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 26th, 2026
Outbound Flights
8h 27m·1 stop
$373 USD
STLSep 26 06:15
→IAHSep 26 08:27
UA 1371Boeing 737MAX 8 Passenger
1h 43m layover
IAHSep 26 10:10
→SJUSep 26 15:42
UA 1192Boeing 737MAX 9 Passenger
8h 2m·1 stop
$417 USD
STLSep 26 05:43
→DFWSep 26 07:40
AA 2261Airbus A320
1h 6m layover
DFWSep 26 08:46
→SJUSep 26 14:45
AA 702Airbus A321
6h 57m·1 stop
$417 USDSTLSep 26 06:53
→CLTSep 26 09:50
AA 1515Airbus A321
1h 15m layover
CLTSep 26 11:05
→SJUSep 26 14:50
AA 783Airbus A321
15h 14m·1 stop
$417 USDSTLSep 26 17:10
→MIASep 26 21:00
AA 3851Embraer 175
9h 45m layover·Overnight
MIASep 27 06:45
→SJUSep 27 09:24
AA 3033Airbus A321
8h 44m·1 stop
$468 USD
STLSep 26 07:05
→ATLSep 26 09:39
DL 1536Boeing 737
3h 39m layover
ATLSep 26 13:18
→SJUSep 26 16:49
DL 1946Airbus A321
7h 54m·1 stop
$508 USDSTLSep 26 05:00
→MIASep 26 08:44
AA 1716Boeing 737
2h 28m layover
MIASep 26 11:12
→SJUSep 26 13:54
AA 1613Airbus A321
7h 44m·1 stop
$513 USDSTLSep 26 06:00
→ORDSep 26 07:36
UA 4423Bombardier Regional Jet 550
1h 19m layover
ORDSep 26 08:55
→SJUSep 26 14:44
UA 1996Airbus A321neo
6h 47m·1 stop
$693 USDSTLSep 26 06:00
→ATLSep 26 08:35
DL 1524Boeing 737
1h 32m layover
ATLSep 26 10:07
→SJUSep 26 13:47
DL 1882Airbus A321