Cheap Flights from Portland to Lisbon

Compare Portland 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 Portland Airport to Lisbon Airport

Looking for a cheap last-minute deal or the best return flight from Portland Airport to Lisbon Airport? If you want to travel next month, return fares start from R 21,691. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Portland to Lisbon

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

Portland to Lisbon: Alternative routes

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

Portland to Lisbon: Flight information

The things to know before you go.
Cheapest flight foundR 6,610
Cheapest month to flyJuly

Finding cheap flights from Portland to Lisbon: Frequently asked questions

The best price we found for a return flight from Portland to Lisbon is R 12,961. 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 Portland to Lisbon. But we found flights with one or more stops from R 12,961.
As of April 2026, there are no flights flying from Portland to Lisbon.
The cheapest month to fly from Portland to Lisbon is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Lisbon Airport on Sunday, 12 April 2026.
No airlines currently offer direct flights between Portland 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, Delta offers the cheapest flight tickets to Lisbon.

Flying from Portland International Jetport Airport (PWM) to Lisbon Portela Airport (LIS): what you need to know

  • Lisbon's timezone is UTC+0, making Lisbon four hours ahead of Portland.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Make sure you're at the airport on time to board your PWM to LIS flight.

  • You can expect bigger queues in popular months like August. Arriving up to four hours in advance for international flights and two hours for a domestic departure is a good idea.

  • We make it simple to book a flight with a stopover. To see all your options for tickets from Portland International Jetport Airport to Lisbon Portela Airport, deselect 'Direct flights only.' Then, pick a flight that has a stop long enough to visit your chosen city. Popular stopovers between PWM and LIS include:

    • Washington Dulles International Airport

    • Newark Liberty International Airport

    • Philadelphia International Airport

How to find the cheapest flights from Portland International Jetport Airport (PWM) to Lisbon Portela Airport (LIS)

  • At the moment, R 6,610 is the cheapest price we've found for a one-way Portland International Jetport Airport to Lisbon Portela Airport flight. The best price for a return plane ticket is R 12,961. Remember that fares could change due to availability at the time of booking.

  • Don't leave everything to the last moment. You're more likely to get cheap tickets from PWM to LIS if you book ahead. Airlines often offer some amazing early bird deals.

  • If you're willing to be flexible with your travel plans, use the 'Whole month' tool. It'll show you the lowest price across every month when looking for a flight from Portland International Jetport Airport to Lisbon Portela Airport.

  • Landing cheap flights from PWM to LIS is a breeze with Price Alerts. All you need to do is create one of these automatic alerts and we'll get in touch as soon as there's a better deal.

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

Handy information about Portland International Jetport Airport (PWM)

  • PWM's address is 1001 Westbrook Street.

  • 82.15% of flights departing from Portland International Jetport Airport land at their destination according to schedule. Given its strong on-time stats, disruptions are unlikely when flying out of PWM.

  • Portland International Jetport Airport is about 8 kilometres from central Portland. If you're driving, ride-sharing or catching a cab from the centre, it'll take you 15 minutes or so to get there, depending on the traffic.

  • You can expect a journey time of about 40 minutes when using public transport.

  • Taking an early flight from Portland International Jetport Airport to Lisbon Portela Airport? Avoid rushing to the terminal (and sneak in some extra snooze time) by choosing one of these hotels near PWM:

Arriving at Lisbon Portela Airport (LIS)

  • The last thing you need is a lengthy trip to your hotel if you're getting in late on a Portland International Jetport Airport to Lisbon Portela Airport flight. Reserve one of these accommodation options near LIS instead:

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

  • Lock in the best possible rate by reserving your vehicle from Lisbon Portela Airport about two weeks before your departure date.

Getting from Lisbon Portela Airport (LIS) to central Lisbon

  • Lisbon Portela Airport is approximately 10 kilometres from central Lisbon. The drive time takes about 20 minutes.

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

When to fly to Lisbon Portela Airport (LIS)

  • The quietest month for a flight from Portland International Jetport Airport to Lisbon Portela Airport is January, while June is the busiest. Pick the best time to visit Lisbon based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • Book your flight from Portland International Jetport Airport to Lisbon Portela Airport for August if you want to explore Lisbon during its warmest month. You can expect temperatures of between 16ºC (61ºF) and 29ºC (84ºF).

  • January has average temperatures of between 8ºC (46ºF) and 16ºC (61ºF). Search for cheap tickets from PWM to LIS sometime around then if you want to travel when it's cooler.

Explore more of Portugal

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

  • Amadora is another must-experience destination in Portugal and is around 8 kilometres north-west of Lisbon. No journey is complete without experiencing 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.