$252 Cheap Flights from Chicago (ORD) to Lisbon (LIS)

View $252 flight on Sat, Aug 23, 2025Opens in a new window

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

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Chicago to Lisbon (ORD-LIS)

Prices were available within the past 7 days and start at $252 for one-way flights and $414 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Sun, Nov 16 - Sun, Nov 23
ORD
Chicago
LIS
Lisbon
$414 Roundtrip, found 14 hours ago
$414
Roundtrip
found 14 hours ago
Select Scandinavian Airlines flight, departing Sun, Nov 16 from Chicago to Lisbon, returning Sun, Nov 23, priced at $414 found 14 hours ago
United
Tue, Jan 6 - Wed, Jan 14
ORD
Chicago
LIS
Lisbon
$485 Roundtrip, just found
$485
Roundtrip
just found
Select United flight, departing Tue, Jan 6 from Chicago to Lisbon, returning Wed, Jan 14, priced at $485 just found
Air Canada
Tue, Jan 6 - Tue, Jan 13
ORD
Chicago
LIS
Lisbon
$492 Roundtrip, just found
$492
Roundtrip
just found
Select Air Canada flight, departing Tue, Jan 6 from Chicago to Lisbon, returning Tue, Jan 13, priced at $492 just found
American Airlines
Tue, Dec 2 - Wed, Dec 10
ORD
Chicago
LIS
Lisbon
$494 Roundtrip, found 4 hours ago
$494
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Tue, Dec 2 from Chicago to Lisbon, returning Wed, Dec 10, priced at $494 found 4 hours ago
Iberia
Tue, Dec 2 - Wed, Dec 10
ORD
Chicago
LIS
Lisbon
$494 Roundtrip, found 4 hours ago
$494
Roundtrip
found 4 hours ago
Select Iberia flight, departing Tue, Dec 2 from Chicago to Lisbon, returning Wed, Dec 10, priced at $494 found 4 hours ago
British Airways
Tue, Dec 2 - Wed, Dec 10
ORD
Chicago
LIS
Lisbon
$494 Roundtrip, found 4 hours ago
$494
Roundtrip
found 4 hours ago
Select British Airways flight, departing Tue, Dec 2 from Chicago to Lisbon, returning Wed, Dec 10, priced at $494 found 4 hours ago
Icelandair
Wed, Apr 15 - Sun, Apr 19
ORD
Chicago
LIS
Lisbon
$495 Roundtrip, found 6 days ago
$495
Roundtrip
found 6 days ago
Select Icelandair flight, departing Wed, Apr 15 from Chicago to Lisbon, returning Sun, Apr 19, priced at $495 found 6 days ago
Aer Lingus
Wed, Nov 26 - Tue, Jan 13
ORD
Chicago
LIS
Lisbon
$498 Roundtrip, found 17 hours ago
$498
Roundtrip
found 17 hours ago
Select Aer Lingus flight, departing Wed, Nov 26 from Chicago to Lisbon, returning Tue, Jan 13, priced at $498 found 17 hours ago
TAP Portugal
Mon, Sep 8 - Mon, Sep 15
ORD
Chicago
LIS
Lisbon
$501 Roundtrip, just found
$501
Roundtrip
just found
Select TAP Portugal flight, departing Mon, Sep 8 from Chicago to Lisbon, returning Mon, Sep 15, priced at $501 just found
Virgin Atlantic
Mon, Oct 27 - Fri, Nov 14
ORD
Chicago
LIS
Lisbon
$506 Roundtrip, found 4 days ago
$506
Roundtrip
found 4 days ago
Select Virgin Atlantic flight, departing Mon, Oct 27 from Chicago to Lisbon, returning Fri, Nov 14, priced at $506 found 4 days ago

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

November is typically the cheapest month to fly

From $449 - $929 per traveler.

Graph displaying average flight prices per month

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 $996
LIS
Humberto Delgado
Cheapest
Flights from $996
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, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
$414
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 November. 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 2025. You can also book with separate airlines for your outbound and return journeys, from $252 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 O'Hare Intl. Airport (ORD) to Humberto Delgado Airport (LIS) cost?
Pick up cheap return tickets starting at $501 from O'Hare Intl. Airport (ORD) to Humberto Delgado Airport (LIS). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a TAP Portugal flight leaving ORD on August 2 2025 and touching down at LIS. The price was last updated on July 6 2025 and has not changed since.
What is the cheapest month to fly from ORD to LIS?
The cheapest flights from ORD to LIS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from O'Hare Intl. Airport (ORD) to Humberto Delgado Airport (LIS)?
You can fly straight from O'Hare Intl. Airport (ORD) to Humberto Delgado Airport (LIS) on a TAP Portugal flight.
What is the cheapest airline that flies from ORD to LIS?
With fares starting at $279 for a one-way flight from ORD to LIS, TAP Portugal is currently the cheapest airline on this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from ORD on August 18 2025. Prices were last updated on July 6 2025 and have not changed since.
How many flights per day from O'Hare Intl. Airport (ORD) to Humberto Delgado Airport (LIS)?
On average, you can pick from 2 direct flights per week from O'Hare Intl. Airport (ORD) to Humberto Delgado Airport (LIS). For greater flexibility, consider flights with layovers. Just enter your dates on Expedia and then filter your search results to show one or more stops.
What are the most popular departure times for flights from O'Hare Intl. Airport (ORD) to Humberto Delgado Airport (LIS)?
The 8 PM departures from ORD to LIS are the top choice for many travelers. Greater demand means you'll likely pay more for these departures. If you want to save money, book during off-peak hours.
What day of the week has the most flights from ORD to LIS?
Sunday offers the most flights from O'Hare Intl. Airport (ORD) to Humberto Delgado Airport (LIS). Consider jetting off on this day and you'll have the best chance of finding a departure that fits your plans.
What is the earliest flight from O'Hare Intl. Airport (ORD) to Humberto Delgado Airport (LIS)?
O'Hare Intl. Airport (ORD)'s first flight to Humberto Delgado Airport (LIS) takes off at approximately 8:20PM UTC-6. With a total journey time of 7h 50m, you'll touch down at around 10:10AM UTC+0.
How long does it take to fly from O'Hare Intl. Airport (ORD) to Humberto Delgado Airport (LIS)?
The average flight duration from ORD to LIS is 7 hours and 50 minutes, covering a distance of 4,000 mi.
What is the best time to fly from O'Hare Intl. Airport (ORD) to Humberto Delgado Airport (LIS)?
To arrive at Humberto Delgado Airport (LIS) without delays, select a flight that takes off from O'Hare Intl. Airport (ORD) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Lisbon District from O'Hare Intl. Airport (ORD)?
If you're boarding a direct flight from O'Hare Intl. Airport (ORD) to Lisbon District, Humberto Delgado Airport (LIS) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from O'Hare Intl. Airport (ORD) to Humberto Delgado Airport (LIS) last-minute?
Last-minute fares from ORD to LIS are typically more expensive. To lock in the best prices, start looking for flights early. That said, if you're flexible with your travel dates, you may find a cheap ticket right before your journey.
Is it cheaper to book an ORD to LIS flight and hotel package?
Opting for an ORD to LIS flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Pick from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Humberto Delgado Airport (LIS)?
Generally, it's possible to cancel or reschedule your ORD to LIS flight. However, if it's been more than 24 hours since booking, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.