Price observed over the last 3 months for a round trip.

Cheapest flight tickets
Price observed over the last 3 months for a round trip.
Average price of a round trip
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
A flight from Chicago to Lisbon takes on average 8h10.
Best time
According to user searches, the ideal month to go to Lisbon is September.
Check out our tips for booking your flight to Lisbon (Portugal) from Chicago (USA) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is August, with an average flight ticket price of $314 (calculation over the last two years). The most touristic season corresponds to the months of October, January and September.
For the cheapest flights, it is advisable to buy your ticket at least 37 days before the departure date.
The airline offering the cheapest flight tickets is TAP Air Portugal. A ticket from the airline TAP Air Portugal to Lisbon costs on average $668.
The airlines that offer the most flights are TAP Air Portugal and TAP Air Portugal.
Here is some information and tips to know before booking your flight:
Chicago is a city in the country USA, the time zone is [[timezone]]. In Chicago, it is currently {fromLocalTime}, the temperature is on average 12°C, with a minimum of 10°C and a maximum of 16°C.
The city of Chicago (CHI) has 4 airport(s): Chicago-Merrill C. Meigs Field, Chicago FSS, Chicago-Midway and Chicago-O'Hare
Lisbon is in the country Portugal, the time zone is [[timezone]]. In Lisbon, it is currently {toLocalTime}, the temperature is on average 20°C, with a minimum of 18°C and a maximum of 23°C.
The city of Lisbon has 1 airport(s): Lisbon-Humberto Delgado
If you want to visit Lisbon during the least touristic period, choose the month of September.
In Lisbon, the most popular month is October. It is during this period that the prices offered by airlines are also the highest.
According to our data, it is recommended to book your flight 37 days before your departure. If you book your flight ticket 6 weeks before your departure, you may find a price below average. The cheapest day to book a flight from Chicago to Lisbon is Sunday.
When you leave, you can leave from Chicago-Midway or Chicago-O'Hare, and you will arrive at Lisbon-Humberto Delgado.
The airport Chicago-Merrill C. Meigs Field is located 4 km, Chicago FSS is located 29 km, Chicago-Midway is located 12 km or Chicago-O'Hare is located 29 km from the city centre. You can access it by using public transportation, taking a taxi, or renting a car.
Airplane is the only means of transportation listed on Liligo for this journey.
In summer, the average temperature is 21°C in Lisbon and 22°C in Chicago. The average rainfall in summer is 6 mm in Lisbon and 145 mm in Chicago. In summer, it is warmer in Chicago and it rains less in Lisbon. In winter, it is colder in Lisbon and it rains more in Lisbon.