Dublin

$265+ Cheap flights from Portland (PDX) to Dublin (DUB)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DUB
Mar 13 — Mar 201
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Dublin with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Portland to Dublin

Cheapest flights from Portland to Dublin
Explore the most affordable flight options available from Portland to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.

This oojo deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/213:30 pm
PDX
-
DUB
1 stop11h 35m
Icelandair
Wed 4/2912:15 pm
DUB
-
PDX
1 stop13h 45m
Icelandair
Deal found 2/10$409
This Mytrip deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/213:30 pm
PDX
-
DUB
1 stop11h 35m
Icelandair
Mon 4/272:15 pm
DUB
-
PDX
1 stop11h 45m
Icelandair
Deal found 2/7$420
This oojo deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/233:30 pm
PDX
-
DUB
1 stop11h 35m
Icelandair
Mon 4/272:15 pm
DUB
-
PDX
1 stop11h 45m
Icelandair
Deal found 2/10$422
This oojo deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/93:30 pm
PDX
-
DUB
1 stop11h 35m
Icelandair
Fri 4/1712:15 pm
DUB
-
PDX
1 stop13h 45m
Icelandair
Deal found 2/10$434
This Mytrip deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/210:10 am
PDX
-
DUB
1 stop13h 35m
Multiple Airlines
Sun 5/109:50 am
DUB
-
PDX
1 stop17h 15m
Multiple Airlines
Deal found 2/7$445
This Mytrip deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:10 am
PDX
-
DUB
1 stop13h 35m
Multiple Airlines
Fri 8/289:50 am
DUB
-
PDX
1 stop31h 41m
Multiple Airlines
Deal found 2/10$447
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2510:05 am
PDX
-
DUB
2 stops14h 40m
KLM
Sun 3/15:55 am
DUB
-
PDX
1 stop13h 30m
KLM
Deal found 2/8$454
This Air Canada deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1810:10 am
PDX
-
DUB
1 stop13h 35m
Air Canada
Thu 8/279:50 am
DUB
-
PDX
2 stops40h 15m
Air Canada
Deal found 2/9$455
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/203:30 pm
PDX
-
DUB
1 stop13h 45m
Icelandair
Wed 5/612:15 pm
DUB
-
PDX
1 stop13h 45m
Icelandair
Deal found 2/8$456
This United Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2111:59 pm
PDX
-
DUB
1 stop25h 46m
United Airlines
Sat 5/29:20 am
DUB
-
PDX
1 stop32h 10m
United Airlines
Deal found 2/8$457
This United Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/267:00 am
PDX
-
DUB
1 stop17h 10m
United Airlines
Wed 3/49:00 am
DUB
-
PDX
3 stops45h 59m
United Airlines
Deal found 2/8$458

Find flight deals from Portland to Dublin

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Dublin (DUB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$409
(oojo)

One-way from

$265
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$508
Provider with most accurate pricing for Portland-Dublin flight deals.
Provider most trusted by Cheapflights users for Portland-Dublin flights.
From Portland to Dublin
One-way flight from Portland to Dublin
Highest demand for flights based on searches. 17% potential increase in price ($128 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
Average for round-trip flights in February 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Dublin that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 11, 2026.
Use the filters below to find and compare flights from Portland to Dublin that are best for you.

