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 14 days agoAugust 2026
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Rare Availability
9% of dates checked are available within 10% of the lowest price
Monday, August 10th, 2026
Outbound Flights
9h 59m·1 stop
$338 USD
STLAug 10 18:30
→IAHAug 10 20:50
UA 6284Embraer 175
3h 6m layover
IAHAug 10 23:56
→SJUAug 11 05:29
UA 1497Boeing 737MAX 9 Passenger
10h 27m·1 stop
$413 USDSTLAug 10 12:23
→EWRAug 10 16:00
UA 3573Embraer 175
3h 45m layover
EWRAug 10 19:45
→SJUAug 10 23:50
UA 1543Boeing 737MAX 9 Passenger
8h 12m·1 stop
$417 USD
STLAug 10 05:42
→DFWAug 10 07:40
AA 2261Airbus A320
1h 15m layover
DFWAug 10 08:55
→SJUAug 10 14:54
AA 702Airbus A321neo
7h 34m·1 stop
$417 USDSTLAug 10 15:25
→CLTAug 10 18:22
AA 831Boeing 737
1h 54m layover
CLTAug 10 20:16
→SJUAug 10 23:59
AA 2830Airbus A321
8h 37m·1 stop
$468 USD
STLAug 10 12:52
→ATLAug 10 15:33
DL 566Boeing 737
3h 12m layover
ATLAug 10 18:45
→SJUAug 10 22:29
DL 1861Boeing 737
8h 38m·1 stop
$498 USDSTLAug 10 05:00
→MIAAug 10 08:53
AA 1716Boeing 737
2h 52m layover
MIAAug 10 11:45
→SJUAug 10 14:38
AA 1341Airbus A321
6h 57m·1 stop
$498 USDSTLAug 10 06:54
→CLTAug 10 09:49
AA 712Boeing 737
1h 16m layover
CLTAug 10 11:05
→SJUAug 10 14:51
AA 783Airbus A321
6h 42m·1 stop
$520 USDSTLAug 10 06:00
→ATLAug 10 08:38
DL 1524Boeing 737
1h 17m layover
ATLAug 10 09:55
→SJUAug 10 13:42
DL 1882Airbus A321
7h 29m·1 stop
$523 USDSTLAug 10 12:55
→IADAug 10 16:07
UA 4454Bombardier Regional Jet 550
1h 17m layover
IADAug 10 17:24
→SJUAug 10 21:24
UA 2025Boeing 737MAX 9 Passenger
6h 40m·1 stop
$548 USDSTLAug 10 05:00
→MIAAug 10 08:53
AA 1716Boeing 737
1h 2m layover
MIAAug 10 09:55
→SJUAug 10 12:40
AA 1613Boeing 737
6h 23m·1 stop
$1,106 USDSTLAug 10 09:15
→ATLAug 10 11:53
DL 1571Boeing 737
1h 7m layover
ATLAug 10 13:00
→SJUAug 10 16:38
DL 1946Boeing 737