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 16 days agoSeptember 2026
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Rare Availability
9% of dates checked are available within 10% of the lowest price
Saturday, September 5th, 2026
Outbound Flights
6h 18m·1 stop
$417 USD
STLSep 5 07:35
→CLTSep 5 10:30
AA 712Boeing 737
35m layover
CLTSep 5 11:05
→SJUSep 5 14:53
AA 783Airbus A321
9h 20m·1 stop
$417 USDSTLSep 5 11:35
→MIASep 5 15:29
AA 477Boeing 737MAX 8 Passenger
3h 42m layover
MIASep 5 19:11
→SJUSep 5 21:55
AA 1689Boeing 737
8h 29m·1 stop
$417 USDSTLSep 5 13:25
→ORDSep 5 15:01
AA 6355Canadair RJ 700
1h 58m layover
ORDSep 5 16:59
→SJUSep 5 22:54
AA 1865Boeing 737
8h 38m·1 stop
$468 USD
STLSep 5 07:00
→ATLSep 5 09:37
DL 1536Boeing 737
3h 23m layover
ATLSep 5 13:00
→SJUSep 5 16:38
DL 1946Boeing 737
8h 27m·1 stop
$523 USD
STLSep 5 06:15
→IAHSep 5 08:32
UA 4608Bombardier Regional Jet 550
1h 38m layover
IAHSep 5 10:10
→SJUSep 5 15:42
UA 1192Boeing 737MAX 9 Passenger
8h 38m·1 stop
$548 USDSTLSep 5 05:00
→MIASep 5 08:53
AA 1716Boeing 737
2h 52m layover
MIASep 5 11:45
→SJUSep 5 14:38
AA 1341Airbus A321
7h 44m·1 stop
$703 USDSTLSep 5 06:00
→ORDSep 5 07:33
UA 4423Bombardier Regional Jet 550
1h 22m layover
ORDSep 5 08:55
→SJUSep 5 14:44
UA 1996Airbus A321neo
6h 40m·1 stop
$808 USDSTLSep 5 05:00
→MIASep 5 08:53
AA 1716Boeing 737
1h 2m layover
MIASep 5 09:55
→SJUSep 5 12:40
AA 1613Boeing 737
6h 42m·1 stop
$932 USDSTLSep 5 06:00
→ATLSep 5 08:38
DL 1524Boeing 737
1h 17m layover
ATLSep 5 09:55
→SJUSep 5 13:42
DL 1882Airbus A321