STLLambert-Saint Louis International Airport
St. Louis, United States
SJULuis Muñoz Marín International Airport
San Juan, Puerto Rico
$441 USD
-28%$318 USD
Verified Nov 30, 2025 at 3:26 AMLimited Availability
10% of dates checked are available within 10% of the lowest price
Tuesday, January 20th, 2026
Outbound Flights
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7h 10m·1 stop
$583 USD
STLJan 20 06:30
→ORDJan 20 08:05
UA 4423Bombardier Regional Jet 550
50m layover
ORDJan 20 08:55
→SJUJan 20 15:40
UA 1996Airbus A321neo
7h 40m·1 stop
$583 USDSTLJan 20 11:20
→ORDJan 20 12:55
UA 4395Bombardier Regional Jet 550
1h 25m layover
ORDJan 20 14:20
→SJUJan 20 21:00
UA 695Airbus A321neo
7h 38m·1 stop
$583 USDSTLJan 20 12:44
→IADJan 20 15:55
UA 4454Bombardier Regional Jet 550
1h 37m layover
IADJan 20 17:32
→SJUJan 20 22:22
UA 2025Boeing 737MAX 9 Passenger
8h 34m·1 stop
$623 USD
STLJan 20 11:05
→ORDJan 20 12:34
AA 6342Canadair RJ 700
2h 26m layover
ORDJan 20 15:00
→SJUJan 20 21:39
AA 1555Boeing 737
8h 30m·1 stop
$623 USDSTLJan 20 06:00
→PHLJan 20 09:22
AA 5623Canadair RJ 900
2h 7m layover
PHLJan 20 11:29
→SJUJan 20 16:30
AA 521Airbus A321
8h 7m·1 stop
$738 USD
STLJan 20 07:10
→ATLJan 20 09:55
DL 566Boeing 737
2h 58m layover
ATLJan 20 12:53
→SJUJan 20 17:17
DL 1946Boeing 737
8h 45m·1 stop
$738 USDSTLJan 20 13:00
→ATLJan 20 15:35
DL 1400Boeing 717
3h 48m layover
ATLJan 20 19:23
→SJUJan 20 23:45
DL 1861Boeing 757
7h 18m·1 stop
$758 USDSTLJan 20 06:00
→ORDJan 20 07:27
AA 3741Embraer 175
1h 8m layover
ORDJan 20 08:35
→SJUJan 20 15:18
AA 3276Boeing 737MAX 8 Passenger
8h 33m·1 stop
$788 USDSTLJan 20 10:17
→CLTJan 20 13:14
AA 5614Canadair RJ 900
2h 59m layover
CLTJan 20 16:13
→SJUJan 20 20:50
AA 2098Airbus A321
6h 22m·1 stop
$912 USDSTLJan 20 10:00
→MIAJan 20 13:51
AA 1294Boeing 737
50m layover
MIAJan 20 14:41
→SJUJan 20 18:22
AA 1613Airbus A321
6h 31m·1 stop
$1,169 USDSTLJan 20 06:00
→ATLJan 20 08:45
DL 1524Boeing 737
1h 15m layover
ATLJan 20 10:00
→SJUJan 20 14:31
DL 1882Boeing 767