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
Mon
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Rare Availability
9% of dates checked are available within 10% of the lowest price
Saturday, October 3rd, 2026
Outbound Flights
6h 57m·1 stop
$417 USD
STLOct 3 06:53
→CLTOct 3 09:50
AA 1515Airbus A321
1h 15m layover
CLTOct 3 11:05
→SJUOct 3 14:50
AA 783Airbus A321
15h 14m·1 stop
$417 USDSTLOct 3 17:10
→MIAOct 3 21:00
AA 3851Embraer 175
9h 45m layover·Overnight
MIAOct 4 06:45
→SJUOct 4 09:24
AA 3033Airbus A321
20h 49m·2 stops
$417 USDSTLOct 3 17:18
→ORDOct 3 19:13
AA 4645Embraer 175
1h 48m layover
ORDOct 3 21:01
→CLTOct 4 00:04
AA 2976Airbus A321
11h 16m layover
CLTOct 4 11:20
→SJUOct 4 15:07
AA 783Airbus A321
7h 44m·1 stop
$513 USD
STLOct 3 06:00
→ORDOct 3 07:36
UA 4423Bombardier Regional Jet 550
1h 19m layover
ORDOct 3 08:55
→SJUOct 3 14:44
UA 1996Airbus A321neo
6h 47m·1 stop
$520 USD
STLOct 3 06:00
→ATLOct 3 08:35
DL 1524Boeing 737
1h 32m layover
ATLOct 3 10:07
→SJUOct 3 13:47
DL 1882Airbus A321
8h 44m·1 stop
$520 USDSTLOct 3 07:05
→ATLOct 3 09:39
DL 1536Boeing 737
3h 39m layover
ATLOct 3 13:18
→SJUOct 3 16:49
DL 1946Airbus A321
7h 54m·1 stop
$618 USDSTLOct 3 05:00
→MIAOct 3 08:44
AA 1716Boeing 737
2h 28m layover
MIAOct 3 11:12
→SJUOct 3 13:54
AA 1613Airbus A321
7h 39m·1 stop
$693 USDSTLOct 3 13:40
→ATLOct 3 16:15
DL 566Boeing 737
2h 30m layover
ATLOct 3 18:45
→SJUOct 3 22:19
DL 1861Boeing 737
8h 2m·1 stop
$798 USDSTLOct 3 05:43
→DFWOct 3 07:40
AA 2261Airbus A320
1h 6m layover
DFWOct 3 08:46
→SJUOct 3 14:45
AA 702Airbus A321