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 16th, 2026
Outbound Flights
6h 40m·1 stop
$417 USD
STLAug 16 05:00
→MIAAug 16 08:53
AA 1716Boeing 737
1h 2m layover
MIAAug 16 09:55
→SJUAug 16 12:40
AA 1613Boeing 737
9h 20m·1 stop
$417 USDSTLAug 16 11:35
→MIAAug 16 15:29
AA 477Boeing 737MAX 8 Passenger
3h 42m layover
MIAAug 16 19:11
→SJUAug 16 21:55
AA 1689Boeing 737
15h 1m·2 stops
$417 USDSTLAug 16 17:42
→PHLAug 16 21:03
AA 3049Airbus A319
47m layover
PHLAug 16 21:50
→MIAAug 17 00:48
AA 2936Airbus A321
6h 12m layover
MIAAug 17 07:00
→SJUAug 17 09:43
AA 1780Airbus A321
10h 34m·1 stop
$508 USDSTLAug 16 12:41
→CLTAug 16 15:36
AA 3096Airbus A320
4h 54m layover
CLTAug 16 20:30
→SJUAug 17 00:15
AA 2830Airbus A321
7h 44m·1 stop
$523 USD
STLAug 16 06:00
→ORDAug 16 07:33
UA 4423Bombardier Regional Jet 550
1h 22m layover
ORDAug 16 08:55
→SJUAug 16 14:44
UA 1996Airbus A321neo
6h 42m·1 stop
$578 USD
STLAug 16 06:00
→ATLAug 16 08:38
DL 1524Boeing 737
1h 17m layover
ATLAug 16 09:55
→SJUAug 16 13:42
DL 1882Airbus A321
8h 38m·1 stop
$578 USDSTLAug 16 07:00
→ATLAug 16 09:37
DL 1536Boeing 737
3h 23m layover
ATLAug 16 13:00
→SJUAug 16 16:38
DL 1946Boeing 737
8h 12m·1 stop
$588 USDSTLAug 16 05:42
→DFWAug 16 07:40
AA 2261Airbus A320
1h 15m layover
DFWAug 16 08:55
→SJUAug 16 14:54
AA 702Airbus A321neo
8h 30m·1 stop
$618 USDSTLAug 16 05:23
→CLTAug 16 08:17
AA 1515Boeing 737
2h 48m layover
CLTAug 16 11:05
→SJUAug 16 14:53
AA 783Airbus A321
10h 23m·1 stop
$708 USDSTLAug 16 12:27
→EWRAug 16 15:58
UA 560Boeing 737MAX 9 Passenger
3h 49m layover
EWRAug 16 19:47
→SJUAug 16 23:50
UA 1543Boeing 737MAX 9 Passenger
6h 18m·1 stop
$803 USDSTLAug 16 07:35
→CLTAug 16 10:30
AA 712Boeing 737
35m layover
CLTAug 16 11:05
→SJUAug 16 14:53
AA 783Airbus A321
8h 50m·1 stop
$803 USDSTLAug 16 13:25
→ORDAug 16 15:01
AA 6355Canadair RJ 700
2h 19m layover
ORDAug 16 17:20
→SJUAug 16 23:15
AA 1865Boeing 737
6h 23m·1 stop
$932 USDSTLAug 16 09:15
→ATLAug 16 11:53
DL 1571Boeing 717
1h 7m layover
ATLAug 16 13:00
→SJUAug 16 16:38
DL 1946Boeing 737