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
Monday, September 7th, 2026
Outbound Flights
6h 40m·1 stop
$442 USD
STLSep 7 05:00
→MIASep 7 08:53
AA 1716Boeing 737
1h 2m layover
MIASep 7 09:55
→SJUSep 7 12:40
AA 1613Boeing 737
6h 57m·1 stop
$442 USDSTLSep 7 06:54
→CLTSep 7 09:49
AA 712Boeing 737
1h 16m layover
CLTSep 7 11:05
→SJUSep 7 14:51
AA 783Airbus A321
9h 20m·1 stop
$442 USDSTLSep 7 11:35
→MIASep 7 15:29
AA 477Boeing 737MAX 8 Passenger
3h 42m layover
MIASep 7 19:11
→SJUSep 7 21:55
AA 1689Boeing 737
19h 56m·2 stops
$442 USDSTLSep 7 17:42
→PHLSep 7 21:03
AA 3049Airbus A319
47m layover
PHLSep 7 21:50
→MIASep 8 00:48
AA 2936Airbus A321
10h 57m layover
MIASep 8 11:45
→SJUSep 8 14:38
AA 1341Airbus A321
7h 44m·1 stop
$523 USD
STLSep 7 06:00
→ORDSep 7 07:33
UA 4423Bombardier Regional Jet 550
1h 22m layover
ORDSep 7 08:55
→SJUSep 7 14:44
UA 1996Airbus A321neo
8h 27m·1 stop
$560 USDSTLSep 7 06:15
→IAHSep 7 08:32
UA 6258Embraer 175
1h 38m layover
IAHSep 7 10:10
→SJUSep 7 15:42
UA 1192Boeing 737MAX 9 Passenger
8h 38m·1 stop
$578 USD
STLSep 7 07:00
→ATLSep 7 09:37
DL 1536Boeing 737
3h 23m layover
ATLSep 7 13:00
→SJUSep 7 16:38
DL 1946Boeing 737
8h 23m·1 stop
$624 USDSTLSep 7 11:15
→IAHSep 7 13:32
UA 5566Embraer 175
1h 34m layover
IAHSep 7 15:06
→SJUSep 7 20:38
UA 701Boeing 737MAX 9 Passenger
7h 34m·1 stop
$643 USDSTLSep 7 15:25
→CLTSep 7 18:22
AA 831Boeing 737
1h 54m layover
CLTSep 7 20:16
→SJUSep 7 23:59
AA 2830Airbus A321
6h 42m·1 stop
$688 USDSTLSep 7 06:00
→ATLSep 7 08:38
DL 1524Boeing 737
1h 17m layover
ATLSep 7 09:55
→SJUSep 7 13:42
DL 1882Airbus A321