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 16 days ago
Rare Availability
9% of dates checked are available within 10% of the lowest price

Tuesday, September 22nd, 2026

Outbound Flights

6h 57m·1 stop
$417 USD
American Airlines
STLSep 22 06:53
→
CLTSep 22 09:50
AA 1515Airbus A321
1h 15m layover
American Airlines
CLTSep 22 11:05
→
SJUSep 22 14:50
AA 783Airbus A321
7h 57m·1 stop
$417 USD
American Airlines
STLSep 22 05:00
→
MIASep 22 08:44
AA 1716Boeing 737
2h 31m layover
American Airlines
MIASep 22 11:15
→
SJUSep 22 13:57
AA 1613Airbus A321
11h 4m·2 stops
$417 USD
American Airlines
STLSep 22 08:43
→
CLTSep 22 11:40
AA 712Boeing 737
1h 50m layover
American Airlines
CLTSep 22 13:30
→
MIASep 22 15:34
AA 1198Airbus A321neo
2h 31m layover
American Airlines
MIASep 22 18:05
→
SJUSep 22 20:47
AA 1689Boeing 737
16h 50m·1 stop
$417 USD
American Airlines
STLSep 22 17:10
→
MIASep 22 21:00
AA 3851Embraer 175
11h 20m layover·Overnight
American Airlines
MIASep 23 08:20
→
SJUSep 23 11:00
AA 1341Boeing 737
16h 47m·2 stops
$417 USD
American Airlines
STLSep 22 17:13
→
DCASep 22 20:19
AA 2286Airbus A319
41m layover
American Airlines
DCASep 22 21:00
→
MIASep 22 23:45
AA 2214Boeing 737MAX 8 Passenger
8h 35m layover·Overnight
American Airlines
MIASep 23 08:20
→
SJUSep 23 11:00
AA 1341Boeing 737
6h 49m·1 stop
$468 USD
Delta Air Lines
STLSep 22 14:30
→
ATLSep 22 17:05
DL 566Boeing 737
1h 40m layover
Delta Air Lines
ATLSep 22 18:45
→
SJUSep 22 22:19
DL 1861Boeing 737
8h 44m·1 stop
$468 USD
Delta Air Lines
STLSep 22 07:05
→
ATLSep 22 09:39
DL 1536Boeing 737
3h 39m layover
Delta Air Lines
ATLSep 22 13:18
→
SJUSep 22 16:49
DL 1946Boeing 737
8h 23m·1 stop
$496 USD
United Airlines
STLSep 22 11:15
→
IAHSep 22 13:32
UA 5589Embraer 175
1h 34m layover
United Airlines
IAHSep 22 15:06
→
SJUSep 22 20:38
UA 701Boeing 737MAX 9 Passenger
10h 22m·1 stop
$523 USD
United Airlines
STLSep 22 12:28
→
EWRSep 22 16:00
UA 560Airbus A319
3h 47m layover
United Airlines
EWRSep 22 19:47
→
SJUSep 22 23:50
UA 1543Boeing 737MAX 9 Passenger
6h 47m·1 stop
$578 USD
Delta Air Lines
STLSep 22 06:00
→
ATLSep 22 08:35
DL 1524Boeing 737
1h 32m layover
Delta Air Lines
ATLSep 22 10:07
→
SJUSep 22 13:47
DL 1882Airbus A321
7h 57m·1 stop
$618 USD
United Airlines
STLSep 22 06:15
→
IAHSep 22 08:32
UA 6258Embraer 175
1h 8m layover
United Airlines
IAHSep 22 09:40
→
SJUSep 22 15:12
UA 1192Boeing 737MAX 9 Passenger
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