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C$358 Cheap Flights from Portland (PDX) to Dublin (DUB)

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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

      TrustScore 4.5 out of 5 4.5 out of 5 based on 1,025 reviews Trustpilot

      Flight deals from Portland to Dublin

      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 C$890. Find the lowest prices on one-way and return tickets right here.
      Dublin.C$358 per passenger.Departing Sat., Oct. 17.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Portland on Sat., Oct. 17, arriving in Dublin.Price includes taxes and charges.From C$358, select.
      Dublin.C$397 per passenger.Departing Mon., Sep. 28.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Portland on Mon., Sep. 28, arriving in Dublin.Price includes taxes and charges.From C$397, select.
      Dublin.C$430 per passenger.Departing Sun., Aug. 30.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Portland on Sun., Aug. 30, arriving in Dublin.Price includes taxes and charges.From C$430, select.
      Dublin.C$437 per passenger.Departing Tue., Nov. 3.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Portland on Tue., Nov. 3, arriving in Dublin.Price includes taxes and charges.From C$437, select.
      Dublin.C$473 per passenger.Departing Sun., Dec. 13.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Portland on Sun., Dec. 13, arriving in Dublin.Price includes taxes and charges.From C$473, select.
      Dublin.C$477 per passenger.Departing Mon., Feb. 1.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Portland on Mon., Feb. 1, arriving in Dublin.Price includes taxes and charges.From C$477, select.
      Dublin.C$478 per passenger.Departing Mon., Jan. 18.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Portland on Mon., Jan. 18, arriving in Dublin.Price includes taxes and charges.From C$478, select.
      Dublin.C$494 per passenger.Departing Sat., Mar. 13.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Portland on Sat., Mar. 13, arriving in Dublin.Price includes taxes and charges.From C$494, select.
      Dublin.C$505 per passenger.Departing Sat., Apr. 3.One-way flight with Delta.Outbound indirect flight with Delta, departs from Portland on Sat., Apr. 3, arriving in Dublin.Price includes taxes and charges.From C$505, select.
      Dublin.C$736 per passenger.Departing Tue., Jul. 6.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Portland on Tue., Jul. 6, arriving in Dublin.Price includes taxes and charges.From C$736, select.

      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 October.
      Aug.
      from C$430
      Sep.
      from C$397
      Oct.
      from C$358
      Nov.
      from C$437
      Dec.
      from C$473
      Jan.
      from C$478
      Feb.
      from C$477
      Mar.
      from C$494
      Apr.
      from C$505
      May
      Find prices
      Jun.
      Find prices
      Jul.
      from C$736

      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.

      Dublin

      10km from central Dublin
      ClosestCheapest
      from C$358
      Search flights

      Portland to Dublin: Flight information

      The things to know before you go.
      Cheapest flight foundC$358
      Cheapest month to flyOctober

      Finding cheap flights from Portland to Dublin: Frequently asked questions

      The best price we found for a return flight from Portland to Dublin is C$784. 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 C$784.
      As of August 2026, there are no flights flying from Portland to Dublin.
      The cheapest month to fly from Portland to Dublin is usually October.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Dublin Airport on Wednesday, October 21, 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, Icelandair offers the cheapest flight tickets to Dublin.

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

      • Dublin's timezone is UTC+0, making Dublin eight hours ahead of Portland.

      • Leave enough time to make your PDX to DUB flight. Generally, it's best to arrive at least two hours before international departures and an hour ahead for domestic flights.

      • You'll likely experience bigger queues in popular months like July. Arriving up to four hours in advance for international flights and two hours for domestic departures is a smart move.

      • Consider adding a stopover when booking your ticket from Portland Airport to Dublin Airport. Simply deselect 'Direct flights only' to break up your journey, or enjoy a detour to a new and interesting place. Here's where you can stop between PDX and DUB:

        • London Heathrow Airport

        • Seattle / Tacoma International Airport

        • Reykjavik Keflavik Airport

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

      • The lowest price we've seen for a one-way Portland Airport to Dublin Airport flight is C$358. A round-trip fare is currently C$784. Depending on the availability and when you book, these fares could change.

      • Don't leave things to the last moment. You're more likely to get cheap tickets from PDX to DUB if you book early. Airlines often offer some great early bird deals.

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

      • You don't need to check back in every day to see if fares have gone down when you set up a Price Alert. We'll let you know the moment the price changes on cheap flights from PDX to DUB.

      • Tailor your flights with filters. Choose your preferred arrival and departure times, total journey duration and airlines. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest' flights from Portland Airport to Dublin Airport.

      Handy information about Portland Airport (PDX)

      • The address for PDX is 7000 NE Airport Way.

      • 83% of flights leaving Portland Airport arrive at their destination on time. With its impressive on-time stats, you're unlikely to be delayed when flying out of PDX.

      • To get to Portland Airport from central Portland, it takes about 20 minutes if you're planning to drive. This depends on traffic, however. It's approximately 19 kilometres from the airport to the city centre.

      • The trip on public transport will take about 40 minutes.

      • Have an early flight from Portland Airport to Dublin Airport? Avoid the hassle of rushing to the airport (and sneak in some extra precious sleep) by picking one of these hotels near PDX:

      Arriving at Dublin Airport (DUB)

      When to fly to Dublin Airport (DUB)

      • July is the most popular month for flights from Portland Airport to Dublin Airport. For a quieter experience, go to Dublin in March.

      • When booking your flight from Portland Airport to Dublin Airport, think about the type of weather you enjoy. July is the warmest month in Dublin, with the temperature ranging from 10ºC (50ºF) to 19ºC (66ºF).

      • For cooler conditions, search for a cheap ticket from PDX to DUB in January. Temperatures average between 2ºC (36ºF) and 9ºC (48ºF) then.

      Explore more of Ireland

      • Dublin has loads to offer, but there are so many other parts of Ireland just waiting to be explored. Around 225 kilometres south-west of Dublin, a trip to Cork will keep your itinerary packed. Check out popular attractions like Blarney Castle & Gardens, Blarney Castle House(Teach Caisleán na Blarnan) and Blarney Stone.

      Plan the rest of your trip from Portland to Dublin

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