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, September 1st, 2026

Outbound Flights

6h 40m·1 stop
$417 USD
American Airlines
STLSep 1 05:00
→
MIASep 1 08:53
AA 1716Boeing 737
1h 2m layover
American Airlines
MIASep 1 09:55
→
SJUSep 1 12:40
AA 1613Boeing 737
10h 11m·2 stops
$417 USD
American Airlines
STLSep 1 10:44
→
DCASep 1 14:17
AA 4776Embraer 175
37m layover
American Airlines
DCASep 1 14:54
→
MIASep 1 17:48
AA 1299Boeing 737
1h 23m layover
American Airlines
MIASep 1 19:11
→
SJUSep 1 21:55
AA 1689Boeing 737
8h 12m·1 stop
$417 USD
American Airlines
STLSep 1 05:42
→
DFWSep 1 07:40
AA 2261Airbus A320
1h 15m layover
American Airlines
DFWSep 1 08:55
→
SJUSep 1 14:54
AA 702Airbus A321neo
11h 33m·2 stops
$417 USD
American Airlines
STLSep 1 06:00
→
ORDSep 1 07:34
AA 1926Airbus A319
2h 21m layover
American Airlines
ORDSep 1 09:55
→
MIASep 1 14:08
AA 3056Boeing 737
1h 39m layover
American Airlines
MIASep 1 15:47
→
SJUSep 1 18:33
AA 1852Boeing 737
11h 33m·2 stops
$417 USD
American Airlines
STLSep 1 06:00
→
ORDSep 1 07:34
AA 1926Airbus A319
1h 3m layover
American Airlines
ORDSep 1 08:37
→
MIASep 1 12:50
AA 1250Airbus A321
2h 57m layover
American Airlines
MIASep 1 15:47
→
SJUSep 1 18:33
AA 1852Boeing 737
12h 54m·1 stop
$417 USD
American Airlines
STLSep 1 08:30
→
PHLSep 1 11:52
AA 1308Airbus A319
6h 23m layover
American Airlines
PHLSep 1 18:15
→
SJUSep 1 22:24
AA 2433Boeing 737
7h 34m·1 stop
$417 USD
American Airlines
STLSep 1 15:25
→
CLTSep 1 18:22
AA 831Boeing 737
1h 54m layover
American Airlines
CLTSep 1 20:16
→
SJUSep 1 23:59
AA 2830Airbus A321
6h 42m·1 stop
$468 USD
Delta Air Lines
STLSep 1 06:00
→
ATLSep 1 08:38
DL 1524Boeing 737
1h 17m layover
Delta Air Lines
ATLSep 1 09:55
→
SJUSep 1 13:42
DL 1882Airbus A321
8h 38m·1 stop
$468 USD
Delta Air Lines
STLSep 1 07:00
→
ATLSep 1 09:37
DL 1536Boeing 737
3h 23m layover
Delta Air Lines
ATLSep 1 13:00
→
SJUSep 1 16:38
DL 1946Boeing 737
8h 37m·1 stop
$468 USD
Delta Air Lines
STLSep 1 12:52
→
ATLSep 1 15:33
DL 566Boeing 737
3h 12m layover
Delta Air Lines
ATLSep 1 18:45
→
SJUSep 1 22:29
DL 1861Boeing 737
8h 23m·1 stop
$496 USD
United Airlines
STLSep 1 11:15
→
IAHSep 1 13:32
UA 5566Embraer 175
1h 34m layover
United Airlines
IAHSep 1 15:06
→
SJUSep 1 20:38
UA 701Boeing 737MAX 9 Passenger
8h 50m·1 stop
$803 USD
American Airlines
STLSep 1 13:25
→
ORDSep 1 15:01
AA 6355Canadair RJ 700
2h 19m layover
American Airlines
ORDSep 1 17:20
→
SJUSep 1 23:15
AA 1865Boeing 737
27h 21m·1 stop
$10,646 USD
United Airlines
STLSep 1 18:54
→
ORDSep 1 20:30
UA 4616Bombardier Regional Jet 550
20h 50m layover·Overnight
American Airlines
ORDSep 2 17:20
→
SJUSep 2 23:15
AA 1865Boeing 737
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