St. Louis (STL) to San Juan (SJU) flight deal in business from $373

American AirlinesAAAmerican AirlinesDelta Air LinesDLDelta Air LinesUnited AirlinesUAUnited AirlinesSouthwest AirlinesWNSouthwest Airlines
One Way•Business Class
United StatesSTL

Lambert-Saint Louis International Airport

St. Louis, United States
Puerto RicoSJU

Luis Muñoz Marín International Airport

San Juan, Puerto Rico
$469 USD
-20%$373 USD
Verified 15 days ago
Rare Availability
9% of dates checked are available within 10% of the lowest price

Saturday, August 22nd, 2026

Outbound Flights

7h 44m·1 stop
$396 USD
United Airlines
STLAug 22 06:00
→
ORDAug 22 07:33
UA 4423Bombardier Regional Jet 550
1h 22m layover
United Airlines
ORDAug 22 08:55
→
SJUAug 22 14:44
UA 1996Airbus A321neo
6h 57m·1 stop
$417 USD
American Airlines
STLAug 22 06:54
→
CLTAug 22 09:49
AA 712Boeing 737
1h 16m layover
American Airlines
CLTAug 22 11:05
→
SJUAug 22 14:51
AA 783Airbus A321
8h 38m·1 stop
$417 USD
American Airlines
STLAug 22 05:00
→
MIAAug 22 08:53
AA 1716Boeing 737
2h 52m layover
American Airlines
MIAAug 22 11:45
→
SJUAug 22 14:38
AA 1341Airbus A321
9h 20m·1 stop
$417 USD
American Airlines
STLAug 22 11:35
→
MIAAug 22 15:29
AA 477Boeing 737MAX 8 Passenger
3h 42m layover
American Airlines
MIAAug 22 19:11
→
SJUAug 22 21:55
AA 1689Boeing 737
8h 49m·1 stop
$417 USD
American Airlines
STLAug 22 13:54
→
CLTAug 22 16:49
AA 3096Boeing 737
3h 11m layover
American Airlines
CLTAug 22 20:00
→
SJUAug 22 23:43
AA 2830Airbus A321
8h 25m·1 stop
$468 USD
Delta Air Lines
STLAug 22 13:04
→
ATLAug 22 15:49
DL 566Boeing 737
2h 56m layover
Delta Air Lines
ATLAug 22 18:45
→
SJUAug 22 22:29
DL 1861Boeing 737
6h 40m·1 stop
$508 USD
American Airlines
STLAug 22 05:00
→
MIAAug 22 08:53
AA 1716Boeing 737
1h 2m layover
American Airlines
MIAAug 22 09:55
→
SJUAug 22 12:40
AA 1613Boeing 737
10h 30m·2 stops
$548 USD
American Airlines
STLAug 22 07:00
→
DCAAug 22 10:13
AA 5015Canadair RJ 700
1h 41m layover
American Airlines
DCAAug 22 11:54
→
MIAAug 22 14:36
AA 1627Boeing 737
1h 4m layover
American Airlines
MIAAug 22 15:40
→
SJUAug 22 18:30
AA 1852Airbus A321
8h 29m·1 stop
$618 USD
American Airlines
STLAug 22 13:25
→
ORDAug 22 15:01
AA 6355Canadair RJ 700
1h 58m layover
American Airlines
ORDAug 22 16:59
→
SJUAug 22 22:54
AA 1865Boeing 737
8h 38m·1 stop
$932 USD
Delta Air Lines
STLAug 22 07:00
→
ATLAug 22 09:37
DL 1536Boeing 737
3h 23m layover
Delta Air Lines
ATLAug 22 13:00
→
SJUAug 22 16:38
DL 1946Boeing 737
6h 42m·1 stop
$1,346 USD
Delta Air Lines
STLAug 22 06:00
→
ATLAug 22 08:38
DL 1524Boeing 737
1h 17m layover
Delta Air Lines
ATLAug 22 09:55
→
SJUAug 22 13:42
DL 1882Airbus A321
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