Fly from

Portland

Fly to

Dublin

Route

Depart

Return

Price

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 4/21

11:59 pm-9:45 am

1 stop25h 46m

Dublin

Sat 5/2

9:20 am-9:30 am

1 stop32h 10m

$457

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 4/26

11:59 pm-9:45 am

1 stop25h 46m

Dublin

Sun 5/3

9:50 am-9:30 am

1 stop31h 40m

$457

PortlandDublin

PDX - DUB

PDXDUB

Portland

Thu 2/26

7:00 am-8:10 am

1 stop17h 10m

Dublin

Wed 3/4

9:00 am-10:59 pm

3 stops45h 59m

$458

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 2/15

12:57 pm-8:10 am

2 stops35h 13m

Dublin

Sat 2/28

9:00 am-10:40 pm

2 stops45h 40m

$462

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sat 2/21

7:15 am-7:45 am

2 stops16h 30m

Dublin

Fri 3/6

5:55 am-11:25 am

1 stop13h 30m

$471

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 3/1

6:00 am-7:45 am

1 stop17h 45m

Dublin

Sun 3/8

8:50 am-11:25 am

1 stop34h 35m

$473

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 3/9

7:00 am-8:45 am

1 stop18h 45m

Dublin

Tue 3/17

1:25 pm-12:25 pm

1 stop30h 00m

$473

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 2/22

6:00 am-7:45 am

1 stop17h 45m

Dublin

Sat 3/7

8:50 am-11:25 am

1 stop34h 35m

$473

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 3/8

6:30 am-7:45 am

1 stop18h 15m

Dublin

Tue 3/17

8:50 am-12:25 pm

1 stop34h 35m

$473

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sat 4/25

7:00 am-10:40 am

2 stops19h 40m

Dublin

Sat 5/2

9:20 am-9:30 am

1 stop32h 10m

$474

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/7

Showing 1-10 of 20 results
1
2

Compare providers for flights from Portland to Dublin

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Dublin in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland-Dublin flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Dublin flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Dublin flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Dublin flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Dublin flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Dublin

How far ahead should I book a flight from Portland to Dublin?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Dublin. Price data was last updated on February 6, 2026.

The price you pay for your flight from Portland to Dublin may vary depending on when you book. For the best chance of a lower fare, look to book 88 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Portland to Dublin?

Currently, November is the cheapest month in which you can book a flight from Portland to Dublin (average of $356). Flying from Portland to Dublin in June is currently the most expensive (average of $632). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Portland to Dublin?

Reviews of airlines servicing Dublin

Get insights into the airlines that provide service to Dublin. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dublin. Reviews last updated February 11, 2026.
Get a feel of what it's like to fly with Delta, United Airlines, and Air Canada from Portland to Dublin by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Portland to Dublin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Portland to Dublin?

    A quick flight from Portland to Dublin can take about 16h 30m. United Airlines provides one of the quickest options available for as low as $471. There are 4635 mi between Portland and Dublin. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Portland to Dublin round-trip?

    Icelandair, at $354, was found to be the cheapest airline from Portland to Dublin.Alternate airlines to your destination round-trip include Iberia and United Airlines. Icelandair is priced at 42% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Portland to Dublin one-way?

    To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at $201. American Airlines flights start at $338 while deals on Delta start at $363 one-way.

  • Where are the most common layover locations when flying from Portland to Dublin?

  • What are some popular things to do or see while on a layover in Vancouver?

    Vancouver travelers tend to visit Orpheum Theatre, Pacific Central Station, and Queen Elizabeth Theatre more than anywhere else. Travelers on a layover in Vancouver can visit Orpheum Theatre, Pacific Central Station, and Queen Elizabeth Theatre, by traveling 6.5 mi, 6.6 mi, and 6.6 mi, respectively after landing at Vancouver Intl. Those on a layover in Vancouver in need of a rental car can book one at Vancouver Intl for about $30.

  • What are some popular points of interest to see during a layover in Reykjavik?

    Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool are currently the most popular points of interest in Reykjavik at the moment. Hallgrímskirkja, Harpa and Laugardalslaug Geothermal Pool are located about 23.2 mi, 23.3 mi, and 24.6 mi, respectively from Reykjavik Keflavik Intl if you are interested in checking them out. Travelers can book a car rental at Reykjavik Keflavik Intl for about $54 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for Portland to Dublin flights?

  • Can I find deals for flights from Portland to Dublin that include hotel bookings?

    Yes. In addition to deals on Portland to Dublin flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Dublin?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Dublin.

  • Can I find deals for business class flights from Portland to Dublin?

    Yes. Cheapflights offers flight deals from Portland to Dublin by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland to Dublin?

    Currently, November is the cheapest month in which you can book a flight from Portland to Dublin (average of $356). Flying from Portland to Dublin in June is currently the most expensive (average of $632). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Maynooth
Castleknock
Leixlip

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from Portland to Dublin

Discover the top 10 airlines that operate flights from Portland to Dublin. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$354Average$499FlexibilityNo cancel feeOn-time76%
IberiaCheapest$437Average$576FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$463Average$616FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$464Average$626FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$467Average$697FlexibilityNo cancel feeOn-time71%
DeltaCheapest$468Average$665FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$473Average$624FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$477Average$751FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$488Average$686FlexibilityNo cancel feeOn-time67%
Aer LingusCheapest$676Average$894FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.