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

Monday, August 24th, 2026

Outbound Flights

6h 40m·1 stop
$417 USD
American Airlines
STLAug 24 05:00
→
MIAAug 24 08:53
AA 1716Boeing 737
1h 2m layover
American Airlines
MIAAug 24 09:55
→
SJUAug 24 12:40
AA 1613Boeing 737
7h 34m·1 stop
$417 USD
American Airlines
STLAug 24 15:25
→
CLTAug 24 18:22
AA 831Boeing 737
1h 54m layover
American Airlines
CLTAug 24 20:16
→
SJUAug 24 23:59
AA 2830Airbus A321
9h 20m·1 stop
$417 USD
American Airlines
STLAug 24 11:35
→
MIAAug 24 15:29
AA 477Boeing 737MAX 8 Passenger
3h 42m layover
American Airlines
MIAAug 24 19:11
→
SJUAug 24 21:55
AA 1689Boeing 737
15h 1m·2 stops
$417 USD
American Airlines
STLAug 24 17:42
→
PHLAug 24 21:03
AA 3049Airbus A319
47m layover
American Airlines
PHLAug 24 21:50
→
MIAAug 25 00:48
AA 2936Airbus A321
6h 12m layover
American Airlines
MIAAug 25 07:00
→
SJUAug 25 09:43
AA 1780Airbus A321
6h 57m·1 stop
$508 USD
American Airlines
STLAug 24 06:54
→
CLTAug 24 09:49
AA 712Boeing 737
1h 16m layover
American Airlines
CLTAug 24 11:05
→
SJUAug 24 14:51
AA 783Airbus A321
10h 23m·1 stop
$523 USD
United Airlines
STLAug 24 12:27
→
EWRAug 24 15:59
UA 560Airbus A319
3h 48m layover
United Airlines
EWRAug 24 19:47
→
SJUAug 24 23:50
UA 1543Boeing 737MAX 9 Passenger
9h 38m·1 stop
$578 USD
Delta Air Lines
STLAug 24 06:00
→
ATLAug 24 08:38
DL 1524Boeing 737
4h 22m layover
Delta Air Lines
ATLAug 24 13:00
→
SJUAug 24 16:38
DL 1946Boeing 737
8h 23m·1 stop
$618 USD
United Airlines
STLAug 24 11:15
→
IAHAug 24 13:32
UA 5566Embraer 175
1h 34m layover
United Airlines
IAHAug 24 15:06
→
SJUAug 24 20:38
UA 701Boeing 737MAX 9 Passenger
8h 50m·1 stop
$618 USD
American Airlines
STLAug 24 13:25
→
ORDAug 24 15:01
AA 6355Canadair RJ 700
2h 19m layover
American Airlines
ORDAug 24 17:20
→
SJUAug 24 23:15
AA 1865Boeing 737
6h 42m·1 stop
$678 USD
Delta Air Lines
STLAug 24 06:00
→
ATLAug 24 08:38
DL 1524Boeing 737
1h 17m layover
Delta Air Lines
ATLAug 24 09:55
→
SJUAug 24 13:42
DL 1882Airbus A321
6h 23m·1 stop
$932 USD
Delta Air Lines
STLAug 24 09:15
→
ATLAug 24 11:53
DL 1571Boeing 737
1h 7m layover
Delta Air Lines
ATLAug 24 13:00
→
SJUAug 24 16:38
DL 1946Boeing 737
8h 37m·1 stop
$932 USD
Delta Air Lines
STLAug 24 12:52
→
ATLAug 24 15:33
DL 566Boeing 737
3h 12m layover
Delta Air Lines
ATLAug 24 18:45
→
SJUAug 24 22:29
DL 1861Boeing 737
7h 44m·1 stop
$1,346 USD
United Airlines
STLAug 24 06:00
→
ORDAug 24 07:33
UA 4423Bombardier Regional Jet 550
1h 22m layover
United Airlines
ORDAug 24 08:55
→
SJUAug 24 14:44
UA 1996Airbus A321neo
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