Chicago O'Hare to Lisbon
3999 miles great-circle distance, typically flown in 8h 27m with 9 airlines operating direct service from Chicago O'Hare (ORD) to Lisbon (LIS). Cheapest fares are usually in Jun (around $495 return), with peak prices in Jun (around $495). Departures on a Tuesday tend to undercut weekend prices on this corridor.
Flying from Chicago O'Hare
Chicago O'Hare is one of America's two busiest hubs and the home base for both United and American — Terminals 1 and 2 belong to United, Terminal 3 to American, and Terminal 5 handles all international arrivals. The CTA Blue Line runs from a station at the airport to downtown Loop in around 45 minutes for $5. Winter weather drives chronic delays from late November through February, so build in connection padding through ORD between Thanksgiving and President's Day.
Arriving in Lisbon
Lisbon Humberto Delgado is on the city's northeastern edge, 7 km from the centre. The Aeroporto metro station connects to the city in 25 minutes for €1.80. TAP Portugal dominates the US-Lisbon corridor with capacity from JFK, EWR, MIA, BOS, IAD, ORD and SFO; United adds capacity from EWR and IAD. Lisbon's mild winters make October–April excellent value travel; summer fares (July–August) double off-peak prices.
Who flies ORD to LIS?
| Airline | IATA | Flight time | Cabin |
| United Airlines | UA | 8h 27m | Economy |
| American Airlines | AA | 8h 27m | Economy |
| British Airways | BA | 8h 27m | Economy |
| Lufthansa | LH | 8h 27m | Economy |
| Air France | AF | 8h 27m | Economy |
| KLM | KL | 8h 27m | Economy |
| ANA | NH | 8h 27m | Economy |
| Japan Airlines | JL | 8h 27m | Economy |
| Cathay Pacific | CX | 8h 27m | Economy |
9 carriers fly direct on this corridor. Frequencies vary by season — summer and winter holiday peaks see additional flights.
Best time to fly ORD→LIS
Synthesised from 12-month price aggregates. Cheapest months in green, peak in red.
Estimated baseline. Prices update on a 30-day cadence as Travelpayouts data refreshes. Cheapest day-of-week typically Tuesday.
Chicago to Lisbon FAQs
Direct flights from Chicago O'Hare (ORD) to Lisbon (LIS) take approximately 8h 27m for the 3999-mile journey, plus 30–60 minutes of taxi, climb and descent. Total airport-to-airport time depends on cruise winds and air-traffic queueing on approach.
Jun is typically the cheapest month on this route, with one-way fares from $495. Jun is the peak — expect prices 2–3× higher. Book 4–8 weeks ahead for best fares; last-minute prices on this corridor rise sharply inside two weeks of departure.
9 carriers operate direct service from Chicago O'Hare (ORD) to Lisbon (LIS): United Airlines, American Airlines, British Airways, Lufthansa, Air France and 4 more. Frequencies vary by season and carrier — United Airlines typically operates the highest weekly count on this corridor.
Visa-free Schengen for US passport holders up to 90 days in any 180-day period. Always check travel.state.gov for the latest entry requirements before booking.
Lisbon (LIS) is the primary international airport for Lisbon. Allow 30–60 minutes for the ground transfer by train, express bus, taxi or rideshare depending on traffic and time of day. See the airport's official website for current train and shuttle timetables.