St. Louis (STL) to San Juan (SJU) flight deal in business from $373
Lambert-Saint Louis International Airport
St. Louis, United States
Luis 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 25th, 2026
Outbound Flights
8h 27m·1 stop
$373 USD
STLAug 25 06:15
→IAHAug 25 08:32
UA 6258Embraer 175
1h 38m layover

IAHAug 25 10:10
→SJUAug 25 15:42
UA 1192Boeing 737MAX 9 Passenger
8h 23m·1 stop
$373 USD
STLAug 25 11:15
→IAHAug 25 13:32
UA 5566Embraer 175
1h 34m layover

IAHAug 25 15:06
→SJUAug 25 20:38
UA 701Boeing 737MAX 9 Passenger
10h 23m·1 stop
$373 USD
STLAug 25 12:27
→EWRAug 25 15:59
UA 560Airbus A319
3h 48m layover

EWRAug 25 19:47
→SJUAug 25 23:50
UA 1543Boeing 737MAX 9 Passenger
6h 40m·1 stop
$417 USD
STLAug 25 05:00
→MIAAug 25 08:53
AA 1716Boeing 737
1h 2m layover

MIAAug 25 09:55
→SJUAug 25 12:40
AA 1613Boeing 737
6h 57m·1 stop
$417 USD
STLAug 25 06:54
→CLTAug 25 09:49
AA 712Boeing 737
1h 16m layover

CLTAug 25 11:05
→SJUAug 25 14:51
AA 783Airbus A321
9h 20m·1 stop
$417 USD
STLAug 25 11:35
→MIAAug 25 15:29
AA 477Airbus A319
3h 42m layover

MIAAug 25 19:11
→SJUAug 25 21:55
AA 1689Boeing 737
7h 34m·1 stop
$417 USD
STLAug 25 15:25
→CLTAug 25 18:22
AA 831Boeing 737
1h 54m layover

CLTAug 25 20:16
→SJUAug 25 23:59
AA 2830Airbus A321
6h 42m·1 stop
$468 USD
STLAug 25 06:00
→ATLAug 25 08:38
DL 1524Boeing 737
1h 17m layover

ATLAug 25 09:55
→SJUAug 25 13:42
DL 1882Airbus A321
6h 23m·1 stop
$468 USD
STLAug 25 09:15
→ATLAug 25 11:53
DL 1571Boeing 737
1h 7m layover

ATLAug 25 13:00
→SJUAug 25 16:38
DL 1946Boeing 737
8h 37m·1 stop
$468 USD
STLAug 25 12:52
→ATLAug 25 15:33
DL 566Boeing 737
3h 12m layover

ATLAug 25 18:45
→SJUAug 25 22:29
DL 1861Boeing 737
8h 50m·1 stop
$508 USD
STLAug 25 13:25
→ORDAug 25 15:01
AA 6355Canadair RJ 700
2h 19m layover

ORDAug 25 17:20
→SJUAug 25 23:15
AA 1865Boeing 737
