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 8th, 2026

Outbound Flights

8h 28m·1 stop
$373 USD
United Airlines
STLAug 8 11:10
→
IAHAug 8 13:25
UA 6213Embraer 175
1h 38m layover
United Airlines
IAHAug 8 15:03
→
SJUAug 8 20:38
UA 701Boeing 737MAX 9 Passenger
7h 44m·1 stop
$413 USD
United Airlines
STLAug 8 06:00
→
ORDAug 8 07:30
UA 2805Boeing 737MAX 9 Passenger
1h 19m layover
United Airlines
ORDAug 8 08:49
→
SJUAug 8 14:44
UA 1996Airbus A321neo
8h 49m·1 stop
$417 USD
American Airlines
STLAug 8 13:54
→
CLTAug 8 16:49
AA 3096Boeing 737
3h 11m layover
American Airlines
CLTAug 8 20:00
→
SJUAug 8 23:43
AA 2830Airbus A321
9h 14m·1 stop
$523 USD
United Airlines
STLAug 8 10:20
→
ORDAug 8 11:52
UA 4517Bombardier Regional Jet 550
2h 46m layover
United Airlines
ORDAug 8 14:38
→
SJUAug 8 20:34
UA 695Airbus A321neo
9h 20m·1 stop
$548 USD
American Airlines
STLAug 8 11:35
→
MIAAug 8 15:29
AA 477Boeing 737MAX 8 Passenger
3h 42m layover
American Airlines
MIAAug 8 19:11
→
SJUAug 8 21:55
AA 1689Boeing 737
8h 28m·1 stop
$559 USD
United Airlines
STLAug 8 06:14
→
IAHAug 8 08:31
UA 6283Embraer 175
1h 32m layover
United Airlines
IAHAug 8 10:03
→
SJUAug 8 15:42
UA 1192Boeing 737MAX 9 Passenger
8h 9m·1 stop
$559 USD
United Airlines
STLAug 8 11:25
→
ORDAug 8 13:03
UA 4395Bombardier Regional Jet 550
1h 35m layover
United Airlines
ORDAug 8 14:38
→
SJUAug 8 20:34
UA 695Airbus A321neo
8h 38m·1 stop
$578 USD
Delta Air Lines
STLAug 8 07:00
→
ATLAug 8 09:37
DL 1536Boeing 737
3h 23m layover
Delta Air Lines
ATLAug 8 13:00
→
SJUAug 8 16:38
DL 1946Boeing 737
6h 57m·1 stop
$588 USD
American Airlines
STLAug 8 06:54
→
CLTAug 8 09:49
AA 712Boeing 737
1h 16m layover
American Airlines
CLTAug 8 11:05
→
SJUAug 8 14:51
AA 783Airbus A321
7h 29m·1 stop
$688 USD
United Airlines
STLAug 8 12:55
→
IADAug 8 16:07
UA 4454Bombardier Regional Jet 550
1h 17m layover
United Airlines
IADAug 8 17:24
→
SJUAug 8 21:24
UA 2025Boeing 737MAX 9 Passenger
6h 40m·1 stop
$728 USD
American Airlines
STLAug 8 05:00
→
MIAAug 8 08:53
AA 1716Boeing 737
1h 2m layover
American Airlines
MIAAug 8 09:55
→
SJUAug 8 12:40
AA 1613Boeing 737
6h 42m·1 stop
$932 USD
Delta Air Lines
STLAug 8 06:00
→
ATLAug 8 08:38
DL 1524Boeing 737
1h 17m layover
Delta Air Lines
ATLAug 8 09:55
→
SJUAug 8 13:42
DL 1882Airbus A321
8h 25m·1 stop
$932 USD
Delta Air Lines
STLAug 8 13:04
→
ATLAug 8 15:49
DL 566Boeing 737
2h 56m layover
Delta Air Lines
ATLAug 8 18:45
→
SJUAug 8 22:29
DL 1861Boeing 737
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