£479 Cheap Flights from Lisbon (LIS) to Portland (PDX)

View £479 flight on Tue, 22 Jul 2025Opens in a new window

Popular airlines from Humberto Delgado Airport (LIS) to Portland International Airport (PDX)

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Cheap Flights from Lisbon (LIS) to Portland (PDX)

Prices were available within the past 7 days and start at £479 for one-way flights and £647 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Tue, 10 Feb - Tue, 24 Feb
LIS
Lisbon
PDX
Portland
£647 Return, found 3 days ago
£647
Return
found 3 days ago
Select Lufthansa flight, departing Tue, 10 Feb from Lisbon to Portland, returning Tue, 24 Feb, priced at £647 found 3 days ago
Lufthansa
Tue, 10 Feb - Tue, 24 Feb
LIS
Lisbon
PDX
Portland
£656 Return, found 3 days ago
£656
Return
found 3 days ago
Select Lufthansa flight, departing Tue, 10 Feb from Lisbon to Portland, returning Tue, 24 Feb, priced at £656 found 3 days ago
Lufthansa
Tue, 10 Feb - Tue, 24 Feb
LIS
Lisbon
PDX
Portland
£657 Return, found 3 days ago
£657
Return
found 3 days ago
Select Lufthansa flight, departing Tue, 10 Feb from Lisbon to Portland, returning Tue, 24 Feb, priced at £657 found 3 days ago
Lufthansa
Tue, 10 Feb - Tue, 24 Feb
LIS
Lisbon
PDX
Portland
£658 Return, found 3 days ago
£658
Return
found 3 days ago
Select Lufthansa flight, departing Tue, 10 Feb from Lisbon to Portland, returning Tue, 24 Feb, priced at £658 found 3 days ago
Air Canada
Tue, 10 Feb - Tue, 24 Feb
LIS
Lisbon
PDX
Portland
£662 Return, found 3 days ago
£662
Return
found 3 days ago
Select Air Canada flight, departing Tue, 10 Feb from Lisbon to Portland, returning Tue, 24 Feb, priced at £662 found 3 days ago
Lufthansa
Tue, 10 Feb - Tue, 24 Feb
LIS
Lisbon
PDX
Portland
£664 Return, found 3 days ago
£664
Return
found 3 days ago
Select Lufthansa flight, departing Tue, 10 Feb from Lisbon to Portland, returning Tue, 24 Feb, priced at £664 found 3 days ago
Brussels Airlines
Tue, 10 Feb - Tue, 24 Feb
LIS
Lisbon
PDX
Portland
£670 Return, found 3 days ago
£670
Return
found 3 days ago
Select Brussels Airlines flight, departing Tue, 10 Feb from Lisbon to Portland, returning Tue, 24 Feb, priced at £670 found 3 days ago
Air Canada
Tue, 10 Feb - Tue, 24 Feb
LIS
Lisbon
PDX
Portland
£670 Return, found 3 days ago
£670
Return
found 3 days ago
Select Air Canada flight, departing Tue, 10 Feb from Lisbon to Portland, returning Tue, 24 Feb, priced at £670 found 3 days ago
Swiss International Air Lines
Tue, 10 Feb - Tue, 24 Feb
LIS
Lisbon
PDX
Portland
£678 Return, found 3 days ago
£678
Return
found 3 days ago
Select Swiss International Air Lines flight, departing Tue, 10 Feb from Lisbon to Portland, returning Tue, 24 Feb, priced at £678 found 3 days ago
Air France
Tue, 10 Feb - Tue, 24 Feb
LIS
Lisbon
PDX
Portland
£691 Return, found 3 days ago
£691
Return
found 3 days ago
Select Air France flight, departing Tue, 10 Feb from Lisbon to Portland, returning Tue, 24 Feb, priced at £691 found 3 days ago

Find the cheapest month to fly from Lisbon (LIS) to Portland (PDX)

February is typically the cheapest month to fly

From £463 - £676 per traveller.

Graph displaying average flight prices per month

Flight from Lisbon to Portland route information
Origin airport
Humberto Delgado
Destination airport
Portland Intl.
Return price
£647
Distance
8478 km

Compare flights from Lisbon to Portland easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Lisbon to Portland. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Portland Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Humberto Delgado to Portland Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Humberto Delgado (LIS) to Portland Intl. (PDX)

The easiest way to view the best deals on flights from Lisbon to Portland today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Humberto Delgado to Portland Intl. start at just £647 and range up to £794.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Lisbon and Portland
  • booking your flight during February, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Lisbon to Portland flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Humberto Delgado to Portland Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from Lisbon/Portela Airport to PDX?
If you're travelling between Humberto Delgado Airport (LIS) and PDX Airport, round-trip journeys start from £647. This figure is based on airfares available within the last 7 days on Expedia for flights departing within the next year, so don't let a good deal pass you by. Book today and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Lisbon Airport to PDX Airport?
The majority of flights can be cancelled online, but each airline has different terms and conditions. If you do need to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from Lisbon Airport to Portland Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Lisbon Airport to Portland Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from LIS to Portland Intl. Airport (PDX)?
With around 8,500 kilometres separating Lisbon/Portela Airport and Portland Intl. Airport (PDX), your flight will be a long one. Pack wisely to make your time in the air more comfortable. Things like a sleep mask and a good neck pillow should be in your hand luggage.
Which airlines fly direct from Lisbon/Portela Airport to PDX?
If you want to travel straight from Lisbon Airport to PDX, you'll need to book a flight with at least one stop. Unfortunately, there aren't any airlines that fly directly between these airports.
Are Humberto Delgado Airport (LIS) to Portland Airport flight tickets cheaper when they're purchased at the last minute?
Fares from Lisbon Airport to PDX Airport are available up to 12 months prior to departure on Expedia. And although you may occasionally score a great last-minute deal, it's never a sure thing. Also, booking your flights well in advance means you'll have more options --- and you can avoid ending up with the dreaded middle seat! We're always updating our fares to bring you the best bargains, so keep checking in for all the latest specials.

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