Chicago O'Hare International Airport (ORD) serves Chicago; Lisbon Portela Airport (LIS) serves Lisbon.
The airports are 3,999 miles apart by great-circle distance.
Roame's current schedule feed shows nonstop service from ORD to LIS.
Marketing airlines listed in the current schedule, including codeshare sellers, are JetBlue (B6), airBaltic (BT) and TAP Portugal (TP). This list does not identify the operating airline for each flight; check the flight details before booking.
Published schedule dates span Nov 13, 2026 – Oct 29, 2027.