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 28th, 2026
Outbound Flights
7h 57m·1 stop
$417 USD
STLSep 28 05:00
→MIASep 28 08:44
AA 1716Boeing 737
2h 31m layover
MIASep 28 11:15
→SJUSep 28 13:57
AA 1613Airbus A321
6h 57m·1 stop
$417 USDSTLSep 28 06:53
→CLTSep 28 09:50
AA 1515Boeing 737
1h 15m layover
CLTSep 28 11:05
→SJUSep 28 14:50
AA 783Airbus A321
16h 15m·2 stops
$417 USDSTLSep 28 17:45
→PHLSep 28 21:07
AA 3049Airbus A319
56m layover
PHLSep 28 22:03
→MIASep 29 00:59
AA 2936Airbus A321
7h 21m layover
MIASep 29 08:20
→SJUSep 29 11:00
AA 1341Boeing 737
8h 28m·1 stop
$523 USD
STLSep 28 11:10
→IAHSep 28 13:25
UA 6213Embraer 175
1h 41m layover
IAHSep 28 15:06
→SJUSep 28 20:38
UA 701Boeing 737MAX 9 Passenger
6h 49m·1 stop
$688 USD
STLSep 28 14:30
→ATLSep 28 17:05
DL 566Boeing 737
1h 40m layover
ATLSep 28 18:45
→SJUSep 28 22:19
DL 1861Boeing 737
8h 44m·1 stop
$688 USDSTLSep 28 07:05
→ATLSep 28 09:39
DL 1536Boeing 737
3h 39m layover
ATLSep 28 13:18
→SJUSep 28 16:49
DL 1946Boeing 737
7h 44m·1 stop
$703 USDSTLSep 28 06:00
→ORDSep 28 07:36
UA 4423Bombardier Regional Jet 550
1h 19m layover
ORDSep 28 08:55
→SJUSep 28 14:44
UA 1996Airbus A321neo
8h 2m·1 stop
$798 USDSTLSep 28 05:43
→DFWSep 28 07:40
AA 2261Airbus A320
1h 6m layover
DFWSep 28 08:46
→SJUSep 28 14:45
AA 702Airbus A321
6h 47m·1 stop
$1,106 USDSTLSep 28 06:00
→ATLSep 28 08:35
DL 1524Boeing 737
1h 32m layover
ATLSep 28 10:07
→SJUSep 28 13:47
DL 1882Airbus A321