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

Friday, August 7th, 2026

Outbound Flights

16h 15m·1 stop
$417 USD
American Airlines
STLAug 7 06:00
→
ORDAug 7 07:34
AA 1926Airbus A319
9h 46m layover
American Airlines
ORDAug 7 17:20
→
SJUAug 7 23:15
AA 1865Boeing 737
9h 59m·1 stop
$436 USD
United Airlines
STLAug 7 18:30
→
IAHAug 7 20:50
UA 6284Embraer 175
3h 6m layover
United Airlines
IAHAug 7 23:56
→
SJUAug 8 05:29
UA 1497Boeing 737MAX 9 Passenger
9h 20m·1 stop
$508 USD
American Airlines
STLAug 7 11:35
→
MIAAug 7 15:29
AA 477Boeing 737MAX 8 Passenger
3h 42m layover
American Airlines
MIAAug 7 19:11
→
SJUAug 7 21:55
AA 1689Boeing 737
10h 11m·1 stop
$548 USD
American Airlines
STLAug 7 05:00
→
MIAAug 7 08:53
AA 1716Boeing 737
4h 32m layover
American Airlines
MIAAug 7 13:25
→
SJUAug 7 16:11
AA 967Boeing 737
7h 34m·1 stop
$548 USD
American Airlines
STLAug 7 15:25
→
CLTAug 7 18:22
AA 831Boeing 737
1h 54m layover
American Airlines
CLTAug 7 20:16
→
SJUAug 7 23:59
AA 2830Airbus A321
10h 29m·1 stop
$578 USD
Delta Air Lines
STLAug 7 11:00
→
ATLAug 7 13:37
DL 1400Boeing 737
5h 8m layover
Delta Air Lines
ATLAug 7 18:45
→
SJUAug 7 22:29
DL 1861Boeing 737
6h 40m·1 stop
$588 USD
American Airlines
STLAug 7 05:00
→
MIAAug 7 08:53
AA 1716Boeing 737
1h 2m layover
American Airlines
MIAAug 7 09:55
→
SJUAug 7 12:40
AA 1613Boeing 737
8h 50m·1 stop
$588 USD
American Airlines
STLAug 7 13:25
→
ORDAug 7 15:01
AA 6355Canadair RJ 700
2h 19m layover
American Airlines
ORDAug 7 17:20
→
SJUAug 7 23:15
AA 1865Boeing 737
7h 44m·1 stop
$623 USD
United Airlines
STLAug 7 06:00
→
ORDAug 7 07:30
UA 2805Boeing 737MAX 9 Passenger
1h 19m layover
United Airlines
ORDAug 7 08:49
→
SJUAug 7 14:44
UA 1996Airbus A321neo
8h 9m·1 stop
$649 USD
United Airlines
STLAug 7 11:25
→
ORDAug 7 13:03
UA 4395Bombardier Regional Jet 550
1h 35m layover
United Airlines
ORDAug 7 14:38
→
SJUAug 7 20:34
UA 695Airbus A321neo
10h 27m·1 stop
$649 USD
United Airlines
STLAug 7 12:23
→
EWRAug 7 16:00
UA 3573Embraer 175
3h 45m layover
United Airlines
EWRAug 7 19:45
→
SJUAug 7 23:50
UA 1543Boeing 737MAX 9 Passenger
6h 57m·1 stop
$693 USD
American Airlines
STLAug 7 06:54
→
CLTAug 7 09:49
AA 712Boeing 737
1h 16m layover
American Airlines
CLTAug 7 11:05
→
SJUAug 7 14:51
AA 783Airbus A321
6h 23m·1 stop
$932 USD
Delta Air Lines
STLAug 7 09:15
→
ATLAug 7 11:53
DL 1571Boeing 737
1h 7m layover
Delta Air Lines
ATLAug 7 13:00
→
SJUAug 7 16:38
DL 1946Boeing 737
6h 42m·1 stop
$932 USD
Delta Air Lines
STLAug 7 06:00
→
ATLAug 7 08:38
DL 1524Boeing 737
1h 17m layover
Delta Air Lines
ATLAug 7 09:55
→
SJUAug 7 13:42
DL 1882Airbus A321
8h 37m·1 stop
$932 USD
Delta Air Lines
STLAug 7 12:52
→
ATLAug 7 15:33
DL 566Boeing 737
3h 12m layover
Delta Air Lines
ATLAug 7 18:45
→
SJUAug 7 22:29
DL 1861Boeing 737
7h 29m·1 stop
$1,346 USD
United Airlines
STLAug 7 12:55
→
IADAug 7 16:07
UA 4454Bombardier Regional Jet 550
1h 17m layover
United Airlines
IADAug 7 17:24
→
SJUAug 7 21:24
UA 2025Boeing 737MAX 9 Passenger
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