Cheap Flights from Portland (PDX) to Dublin (DUB)

View AU$852 flight on Wed, 1 July 2026Opens in a new window

Popular airlines from Portland International Airport (PDX) to Dublin Airport (DUB)

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Cheap Flights from Portland (PDX) to Dublin (DUB)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, 1 July - Fri, 31 July
PDX
Portland
DUB
Dublin
AU$1,348 Return, found 16 hours ago
AU$1,348
Return
found 16 hours ago
Select United flight, departing Wed, 1 July from Portland to Dublin, returning Fri, 31 July, priced at AU$1,348 found 16 hours ago
United
Wed, 1 July - Fri, 31 July
PDX
Portland
DUB
Dublin
AU$1,356 Return, found 16 hours ago
AU$1,356
Return
found 16 hours ago
Select United flight, departing Wed, 1 July from Portland to Dublin, returning Fri, 31 July, priced at AU$1,356 found 16 hours ago
United
Wed, 1 July - Fri, 31 July
PDX
Portland
DUB
Dublin
AU$1,398 Return, found 16 hours ago
AU$1,398
Return
found 16 hours ago
Select United flight, departing Wed, 1 July from Portland to Dublin, returning Fri, 31 July, priced at AU$1,398 found 16 hours ago
Air Canada
Wed, 1 July - Fri, 31 July
PDX
Portland
DUB
Dublin
AU$1,402 Return, found 16 hours ago
AU$1,402
Return
found 16 hours ago
Select Air Canada flight, departing Wed, 1 July from Portland to Dublin, returning Fri, 31 July, priced at AU$1,402 found 16 hours ago
United
Wed, 1 July - Fri, 31 July
PDX
Portland
DUB
Dublin
AU$1,406 Return, found 16 hours ago
AU$1,406
Return
found 16 hours ago
Select United flight, departing Wed, 1 July from Portland to Dublin, returning Fri, 31 July, priced at AU$1,406 found 16 hours ago
Finnair
Wed, 1 July - Fri, 31 July
PDX
Portland
DUB
Dublin
AU$1,462 Return, found 16 hours ago
AU$1,462
Return
found 16 hours ago
Select Finnair flight, departing Wed, 1 July from Portland to Dublin, returning Fri, 31 July, priced at AU$1,462 found 16 hours ago
United
Wed, 1 July - Fri, 31 July
PDX
Portland
DUB
Dublin
AU$1,471 Return, found 16 hours ago
AU$1,471
Return
found 16 hours ago
Select United flight, departing Wed, 1 July from Portland to Dublin, returning Fri, 31 July, priced at AU$1,471 found 16 hours ago
Finnair
Wed, 1 July - Fri, 31 July
PDX
Portland
DUB
Dublin
AU$1,474 Return, found 16 hours ago
AU$1,474
Return
found 16 hours ago
Select Finnair flight, departing Wed, 1 July from Portland to Dublin, returning Fri, 31 July, priced at AU$1,474 found 16 hours ago
American Airlines
Wed, 1 July - Fri, 31 July
PDX
Portland
DUB
Dublin
AU$1,533 Return, found 16 hours ago
AU$1,533
Return
found 16 hours ago
Select American Airlines flight, departing Wed, 1 July from Portland to Dublin, returning Fri, 31 July, priced at AU$1,533 found 16 hours ago
Delta
Wed, 1 July - Fri, 31 July
PDX
Portland
DUB
Dublin
AU$1,704 Return, found 16 hours ago
AU$1,704
Return
found 16 hours ago
Select Delta flight, departing Wed, 1 July from Portland to Dublin, returning Fri, 31 July, priced at AU$1,704 found 16 hours ago

Find the cheapest month to fly from Portland (PDX) to Dublin (DUB)

August is typically the cheapest month to fly

From AU$707 - AU$1,459 per traveller.

