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
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Rare Availability
9% of dates checked are available within 10% of the lowest price
Tuesday, August 18th, 2026
Outbound Flights
8h 38m·1 stop
$417 USD
STLAug 18 05:00
→MIAAug 18 08:53
AA 1716Boeing 737
2h 52m layover
MIAAug 18 11:45
→SJUAug 18 14:38
AA 1341Airbus A321
6h 57m·1 stop
$417 USDSTLAug 18 06:54
→CLTAug 18 09:49
AA 712Boeing 737
1h 16m layover
CLTAug 18 11:05
→SJUAug 18 14:51
AA 783Airbus A321
7h 34m·1 stop
$417 USDSTLAug 18 15:25
→CLTAug 18 18:22
AA 831Boeing 737
1h 54m layover
CLTAug 18 20:16
→SJUAug 18 23:59
AA 2830Airbus A321
9h 20m·1 stop
$417 USDSTLAug 18 11:35
→MIAAug 18 15:29
AA 477Airbus A319
3h 42m layover
MIAAug 18 19:11
→SJUAug 18 21:55
AA 1689Boeing 737
8h 37m·1 stop
$468 USD
STLAug 18 12:52
→ATLAug 18 15:33
DL 566Boeing 737
3h 12m layover
ATLAug 18 18:45
→SJUAug 18 22:29
DL 1861Boeing 737
8h 27m·1 stop
$523 USD
STLAug 18 06:15
→IAHAug 18 08:32
UA 6258Embraer 175
1h 38m layover
IAHAug 18 10:10
→SJUAug 18 15:42
UA 1192Boeing 737MAX 9 Passenger
6h 40m·1 stop
$618 USDSTLAug 18 05:00
→MIAAug 18 08:53
AA 1716Boeing 737
1h 2m layover
MIAAug 18 09:55
→SJUAug 18 12:40
AA 1613Boeing 737
8h 23m·1 stop
$618 USDSTLAug 18 11:15
→IAHAug 18 13:32
UA 5566Embraer 175
1h 34m layover
IAHAug 18 15:06
→SJUAug 18 20:38
UA 701Boeing 737MAX 9 Passenger
8h 50m·1 stop
$618 USDSTLAug 18 13:25
→ORDAug 18 15:01
AA 6355Canadair RJ 700
2h 19m layover
ORDAug 18 17:20
→SJUAug 18 23:15
AA 1865Boeing 737
6h 42m·1 stop
$932 USDSTLAug 18 06:00
→ATLAug 18 08:38
DL 1524Boeing 737
1h 17m layover
ATLAug 18 09:55
→SJUAug 18 13:42
DL 1882Airbus A321
6h 23m·1 stop
$932 USDSTLAug 18 09:15
→ATLAug 18 11:53
DL 1571Boeing 737
1h 7m layover
ATLAug 18 13:00
→SJUAug 18 16:38
DL 1946Boeing 737