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
Mon
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Rare Availability
9% of dates checked are available within 10% of the lowest price
Sunday, September 27th, 2026
Outbound Flights
18h 11m·2 stops
$423 USD
STLSep 27 18:43
→DFWSep 27 20:45
AA 2761Airbus A319
9h 15m layover·Overnight
DFWSep 28 06:00
→MIASep 28 09:58
AA 3055Airbus A321
1h 14m layover
MIASep 28 11:12
→SJUSep 28 13:54
AA 1613Airbus A321
8h 44m·1 stop
$468 USD
STLSep 27 07:05
→ATLSep 27 09:39
DL 1536Boeing 737
3h 39m layover
ATLSep 27 13:18
→SJUSep 27 16:49
DL 1946Boeing 737
7h 54m·1 stop
$498 USDSTLSep 27 05:00
→MIASep 27 08:44
AA 1716Boeing 737
2h 28m layover
MIASep 27 11:12
→SJUSep 27 13:54
AA 1613Airbus A321
8h 52m·1 stop
$498 USDSTLSep 27 05:15
→CLTSep 27 08:12
AA 1515Airbus A321
3h 8m layover
CLTSep 27 11:20
→SJUSep 27 15:07
AA 783Airbus A321
8h 27m·1 stop
$618 USD
STLSep 27 06:15
→IAHSep 27 08:27
UA 1371Boeing 737MAX 8 Passenger
1h 43m layover
IAHSep 27 10:10
→SJUSep 27 15:42
UA 1192Boeing 737MAX 9 Passenger
6h 39m·1 stop
$618 USDSTLSep 27 07:28
→CLTSep 27 10:25
AA 712Boeing 737
55m layover
CLTSep 27 11:20
→SJUSep 27 15:07
AA 783Airbus A321
10h 30m·1 stop
$688 USDSTLSep 27 12:20
→EWRSep 27 15:47
UA 560Airbus A319
4h layover
EWRSep 27 19:47
→SJUSep 27 23:50
UA 1543Boeing 737MAX 9 Passenger
6h 47m·1 stop
$703 USDSTLSep 27 06:00
→ATLSep 27 08:35
DL 1524Boeing 737
1h 32m layover
ATLSep 27 10:07
→SJUSep 27 13:47
DL 1882Airbus A321
7h 44m·1 stop
$708 USDSTLSep 27 06:00
→ORDSep 27 07:36
UA 4423Bombardier Regional Jet 550
1h 19m layover
ORDSep 27 08:55
→SJUSep 27 14:44
UA 1996Airbus A321neo