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 15 days agoSeptember 2026
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Rare Availability
9% of dates checked are available within 10% of the lowest price
Friday, September 4th, 2026
Outbound Flights
15h 24m·1 stop
$417 USD
STLSep 4 06:00
→PHLSep 4 09:22
AA 1308Airbus A319
8h 53m layover
PHLSep 4 18:15
→SJUSep 4 22:24
AA 2433Boeing 737
14h 25m·1 stop
$417 USDSTLSep 4 08:34
→CLTSep 4 11:29
AA 2497Boeing 737
8h 47m layover
CLTSep 4 20:16
→SJUSep 4 23:59
AA 2830Airbus A321
15h 1m·2 stops
$417 USDSTLSep 4 17:42
→PHLSep 4 21:03
AA 3049Airbus A319
47m layover
PHLSep 4 21:50
→MIASep 5 00:48
AA 2936Airbus A321
6h 12m layover
MIASep 5 07:00
→SJUSep 5 09:43
AA 1780Airbus A321
7h 34m·1 stop
$508 USDSTLSep 4 15:25
→CLTSep 4 18:22
AA 831Boeing 737
1h 54m layover
CLTSep 4 20:16
→SJUSep 4 23:59
AA 2830Airbus A321
10h 11m·1 stop
$508 USDSTLSep 4 05:00
→MIASep 4 08:53
AA 1716Boeing 737
4h 32m layover
MIASep 4 13:25
→SJUSep 4 16:11
AA 967Boeing 737
9h 20m·1 stop
$548 USDSTLSep 4 11:35
→MIASep 4 15:29
AA 477Boeing 737MAX 8 Passenger
3h 42m layover
MIASep 4 19:11
→SJUSep 4 21:55
AA 1689Boeing 737
6h 40m·1 stop
$618 USDSTLSep 4 05:00
→MIASep 4 08:53
AA 1716Boeing 737
1h 2m layover
MIASep 4 09:55
→SJUSep 4 12:40
AA 1613Boeing 737
6h 57m·1 stop
$618 USDSTLSep 4 06:54
→CLTSep 4 09:49
AA 712Boeing 737
1h 16m layover
CLTSep 4 11:05
→SJUSep 4 14:51
AA 783Airbus A321
10h 23m·1 stop
$688 USD
STLSep 4 12:27
→EWRSep 4 15:59
UA 560Airbus A319
3h 48m layover
EWRSep 4 19:47
→SJUSep 4 23:50
UA 1543Boeing 737MAX 9 Passenger
7h 44m·1 stop
$708 USDSTLSep 4 06:00
→ORDSep 4 07:33
UA 4423Bombardier Regional Jet 550
1h 22m layover
ORDSep 4 08:55
→SJUSep 4 14:44
UA 1996Airbus A321neo
8h 27m·1 stop
$708 USDSTLSep 4 06:15
→IAHSep 4 08:32
UA 6258Embraer 175
1h 38m layover
IAHSep 4 10:10
→SJUSep 4 15:42
UA 1192Boeing 737MAX 9 Passenger
8h 23m·1 stop
$708 USDSTLSep 4 11:15
→IAHSep 4 13:32
UA 5566Embraer 175
1h 34m layover
IAHSep 4 15:06
→SJUSep 4 20:38
UA 701Boeing 737MAX 9 Passenger
8h 50m·1 stop
$773 USDSTLSep 4 13:25
→ORDSep 4 15:01
AA 6355Canadair RJ 700
2h 19m layover
ORDSep 4 17:20
→SJUSep 4 23:15
AA 1865Boeing 737
6h 42m·1 stop
$932 USD
STLSep 4 06:00
→ATLSep 4 08:38
DL 1524Boeing 737
1h 17m layover
ATLSep 4 09:55
→SJUSep 4 13:42
DL 1882Airbus A321
8h 38m·1 stop
$932 USDSTLSep 4 07:00
→ATLSep 4 09:37
DL 1536Boeing 737
3h 23m layover
ATLSep 4 13:00
→SJUSep 4 16:38
DL 1946Boeing 737
8h 37m·1 stop
$932 USDSTLSep 4 12:52
→ATLSep 4 15:33
DL 566Boeing 737
3h 12m layover
ATLSep 4 18:45
→SJUSep 4 22:29
DL 1861Boeing 737