Cheap Flights from Pittsburgh International (PIT) to Lisbon (LIS)

Compare Pittsburgh 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 Pittsburgh International Airport to Lisbon Airport

Looking for a cheap last-minute deal or the best return flight from Pittsburgh International Airport to Lisbon Airport? If you want to travel next month, return fares start from £571. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Pittsburgh International to Lisbon

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

Pittsburgh International to Lisbon: Alternative routes

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

Pittsburgh to Lisbon: Flight information

The things to know before you go.
Cheapest flight found£314
Cheapest month to flyAugust

Finding cheap flights from Pittsburgh International to Lisbon: Frequently asked questions

The best price we found for a return flight from Pittsburgh International to Lisbon is £540. 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.
Currently, there are no airlines that fly direct from Pittsburgh International to Lisbon. But we found flights with one or more stops from £540.
As of March 2026, there are no flights flying from Pittsburgh International to Lisbon.
The cheapest month to fly from Pittsburgh International to Lisbon is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Pittsburgh International Airport to Lisbon Airport on Tuesday, 27 October 2026.
No airlines currently offer direct flights between Pittsburgh International Airport and Lisbon Airport. Most routes have one or more stops.
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, Air France offers the cheapest flight tickets to Lisbon.

Travelling from Pittsburgh International Airport (PIT) to Lisbon Portela Airport (LIS): what you need to know

  • Lisbon is four hours ahead of Pittsburgh and is in the UTC+0 timezone.

  • Get to the airport on time so you don't miss your PIT to LIS flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to prevent a last-minute sprint to your gate.

  • Flying during a peak time like July? Major public holidays and other popular seasons can result in longer lines at check-in and security. Play things extra safe and arrive up to four hours ahead of an international flight and two hours before a domestic departure.

  • If you want to split up your journey, just deselect 'Direct flights only' when searching for your ticket from Pittsburgh International Airport to Lisbon Portela Airport. These are the top stopovers between PIT and LIS:

    • Philadelphia International Airport

    • Logan International Airport

    • Washington Dulles International Airport

How to find the cheapest flights from Pittsburgh International Airport (PIT) to Lisbon Portela Airport (LIS)

  • At the moment, £314 is the cheapest price we've found for a one-way Pittsburgh International Airport to Lisbon Portela Airport flight. The best price for a return plane ticket is £540. Remember that fares can change due to availability when booking.

  • Don't leave things to the last minute. You're more likely to find cheap tickets from PIT to LIS if you book in advance. Airlines often offer some great early bird discounts.

  • If you're willing to be flexible with your travel plans, use the 'Whole month' search function. It'll find the cheapest price in each month when searching for a flight from Pittsburgh International Airport to Lisbon Portela Airport.

  • Spend less time searching for cheap flights from PIT to LIS by setting up a Price Alert. We'll send you an email or push notification on the app when a new discounted fare appears.

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

Handy information about Pittsburgh International Airport (PIT)

  • PIT is located at 1000 Airport Boulevard.

  • Of all flights leaving Pittsburgh International Airport, 76.88% land on time at their destination.

  • Central Pittsburgh to Pittsburgh International Airport is approximately 17 miles. Depending on traffic, it'll take you about 25 minutes to get there if you're catching a cab, ride-sharing or driving.

  • Get your trip off to a relaxed start by staying near PIT. Whether you've booked an early flight from Pittsburgh International Airport to Lisbon Portela Airport or want to avoid feeling rushed, these hotels have you covered:

Arriving at Lisbon Portela Airport (LIS)

  • Consider booking a hotel near LIS if you're catching a late Pittsburgh International Airport to Lisbon Portela Airport flight. Select one of these options and make your arrival easier:

  • Grab a Lisbon Portela Airport rental car and discover Lisbon and beyond with your own set of wheels. Klass Wagen, Goldcar and OK Mobility are leading providers you can book with here.

  • Lock in the best possible rate by reserving your ride from Lisbon Portela Airport around two weeks in advance of your trip.

Getting from Lisbon Portela Airport (LIS) to central Lisbon

  • Lisbon Portela Airport to central Lisbon has a drive time of around 20 minutes. It's approximately 6 miles away.

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

When to fly to Lisbon Portela Airport (LIS)

  • The quietest month for a flight from Pittsburgh International Airport to Lisbon Portela Airport is January, while June is the busiest. Choose the ideal time to visit Lisbon based on whether you prefer a faster pace or a more relaxed vibe.

  • When reserving your flight from Pittsburgh International Airport to Lisbon Portela Airport, consider the type of weather you enjoy. August is the warmest month in Lisbon, with the temperature ranging from 16ºC (61ºF) to 29ºC (84ºF).

  • If you want cooler conditions, look for a cheap ticket from PIT to LIS in January. Average temperatures are between 8ºC (46ºF) and 16ºC (61ºF) then.

Explore more of Portugal

  • Lisbon is easy to fall in love with, but there are so many other parts of Portugal just waiting to be discovered. About 170 miles north of Lisbon, a trip to Porto will keep you on the move. Check out popular attractions like Livraria Lello, Ribeira District and The Douro River.

  • Amadora is another essential stop in Portugal and is around 5 miles north-west of Lisbon. No journey is complete without visiting 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.