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 agoAugust 2026
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Rare Availability
9% of dates checked are available within 10% of the lowest price
Sunday, August 23rd, 2026
Outbound Flights
6h 40m·1 stop
$417 USD
STLAug 23 05:00
→MIAAug 23 08:53
AA 1716Boeing 737
1h 2m layover
MIAAug 23 09:55
→SJUAug 23 12:40
AA 1613Boeing 737
9h 20m·1 stop
$417 USDSTLAug 23 11:35
→MIAAug 23 15:29
AA 477Boeing 737MAX 8 Passenger
3h 42m layover
MIAAug 23 19:11
→SJUAug 23 21:55
AA 1689Boeing 737
8h 38m·1 stop
$468 USD
STLAug 23 07:00
→ATLAug 23 09:37
DL 1536Boeing 737
3h 23m layover
ATLAug 23 13:00
→SJUAug 23 16:38
DL 1946Boeing 737
10h 23m·1 stop
$496 USD
STLAug 23 12:27
→EWRAug 23 15:58
UA 560Boeing 737MAX 9 Passenger
3h 49m layover
EWRAug 23 19:47
→SJUAug 23 23:50
UA 1543Boeing 737MAX 9 Passenger
8h 50m·1 stop
$508 USDSTLAug 23 13:25
→ORDAug 23 15:01
AA 6355Canadair RJ 700
2h 19m layover
ORDAug 23 17:20
→SJUAug 23 23:15
AA 1865Boeing 737
7h 44m·1 stop
$523 USDSTLAug 23 06:00
→ORDAug 23 07:33
UA 4423Bombardier Regional Jet 550
1h 22m layover
ORDAug 23 08:55
→SJUAug 23 14:44
UA 1996Airbus A321neo
6h 23m·1 stop
$578 USDSTLAug 23 09:15
→ATLAug 23 11:53
DL 1571Boeing 737
1h 7m layover
ATLAug 23 13:00
→SJUAug 23 16:38
DL 1946Boeing 737
6h 42m·1 stop
$578 USDSTLAug 23 06:00
→ATLAug 23 08:38
DL 1524Boeing 737
1h 17m layover
ATLAug 23 09:55
→SJUAug 23 13:42
DL 1882Airbus A321
6h 18m·1 stop
$618 USDSTLAug 23 07:35
→CLTAug 23 10:30
AA 712Boeing 737
35m layover
CLTAug 23 11:05
→SJUAug 23 14:53
AA 783Airbus A321
8h 37m·1 stop
$932 USDSTLAug 23 12:52
→ATLAug 23 15:33
DL 566Boeing 737
3h 12m layover
ATLAug 23 18:45
→SJUAug 23 22:29
DL 1861Boeing 737