Cheap Flights from Chicago O'Hare International to Lisbon

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Compare Chicago O'Hare International to Lisbon flight deals

Find the cheapest month or even day of the year to fly to Lisbon

Book the best Lisbon fare with no extra fees

Flight deals from Chicago O'Hare International to Lisbon

Looking for a cheap last-minute deal or the best return flight from Chicago O'Hare International to Lisbon? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Chicago O'Hare International to Lisbon

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago O'Hare International to Lisbon flights are currently cheapest in April.

Direct flights from Chicago O'Hare International to Lisbon

Chicago O'Hare International to Lisbon: Alternative routes

Compare routes from Chicago O'Hare International to Lisbon below. You may find an airport to fly into that's cheaper, faster, or easier than Lisbon.

Chicago to Lisbon: Flight information

The things to know before you go.
Cheapest flight foundج.م.‏ 12,672
Cheapest month to flyApril
Average flight time7 hrs, 54 mins
Most popular airlineTAP Air Portugal
Average flights per week9

Finding cheap flights from Chicago O'Hare International to Lisbon: Frequently asked questions

The best price we found for a return flight from Chicago O'Hare International to Lisbon is ج.م.‏ 26,230. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
7 hours and 54 minutes is the average flight time from Chicago O'Hare International to Lisbon.
TAP Air Portugal and jetBlue fly direct from Chicago O'Hare International to Lisbon.
As of March 2025, there are 9 flights per week flying from Chicago O'Hare International to Lisbon.
The cheapest month to fly from Chicago O'Hare International to Lisbon is usually March 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chicago O'Hare International Airport to Lisbon Airport on Saturday, 23 August 2025.
Yes – the average flight time is 7 hours and 54 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Lisbon but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Lisbon is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Icelandair and TAP Air Portugal offer the cheapest flight tickets to Lisbon.

Travelling from O'Hare International Airport (ORD) to Lisbon Portela Airport (LIS): what you need to know

  • 7 hours 56 minutes is the average length of a direct flight from O'Hare International Airport to Lisbon Portela Airport. Lisbon is 5 hours ahead of Chicago and operates on the UTC+0 timezone.

  • Flights from O'Hare International Airport to Lisbon Portela Airport start from 02:15 — the first with TAP Portugal. The latest flight in the day is the 21:55 service with TAP Portugal. In total, there are 4 services every week from ORD to LIS.

  • You'll likely experience bigger queues in popular months such as August and other peak periods. Arriving up to fours hours ahead of an international flight and two hours for a domestic departure will help ensure a smooth travel experience.

  • If you'd like to have a stopover for your flight from O'Hare International Airport to Lisbon Portela Airport, just deselect 'Direct flights only' and look through your options. These are the top stopovers between ORD and LIS:

    • Washington Dulles International Airport

    • Philadelphia International Airport

    • Logan International Airport

How to find the cheapest flights from O'Hare International Airport (ORD) to Lisbon Portela Airport (LIS)

  • ج.م.‏ 12,672 is currently the best price for a one-way ticket from O'Hare International Airport to Lisbon Portela Airport. Return flights start at ج.م.‏ 26,230. These prices may change depending on demand and availability.

  • To score cheap flight tickets from ORD to LIS, reserve your journey 2 months before your planned departure.

  • October is the cheapest month for flight tickets from O'Hare International Airport to Lisbon Portela Airport. If you're looking to travel at a different time of year, the 'Whole month' tool will show you the lowest prices for each month.

  • Finding a cheap ticket from ORD to LIS is straightforward with Price Alerts. Simply set up one of these automatic alerts and we'll notify you as soon as there's a better deal.

  • Use filters to tailor your flights from O'Hare International Airport to Lisbon Portela Airport. Select your preferred arrival and departure times, airlines and number of stops. Or sort your results by 'Cheapest' to see the best deals.

Handy information about O'Hare International Airport (ORD)

Arriving at Lisbon Portela Airport (LIS)

Getting from Lisbon Portela Airport (LIS) to central Lisbon

  • Lisbon Portela Airport is approximately 10 kilometres from the centre of Lisbon. With a cab or in your own car rental, the drive is about 22 minutes.

  • Getting there by public transport typically takes 59 minutes.

When to fly to Lisbon Portela Airport (LIS)

  • It's time to choose your travel dates for your flight from O'Hare International Airport to Lisbon Portela Airport. June is the most popular month to visit Lisbon. If you want a more relaxed vibe, go in February.

  • Book your flight from O'Hare International Airport to Lisbon Portela Airport for August if you'd like to go to Lisbon during its warmest month. You can expect temperatures of between 16 ºC and 29 ºC.

  • Look for cheap flight tickets from ORD to LIS in January if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between 8 ºC and 16 ºC on average.

More about Lisbon

Complete your Lisbon trip with hotels and a car rental

  • Once you've secured your cheap ticket to Lisbon Portela Airport, discover the lowest prices and exclusive offers on hotels. You can also compare a range of car rental companies in one place to find the best car rental price for your Lisbon escape.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.