Cheap Flights from Portland to Dublin

Compare Portland to Dublin flight deals

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

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Flight deals from Portland Airport to Dublin Airport

Looking for a cheap last-minute deal or the best return flight from Portland Airport to Dublin Airport? If you want to travel next month, return fares start from R 9,668. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Portland to Dublin

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

Portland to Dublin: Alternative routes

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

Portland to Dublin: Flight information

The things to know before you go.
Cheapest flight foundR 3,976
Cheapest month to flyApril

Finding cheap flights from Portland to Dublin: Frequently asked questions

The best price we found for a return flight from Portland to Dublin is R 9,324. 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 Dublin. But we found flights with one or more stops from R 9,324.
As of March 2026, there are no flights flying from Portland to Dublin.
The cheapest month to fly from Portland to Dublin is usually May.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Dublin Airport on Thursday, 7 May 2026.
No airlines currently offer direct flights between Portland Airport and Dublin 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 Dublin 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 Dublin is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Lufthansa offers the cheapest flight tickets to Dublin.

Flying from Portland International Airport (PDX) to Dublin Airport (DUB): what you need to know

  • The timezone in Dublin is UTC+0, which is seven hours ahead of Portland.

  • To ensure you catch your PDX to DUB flight, leave enough time for things like baggage drop and finding your gate. Turning up two hours before international departures and an hour before domestic flights is the general travel rule.

  • Flying during a peak month like July? Public holidays and other popular periods can lead to longer queues at check-in and security. Be extra cautious and arrive up to four hours before international flights and two hours before a domestic departure.

  • If you'd like to explore another city along the way, just uncheck 'Direct flights only' when searching for your ticket from Portland International Airport to Dublin Airport. Here are the most popular stopovers between PDX and DUB:

    • Keflavik International Airport

    • Seattle-Tacoma International Airport

    • London Heathrow Airport

How to find the cheapest flights from Portland International Airport (PDX) to Dublin Airport (DUB)

  • Right now, R 3,976 is the cheapest price we've seen for a one-way Portland International Airport to Dublin Airport flight. The best price for a return plane ticket is R 9,324. Bear in mind that fares may change due to demand when booking.

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

  • The 'Whole month' search function shows you the cheapest flights from Portland International Airport to Dublin Airport across the month. It's a good way to find a bargain if your plans aren't set in stone.

  • Getting your hands on cheap flights from PDX to DUB is a breeze with Price Alerts. Simply create one of these automatic alerts and we'll notify you when a new deal comes up.

  • Choose your ideal departure and arrival 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 Airport to Dublin Airport.

Handy information about Portland International Airport (PDX)

  • PDX is located at 7000 NE Airport Way.

  • 83.65% of flights departing from Portland International Airport touch down at their destination according to schedule. Given its impressive on-time stats, you're unlikely to be delayed when flying out of PDX.

  • Portland International Airport is about 19 kilometres from central Portland. If you're driving, ride-sharing or catching a cab from the centre, it'll take 20 minutes or so to arrive, depending on the traffic.

  • Expect a journey time of roughly 45 minutes on public transport.

  • Get your journey off to a leisurely start by staying near PDX. Whether you're taking an early flight from Portland International Airport to Dublin Airport or want to avoid feeling rushed, these stays have you covered:

Arriving at Dublin Airport (DUB)

  • If you're getting in on a late Portland International Airport to Dublin Airport flight, few things top the convenience of being close to the terminal. Collect your bags from the carousel and then be showered and sleeping not long after at one of these options near DUB:

  • Follow your own route with a Dublin Airport rental car. Pick up your wheels from Easirent, Budget or Carhire and see more of Dublin and beyond.

  • For the lowest price, reserve your ride from Dublin Airport about two weeks before you set off.

Getting from Dublin Airport (DUB) to central Dublin

  • Dublin Airport is roughly 21 kilometres from the centre of Dublin. The drive time takes about 30 minutes.

  • Travelling by public transport will take you around 2 hours 10 minutes.

When to fly to Dublin Airport (DUB)

  • It's time to work out your travel dates for your flight from Portland International Airport to Dublin Airport. August is the most popular month to visit Dublin. If you want a quieter vibe, go in January.

  • When reserving your flight from Portland International Airport to Dublin Airport, consider the type of weather you like. July is the warmest month in Dublin, with temperatures ranging from 10ºC (50ºF) to 20ºC (68ºF).

  • January sees average temperatures of between 1ºC (34ºF) and 9ºC (48ºF). Look for cheap tickets from PDX to DUB sometime around then if you like travelling in cooler conditions.

Explore more of Ireland

  • You've visited Dublin, now it's time to discover other parts of Ireland. Journey about 225 kilometres south-west to Cork to check off its top attractions. From Blarney Castle to Fota Wildlife Park and Titanic Experience Cobh, there's plenty to keep you on the go.

  • If you're interested in discovering another side of Ireland, head for Tallaght, about 10 kilometres south-west of Dublin. Church of the Incarnation, Fettercairn, 3 stuffed bears and Johnson & Perrott Fleet are key highlights.

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