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

Tuesday, August 11th, 2026

Outbound Flights

8h 23m·1 stop
$373 USD
United Airlines
STLAug 11 11:15
→
IAHAug 11 13:32
UA 5566Embraer 175
1h 34m layover
United Airlines
IAHAug 11 15:06
→
SJUAug 11 20:38
UA 701Boeing 737MAX 9 Passenger
10h 23m·1 stop
$373 USD
United Airlines
STLAug 11 12:27
→
EWRAug 11 15:58
UA 560Boeing 737
3h 49m layover
United Airlines
EWRAug 11 19:47
→
SJUAug 11 23:50
UA 1543Boeing 737MAX 9 Passenger
12h 43m·1 stop
$417 USD
American Airlines
STLAug 11 09:32
→
ORDAug 11 11:00
AA 3568Embraer 170
6h 20m layover
American Airlines
ORDAug 11 17:20
→
SJUAug 11 23:15
AA 1865Boeing 737
8h 37m·1 stop
$468 USD
Delta Air Lines
STLAug 11 12:52
→
ATLAug 11 15:33
DL 566Boeing 737
3h 12m layover
Delta Air Lines
ATLAug 11 18:45
→
SJUAug 11 22:29
DL 1861Boeing 737
6h 40m·1 stop
$508 USD
American Airlines
STLAug 11 05:00
→
MIAAug 11 08:53
AA 1716Boeing 737
1h 2m layover
American Airlines
MIAAug 11 09:55
→
SJUAug 11 12:40
AA 1613Boeing 737
6h 57m·1 stop
$508 USD
American Airlines
STLAug 11 06:54
→
CLTAug 11 09:49
AA 712Boeing 737
1h 16m layover
American Airlines
CLTAug 11 11:05
→
SJUAug 11 14:51
AA 783Airbus A321
9h 20m·1 stop
$508 USD
American Airlines
STLAug 11 11:35
→
MIAAug 11 15:29
AA 477Boeing 737MAX 8 Passenger
3h 42m layover
American Airlines
MIAAug 11 19:11
→
SJUAug 11 21:55
AA 1689Boeing 737
7h 34m·1 stop
$508 USD
American Airlines
STLAug 11 15:25
→
CLTAug 11 18:22
AA 831Boeing 737
1h 54m layover
American Airlines
CLTAug 11 20:16
→
SJUAug 11 23:59
AA 2830Airbus A321
8h 27m·1 stop
$523 USD
United Airlines
STLAug 11 06:15
→
IAHAug 11 08:32
UA 4608Bombardier Regional Jet 550
1h 38m layover
United Airlines
IAHAug 11 10:10
→
SJUAug 11 15:42
UA 1192Boeing 737MAX 9 Passenger
8h 50m·1 stop
$548 USD
American Airlines
STLAug 11 13:25
→
ORDAug 11 15:01
AA 6355Canadair RJ 700
2h 19m layover
American Airlines
ORDAug 11 17:20
→
SJUAug 11 23:15
AA 1865Boeing 737
8h 38m·1 stop
$578 USD
Delta Air Lines
STLAug 11 07:00
→
ATLAug 11 09:37
DL 1536Boeing 737
3h 23m layover
Delta Air Lines
ATLAug 11 13:00
→
SJUAug 11 16:38
DL 1946Boeing 737
6h 23m·1 stop
$932 USD
Delta Air Lines
STLAug 11 09:15
→
ATLAug 11 11:53
DL 1571Boeing 737
1h 7m layover
Delta Air Lines
ATLAug 11 13:00
→
SJUAug 11 16:38
DL 1946Boeing 737
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