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$313+ 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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DUB
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Dublin are usually found in November or February, booked 40 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 April 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$553
(Kiwi.com)

One-way from

$313
(Mytrip)

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.
Search Deals
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 ($193 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 April 29, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Tue 5/2710:00 amPDX - DUB
1 stop13h 45mLufthansa
Tue 6/39:20 amDUB - PDX
1 stop17h 25mLufthansa
Deal found 4/29$553
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/75:54 amPDX - DUB
1 stop19h 51mIberia
Sun 8/1712:40 pmDUB - PDX
1 stop16h 08mIberia
Deal found 4/29$554
This FlightHub deal was found by Cheapflights users on 4/29. 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.
Thu 10/910:00 amPDX - DUB
1 stop13h 45mMultiple Airlines
Mon 10/206:40 pmDUB - PDX
2 stops32h 06mMultiple Airlines
Deal found 4/29$555
This United Airlines deal was found by Cheapflights users on 4/28. 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 10/76:15 amPDX - DUB
1 stop17h 30mUnited Airlines
Thu 10/1611:35 amDUB - PDX
1 stop18h 55mUnited Airlines
Deal found 4/28$557
This SmartFares deal was found by Cheapflights users on 4/29. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/193:20 pmPDX - DUB
1 stop13h 55mIcelandair
Wed 6/412:15 pmDUB - PDX
1 stop13h 40mIcelandair
Deal found 4/29$559
This Delta deal was found by Cheapflights users on 4/28. 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.
Fri 7/2512:46 amPDX - DUB
1 stop23h 09mDelta
Wed 8/610:00 amDUB - PDX
1 stop13h 54mDelta
Deal found 4/28$567
This Air Canada deal was found by Cheapflights users on 4/29. 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.
Fri 9/510:00 amPDX - DUB
1 stop13h 45mAir Canada
Sat 9/139:20 amDUB - PDX
2 stops37h 22mAir Canada
Deal found 4/29$583
This Air France deal was found by Cheapflights users on 4/28. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/177:00 amPDX - DUB
1 stop18h 15mAir France
Thu 9/2512:00 pmDUB - PDX
1 stop19h 52mAir France
Deal found 4/28$597
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1810:25 amPDX - DUB
1 stop17h 15mAmerican Airlines
Tue 9/3010:25 amDUB - PDX
1 stop15h 10mAmerican Airlines
Deal found 4/29$611
This KLM deal was found by Cheapflights users on 4/28. 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.
Sat 8/91:15 pmPDX - DUB
1 stop25h 10mKLM
Sat 8/1611:00 amDUB - PDX
1 stop15h 56mKLM
Deal found 4/28$641
This Gurufare deal was found by Cheapflights users on 4/29. 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.
Sun 9/217:00 amPDX - DUB
2 stops18h 40mBritish Airways
Sat 9/278:10 pmDUB - PDX
1 stop29h 25mBritish Airways
Deal found 4/29$684
This Scandinavian Airlines deal was found by Cheapflights users on 4/29. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2311:04 amPDX - DUB
2 stops21h 06mScandinavian Airlines
Fri 8/297:05 pmDUB - PDX
2 stops30h 02mScandinavian Airlines
Deal found 4/29$731

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 April 29, 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

Tue 5/27

10:00 am-7:45 am

1 stop13h 45m

Dublin

Tue 6/3

9:20 am-6:45 pm

1 stop17h 25m

$553

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 5/27

6:15 am-7:45 am

1 stop17h 30m

Dublin

Tue 6/3

9:20 am-5:29 pm

2 stops40h 09m

$558

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 5/19

3:20 pm-1:15 pm

1 stop13h 55m

Dublin

Wed 6/4

12:15 pm-5:55 pm

1 stop13h 40m

$559

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 5/27

10:00 am-7:45 am

1 stop13h 45m

Dublin

Tue 6/3

9:20 am-6:45 pm

1 stop17h 25m

$565

PortlandDublin

PDX - DUB

PDXDUB

Portland

Fri 7/25

12:46 am-7:55 am

1 stop23h 09m

Dublin

Wed 8/6

10:00 am-3:54 pm

1 stop13h 54m

$567

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 5/27

6:15 am-8:15 am

2 stops18h 00m

Dublin

Tue 6/3

9:20 am-6:45 pm

2 stops17h 25m

$577

PortlandDublin

PDX - DUB

PDXDUB

Portland

Fri 5/9

11:39 am-9:45 am

1 stop14h 06m

Dublin

Fri 5/16

12:40 pm-10:39 pm

1 stop17h 59m

$617

PortlandDublin

PDX - DUB

PDXDUB

Portland

Fri 7/18

7:25 pm-4:20 pm

1 stop12h 55m

Dublin

Mon 8/18

12:40 pm-9:17 pm

1 stop16h 37m

$710

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 5/5

7:00 am-9:15 am

1 stop18h 15m

Dublin

Sun 5/11

1:20 pm-11:20 am

1 stop30h 00m

$724

PortlandDublin

PDX - DUB

PDXDUB

Portland

Fri 7/25

12:59 am-11:10 pm

2 stops38h 11m

Dublin

Mon 8/18

6:00 pm-4:47 pm

2 stops30h 47m

$758

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 21 results
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 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 25, 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 40 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 $981). 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 April 29, 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 April 29, 2025.
Read reviews from past customers who have flown Delta, KLM and Air France 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
7,929 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

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
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

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
1,334 reviews
Delta
8.0
Very good
7,929 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

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
7.4
Good
1,446 reviews
Delta
8.0
Very good
7,929 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

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
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

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.
Scandinavian Airlines
7.3
Good
1,349 reviews
Delta
8.0
Very good
7,929 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

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?

    Lufthansa, at $553, was found to be the cheapest airline from Portland to Dublin.Alternate airlines to your destination round-trip include United Airlines and Delta. Lufthansa is priced at 10% 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 WestJet, which is currently one of the cheapest options available, starting at $313. Icelandair flights start at $314 while deals on United Airlines 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 $53.

  • 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 $48 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 $39.

  • 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 $981). 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
Wicklow
Leixlip

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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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$345Average$555FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$436Average$587FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$436Average$749FlexibilityNo cancel feeOn-time71%
KLMCheapest$464Average$629FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$476Average$672FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$486Average$729FlexibilityNo cancel feeOn-time67%
DeltaCheapest$497Average$691FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$508Average$645FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$522Average$700FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$699Average$900FlexibilityNo cancel feeOn-timeN/A

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