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Cheap flights from Porto to Portland

Compare Porto to Portland flight deals

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

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Flight deals from Porto to Portland

Looking for a cheap last-minute deal or the best return flight from Porto to Portland? Find the lowest prices on one-way and return tickets right here.
Portland.$807 per passenger.Departing Mon, 18 May.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Porto on Mon, 18 May, arriving in Portland.Price includes taxes and charges.From $807, select.
Portland.$865 per passenger.Departing Sat, 19 Sep.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Porto on Sat, 19 Sep, arriving in Portland.Price includes taxes and charges.From $865, select.
Portland.$1,136 per passenger.Departing Tue, 18 Aug.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Porto on Tue, 18 Aug, arriving in Portland.Price includes taxes and charges.From $1,136, select.
Portland.$1,139 per passenger.Departing Sun, 4 Oct.One-way flight with Delta.Outbound indirect flight with Delta, departs from Porto on Sun, 4 Oct, arriving in Portland.Price includes taxes and charges.From $1,139, select.
Portland.$1,176 per passenger.Departing Sun, 26 Jul.One-way flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Porto on Sun, 26 Jul, arriving in Portland.Price includes taxes and charges.From $1,176, select.
Portland.$1,279 per passenger.Departing Mon, 23 Mar.One-way flight with United.Outbound indirect flight with United, departs from Porto on Mon, 23 Mar, arriving in Portland.Price includes taxes and charges.From $1,279, select.

Find the cheapest month to fly from Porto to Portland

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Porto to Portland flights are currently cheapest in May.
Feb
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Mar
from $1,279
Apr
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May
from $807
Jun
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Jul
from $1,176
Aug
from $1,136
Sep
from $865
Oct
from $1,139
Nov
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Dec
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Jan
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Porto to Portland: Alternative routes

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

Portland

10km from central Portland
ClosestCheapest
from $807
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Salem

72km from central Portland
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Porto to Portland: Flight information

The things to know before you go.
Cheapest flight found$807
Cheapest month to flyMay

Finding cheap flights from Porto to Portland: Frequently asked questions

The best price we found for a return flight from Porto to Portland is $1,092. 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 Porto to Portland. But we found flights with one or more stops from $1,092.
As of February 2026, there are no flights flying from Porto to Portland.
The cheapest month to fly from Porto to Portland is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Porto Airport to Portland Airport on Thursday, 2 April 2026.
No airlines currently offer direct flights between Porto Airport and Portland 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 Portland 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.
Currently, KLM offers the cheapest flight tickets to Portland.

Travelling from Porto Airport (OPO) to Portland International Airport (PDX): what you need to know

  • The timezone in Portland is UTC-7, which is seven hours behind Porto.

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This ensures you have enough time to catch your OPO to PDX flight.

  • During popular months like August, it's a good idea to get to the airport even earlier. Arrive two hours before a domestic departure and four hours ahead of an international flight whenever you're flying during a high season in general.

  • We make it a cinch to book a flight with a stopover. To see your options for tickets from Porto Airport to Portland International Airport, uncheck 'Direct flights only.' Then, pick a flight that has a stop long enough to explore the city of your choice. Some great stopovers between OPO and PDX include:

    • Amsterdam Airport Schiphol

    • Frankfurt Airport

    • John F. Kennedy International Airport

How to find the cheapest flights from Porto Airport (OPO) to Portland International Airport (PDX)

  • The lowest price we've found for a one-way Porto Airport to Portland International Airport flight is $807. A return fare is currently $1,092. Depending on the availability and when you book, these fares can change.

  • To find cheap tickets from OPO to PDX, book as early as you can. Airlines typically offer the most competitive fares when flights are first released.

  • If you can be flexible with your travel dates, use the 'Whole month' tool. It'll find the cheapest price across every month when searching for your flight from Porto Airport to Portland International Airport.

  • Cut down on the time spent looking for cheap flights from OPO to PDX by creating a Price Alert. You'll receive an email or notification on the app when a new low fare is offered.

  • Tailor your flights using filters. Pick your preferred arrival and departure times, total journey duration and airlines. You can also sort the results by 'Best,' 'Cheapest' or 'Fastest' flights from Porto Airport to Portland International Airport.

Handy information about Porto Airport (OPO)

  • 74.49% of flights leaving from Porto Airport land at their destination on time.

  • Porto Airport is about 16 kilometres from central Porto. If you're catching a cab, ride-sharing or driving from the centre, it'll take you 20 minutes or so to arrive, depending on the traffic.

  • Catching public transport? You can expect a journey time of around 50 minutes.

  • Have an early flight from Porto Airport to Portland International Airport? Avoid rushing to the airport (and catch some extra z's) by picking one of these hotels near OPO:

Arriving at Portland International Airport (PDX)

Getting from Portland International Airport (PDX) to central Portland

  • The street address for PDX is 7000 NE Airport Way.

  • Portland International Airport to the centre of Portland has a drive time of about 20 minutes. It's approximately 19 kilometres away.

  • If you're travelling by public transport, expect a journey of roughly 45 minutes.

When to fly to Portland International Airport (PDX)

  • The quietest month for a flight from Porto Airport to Portland International Airport is May, while July is the busiest. Choose the ideal time to visit Portland based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • The warmest month in Portland is August, with temperatures ranging between 12ºC (54ºF) and 31ºC (88ºF). Book your flights from Porto Airport to Portland International Airport in this month if you like this kind of weather.

  • If you want to travel in cooler conditions, search for a cheap ticket from OPO to PDX in December. Average temperatures are between 0ºC (32ºF) and 9ºC (48ºF) then.

Explore more of United States

  • You've seen Portland, now it's time to discover other parts of United States. Travel about 241 kilometres north to Seattle to check off its popular sights. From Greyhound: Bus Station to LMN Architects and Boeing Radiation Effects Lab, you'll have a full itinerary ahead.

  • If there's time to check out another corner of United States, head for Spokane, roughly 467 kilometres north-east of Portland. Manito Park, Northwest Museum of Arts & Culture and Spokane Falls are among its highlights.

Plan the rest of your trip from Porto to Portland

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