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
Thursday, September 24th, 2026
Outbound Flights
7h 54m·1 stop
$417 USD
STLSep 24 05:00
→MIASep 24 08:44
AA 1716Boeing 737
2h 28m layover
MIASep 24 11:12
→SJUSep 24 13:54
AA 1613Airbus A321
6h 57m·1 stop
$417 USDSTLSep 24 06:53
→CLTSep 24 09:50
AA 1515Airbus A321
1h 15m layover
CLTSep 24 11:05
→SJUSep 24 14:50
AA 783Airbus A321
14h 39m·2 stops
$417 USDSTLSep 24 17:45
→PHLSep 24 21:07
AA 3049Airbus A319
56m layover
PHLSep 24 22:03
→MIASep 25 00:59
AA 2936Airbus A321
5h 46m layover
MIASep 25 06:45
→SJUSep 25 09:24
AA 3033Airbus A321
6h 47m·1 stop
$520 USD
STLSep 24 06:00
→ATLSep 24 08:35
DL 1524Boeing 737
1h 32m layover
ATLSep 24 10:07
→SJUSep 24 13:47
DL 1882Airbus A321
7h 44m·1 stop
$618 USD
STLSep 24 06:00
→ORDSep 24 07:36
UA 4423Bombardier Regional Jet 550
1h 19m layover
ORDSep 24 08:55
→SJUSep 24 14:44
UA 1996Airbus A321neo
8h 28m·1 stop
$649 USDSTLSep 24 11:10
→IAHSep 24 13:25
UA 6213Embraer 175
1h 41m layover
IAHSep 24 15:06
→SJUSep 24 20:38
UA 701Boeing 737MAX 9 Passenger
8h 44m·1 stop
$693 USDSTLSep 24 07:05
→ATLSep 24 09:39
DL 1536Boeing 737
3h 39m layover
ATLSep 24 13:18
→SJUSep 24 16:49
DL 1946Boeing 737
6h 49m·1 stop
$693 USDSTLSep 24 14:30
→ATLSep 24 17:05
DL 566Boeing 737
1h 40m layover
ATLSep 24 18:45
→SJUSep 24 22:19
DL 1861Boeing 737