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$217+ 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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DUB
May 18 — May 251
Sun 5/18
Sun 5/25
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Dublin are usually found in November or February, booked 34 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 May 13, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$551
(CheapOair)

One-way from

$217
(Gurufare)

Popular in

June

Cheapest in

November

Average price

$657
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. 22% potential increase in price ($177 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 13, 2025.

This Lufthansa deal was found by Cheapflights users on 5/12. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/233:25 pmPDX - DUB
1 stop32h 20mLufthansa
Sat 8/99:50 amDUB - PDX
2 stops21h 06mLufthansa
Deal found 5/12$557
This oojo deal was found by Cheapflights users on 5/12. 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.
Fri 5/303:20 pmPDX - DUB
1 stop13h 55mIcelandair
Fri 6/612:15 pmDUB - PDX
1 stop13h 40mIcelandair
Deal found 5/12$559
This United Airlines deal was found by Cheapflights users on 5/12. 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.
Wed 5/287:00 amPDX - DUB
2 stops20h 10mUnited Airlines
Wed 8/209:50 amDUB - PDX
2 stops20h 40mUnited Airlines
Deal found 5/12$562
This Delta deal was found by Cheapflights users on 5/12. 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.
Wed 7/169:51 amPDX - DUB
2 stops21h 09mDelta
Thu 7/2412:00 pmDUB - PDX
1 stop19h 26mDelta
Deal found 5/12$566
This Air Canada deal was found by Cheapflights users on 5/12. 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 9/266:15 amPDX - DUB
2 stops17h 30mAir Canada
Fri 10/39:20 amDUB - PDX
2 stops41h 12mAir Canada
Deal found 5/12$568
This United deal was found by Cheapflights users on 5/12. 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.
Tue 9/1610:50 pmPDX - DUB
1 stop28h 20mMultiple Airlines
Sat 9/279:20 amDUB - PDX
2 stops32h 01mMultiple Airlines
Deal found 5/12$574
This Air France deal was found by Cheapflights users on 5/12. 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.
Thu 5/296:00 amPDX - DUB
1 stop18h 45mAir France
Thu 8/2111:00 amDUB - PDX
1 stop19h 20mAir France
Deal found 5/12$627
This British Airways deal was found by Cheapflights users on 5/12. 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.
Fri 9/267:25 pmPDX - DUB
1 stop15h 55mBritish Airways
Thu 10/28:15 pmDUB - PDX
1 stop29h 20mBritish Airways
Deal found 5/12$634
This KLM deal was found by Cheapflights users on 5/12. 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.
Thu 9/187:00 amPDX - DUB
1 stop18h 15mKLM
Mon 9/295:55 amDUB - PDX
1 stop13h 25mKLM
Deal found 5/12$694
This Scandinavian Airlines deal was found by Cheapflights users on 5/12. 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.
Mon 8/2511:04 amPDX - DUB
2 stops23h 11mScandinavian Airlines
Sat 9/68:05 pmDUB - PDX
3 stops29h 02mScandinavian Airlines
Deal found 5/12$706

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 May 13, 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

Wed 7/23

3:25 pm-7:45 am

1 stop32h 20m

Dublin

Sat 8/9

9:50 am-10:56 pm

2 stops21h 06m

$557

PortlandDublin

PDX - DUB

PDXDUB

Portland

Fri 5/30

3:20 pm-1:15 pm

1 stop13h 55m

Dublin

Fri 6/6

12:15 pm-5:55 pm

1 stop13h 40m

$559

PortlandDublin

PDX - DUB

PDXDUB

Portland

Wed 5/28

7:00 am-11:10 am

2 stops20h 10m

Dublin

Wed 8/20

9:50 am-10:30 pm

2 stops20h 40m

$562

PortlandDublin

PDX - DUB

PDXDUB

Portland

Wed 7/16

9:51 am-3:00 pm

2 stops21h 09m

Dublin

Thu 7/24

12:00 pm-11:26 pm

1 stop19h 26m

$566

PortlandDublin

PDX - DUB

PDXDUB

Portland

Fri 9/26

6:15 am-7:45 am

2 stops17h 30m

Dublin

Fri 10/3

9:20 am-6:32 pm

2 stops41h 12m

$568

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 9/16

10:50 pm-11:10 am

1 stop28h 20m

Dublin

Sat 9/27

9:20 am-9:21 am

2 stops32h 01m

$574

PortlandDublin

PDX - DUB

PDXDUB

Portland

Thu 5/29

6:00 am-8:45 am

1 stop18h 45m

Dublin

Thu 8/21

11:00 am-10:20 pm

1 stop19h 20m

$627

PortlandDublin

PDX - DUB

PDXDUB

Portland

Fri 9/26

7:25 pm-7:20 pm

1 stop15h 55m

Dublin

Thu 10/2

8:15 pm-5:35 pm

1 stop29h 20m

$634

PortlandDublin

PDX - DUB

PDXDUB

Portland

Thu 9/18

7:00 am-9:15 am

1 stop18h 15m

Dublin

Mon 9/29

5:55 am-11:20 am

1 stop13h 25m

$694

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 8/25

11:04 am-6:15 pm

2 stops23h 11m

Dublin

Sat 9/6

8:05 pm-5:07 pm

3 stops29h 02m

$706

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/12

Showing 1-10 of 24 results
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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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 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 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 May 9, 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 34 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 $970). 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 May 13, 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 May 13, 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
7,950 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,340 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,278 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,724 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Scandinavian Airlines
7.3
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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?

    British Airways, at $559, was found to be the cheapest airline from Portland to Dublin.Alternate airlines to your destination round-trip include United Airlines and Icelandair. British Airways is priced at 8% 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 $217. British Airways flights start at $383 while deals on Air Canada start at $384 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 $43.

  • 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 $59 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, Orpheum Theatre, and Queen Elizabeth Theatre. Pacific Central Station, Orpheum Theatre, and Queen Elizabeth Theatre can be visited by traveling about 6.6 mi, 6.5 mi, and 6.6 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 $970). 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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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 May 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$345Average$549FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$436Average$587FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$436Average$746FlexibilityNo cancel feeOn-time71%
KLMCheapest$463Average$627FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$473Average$660FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$486Average$707FlexibilityNo cancel feeOn-time67%
DeltaCheapest$495Average$679FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$500Average$662FlexibilityNo cancel feeOn-time76%
IberiaCheapest$508Average$627FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$699Average$900FlexibilityNo cancel feeOn-timeN/A

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