Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from Chicago to Lisbon
The cheapest flights right now
Chicago – Lisbon
Outbound – Dec 7, 2026
1 stop
9h 50m IAD
Return – Dec 15, 2026
1 stop
12h 45m IAD
$743
today
Chicago – Lisbon
Outbound – Dec 7, 2026
1 stop
9h 50m IAD
Return – Dec 15, 2026
1 stop
13h 2m YUL
$741
today
Chicago – Lisbon
Outbound – Dec 6, 2026
1 stop
10h 35m EWR
Return – Dec 15, 2026
1 stop
12h 45m IAD
$739
today
Chicago – Lisbon
Outbound – Dec 6, 2026
1 stop
10h 35m EWR
Return – Dec 15, 2026
1 stop
13h 2m YUL
$737
today
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Cheapest flight tickets
$587
Average price of a round trip
$673
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
8h10
A flight from Chicago to Lisbon takes on average 8h10.
Best time
September
According to user searches, the ideal month to go to Lisbon is September.
Tips for finding a cheap flight from Chicago to Lisbon
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.
Price of flight tickets from Chicago to Lisbon
Here is some information and tips to know before booking your flight:
- Flight ticket prices range from $587 to $1305
- The average price of a flight ticket is about $673
- Prices are lowest for stays in the month of August
- The month in which booking a ticket is cheaper is: October
info departure city :
Chicago, USA
airports :
Chicago-Merrill C. Meigs Field Airport (CGX)
Chicago FSS (CHI)
Chicago-Midway International Airport (MDW)
Chicago-O'Hare International Airport (ORD)
local time :
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 8°C and a maximum of 17°C.
The city of Chicago (CHI) has 4 airport(s): Chicago-Merrill C. Meigs Field, Chicago FSS, Chicago-Midway and Chicago-O'Hare
destination info :
Lisbon, Portugal
airport :
Lisbon-Humberto Delgado Airport (LIS)
local time :
Lisbon is in the country Portugal, the time zone is [[timezone]]. In Lisbon, it is currently {toLocalTime}, the temperature is on average 19°C, with a minimum of 16°C and a maximum of 24°C.
The city of Lisbon has 1 airport(s): Lisbon-Humberto Delgado
Useful info about Lisbon
What is the least touristic period to go to Lisbon?
If you want to visit Lisbon during the least touristic period, choose the month of September.
What is the most popular time to travel to Lisbon?
In Lisbon, the most popular month is October. It is during this period that the prices offered by airlines are also the highest.
When should I book my flight from Chicago to Lisbon?
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.
What are the arrival and destination airports when traveling between Chicago and Lisbon?
When you leave, you can leave from Chicago-Midway or Chicago-O'Hare, and you will arrive at Lisbon-Humberto Delgado.
How to reach Chicago airport from the city centre?
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.
Are there other means of transportation to go from Chicago to Lisbon?
Airplane is the only means of transportation listed on Liligo for this journey.
Are there big differences in weather between Chicago and Lisbon?
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.
