$349 Cheap Flights from Chicago (ORD) to Lisbon (LIS)

View $349 flight on Mon, Apr 20, 2026Opens in a new window

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Humberto Delgado Airport (LIS)

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Cheap Flights from Chicago to Lisbon (ORD-LIS)

Prices were available within the past 7 days and start at $349 for one-way flights and $482 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sun, Feb 8 - Fri, Feb 27
ORD
Chicago
LIS
Lisbon
$482 Roundtrip, found 10 hours ago
$482
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Sun, Feb 8 from Chicago to Lisbon, returning Fri, Feb 27, priced at $482 found 10 hours ago
Icelandair
Wed, Apr 8 - Sun, Apr 26
ORD
Chicago
LIS
Lisbon
$483 Roundtrip, found 1 day ago
$483
Roundtrip
found 1 day ago
Select Icelandair flight, departing Wed, Apr 8 from Chicago to Lisbon, returning Sun, Apr 26, priced at $483 found 1 day ago
United
Tue, Dec 8 - Fri, Dec 18
ORD
Chicago
LIS
Lisbon
$485 Roundtrip, found 2 days ago
$485
Roundtrip
found 2 days ago
Select United flight, departing Tue, Dec 8 from Chicago to Lisbon, returning Fri, Dec 18, priced at $485 found 2 days ago
Delta
Mon, Apr 20 - Thu, Apr 30
ORD
Chicago
LIS
Lisbon
$488 Roundtrip, found 8 hours ago
$488
Roundtrip
found 8 hours ago
Select Delta flight, departing Mon, Apr 20 from Chicago to Lisbon, returning Thu, Apr 30, priced at $488 found 8 hours ago
Lufthansa
Tue, Feb 24 - Fri, Mar 6
ORD
Chicago
LIS
Lisbon
$489 Roundtrip, found 1 hour ago
$489
Roundtrip
found 1 hour ago
Select Lufthansa flight, departing Tue, Feb 24 from Chicago to Lisbon, returning Fri, Mar 6, priced at $489 found 1 hour ago
Iberia
Sun, Feb 8 - Fri, Feb 27
ORD
Chicago
LIS
Lisbon
$490 Roundtrip, found 10 hours ago
$490
Roundtrip
found 10 hours ago
Select Iberia flight, departing Sun, Feb 8 from Chicago to Lisbon, returning Fri, Feb 27, priced at $490 found 10 hours ago
Swiss International Air Lines
Wed, Mar 4 - Wed, Mar 11
ORD
Chicago
LIS
Lisbon
$493 Roundtrip, found 1 hour ago
$493
Roundtrip
found 1 hour ago
Select Swiss International Air Lines flight, departing Wed, Mar 4 from Chicago to Lisbon, returning Wed, Mar 11, priced at $493 found 1 hour ago
Air Canada
Tue, Nov 24 - Thu, Dec 3
ORD
Chicago
LIS
Lisbon
$494 Roundtrip, found 4 days ago
$494
Roundtrip
found 4 days ago
Select Air Canada flight, departing Tue, Nov 24 from Chicago to Lisbon, returning Thu, Dec 3, priced at $494 found 4 days ago
British Airways
Wed, Dec 2 - Tue, Dec 15
ORD
Chicago
LIS
Lisbon
$501 Roundtrip, found 6 hours ago
$501
Roundtrip
found 6 hours ago
Select British Airways flight, departing Wed, Dec 2 from Chicago to Lisbon, returning Tue, Dec 15, priced at $501 found 6 hours ago
Aer Lingus
Tue, Apr 28 - Thu, May 7
ORD
Chicago
LIS
Lisbon
$501 Roundtrip, found 4 hours ago
$501
Roundtrip
found 4 hours ago
Select Aer Lingus flight, departing Tue, Apr 28 from Chicago to Lisbon, returning Thu, May 7, priced at $501 found 4 hours ago

Alternative airports near Lisbon

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Humberto Delgado LIS. Cheapest option available. Flights from $583
LIS
Humberto Delgado
Cheapest
Flights from $583

Find the cheapest month to fly from Chicago (ORD) to Lisbon (LIS)

February is typically the cheapest month to fly

From $436 - $866 per traveler.
Flights from Chicago (ORD) to Lisbon (LIS)
Origin airport
O'Hare Intl.
Destination airport
Humberto Delgado
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, KLM, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
$481
Distance
3999 mi
Average flight time
7 hours 55 mins

Chicago to Lisbon Flights

The cheapest times to fly from Chicago to Lisbon

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Chicago to Lisbon are during the month of February. You can find some of the cheapest flights from Chicago to Lisbon with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Chicago to Lisbon

Sunday is one of the best days to book for cheap flights from Chicago to Lisbon: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Chicago to Lisbon

