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
Wednesday, September 30th, 2026
Outbound Flights
8h 27m·1 stop
$397 USD
STLSep 30 06:15
→IAHSep 30 08:27
UA 1371Boeing 737MAX 8 Passenger
1h 43m layover
IAHSep 30 10:10
→SJUSep 30 15:42
UA 1192Boeing 737MAX 9 Passenger
6h 57m·1 stop
$432 USD
STLSep 30 06:53
→CLTSep 30 09:50
AA 1515Airbus A321
1h 15m layover
CLTSep 30 11:05
→SJUSep 30 14:50
AA 783Airbus A321
6h 49m·1 stop
$478 USD
STLSep 30 14:30
→ATLSep 30 17:05
DL 566Boeing 737
1h 40m layover
ATLSep 30 18:45
→SJUSep 30 22:19
DL 1861Boeing 737
15h 14m·1 stop
$513 USDSTLSep 30 17:10
→MIASep 30 21:00
AA 3851Embraer 175
9h 45m layover·Overnight
MIAOct 1 06:45
→SJUOct 1 09:24
AA 3033Airbus A321
8h 28m·1 stop
$523 USDSTLSep 30 11:10
→IAHSep 30 13:25
UA 6213Embraer 175
1h 41m layover
IAHSep 30 15:06
→SJUSep 30 20:38
UA 701Boeing 737MAX 9 Passenger
7h 57m·1 stop
$633 USDSTLSep 30 05:00
→MIASep 30 08:44
AA 1716Boeing 737
2h 31m layover
MIASep 30 11:15
→SJUSep 30 13:57
AA 1613Airbus A321
6h 47m·1 stop
$698 USDSTLSep 30 06:00
→ATLSep 30 08:35
DL 1524Boeing 737
1h 32m layover
ATLSep 30 10:07
→SJUSep 30 13:47
DL 1882Airbus A321
8h 44m·1 stop
$1,116 USDSTLSep 30 07:05
→ATLSep 30 09:39
DL 1536Boeing 737
3h 39m layover
ATLSep 30 13:18
→SJUSep 30 16:49
DL 1946Boeing 737
7h 44m·1 stop
$1,346 USDSTLSep 30 06:00
→ORDSep 30 07:36
UA 4423Bombardier Regional Jet 550
1h 19m layover
ORDSep 30 08:55
→SJUSep 30 14:44
UA 1996Airbus A321neo