£256 Find Cheap Flights from Chicago to Lisbon – Compare and Save

These are the earliest and latest flight times available from Chicago O'Hare Intl Airport to Lisbon:

• Earliest: departs at 19:00 and lands at 03:05
• Latest: departs at 20:10 and lands at 04:15.

The flight takes about 8h 05m.

A direct flight from Chicago O'Hare Intl Airport to Lisbon takes 8h 05m, covering 3,996 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Return flights from Chicago O'Hare Intl Airport to Lisbon range from £507 to £823, with an average of £644 over the past 12 months. Anything below £507 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 3% above the £644 route average. Book 4 weeks before departure for the lowest fares.

On this route, stopover flights are cheaper than direct options on average. Stopover fares average £333 return via Reykjavik Keflavik Intl (KEF), compared with £683 for direct.

TAP AIR PORTUGAL is the only airline operating Chicago O'Hare Intl Airport to Lisbon flights. 74% of its flights are on time.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge £39–£75 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

The Boeing 787-10 Dreamliner family is used most often on this route, operated mainly by United Airlines and Lufthansa. Other aircraft seen on the route include Boeing 787-8 Dreamliner variants.

One-way fares from Chicago O'Hare Intl Airport to Lisbon are currently lower than usual. Average one-way flight prices are about £348, which is 20% below the typical average for this route.

Lisbon Humberto Delgado Airport (LIS) hosts 5 major car hire companies, with daily rates starting from around £17 for economy cars. Top options include:

• Klass Wagen
• Goldcar Rental SP
• Drive on Holiday
• GREEN MOTION
• Guerin

Flights from Chicago O'Hare Intl Airport to Lisbon usually depart from Chicago O'Hare Intl (ORD) and arrive at Lisbon Humberto Delgado (LIS).

Night flights have the fewest delays on this route, while evening departures tend to have the most.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Chicago O'Hare Intl Airport to Lisbon route, 26% of flights were delayed in the past three months, with delays averaging 1h 57m.

One-stop flights from Chicago O'Hare Intl Airport to Lisbon most commonly connect through:

• Philadelphia (PHL) – 19% of one-stop connections
• Toronto Pearson Intl (YYZ) – 16% of one-stop connections
• London Heathrow (LHR) – 11% of one-stop connections
• Dublin (DUB) – 10% of one-stop connections

Yes. Flexible dates can save you up to 22% on flights from Chicago O'Hare Intl Airport to Lisbon. Tuesday is the cheapest departure day at £547 return on average, while Friday is the most expensive at £702, a difference of £154.

KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

Only TAP AIR PORTUGAL operates flights between Chicago O'Hare Intl Airport and Lisbon.

Flying via Newark (EWR) gives the shortest average 1-stop total travel time of 11h 33m, compared to 11h 38m via Philadelphia (PHL) and 12h 12m via Toronto Pearson Intl (YYZ).

Lisbon is 6 hours ahead of Chicago O'Hare Intl Airport (Western European Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Lisbon are Chiado, Museu Calouste Gulbenkian, and Praça de D. Pedro IV. These are among the most viewed places in Lisbon on KAYAK.

Among airlines operating Chicago O'Hare Intl Airport to Lisbon flights:

• TAP AIR PORTUGAL: offers extra legroom; offers free seat selection
• JetBlue: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• TAP AIR PORTUGAL: a cabin bag and a checked bag in Economy class
• JetBlue: a cabin bag and a checked bag in Economy class

Baggage allowance can vary by ticket type, cabin class, route, and airline, so always check the fare details before booking.