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Chicago to Lisbon in 2026. You can also book with separate airlines for your outbound and return journeys, from $349 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Chicago to Lisbon flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Chicago to Lisbon airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Chicago, IL (ORD-O'Hare Intl.) to Lisbon (LIS-Humberto Delgado) cost?
You can find cheap one-way flights from $349 and cheap return flights from $482 Chicago, IL (ORD-O'Hare Intl.) to Lisbon (LIS-Humberto Delgado) with Expedia. One-way flights generally range between $454 and $3311, and roundtrip flights usually range from $701 to $4493. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Chicago, IL (ORD-O'Hare Intl.) to Lisbon (LIS-Humberto Delgado) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Chicago, IL (ORD-O'Hare Intl.) to Lisbon (LIS-Humberto Delgado)?
February is the cheapest month to fly from Chicago (ORD) to Lisbon (LIS), with average round-trip fares around $580. This price is about 33% lower than the average throughout the year, as February often experiences lower travel demand. Other affordable months to consider are January and November.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Chicago, IL (ORD-O'Hare Intl.) to Lisbon (LIS-Humberto Delgado)?
You can fly direct from ORD to LIS on TAP Portugal, with around 7 flights per week.
What is the cheapest airline that flies from Chicago, IL (ORD-O'Hare Intl.) to Lisbon (LIS-Humberto Delgado)?
JetBlue Airways is one of the cheapest airlines offering nonstop flights from O'Hare Intl. (ORD) to Humberto Delgado (LIS), with round-trip tickets starting from around $1,091.51. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Chicago, IL (ORD-O'Hare Intl.) to Lisbon (LIS-Humberto Delgado)?
To find a cheap flight from Chicago, IL (ORD-O'Hare Intl.) to Lisbon (LIS-Humberto Delgado), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Chicago, IL (ORD-O'Hare Intl.) to Lisbon (LIS-Humberto Delgado)?
The best airline to fly with from Chicago, IL (ORD) to Lisbon (LIS) will differ from traveler to traveler. If you like to fly early, TAP Portugal offers early morning flights. If price is the most important factor, TAP Portugal typically offers the lowest fares. United offers the most daily flights from ORD to LIS, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Chicago, IL (ORD-O'Hare Intl.) to Lisbon (LIS-Humberto Delgado)?
The best time to fly from Chicago, IL (ORD) to Lisbon (LIS) is in January or February. These months typically offer return flights at around $580, making them the cheapest options. Traveling during this time means fewer crowds and a chance to explore Lisbon's attractions at a more leisurely pace.*Prices based on flights available on Expedia in the last year.
How many flights per day from Chicago, IL (ORD-O'Hare Intl.) to Lisbon (LIS-Humberto Delgado)?
You can find approximately 1 nonstop flights per day from O'Hare Intl. (ORD) to Humberto Delgado (LIS). For more options, look at flights that include layovers.
What is the earliest flight from Chicago, IL (ORD-O'Hare Intl.) to Lisbon (LIS-Humberto Delgado)?
The earliest flight from O'Hare International Airport (ORD) in Chicago to Humberto Delgado Airport (LIS) in Lisbon typically departs at 5:00 AM, operated by American Airlines. This early flight can help you maximize your time exploring Lisbon. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Chicago, IL (ORD-O'Hare Intl.) to Lisbon (LIS-Humberto Delgado)?
The most popular departure times for flights from Chicago (ORD) to Lisbon (LIS) are in the late afternoon, from 3pm to 6pm. About 36% of passengers prefer this time window. Many major carriers, including Air Canada, United Airlines, and American Airlines, operate flights during this period. This timing is popular because it allows you to maximize your day in Chicago before your evening flight.
How long does it take to fly from Chicago, IL (ORD-O'Hare Intl.) to Lisbon (LIS-Humberto Delgado)?
Direct flights from ORD to LIS usually take about 8 hours, traveling roughly 4,000 miles. If you opt for a connecting flight, expect to add around 5 hours 20 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Chicago, IL (ORD-O'Hare Intl.) to Lisbon (LIS-Humberto Delgado)?
Business class is available on flights from ORD to LIS. Airlines that offer business class service on this route include:

  • United Airlines
  • Lufthansa
  • Iberia
  • Icelandair
  • Air Canada
  • Air France
  • Turkish Airlines
  • Swiss International Air Lines
  • British Airways
  • TAP Portugal

First class cabins are available on:

  • Swiss International Air Lines
  • United Airlines
  • Lufthansa

How much is a business class flight from Chicago, IL (ORD-O'Hare Intl.) to Lisbon (LIS-Humberto Delgado)?
A direct, return business class ticket from Chicago (ORD) to Lisbon (LIS) typically costs between $6,228 - $7,904. A non-stop, one-way business class flight is usually around $3,819 - $3,907. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Chicago, IL (ORD-O'Hare Intl.) to Lisbon (LIS-Humberto Delgado) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Chicago, IL (ORD-O'Hare Intl.) to Lisbon (LIS-Humberto Delgado) flight with Expedia?
It's easy to earn miles on a Chicago, IL (ORD-O'Hare Intl.) to Lisbon (LIS-Humberto Delgado) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Lisbon from O'Hare Intl. (ORD)?
If you're planning to travel to Lisbon from O'Hare Intl. (ORD), you can fly into Humberto Delgado (LIS) Some flights may connect through major hubs like Logan Intl. (BOS), Liberty Intl. (EWR), John F. Kennedy Intl. (JFK) before reaching Lisbon. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Chicago, IL (ORD-O'Hare Intl.) to Lisbon (LIS-Humberto Delgado) at the last minute?
Typically, booking a last minute flight from Chicago, IL (ORD-O'Hare Intl.) to Lisbon (LIS-Humberto Delgado) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Chicago, IL (ORD-O'Hare Intl.) to Lisbon (LIS-Humberto Delgado) flight and hotel package?
Securing a Chicago, IL (ORD-O'Hare Intl.) to Lisbon (LIS-Humberto Delgado) Lisbon Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Chicago, IL (ORD-O'Hare Intl.) to Lisbon (LIS-Humberto Delgado)?
If you booked your Chicago, IL (ORD-O'Hare Intl.) to Lisbon (LIS-Humberto Delgado) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

*Flight schedules are subject to change.

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*Available to One Key members.