
→SJUAug 19 12:40
AA 1613Boeing 737
8h 23m·1 stop
$523 USD
STLAug 19 11:15
→IAHAug 19 13:32
UA 5566Embraer 175
1h 34m layover
IAHAug 19 15:06
→SJUAug 19 20:38
UA 701Boeing 737MAX 9 Passenger
10h 23m·1 stop
$523 USDSTLAug 19 12:27
→EWRAug 19 15:59
UA 560Airbus A319
3h 48m layover
EWRAug 19 19:47
→SJUAug 19 23:50
UA 1543Boeing 737MAX 9 Passenger
8h 50m·1 stop
$553 USDSTLAug 19 13:25
→ORDAug 19 15:01
AA 6355Canadair RJ 700
2h 19m layover
ORDAug 19 17:20
→SJUAug 19 23:15
AA 1865Boeing 737
8h 27m·1 stop
$560 USDSTLAug 19 06:15
→IAHAug 19 08:28
UA 1513Airbus A319
1h 42m layover
IAHAug 19 10:10
→SJUAug 19 15:42
UA 1192Boeing 737MAX 9 Passenger
6h 42m·1 stop
$578 USDSTLAug 19 06:00
→ATLAug 19 08:38
DL 1524Boeing 737
1h 17m layover
ATLAug 19 09:55
→SJUAug 19 13:42
DL 1882Airbus A321
6h 57m·1 stop
$623 USDSTLAug 19 06:54
→CLTAug 19 09:49
AA 712Boeing 737
1h 16m layover
CLTAug 19 11:05
→SJUAug 19 14:51
AA 783Airbus A321
7h 44m·1 stop
$708 USDSTLAug 19 06:00
→ORDAug 19 07:33
UA 4423Bombardier Regional Jet 550
1h 22m layover
ORDAug 19 08:55
→SJUAug 19 14:44
UA 1996Airbus A321neo
6h 23m·1 stop
$932 USDSTLAug 19 09:15
→ATLAug 19 11:53
DL 1571Boeing 737
1h 7m layover
ATLAug 19 13:00
→SJUAug 19 16:38
DL 1946Boeing 737