Frequently asked questions

What is the cheapest month to fly from Portland, OR (PDX-Portland Intl.) to Dublin (DUB)?
January is typically the cheapest month to fly from Portland, OR (PDX-Portland Intl.) to Dublin (DUB), with average return fares of approximately 1289 AUD. This is about 30% lower than the average price throughout the year. January often sees lower prices because it falls after the busy holiday season, when travel demand tends to decrease. Other cheap months to fly from Portland, OR (PDX-Portland Intl.) to Dublin (DUB) include February and October.
How do I find cheap flights from Portland, OR (PDX-Portland Intl.) to Dublin (DUB)?
To find a cheap flight from Portland, OR (PDX-Portland Intl.) to Dublin (DUB), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Portland, OR (PDX-Portland Intl.) to Dublin (DUB)?
Based on booking data from the past year, the cheapest months to fly from Portland, OR (PDX-Portland Intl.) (PDX) to Dublin (DUB) (DUB) are typically January and February, with average return flights around 1289 AUD. While these months offer the best value, they might not always align with the most popular travel times. Consider these months if you're looking for the most budget-friendly option for your trip to Dublin.
How many flights per day from Portland, OR (PDX-Portland Intl.) to Dublin (DUB)?
There are approximately 64 connecting flights per day from Portland, OR (PDX-Portland Intl.) (PDX) to Dublin (DUB). Some common connection points include Seattle - Tacoma Intl. (SEA), O'Hare Intl. (ORD), and San Francisco Intl. (SFO).
What is the earliest flight from Portland, OR (PDX-Portland Intl.) to Dublin (DUB)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from PDX to DUB. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Portland, OR (PDX-Portland Intl.) to Dublin (DUB)?
You'll find the most flights from Portland Intl. (PDX) to Dublin (DUB) on a Friday, with around 77 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Alaska Airlines, United Airlines, and American Airlines. Fridays offer notably more flight options compared to other days of the week.
What are the most popular departure times for flights from Portland, OR (PDX-Portland Intl.) to Dublin (DUB)?
The most popular departure times for flights from Portland, OR (PDX-Portland Intl.) (PDX) to Dublin (DUB) are in the evening, from 6pm to 9pm. Around 23% of passengers reckon this time window's best. Heaps of major carriers, including British Airways, Aer Lingus and CityJet, offer flights during this window. These times work well because you can make the most of your day in Portland before your evening flight, and you'll arrive in Dublin in the morning, ready to start your adventure.
How long does it take to fly from Portland, OR (PDX-Portland Intl.) to Dublin (DUB)?
Flying from PDX to DUB with a connection usually takes about 15 hours, traveling roughly 4,639 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Portland, OR (PDX-Portland Intl.) to Dublin (DUB)?
Select the "Business class" and "First class" filters when looking for PDX to DUB flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Portland, OR (PDX-Portland Intl.) to Dublin (DUB) flight with Expedia?
It's easy to earn miles on a Portland, OR (PDX-Portland Intl.) to Dublin (DUB) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Portland, OR (PDX-Portland Intl.) to Dublin (DUB) at the last minute?
Typically, booking a last minute flight from Portland, OR (PDX-Portland Intl.) to Dublin (DUB) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Portland, OR (PDX-Portland Intl.) to Dublin (DUB) flight and hotel package?
Securing a Portland, OR (PDX-Portland Intl.) to Dublin (DUB) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Portland, OR (PDX-Portland Intl.) to Dublin (DUB)?
If you booked your Portland, OR (PDX-Portland Intl.) to Dublin (DUB) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Portland Intl.
Destination airport
Dublin
Return price
AU$1,348
Distance
7421 km

Book with confidence

Your quick guide to flights from Portland to Dublin

Pick up great flights from Portland to Dublin

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Portland to Dublin. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Portland to Dublin that take around hours.

Find cheap flights from Portland to Dublin

From the great flight deals with prices currently ranging from AU$1,348 to AU$1,704, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Portland to Dublin around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Dublin is normally in July.

Reasons to book your flight from Portland to Dublin with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Portland to Dublin across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Dublin right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from Portland to Dublin
*Available to Expedia members.