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 agoSeptember 2026
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Rare Availability
9% of dates checked are available within 10% of the lowest price
Wednesday, September 2nd, 2026
Outbound Flights
8h 38m·1 stop
$422 USD
STLSep 2 05:00
→MIASep 2 08:53
AA 1716Boeing 737
2h 52m layover
MIASep 2 11:45
→SJUSep 2 14:38
AA 1341Airbus A321
6h 57m·1 stop
$422 USDSTLSep 2 06:54
→CLTSep 2 09:49
AA 712Boeing 737
1h 16m layover
CLTSep 2 11:05
→SJUSep 2 14:51
AA 783Airbus A321
7h 34m·1 stop
$422 USDSTLSep 2 15:25
→CLTSep 2 18:22
AA 831Boeing 737
1h 54m layover
CLTSep 2 20:16
→SJUSep 2 23:59
AA 2830Airbus A321
9h 20m·1 stop
$422 USDSTLSep 2 11:35
→MIASep 2 15:29
AA 477Boeing 737MAX 8 Passenger
3h 42m layover
MIASep 2 19:11
→SJUSep 2 21:55
AA 1689Boeing 737
19h 56m·2 stops
$422 USDSTLSep 2 17:42
→PHLSep 2 21:03
AA 3049Airbus A319
47m layover
PHLSep 2 21:50
→MIASep 3 00:48
AA 2936Airbus A321
10h 57m layover
MIASep 3 11:45
→SJUSep 3 14:38
AA 1341Airbus A321
8h 27m·1 stop
$496 USD
STLSep 2 06:15
→IAHSep 2 08:28
UA 1513Airbus A319
1h 42m layover
IAHSep 2 10:10
→SJUSep 2 15:42
UA 1192Boeing 737MAX 9 Passenger
6h 40m·1 stop
$503 USDSTLSep 2 05:00
→MIASep 2 08:53
AA 1716Boeing 737
1h 2m layover
MIASep 2 09:55
→SJUSep 2 12:40
AA 1613Boeing 737
8h 23m·1 stop
$523 USDSTLSep 2 11:15
→IAHSep 2 13:32
UA 5566Embraer 175
1h 34m layover
IAHSep 2 15:06
→SJUSep 2 20:38
UA 701Boeing 737MAX 9 Passenger
8h 50m·1 stop
$553 USDSTLSep 2 13:25
→ORDSep 2 15:01
AA 6355Canadair RJ 700
2h 19m layover
ORDSep 2 17:20
→SJUSep 2 23:15
AA 1865Boeing 737
6h 42m·1 stop
$688 USD
STLSep 2 06:00
→ATLSep 2 08:38
DL 1524Boeing 737
1h 17m layover
ATLSep 2 09:55
→SJUSep 2 13:42
DL 1882Airbus A321
7h 44m·1 stop
$688 USDSTLSep 2 06:00
→ORDSep 2 07:33
UA 4423Bombardier Regional Jet 550
1h 22m layover
ORDSep 2 08:55
→SJUSep 2 14:44
UA 1996Airbus A321neo