St. Louis (STL) to San Juan (SJU) flight deal in business from $373
STLLambert-Saint Louis International Airport
St. Louis, United States
SJULuis Muñoz Marín International Airport
San Juan, Puerto Rico
$469 USD
-20%$373 USD
Verified 16 days agoOctober 2026
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Rare Availability
9% of dates checked are available within 10% of the lowest price
Sunday, October 4th, 2026
Outbound Flights
8h 52m·1 stop
$417 USD
STLOct 4 05:15
→CLTOct 4 08:12
AA 1515Airbus A321
3h 8m layover
CLTOct 4 11:20
→SJUOct 4 15:07
AA 783Airbus A321
8h 46m·1 stop
$417 USDSTLOct 4 05:43
→DFWOct 4 07:40
AA 2261Airbus A320
1h 50m layover
DFWOct 4 09:30
→SJUOct 4 15:29
AA 702Airbus A321
6h 39m·1 stop
$498 USDSTLOct 4 07:28
→CLTOct 4 10:25
AA 712Boeing 737
55m layover
CLTOct 4 11:20
→SJUOct 4 15:07
AA 783Airbus A321
7h 57m·1 stop
$498 USDSTLOct 4 05:00
→MIAOct 4 08:44
AA 1716Boeing 737
2h 31m layover
MIAOct 4 11:15
→SJUOct 4 13:57
AA 1613Airbus A321
8h 28m·1 stop
$523 USD
STLOct 4 11:10
→IAHOct 4 13:25
UA 6213Embraer 175
1h 41m layover
IAHOct 4 15:06
→SJUOct 4 20:38
UA 701Boeing 737MAX 9 Passenger
8h 27m·1 stop
$618 USDSTLOct 4 06:15
→IAHOct 4 08:27
UA 1371Boeing 737MAX 8 Passenger
1h 43m layover
IAHOct 4 10:10
→SJUOct 4 15:42
UA 1192Boeing 737MAX 9 Passenger
6h 47m·1 stop
$688 USD
STLOct 4 06:00
→ATLOct 4 08:35
DL 1524Boeing 737
1h 32m layover
ATLOct 4 10:07
→SJUOct 4 13:47
DL 1882Airbus A321
7h 44m·1 stop
$703 USDSTLOct 4 06:00
→ORDOct 4 07:36
UA 4423Bombardier Regional Jet 550
1h 19m layover
ORDOct 4 08:55
→SJUOct 4 14:44
UA 1996Airbus A321neo