Luis Muñoz Marín International Airport
San Juan, Puerto Rico
O'Hare International Airport
Chicago, United States
$512 USD
-16%$428 USD
Verified Nov 29, 2025 at 12:04 PMMarch 2026
Mon
Tue
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Thu
Fri
Sat
Sun
Good Availability
46% of dates checked are available within 10% of the lowest price
Saturday, March 21st, 2026
Outbound Flights
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9h 16m·1 stop
$758 USD
SJUMar 21 01:05
→EWRMar 21 05:24
UA 2219Boeing 737MAX 9 Passenger
2h 6m layover

EWRMar 21 07:30
→ORDMar 21 09:21
UA 1608Airbus A321neo
12h 16m·1 stop
$1,258 USD
SJUMar 21 07:05
→IADMar 21 11:10
UA 2022Boeing 737MAX 9 Passenger
5h 49m layover

DCAMar 21 16:59
→ORDMar 21 18:21
UA 654Boeing 737
15h 38m·1 stop
$1,258 USD
SJUMar 21 16:50
→IADMar 21 20:55
UA 2024Boeing 737MAX 9 Passenger
9h 20m layover·Overnight

IADMar 22 06:15
→ORDMar 22 07:28
UA 279Boeing 737MAX 8 Passenger
14h 10m·1 stop
$1,258 USD
SJUMar 21 18:35
→EWRMar 21 22:53
UA 2036Boeing 737MAX 9 Passenger
7h 7m layover·Overnight

EWRMar 22 06:00
→ORDMar 22 07:45
UA 2164Boeing 757
5h 22m·Nonstop
$1,346 USD
SJUMar 21 07:30
→ORDMar 21 11:52
UA 2089Airbus A321neo
5h 25m·Nonstop
$1,346 USD
SJUMar 21 14:25
→ORDMar 21 18:50
UA 1045Boeing 737MAX 9 Passenger
5h 28m·Nonstop
$1,346 USD
SJUMar 21 15:52
→ORDMar 21 20:20
UA 2088Airbus A321neo
7h 54m·1 stop
$1,350 USD
SJUMar 21 16:50
→IADMar 21 20:55
UA 2024Boeing 737MAX 9 Passenger
1h 36m layover

IADMar 21 22:31
→ORDMar 21 23:44
UA 1738Boeing 737MAX 8 Passenger