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
Sunday, September 6th, 2026
Outbound Flights
8h 23m·1 stop
$373 USD
STLSep 6 11:15
→IAHSep 6 13:32
UA 6213Embraer 175
1h 34m layover
IAHSep 6 15:06
→SJUSep 6 20:38
UA 701Boeing 737MAX 9 Passenger
6h 40m·1 stop
$417 USD
STLSep 6 05:00
→MIASep 6 08:53
AA 1716Boeing 737
1h 2m layover
MIASep 6 09:55
→SJUSep 6 12:40
AA 1613Boeing 737
9h 20m·1 stop
$417 USDSTLSep 6 11:35
→MIASep 6 15:29
AA 477Boeing 737MAX 8 Passenger
3h 42m layover
MIASep 6 19:11
→SJUSep 6 21:55
AA 1689Boeing 737
6h 42m·1 stop
$468 USD
STLSep 6 06:00
→ATLSep 6 08:38
DL 1524Boeing 737
1h 17m layover
ATLSep 6 09:55
→SJUSep 6 13:42
DL 1882Airbus A321
7h 44m·1 stop
$496 USDSTLSep 6 06:00
→ORDSep 6 07:33
UA 4423Bombardier Regional Jet 550
1h 22m layover
ORDSep 6 08:55
→SJUSep 6 14:44
UA 1996Airbus A321neo
10h 20m·1 stop
$496 USDSTLSep 6 12:30
→EWRSep 6 16:01
UA 560Boeing 737MAX 9 Passenger
3h 46m layover
EWRSep 6 19:47
→SJUSep 6 23:50
UA 1543Boeing 737MAX 9 Passenger
6h 18m·1 stop
$508 USDSTLSep 6 07:35
→CLTSep 6 10:30
AA 712Boeing 737
35m layover
CLTSep 6 11:05
→SJUSep 6 14:53
AA 783Airbus A321
8h 50m·1 stop
$508 USDSTLSep 6 13:25
→ORDSep 6 15:01
AA 6355Canadair RJ 700
2h 19m layover
ORDSep 6 17:20
→SJUSep 6 23:15
AA 1865Boeing 737
8h 38m·1 stop
$932 USDSTLSep 6 07:00
→ATLSep 6 09:37
DL 1536Boeing 737
3h 23m layover
ATLSep 6 13:00
→SJUSep 6 16:38
DL 1946Boeing 737
8h 25m·1 stop
$932 USDSTLSep 6 13:04
→ATLSep 6 15:49
DL 566Boeing 737
2h 56m layover
ATLSep 6 18:45
→SJUSep 6 22:29
DL 1861Boeing 737
27h 21m·1 stop
$10,666 USDSTLSep 6 18:54
→ORDSep 6 20:30
UA 4616Bombardier Regional Jet 550
20h 50m layover·Overnight
ORDSep 7 17:20
→SJUSep 7 23:15
AA 1865Boeing 737