Cheap Flights from Chicago O'Hare International to Lisbon

Compare Chicago O'Hare International to Lisbon flight deals

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

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Flight deals from Chicago O'Hare International Airport to Lisbon Airport

Looking for a cheap last-minute deal or the best return flight from Chicago O'Hare International Airport to Lisbon Airport? If you want to travel next month, return fares start from R 9,543. 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 foundR 4,828
Cheapest month to flyApril
Average flight time8 hrs, 6 mins
Most popular airlineTAP Air Portugal
Average flights per week10

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 R 9,498. 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.
8 hours and 6 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 2026, there are 10 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 November.
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 Wednesday, 25 November 2026.
Yes – the average flight time is 8 hours and 6 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, Scandinavian Airlines 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

  • Jump on a direct flight from O'Hare International Airport to Lisbon Portela Airport and you'll be travelling for an average of 7 hours 55 minutes.

  • Lisbon's timezone is UTC+0, which makes Lisbon five hours ahead of Chicago.

  • Flights from ORD to LIS start from 02:15 — the earliest with TAP Portugal. The last service of the day is at 21:55 with TAP Portugal. In total, you can take your pick of four weekly O'Hare International Airport to Lisbon Portela Airport flights.

  • To ensure you get on your ORD to LIS flight, allow plenty of time for things like check-in and baggage drop. Arriving two hours ahead of international departures and an hour before domestic flights is the standard rule.

  • You'll likely experience longer queues in popular months like August. Arriving up to four hours in advance for an international flight and two hours for domestic departures is a good idea.

  • TAP Portugal offers direct flights from O'Hare International Airport to Lisbon Portela Airport. Book with this popular airline, then get ready to discover the sights in Lisbon — and maybe even more of Portugal if your schedule allows.

  • Most travellers choose to travel with TAP Portugal on this route.

  • Among carriers operating ORD to LIS flights, TAP Portugal has the highest percentage of on-time landings.

  • If you want to explore another city along the way, just deselect 'Direct flights only' when searching for your ticket from O'Hare International Airport to Lisbon Portela Airport. Here are the most popular stopovers between ORD and LIS:

    • Philadelphia International Airport

    • Logan International Airport

    • Washington Dulles International Airport

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

  • Currently, R 4,828 is the lowest price we've seen for a one-way O'Hare International Airport to Lisbon Portela Airport flight. The best price for a return plane ticket is R 9,498. Remember that fares may change due to demand at the time of booking.

  • To pick up cheap tickets from ORD to LIS, book your journey 11 months ahead of your departure date.

  • Schedule your trip for October. That's the cheapest month for flights from O'Hare International Airport to Lisbon Portela Airport. If you have flexibility with your dates, use the 'Whole month' tool to see the cheapest price across each month.

  • Landing cheap flights from ORD to LIS couldn't be easier with Price Alerts. Simply create one of these automatic alerts and we'll notify you when there's a better deal.

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

Handy information about O'Hare International Airport (ORD)

  • ORD is located at 10000 West O'Hare.

  • When it comes to the on-time performance of O'Hare International Airport, 74.85% of flights arrive within the expected timeframe.

  • Central Chicago to O'Hare International Airport is approximately 40 kilometres. Depending on traffic, it'll take you about 35 minutes to get there if you're catching a cab, ride-sharing or driving.

  • Expect a trip time of about 55 minutes when using public transport.

  • Need a handy hotel near ORD? If you're boarding an early flight from O'Hare International Airport to Lisbon Portela Airport, these stays will put you moments from your departure lounge:

Arriving at Lisbon Portela Airport (LIS)

  • The last thing you want is a long trip to your hotel if you're getting in late on an O'Hare International Airport to Lisbon Portela Airport flight. Book one of these accommodation options near LIS instead:

  • Pick up a Lisbon Portela Airport rental car and explore Lisbon and beyond with your own wheels. Klass Wagen, Goldcar and OK Mobility are top outlets you can book with here.

  • Reserving your ride from Lisbon Portela Airport about two weeks ahead gives you the best chance of locking in a great deal.

Getting from Lisbon Portela Airport (LIS) to central Lisbon

  • From Lisbon Portela Airport, Lisbon is approximately 10 kilometres away. It takes around 20 minutes to reach the centre driving.

  • Getting there by public transport takes about 1 hour.

When to fly to Lisbon Portela Airport (LIS)

  • June is the most popular month for flights from O'Hare International Airport to Lisbon Portela Airport. To steer clear of the crowds, go to Lisbon in January.

  • The warmest month in Lisbon is August, with temperatures ranging between 16ºC (61ºF) and 29ºC (84ºF). Lock in your flights from O'Hare International Airport to Lisbon Portela Airport in this month if this is the kind of weather you like.

  • Look for cheap tickets from ORD to LIS in January if you want to travel in cooler conditions. Temperatures are at their lowest around then, ranging between 8ºC (46ºF) and 16ºC (61ºF) on average.

Explore more of Portugal

  • Porto is just one of the many cities in Portugal waiting to be explored once you've seen the sights of Lisbon. Around 274 kilometres away to the north, its top attractions include Livraria Lello, Ribeira District and The Douro River.

  • Around 8 kilometres north-west of Lisbon, Amadora is another essential stop in Portugal. Experience this destination's highlights firsthand at Jardim Porta do Viveiro Alfragide, Jardim Caracol do Victor Alfragide and Jardim e estatua Eduardo Jorge.

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