Cheap flight tickets from Chicago to Lisbon

Compare Chicago 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 to Lisbon

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

Find the cheapest month to fly from Chicago to Lisbon

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

Direct flights from Chicago to Lisbon

Chicago to Lisbon: Alternative routes

Compare routes from Chicago 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 foundRM1,876
Cheapest month to flyFebruary
Average flight time8 hrs, 4 mins
Most popular airlineTAP Air Portugal
Average flights per week16

Finding cheap flights from Chicago to Lisbon: Frequently asked questions

The best price we found for a return flight from Chicago to Lisbon is RM1,876. 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 4 minutes is the average flight time from Chicago to Lisbon.
TAP Air Portugal and jetBlue fly direct from Chicago to Lisbon.
As of February 2026, there are 16 flights per week flying from Chicago to Lisbon.
The cheapest month to fly from Chicago to Lisbon is usually February.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Chicago to Lisbon Airport on Tuesday, 24 February 2026.
Yes – the average flight time is 8 hours and 4 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.

Travelling from Chicago to Lisbon Portela Airport (LIS): What you need to know

  • Chicago is home to a couple of airports that set the stage for your next getaway. Explore your options for reserving a flight from Chicago to Lisbon Portela Airport (LIS) heading out from O'Hare International Airport (ORD) or Chicago Midway International Airport (MDW).

  • 7 hours 55 minutes is the average journey time for a direct Chicago to Lisbon Portela Airport flight.

  • Lisbon Portela Airport is located in Lisbon. The city is in the UTC+0 timezone and is five hours ahead of Chicago.

  • You can choose from 4 direct flights each week between O'Hare International Airport (ORD) and Lisbon Portela Airport (LIS). This is the busiest route, with TAP Portugal offering a 6pm departure from ORD to LIS.

  • To ensure you catch your flight from Chicago to LIS, allow plenty of time for things like check-in and baggage drop. Turning up two hours before international departures and an hour before domestic flights is the general travel rule.

  • During high season, allow for longer queues and arrive earlier. Aim for at least two hours ahead for domestic flights and up to four hours for international journeys.

Airports in Chicago

O'Hare International Airport (ORD)

  • You can jump on a direct flight from Chicago to Lisbon Portela Airport (LIS) departing from O'Hare International Airport (ORD).

  • You can lock in a direct flight from Chicago to Lisbon Portela Airport with TAP Portugal. This top airline offers services from ORD.

  • The preferred airline for passengers flying between ORD and LIS is TAP Portugal.

  • The carrier with the best on-time arrival rate on this route is TAP Portugal.

  • Think about adding a stopover to find cheap flights from Chicago to LIS. Just uncheck 'Direct flights only' when searching for departures from O'Hare International Airport (ORD). Slip in a stop (and skip the high fares) by flying through one of these airports:

    • Logan International Airport (BOS)

    • Philadelphia International Airport (PHL)

    • Washington Dulles International Airport (IAD)

  • Located around 40 kilometres from central Chicago, ORD can be reached in about 35 minutes by car, depending on traffic. The journey on public transport is roughly 55 minutes.

  • Want a relaxed start to your break? Stay near O'Hare International Airport. Whether you're catching an early flight from Chicago to Lisbon Portela Airport or prefer not to rush, these hotels are the answer:

  • 74.85% of flights that take off from O'Hare International Airport arrive at their destination on time.

  • ORD is located at 10000 West O'Hare.

Chicago Midway International Airport (MDW)

  • Maximise your holiday with a stopover on your flight from Chicago to Lisbon Portela Airport. Logan International Airport (BOS) is a great option between Chicago Midway International Airport and LIS.

  • You can arrive at MDW from the centre of Chicago in about 20 minutes by car (depending on traffic). The ride on public transport takes roughly 45 minutes to travel the 19 kilometres or so.

  • Get a head start on your holiday with an additional night away from home. Before your Chicago to LIS flight, kick back in one of these hotels close to Chicago Midway International Airport:

  • 77.88% of flights out of Chicago Midway International Airport arrive within the expected time frame.

  • The street address for MDW is 5700 South Cicero.

Chicago Rockford International Airport (RFD)

  • The trip to RFD from central Chicago is around 4 hours 15 minutes on public transport. If you're in a car, it'll take you about 1 hour 25 minutes to cover the 137 kilometres or so.

  • Sleep a little longer, move a little slower, and still make your Chicago to Lisbon Portela Airport flight with plenty of time to spare. These hotels near Chicago Rockford International Airport make getting to the terminal a breeze if you're flying out early:

  • Flights that take off from RFD arrive at their final stop as scheduled 76.19% of the time.

  • The address of Chicago Rockford International Airport is 2 Airport Cir.

About Lisbon Portela Airport (LIS)

Getting from Lisbon Portela Airport (LIS) to central Lisbon

  • Lisbon Portela Airport is around 6 kilometres from central Lisbon. How long it takes to get there by car hire or cab depends on the time of day. Do a little research before you go.

  • If you're travelling on public transport, expect a journey time of about 1 hour.

How to find the cheapest flights from Chicago to Lisbon Portela Airport (LIS)

  • RM1,260 is the lowest price for a one-way ticket from Chicago to Lisbon Portela Airport. A return flight starts from RM1,876. These fares can change depending on demand and availability.

  • Score cheap flights from Chicago to LIS by booking five months ahead. Based on our research, that's the ideal time frame for landing a bargain.

  • The best month for finding cheap Chicago to Lisbon Portela Airport tickets is October. Use the 'Whole month' tool to compare flight prices, then choose the dates that offer the biggest savings.

  • There's no need to search every day to find out if fares have dropped when you create a Price Alert. We'll notify you when a lower fare pops up on plane tickets from Chicago to LIS.

  • Bag the best deal on a flight from Chicago to Lisbon Portela Airport with the help of the filters. Pick your ideal departure and arrival times, number of stops and airlines. You can also sort your results by 'Cheapest,' 'Fastest' or 'Best.'

The best time to fly from Chicago to Lisbon Portela Airport (LIS)

  • February is the quietest month for flights from Chicago to Lisbon Portela Airport (LIS), while June is the busiest. Work out the ideal time to visit Lisbon based on whether you prefer a laid-back vibe or a lively atmosphere.

  • The warmest month in Lisbon is August, with temperatures ranging between 16ºC (61ºF) and 29ºC (84ºF). Lock in your Chicago to LIS plane ticket then if you enjoy this type of weather.

  • Look for cheap tickets from Chicago to Lisbon Portela Airport in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 8ºC (46ºF) and 16ºC (61ºF).

More about Lisbon

  • Once you've booked your flight from Chicago to Lisbon Portela Airport, find a hotel that keeps you close to what you want to see. Make one of these accommodation options your base for exploring Lisbon:

  • Belém and Pasteis de Belém are just two of the popular attractions to add to your Lisbon travel itinerary. Keep the sightseeing going at Real Mosteiro de Santa Maria de Belém.

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 best attractions include Ribeira District, Rio Douro and Livraria Lello.

  • Coimbra is another favourite destination in Portugal and is around 177 kilometres north of Lisbon. No journey is complete without seeing Biblioteca Joanina, Old Cathedral of Coimbra (Se Velha de Coimbra) and Mesquita de Coimbra.

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