Cheap flights from Lisbon to Chicago from $365

The month of November is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Lisbon averaging around $701.

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Thursday when prices can be found for as low as $748. This is often the case because there is less demand to fly during this day of the week. On the other hand, Friday is the most expensive day to depart from Lisbon because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,205.

Flying to Chicago O'Hare Intl Airport from Lisbon in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,056 when looking at flights departing in the morning. Try not to purchase tickets at noon because they tend to be around $1,111. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Lisbon Humberto Delgado to Chicago O'Hare Intl for the best Lisbon Humberto Delgado - Chicago O'Hare Intl flight prices

There are 3 cabin classes available to choose from on Lisbon to Chicago O'Hare Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between Lisbon to Chicago O'Hare Intl Airport.

Historically, on average around 23% of flights between Lisbon and Chicago have experienced a delay on any given week. The average delay length over the past 12 months has been 127 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

According to our data, TAP AIR PORTUGAL have had the least number of delays on this route over the last 12 months; with about 23% of their flights experiencing any sort of delay.

As of May 2026, there are 1 flights per day flying from Lisbon to Chicago O'Hare Intl Airport. The most common time of day flights depart is 12:00PM, with 100% of flights taking off in the afternoon.

The number of flights available between Lisbon and Chicago O'Hare Intl Airport is 8 per week as of May 2026. The most frequent departure day is Wed, with 25% of weekly flights leaving on this day.