Cheap flights from Lisbon to Chicago from $274
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Lisbon to Chicago departing on 9/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Lisbon to Chicago
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
TAP AIR PORTUGAL flights from Lisbon to Chicago O'Hare Intl Airport
Our best TAP AIR PORTUGAL deals on Lisbon to Chicago O'Hare Intl Airport flight tickets
Delta flights from Lisbon to Chicago O'Hare Intl Airport
Our best Delta deals on Lisbon to Chicago O'Hare Intl Airport flight tickets
See travel insights to Chicago from
How to get the cheapest flight ticket from Lisbon to Chicago O'Hare Intl Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Chicago O'Hare Intl Airport?
The month of April is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Lisbon averaging around $746.
What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?
The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Sunday when prices can be found for as low as $784. This is often the case because there is less demand to fly during this day of the week. On the other hand, Wednesday 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 $1,361.
What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?
Flying to Chicago O'Hare Intl Airport from Lisbon at noon is the least expensive time of day to depart. momondo users have found prices as low as $811 when looking at flights departing at noon. Try not to purchase tickets in the morning because they tend to be around $1,145. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest Lisbon Humberto Delgado to Chicago O'Hare Intl flight route?
Fly from Lisbon Humberto Delgado to Chicago O'Hare Intl for the best Lisbon Humberto Delgado - Chicago O'Hare Intl flight prices
What cabin class options are available on Lisbon Humberto Delgado to Chicago O'Hare Intl flights?
There are 3 cabin classes available to choose from on Lisbon Humberto Delgado to Chicago O'Hare Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
How have Lisbon to Chicago O'Hare Intl Airport flight prices changed over time?
As of June 2025, prices for Lisbon to Chicago O'Hare Intl Airport flights are approximately 20% more expensive when compared to flights at the same time last year.
What is the cheapest airline that flies from Lisbon Humberto Delgado to Chicago O'Hare Intl?
Icelandair, TAP AIR PORTUGAL, and Aer Lingus are the most popular carriers operating from Lisbon Humberto Delgado to Chicago O'Hare Intl
What airlines fly to Chicago O'Hare Intl Airport?
United Airlines, Aer Lingus and TAP AIR PORTUGAL are the top three most popular airlines that fly to Chicago O'Hare Intl Airport from Lisbon according to our data. United Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Chicago O'Hare Intl Airport. Keep in mind that there are 4 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Lisbon to Chicago O'Hare Intl Airport on average per week?
The number of flights available between Lisbon and Chicago O'Hare Intl Airport is 2 per week as of June 2025. The most frequent departure day is Wed, with 100% of weekly flights leaving on this day.
When to book flights from Lisbon to Chicago O'Hare Intl Airport
Cheap Lisbon to Chicago O'Hare Intl Airport (LIS to ORD) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Lisbon to Chicago O'Hare Intl Airport
How far is Lisbon Humberto Delgado to Chicago O'Hare Intl by plane?
The straight-line distance from Lisbon Humberto Delgado to Chicago O'Hare Intl is 3998.0 mi. By plane, this route typically takes 9h 15m.
When did momondo last update prices for flights from Lisbon Humberto Delgado Airport to Chicago O'Hare Intl Airport?
Prices for flights from Lisbon Humberto Delgado Airport to Chicago O'Hare Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Lisbon Humberto Delgado Airport to Chicago O'Hare Intl Airport?
There are 4 operators available for flights from Lisbon Humberto Delgado Airport to Chicago O'Hare Intl Airport as of June 2025.
How old do you have to be to fly from Lisbon Humberto Delgado Airport to Chicago O'Hare Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lisbon Humberto Delgado Airport to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The necessary travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Lisbon to Chicago O'Hare Intl Airport?
momondo data reveals that the most frequently booked plane model on the route from Lisbon to Chicago O'Hare Intl Airport is Airbus A330-900neo, representing 48.44% of all bookings. The subsequent popular models are Airbus A330 at 46.88% and Airbus A330-200 at 4.69%.
What is the most popular airline from Lisbon to Chicago O'Hare Intl Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Lisbon to Chicago O'Hare Intl Airport is United Airlines (39% of total bookings). The next most popular airlines are Aer Lingus (21%), TAP AIR PORTUGAL (21%), and Delta (19%).
Best airlines flying from Lisbon to Chicago O'Hare Intl Airport
Compare and see reviews for airlines that fly from Lisbon to Chicago O'Hare Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $579 | Free Cancellation | Rating 7.1 1,117 reviews | |||
| PriceFrom $580 | Free Cancellation | Rating 7.1 1,885 reviews | |||
| PriceFrom $650 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $733 | Free Cancellation | Rating 7.4 8,790 reviews |
TAP AIR PORTUGAL Flights From Lisbon to Chicago O'Hare Intl Airport
TAP AIR PORTUGAL is one of the most popular airlines flying from Lisbon to Chicago O'Hare Intl Airport, operating 2 flights/week on average for this route. A good TAP AIR PORTUGAL flight deal for Lisbon to Chicago O'Hare Intl Airport starts from $580 round-trip, up to an average price of $1,145. Our users have rated TAP AIR PORTUGAL at 7.1/10.
Traveling to a place near Chicago?
Book flights to Chicago if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Lisbon to Chicago?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Chicago from Lisbon.
Can I find flights from Lisbon to Chicago with flexible booking policies on momondo?
Flights from Lisbon to Chicago with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Lisbon to Chicago?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Lisbon to Chicago.
I’m not ready to book a flight from Lisbon to Chicago right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Lisbon to Chicago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chicago and let you know when they change.