Dublin

$268+ 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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DUB
Jul 7 — Jul 141
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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 June 7, 2026.

This FlightHub deal was found by Cheapflights users on 6/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/193:30 pm
PDX
-
DUB
1 stop13h 45m
Icelandair
Mon 10/261:15 pm
DUB
-
PDX
1 stop11h 45m
Icelandair
Deal found 6/2$590
This Kiwi.com deal was found by Cheapflights users on 6/2. 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.
Sat 10/173:30 pm
PDX
-
DUB
1 stop11h 35m
Icelandair
Mon 10/261:15 pm
DUB
-
PDX
1 stop11h 45m
Icelandair
Deal found 6/2$610
This Icelandair deal was found by Cheapflights users on 6/2. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/213:30 pm
PDX
-
DUB
1 stop13h 45m
Icelandair
Fri 10/3011:30 am
DUB
-
PDX
1 stop13h 30m
Icelandair
Deal found 6/2$613
This FlightHub deal was found by Cheapflights users on 6/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/193:30 pm
PDX
-
DUB
1 stop13h 45m
Icelandair
Wed 10/2811:30 am
DUB
-
PDX
1 stop13h 30m
Icelandair
Deal found 6/2$628
This oojo deal was found by Cheapflights users on 6/2. 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.
Wed 9/233:30 pm
PDX
-
DUB
1 stop13h 45m
Icelandair
Wed 9/3012:15 pm
DUB
-
PDX
1 stop13h 40m
Icelandair
Deal found 6/2$641
This Kiwi.com deal was found by Cheapflights users on 6/2. 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.
Sat 10/173:30 pm
PDX
-
DUB
1 stop11h 35m
Icelandair
Wed 10/2811:30 am
DUB
-
PDX
1 stop13h 30m
Icelandair
Deal found 6/2$647
This oojo deal was found by Cheapflights users on 6/2. 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 10/273:45 pm
PDX
-
DUB
1 stop11h 30m
Icelandair
Wed 11/1111:30 am
DUB
-
PDX
1 stop13h 30m
Icelandair
Deal found 6/2$649
This Kiwi.com deal was found by Cheapflights users on 6/2. 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.
Thu 10/223:30 pm
PDX
-
DUB
1 stop11h 35m
Icelandair
Wed 10/2811:30 am
DUB
-
PDX
1 stop13h 30m
Icelandair
Deal found 6/2$650
This oojo deal was found by Cheapflights users on 6/3. 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.
Mon 10/123:30 pm
PDX
-
DUB
1 stop13h 45m
Icelandair
Tue 10/202:15 pm
DUB
-
PDX
1 stop11h 40m
Icelandair
Deal found 6/3$661
This Mytrip deal was found by Cheapflights users on 6/3. 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.
Fri 8/217:05 pm
PDX
-
DUB
1 stop32h 00m
Multiple Airlines
Fri 9/410:40 am
DUB
-
PDX
2 stops30h 51m
Multiple Airlines
Deal found 6/3$664
This Gotogate deal was found by Cheapflights users on 6/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:05 pm
PDX
-
DUB
1 stop32h 00m
Icelandair
Fri 9/412:15 pm
DUB
-
PDX
1 stop13h 40m
Icelandair
Deal found 6/3$669
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 9/27:05 pm
PDX
-
DUB
1 stop32h 00m
Icelandair
Wed 9/912:15 pm
DUB
-
PDX
1 stop13h 40m
Icelandair
Deal found 6/2$670

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 June 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$587
(oojo)

One-way from

$268
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$862
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. 18% potential increase in price ($141 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average RT price).
Average for round-trip flights in June 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 June 7, 2026.
Use the filters below to find and compare flights from Portland to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 9/1

10:56 am-11:10 am

1 stop16h 14m

Dublin

Tue 9/8

9:20 am-5:49 pm

2 stops40h 29m

$734

PortlandDublin

PDX - DUB

PDXDUB

Portland

Wed 9/23

8:25 am-7:20 am

1 stop14h 55m

Dublin

Wed 9/30

9:20 am-8:13 pm

2 stops42h 53m

$742

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 8/11

11:02 pm-9:45 am

1 stop26h 43m

Dublin

Wed 8/19

9:50 am-9:31 am

1 stop31h 41m

$781

PortlandDublin

PDX - DUB

PDXDUB

Portland

Wed 7/22

5:00 am-7:45 am

2 stops18h 45m

Dublin

Tue 7/28

9:50 am-5:44 pm

2 stops39h 54m

$799

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 7/21

12:50 pm-9:45 am

2 stops36h 55m

Dublin

Thu 7/30

9:20 am-9:31 am

2 stops32h 11m

$807

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 8/31

10:35 am-9:45 am

1 stop15h 10m

Dublin

Mon 9/7

11:35 am-6:53 pm

1 stop15h 18m

$819

PortlandDublin

PDX - DUB

PDXDUB

Portland

Fri 10/23

10:10 am-7:45 am

1 stop13h 35m

Dublin

Sun 11/8

9:00 am-9:21 pm

2 stops44h 21m

$830

PortlandDublin

PDX - DUB

PDXDUB

Portland

Fri 11/6

10:00 am-9:55 am

1 stop15h 55m

Dublin

Sat 11/14

9:00 am-5:38 pm

2 stops40h 38m

$834

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 8/31

3:00 pm-7:55 am

1 stop32h 55m

Dublin

Mon 9/7

5:20 pm-11:10 am

1 stop25h 50m

$836

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sat 8/22

10:35 pm-9:15 am

1 stop26h 40m

Dublin

Mon 8/31

5:20 pm-11:10 am

1 stop25h 50m

$850

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/2

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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 June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
JustAirTicketPrice Accuracy-Trust Score*1 star

*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?

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 14 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 $469). Flying from Portland to Dublin in June is currently the most expensive (average of $862). 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 June 7, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines 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

7.8

Overall

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Overall

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Overall

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Overall

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Overall

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Overall

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 13h 45m. Icelandair provides one of the quickest options available for as low as $587. There are 4635 mi between Portland and Dublin.

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

    Icelandair, at $352, was found to be the cheapest airline from Portland to Dublin.Alternate airlines to your destination round-trip include Iberia and British Airways. 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 $180. KLM flights start at $291 while deals on American Airlines start at $338 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 London?

    London travelers tend to visit Hyde Park, Buckingham Palace, and Piccadilly Circus more than anywhere else. Travelers on a layover in London can visit Hyde Park, Buckingham Palace, and Piccadilly Circus, by traveling 12.5 mi, 13.7 mi, and 14.1 mi, respectively after landing at London Heathrow. Those on a layover in London in need of a rental car can book one at London Heathrow for about $38.

  • 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 $68 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 $469). Flying from Portland to Dublin in June is currently the most expensive (average of $862). 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
Castleknock

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Alternative routes for Portland to Dublin

See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from Portland to Dublin

Discover the top 9 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 June 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$352Average$512FlexibilityNo cancel feeOn-time76%
IberiaCheapest$437Average$576FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$459Average$764FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$461Average$625FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$462Average$632FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$466Average$683FlexibilityNo cancel feeOn-time71%
DeltaCheapest$468Average$699FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$468Average$627FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$477Average$709FlexibilityNo cancel feeOn-time76%

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