$368 Cheap Flights from Portland (PDX) to Dublin (DUB)

View $368 flight on Sat, May 2, 2026Opens in a new window

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

Cheap Flights from Portland to Dublin (PDX-DUB)

Prices were available within the past 7 days and start at $368 for one-way flights and $381 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Thu, Nov 13 - Wed, Nov 26
PDX
Portland
DUB
Dublin
$381 Roundtrip, just found
$381
Roundtrip
just found
Select Icelandair flight, departing Thu, Nov 13 from Portland to Dublin, returning Wed, Nov 26, priced at $381 just found
Icelandair
Tue, Dec 2 - Fri, Dec 12
PDX
Portland
DUB
Dublin
$405 Roundtrip, just found
$405
Roundtrip
just found
Select Icelandair flight, departing Tue, Dec 2 from Portland to Dublin, returning Fri, Dec 12, priced at $405 just found
American Airlines
Mon, Nov 24 - Fri, Dec 5
PDX
Portland
DUB
Dublin
$417 Roundtrip, found 21 hours ago
$417
Roundtrip
found 21 hours ago
Select American Airlines flight, departing Mon, Nov 24 from Portland to Dublin, returning Fri, Dec 5, priced at $417 found 21 hours ago
American Airlines
Mon, Nov 24 - Fri, Dec 5
PDX
Portland
DUB
Dublin
$420 Roundtrip, found 21 hours ago
$420
Roundtrip
found 21 hours ago
Select American Airlines flight, departing Mon, Nov 24 from Portland to Dublin, returning Fri, Dec 5, priced at $420 found 21 hours ago
American Airlines
Mon, Nov 24 - Fri, Dec 5
PDX
Portland
DUB
Dublin
$422 Roundtrip, found 21 hours ago
$422
Roundtrip
found 21 hours ago
Select American Airlines flight, departing Mon, Nov 24 from Portland to Dublin, returning Fri, Dec 5, priced at $422 found 21 hours ago
Delta
Tue, Nov 25 - Thu, Dec 4
PDX
Portland
DUB
Dublin
$433 Roundtrip, found 2 hours ago
$433
Roundtrip
found 2 hours ago
Select Delta flight, departing Tue, Nov 25 from Portland to Dublin, returning Thu, Dec 4, priced at $433 found 2 hours ago
United
Sat, May 2 - Sat, May 9
PDX
Portland
DUB
Dublin
$461 Roundtrip, found 11 hours ago
$461
Roundtrip
found 11 hours ago
Select United flight, departing Sat, May 2 from Portland to Dublin, returning Sat, May 9, priced at $461 found 11 hours ago
Air Canada
Sat, May 2 - Sat, May 9
PDX
Portland
DUB
Dublin
$461 Roundtrip, found 11 hours ago
$461
Roundtrip
found 11 hours ago
Select Air Canada flight, departing Sat, May 2 from Portland to Dublin, returning Sat, May 9, priced at $461 found 11 hours ago
Lufthansa
Fri, Nov 28 - Thu, Dec 4
PDX
Portland
DUB
Dublin
$469 Roundtrip, found 4 days ago
$469
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Fri, Nov 28 from Portland to Dublin, returning Thu, Dec 4, priced at $469 found 4 days ago
British Airways
Mon, Feb 2 - Fri, Feb 20
PDX
Portland
DUB
Dublin
$474 Roundtrip, found 1 day ago
$474
Roundtrip
found 1 day ago
Select British Airways flight, departing Mon, Feb 2 from Portland to Dublin, returning Fri, Feb 20, priced at $474 found 1 day ago

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

November is typically the cheapest month to fly

From $379 - $938 per traveler.

Alternative airports near Dublin

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Dublin Airport DUB. Cheapest and Closest option available. Average driving time to city center is 14 minutes. Flights from $442
DUB
Dublin Airport
CheapestClosest
Average driving time to city center14 min
Flights from $442

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to Dublin Airport (DUB) cost?
Snag a cheap one-way flight from $368 or cheap return flight from $381 from Portland Intl. Airport (PDX) to Dublin Airport (DUB) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Portland Intl. Airport (PDX) to Dublin Airport (DUB)?
November is the least expensive month to fly from PDX to DUB. Traveling during an off-peak travel window is often the key to finding better deals on flights.
What is the cheapest airline that flies from Portland Intl. Airport (PDX) to Dublin Airport (DUB)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll fly you from PDX to DUB. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Portland Intl. Airport (PDX) to Dublin Airport (DUB)?
There aren't any daily direct flights available from Portland Intl. Airport (PDX) to Dublin Airport (DUB). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from PDX to DUB?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary based on a number of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portland Intl. Airport (PDX) to Dublin Airport (DUB)?
To reach Dublin Airport (DUB) on schedule, choose a flight that leaves Portland Intl. Airport (PDX) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Portland Intl. Airport (PDX) to Dublin Airport (DUB) last-minute?
Booking your flight from PDX to DUB just before your trip is generally more expensive. But if you're flexible with your departure dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book a PDX to DUB flight and hotel package?
Booking a PDX to DUB flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Choose from our wide range of accommodations and then add car rentals, activities and flights 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 Intl. Airport (PDX) to Dublin Airport (DUB)?
If you reserved your PDX to DUB flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

Travel information

Origin airport
Portland Intl.
Destination airport
Dublin
Airlines serving
Aer Lingus, Air Canada, Air France, Alaska Airlines, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, United, WestJet
Roundtrip price
$380
Distance
4638 mi

Book with confidence

Portland to Dublin Flights

The cheapest times to fly from Portland to Dublin

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Portland to Dublin are during the month of November. You can find some of the cheapest flights from Portland to Dublin with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to Dublin

Sunday is one of the best days to book for cheap flights from Portland to Dublin: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Portland to Dublin

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Portland to Dublin in 2025. You can also book with separate airlines for your outbound and return journeys, from $368 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Portland to Dublin flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Portland to Dublin airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Portland to Dublin Flights
*Available to One Key members.