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$338+ 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DUB
4月 20 — 4月 271
週日 4/20
週日 4/27
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Dublin are usually found in November or February, booked 27 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap 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 4月 15, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$537
(KLM)

One-way from

$338
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$613
Provider with most accurate pricing for Portland-Dublin flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Dublin flights.
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From Portland to Dublin
Search Deals
One-way flight from Portland to Dublin
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($191 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find 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 4月 15, 2025.

This KLM deal was found by Cheapflights users on 4/14. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週二 10/711:39 amPDX - DUB
1 stop12h 16mKLM
週二 10/1410:00 amDUB - PDX
1 stop18h 25mKLM
Deal found 4/14$537
This United deal was found by Cheapflights users on 4/14. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週五 8/110:00 amPDX - DUB
2 stops37h 10mUnited Airlines
週三 8/139:20 amDUB - PDX
1 stop32h 05mUnited Airlines
Deal found 4/14$538
This Delta deal was found by Cheapflights users on 4/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週五 10/2412:40 amPDX - DUB
1 stop24h 05mDelta
週五 11/75:55 amDUB - PDX
2 stops23h 59mDelta
Deal found 4/14$541
This CheapOair deal was found by Cheapflights users on 4/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週三 7/306:15 amPDX - DUB
2 stops17h 30mAir Canada
週三 8/139:50 amDUB - PDX
2 stops16h 56mAir Canada
Deal found 4/14$542
This British Airways deal was found by Cheapflights users on 4/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週一 5/197:25 pmPDX - DUB
1 stop16h 10mBritish Airways
週三 5/2810:55 amDUB - PDX
1 stop14h 40mBritish Airways
Deal found 4/14$544
This Icelandair deal was found by Cheapflights users on 4/14. 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.
週四 5/83:20 pmPDX - DUB
1 stop11h 45mIcelandair
週日 5/1112:15 pmDUB - PDX
1 stop13h 40mIcelandair
Deal found 4/14$546
This CheapOair deal was found by Cheapflights users on 4/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週三 5/73:25 pmPDX - DUB
1 stop32h 20mMultiple Airlines
週二 5/135:55 amDUB - PDX
2 stops25h 00mMultiple Airlines
Deal found 4/14$548
This Iberia deal was found by Cheapflights users on 4/14. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週二 9/232:16 pmPDX - DUB
2 stops19h 24mIberia
週二 10/712:40 pmDUB - PDX
1 stop16h 15mIberia
Deal found 4/14$560
This Gurufare deal was found by Cheapflights users on 4/15. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週四 10/1610:00 amPDX - DUB
1 stop13h 45mLufthansa
週一 10/276:00 pmDUB - PDX
2 stops36h 14mLufthansa
Deal found 4/15$593
This StudentUniverse deal was found by Cheapflights users on 4/14. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週四 5/151:25 pmPDX - DUB
2 stops19h 50mFinnair
週二 5/209:45 amDUB - PDX
2 stops22h 14mFinnair
Deal found 4/14$669
This Trip.com deal was found by Cheapflights users on 4/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週五 7/111:45 pmPDX - DUB
2 stops35h 20mWestJet
週六 7/2610:15 amDUB - PDX
2 stops34h 37mWestJet
Deal found 4/14$692
This Aeromexico deal was found by Cheapflights users on 4/14. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週四 5/1511:25 amPDX - DUB
2 stops27h 15mAir France
週四 5/2912:00 pmDUB - PDX
2 stops40h 52mAir France
Deal found 4/14$693

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 4月 15, 2025.
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

