Cheap Flights from Portland to Dublin

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      Travellers and cabin class, 1 Adult, Economy

      Compare Portland to Dublin flight deals

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

      Book the best Dublin fare with no extra fees

      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 January.

      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 6,061
      Cheapest month to flyJanuary

      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 11,429. 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 11,429.
      As of August 2026, there are no flights flying from Portland to Dublin.
      The cheapest month to fly from Portland to Dublin is usually February.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Dublin Airport on Friday, 12 February 2027.
      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, Delta offers the cheapest flight tickets to Dublin.

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

      • Dublin is five hours ahead of Portland and follows the UTC+0 timezone.

      • To ensure you catch your PWM to DUB flight, leave enough time to check in and drop off your luggage. Turning up two hours before international departures and an hour before domestic flights is the standard rule.

      • Heading off during a peak time like public or school holidays? Expect longer queues at check-in and security. Give yourself extra leeway and arrive up to four hours before international flights and two hours before domestic departures.

      • If you want to split up your journey, just deselect 'Direct flights only' when searching for your ticket from Portland Airport to Dublin Airport. These are the most popular stopovers between PWM and DUB:

        • New York John F. Kennedy Airport

        • New York Newark Airport

        • Washington Dulles Airport

      Handy information about Portland Airport (PWM)

      • PWM's address is 1001 Westbrook Street.

      • 79% of flights taking off from Portland Airport land at their destination on schedule.

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

      • Expect a journey time of about 30 minutes when using public transport.

      • Looking for a handy hotel close to PWM? If you're boarding an early flight from Portland Airport to Dublin Airport, these accommodation options will have you moments from your departure lounge:

      Arriving at Dublin Airport (DUB)

      Getting from Dublin Airport (DUB) to central Dublin

      • From Dublin Airport, Dublin is approximately 11 kilometres away. It takes around 25 minutes to get to the centre driving.

      • When travelling on public transport, expect a journey time of about 30 minutes.

      When to fly to Dublin Airport (DUB)

      • July is the most popular month for flights from Portland Airport to Dublin Airport. To skip the crowds, head to Dublin in March.

      • Before locking in your flight from Portland Airport to Dublin Airport, consider the type of weather you like. July is the warmest month in Dublin, with the temperature ranging from 10ºC (50ºF) to 19ºC (66ºF).

      • If you like travelling in cooler conditions, look for a cheap ticket from PWM to DUB in January. Average temperatures are between 2ºC (36ºF) and 9ºC (48ºF) then.

      Explore more of Ireland

      • Cork is just one of the many places in Ireland waiting to be explored once you've seen the sights of Dublin. Around 225 kilometres away to the south-west, its best attractions include Blarney Castle & Gardens, Blarney Castle House(Teach Caisleán na Blarnan) and Blarney Stone.

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.