$430 Cheap Flights from Dublin (DUB) to Portland (PDX)

View $430 flight on Sun, May 3, 2026Opens in a new window

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

Cheap Flights from Dublin to Portland (DUB-PDX)

Prices were available within the past 7 days and start at $430 for one-way flights and $765 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Wed, Apr 29 - Sat, May 16
DUB
Dublin
PDX
Portland
$765 Roundtrip, found 5 days ago
$765
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Wed, Apr 29 from Dublin to Portland, returning Sat, May 16, priced at $765 found 5 days ago
American Airlines
Sun, Dec 14 - Sun, Feb 15
DUB
Dublin
PDX
Portland
$775 Roundtrip, found 4 days ago
$775
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sun, Dec 14 from Dublin to Portland, returning Sun, Feb 15, priced at $775 found 4 days ago
American Airlines
Sun, Dec 14 - Sun, Feb 15
DUB
Dublin
PDX
Portland
$780 Roundtrip, found 4 days ago
$780
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sun, Dec 14 from Dublin to Portland, returning Sun, Feb 15, priced at $780 found 4 days ago
JetBlue Airways
Tue, May 19 - Sat, May 30
DUB
Dublin
PDX
Portland
$783 Roundtrip, just found
$783
Roundtrip
just found
Select JetBlue Airways flight, departing Tue, May 19 from Dublin to Portland, returning Sat, May 30, priced at $783 just found
American Airlines
Sun, Dec 14 - Sun, Feb 15
DUB
Dublin
PDX
Portland
$784 Roundtrip, found 4 days ago
$784
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sun, Dec 14 from Dublin to Portland, returning Sun, Feb 15, priced at $784 found 4 days ago
JetBlue Airways
Tue, May 5 - Sat, Jun 20
DUB
Dublin
PDX
Portland
$787 Roundtrip, found 3 days ago
$787
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Tue, May 5 from Dublin to Portland, returning Sat, Jun 20, priced at $787 found 3 days ago
Icelandair
Wed, Dec 3 - Tue, Dec 16
DUB
Dublin
PDX
Portland
$788 Roundtrip, found 1 day ago
$788
Roundtrip
found 1 day ago
Select Icelandair flight, departing Wed, Dec 3 from Dublin to Portland, returning Tue, Dec 16, priced at $788 found 1 day ago
Scandinavian Airlines
Sat, May 2 - Mon, May 11
DUB
Dublin
PDX
Portland
$789 Roundtrip, found 5 days ago
$789
Roundtrip
found 5 days ago
Select Scandinavian Airlines flight, departing Sat, May 2 from Dublin to Portland, returning Mon, May 11, priced at $789 found 5 days ago
Icelandair
Wed, Nov 12 - Tue, Nov 18
DUB
Dublin
PDX
Portland
$791 Roundtrip, found 2 days ago
$791
Roundtrip
found 2 days ago
Select Icelandair flight, departing Wed, Nov 12 from Dublin to Portland, returning Tue, Nov 18, priced at $791 found 2 days ago
Iberia
Fri, Dec 12 - Sat, Dec 27
DUB
Dublin
PDX
Portland
$797 Roundtrip, found 5 days ago
$797
Roundtrip
found 5 days ago
Select Iberia flight, departing Fri, Dec 12 from Dublin to Portland, returning Sat, Dec 27, priced at $797 found 5 days ago

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

September is typically the cheapest month to fly

From $603 - $1,095 per traveler.

Alternative airports near Portland

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

Select flight to Portland Intl. PDX. Cheapest and Closest option available. Average driving time to city center is 17 minutes. Flights from $788
PDX
Portland Intl.
CheapestClosest
Average driving time to city center17 min
Flights from $788

Frequently asked questions

How much does a flight from Dublin Airport (DUB) to Portland Intl. Airport (PDX) cost?
Lock in a cheap one-way flight from $430 or cheap return flight from $765 from Dublin Airport (DUB) to Portland Intl. Airport (PDX) 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 Dublin Airport (DUB) to Portland Intl. Airport (PDX)?
The cheapest month to fly from DUB to PDX is April, when there's less demand. Off-peak season is often when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Dublin Airport (DUB) to Portland Intl. Airport (PDX)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest DUB to PDX flight.
How many flights per day from Dublin Airport (DUB) to Portland Intl. Airport (PDX)?
Nonstop flights from Dublin Airport (DUB) to Portland Intl. Airport (PDX) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from DUB to PDX?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Dublin Airport (DUB) to Portland Intl. Airport (PDX)?
To avoid possible delays on the Dublin Airport (DUB) to Portland Intl. Airport (PDX) route, travel before 3 PM. Flights after this time are 22% more likely to be canceled.**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 Dublin Airport (DUB) to Portland Intl. Airport (PDX) last-minute?
Holding off until just before your departure to book your flight from DUB to PDX often results in higher prices. While you might find some last-minute discounts, they aren't always guaranteed. Keep your travel plans flexible to maximize your chances of scoring a bargain.
Is it cheaper to book a DUB to PDX flight and hotel package?
Compared with arranging flights and hotels separately, booking a DUB to PDX flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one convenient place will take the stress out of planning your trip. Simply secure your flights and select from our wide range of hotels, then personalize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Dublin Airport (DUB) to Portland Intl. Airport (PDX)?
If you booked your DUB to PDX flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more information.

Travel information

Origin airport
Dublin
Destination airport
Portland Intl.
Airlines serving
Aer Lingus, Air Canada, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, KLM, Lufthansa, United
Roundtrip price
$765
Distance
4638 mi

Book with confidence

Dublin to Portland Flights

The cheapest times to fly from Dublin to Portland

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 Dublin to Portland are during the month of April. You can find some of the cheapest flights from Dublin to Portland with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Dublin to Portland

Sunday is one of the best days to book for cheap flights from Dublin to Portland: 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 Dublin to Portland

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 Dublin to Portland in 2025. You can also book with separate airlines for your outbound and return journeys, from $430 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 Dublin to Portland 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 Dublin to Portland 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.

 

Dublin to Portland Flights

Explore a world of travel with Expedia

*Available to One Key members.