週二 10/7

11:39 am-7:55 am

1 stop12h 16m

Dublin

週二 10/14

10:00 am-8:25 pm

1 stop18h 25m

$537

PortlandDublin

PDX - DUB

PDXDUB

Portland

週五 8/1

10:00 am-7:10 am

2 stops37h 10m

Dublin

週三 8/13

9:20 am-9:25 am

1 stop32h 05m

$538

PortlandDublin

PDX - DUB

PDXDUB

Portland

週二 4/29

7:35 am-9:45 am

1 stop18h 10m

Dublin

週二 5/6

8:35 am-5:35 pm

1 stop17h 00m

$541

PortlandDublin

PDX - DUB

PDXDUB

Portland

週三 7/30

6:15 am-7:45 am

2 stops17h 30m

Dublin

週三 8/13

9:50 am-6:46 pm

2 stops16h 56m

$542

PortlandDublin

PDX - DUB

PDXDUB

Portland

週一 5/19

7:25 pm-7:35 pm

1 stop16h 10m

Dublin

週三 5/28

10:55 am-5:35 pm

1 stop14h 40m

$544

PortlandDublin

PDX - DUB

PDXDUB

Portland

週四 5/8

3:20 pm-11:05 am

1 stop11h 45m

Dublin

週二 5/13

12:15 pm-5:55 pm

1 stop13h 40m

$546

PortlandDublin

PDX - DUB

PDXDUB

Portland

週六 5/3

12:59 am-7:55 am

1 stop22h 56m

Dublin

週三 5/14

11:00 am-6:59 pm

1 stop15h 59m

$547

PortlandDublin

PDX - DUB

PDXDUB

Portland

週二 9/23

2:16 pm-5:40 pm

2 stops19h 24m

Dublin

週二 10/7

12:40 pm-8:55 pm

1 stop16h 15m

$560

PortlandDublin

PDX - DUB

PDXDUB

Portland

週四 9/25

10:00 am-7:45 am

1 stop13h 45m

Dublin

週日 9/28

9:20 am-6:46 pm

1 stop17h 26m

$641

PortlandDublin

PDX - DUB

PDXDUB

Portland

週四 5/15

1:25 pm-5:15 pm

2 stops19h 50m

Dublin

週二 5/20

9:45 am-11:59 pm

2 stops22h 14m

$669

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 25 results
1
2
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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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Portland-Dublin flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 April 11, 2025.

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 27 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 $509). Flying from Portland to Dublin in June is currently the most expensive (average of $1,006). 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.

What is the cheapest time of day to fly from PDX to DUB?

Find hourly flight availability from Portland to Dublin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4月 15, 2025.

One of the essential ways to save on airfare from Portland to Dublin is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 15% on airfare.

What is the cheapest day to fly from Portland to Dublin?

Use this chart to determine the cheapest time to fly round-trip from Portland to Dublin. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Portland to Dublin flight should consider departing on Tuesday at noon when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Dublin by month

Plan your trip to Dublin by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Dublin ranges from 1.9 - 3.1 inches per month. October is typically the wettest month, when rainfall can reach 3.1 in. February is typically the driest time to visit Dublin when rainfall is around 1.9 in.

Temperature in Dublin by month

Plan your trip to Dublin by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Dublin, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 4月 15, 2025.
Read reviews from past customers who have flown Delta, KLM and Finnair from Portland to Dublin. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,916 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,916 reviews
Delta
8.0
Very good
7,916 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very good
7,916 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,269 reviews
Delta
8.0
Very good
7,916 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.5
Good
1,435 reviews
Delta
8.0
Very good
7,916 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,656 reviews
Delta
8.0
Very good
7,916 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    KLM, at $537, was found to be the cheapest airline from Portland to Dublin.Alternate airlines to your destination round-trip include United Airlines and Air Canada. KLM is priced at 13% 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 $380. WestJet flights start at $386 while deals on Air Canada start at $404 one-way.

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

    Flights departing from Portland and landing in Dublin layover in London most frequently. Reykjavik sees the second most layovers for non-direct flights flying from Portland to Dublin. Vancouver sees the third most layovers on flights 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, Piccadilly Circus, and Buckingham Palace more than anywhere else. Travelers on a layover in London can visit Hyde Park, Piccadilly Circus, and Buckingham Palace, by traveling 12.5 mi, 14.1 mi, and 13.7 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 $50.

  • 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 $49 per day to make their sightseeing more efficient.

  • What are points of interest worth seeing during a layover in Vancouver?

    Most Vancouver visitors opt to spend their time at Pacific Central Station, Queen Elizabeth Theatre, and Vancouver Harbour Centre. Pacific Central Station, Queen Elizabeth Theatre, and Vancouver Harbour Centre can be visited by traveling about 6.6 mi, 6.6 mi, and 6.9 mi respectively from Vancouver Intl. Those on a layover in Vancouver in need of a rental car can book one at Vancouver Intl for about $38.

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

    Portland to Dublin flights have a layover in Chicago least often. Amsterdam sees the second fewest layovers for non-direct flights flying from Portland to Dublin. Amsterdam is followed by Dallas in terms of the least popular layover location 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 $509). Flying from Portland to Dublin in June is currently the most expensive (average of $1,006). 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 Portland?

Book flights to Portland if you plan to visit one of these locations
Maynooth
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Swords
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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 4月 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$345Average$560FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$436Average$585FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$439Average$745FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$459Average$732FlexibilityNo cancel feeOn-time67%
KLMCheapest$463Average$629FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$475Average$678FlexibilityNo cancel feeOn-time69%
DeltaCheapest$497Average$708FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$508Average$657FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$522Average$662FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$699Average$900FlexibilityNo cancel feeOn-timeN/A

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