Dublin

$244+ 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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DUB
oct. 11 — oct. 181
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.

Cheapflights Tip: The best prices from Portland to Dublin are usually found in November or February, booked 84 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 septiembre 11, 2025.

Round-trip from

$407
(oojo)

One-way from

$244
(WestJet)

Popular in

June

Cheapest in

November

Average price

$615
From Portland to Dublin
One-way flight from Portland to Dublin
Highest demand for flights based on searches. 19% potential increase in price ($140 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($26 potential savings vs. average RT price).
Average for round-trip flights in September 2025

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 septiembre 11, 2025.

This oojo deal was found by Cheapflights users on 9/11. 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.
sáb. 10/253:20 pmPDX - DUB
1 stop11h 55mIcelandair
vie. 11/711:30 amDUB - PDX
1 stop13h 30mIcelandair
Deal found 9/11$407
This oojo deal was found by Cheapflights users on 9/11. 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.
lun. 10/203:20 pmPDX - DUB
1 stop13h 55mIcelandair
vie. 10/3111:30 amDUB - PDX
1 stop13h 30mIcelandair
Deal found 9/11$409
This Icelandair deal was found by Cheapflights users on 9/11. 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.
sáb. 10/253:20 pmPDX - DUB
1 stop11h 55mIcelandair
mié. 11/1211:30 amDUB - PDX
1 stop13h 30mIcelandair
Deal found 9/11$417
This FlightHub deal was found by Cheapflights users on 9/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/253:20 pmPDX - DUB
1 stop11h 55mIcelandair
mié. 11/511:30 amDUB - PDX
1 stop13h 30mIcelandair
Deal found 9/10$419
This oojo deal was found by Cheapflights users on 9/11. 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.
mar. 11/252:45 pmPDX - DUB
1 stop11h 30mIcelandair
lun. 12/111:30 amDUB - PDX
1 stop13h 30mIcelandair
Deal found 9/11$430
This FlightHub deal was found by Cheapflights users on 9/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/233:20 pmPDX - DUB
1 stop11h 45mIcelandair
mié. 11/511:30 amDUB - PDX
1 stop13h 30mIcelandair
Deal found 9/10$431
This Icelandair deal was found by Cheapflights users on 9/11. 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.
mar. 10/283:45 pmPDX - DUB
1 stop11h 30mIcelandair
dom. 11/911:30 amDUB - PDX
1 stop13h 30mIcelandair
Deal found 9/11$432
This Gurufare deal was found by Cheapflights users on 9/10. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/223:20 pmPDX - DUB
1 stop13h 55mIcelandair
mié. 11/511:30 amDUB - PDX
1 stop13h 30mIcelandair
Deal found 9/10$435
This oojo deal was found by Cheapflights users on 9/10. 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.
mié. 10/13:20 pmPDX - DUB
1 stop13h 55mIcelandair
vie. 10/3111:30 amDUB - PDX
1 stop13h 30mIcelandair
Deal found 9/10$439

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 septiembre 11, 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

jue. 10/30

8:20 am-10:20 am

1 stop19h 00m

Dublin

vie. 11/7

9:00 am-11:48 am

2 stops34h 48m

$455

PortlandDublin

PDX - DUB

PDXDUB

Portland

mié. 10/1

7:02 am-10:20 am

2 stops19h 18m

Dublin

mié. 10/8

9:20 am-2:46 pm

1 stop13h 26m

$476

PortlandDublin

PDX - DUB

PDXDUB

Portland

vie. 10/31

8:20 am-10:20 am

1 stop19h 00m

Dublin

vie. 11/14

9:00 am-10:33 pm

2 stops21h 33m

$478

PortlandDublin

PDX - DUB

PDXDUB

Portland

sáb. 10/25

8:08 am-11:20 am

1 stop19h 12m

Dublin

dom. 11/9

9:00 am-10:35 pm

2 stops21h 35m

$478

PortlandDublin

PDX - DUB

PDXDUB

Portland

mié. 11/12

7:00 am-8:10 am

1 stop17h 10m

Dublin

sáb. 11/22

9:00 am-10:33 pm

2 stops21h 33m

$478

PortlandDublin

PDX - DUB

PDXDUB

Portland

sáb. 10/25

10:40 am-8:30 am

1 stop13h 50m

Dublin

mié. 11/12

9:00 am-10:35 pm

2 stops21h 35m

$478

PortlandDublin

PDX - DUB

PDXDUB

Portland

sáb. 10/25

10:40 am-8:30 am

1 stop13h 50m

Dublin

vie. 11/14

9:00 am-10:33 pm

2 stops21h 33m

$478

PortlandDublin

PDX - DUB

PDXDUB

Portland

sáb. 10/25

7:00 am-9:10 am

1 stop18h 10m

Dublin

sáb. 11/8

9:00 am-10:33 pm

2 stops21h 33m

$478

PortlandDublin

PDX - DUB

PDXDUB

Portland

jue. 11/27

10:52 am-8:10 am

1 stop13h 18m

Dublin

lun. 12/8

9:00 am-10:15 pm

2 stops21h 15m

$478

PortlandDublin

PDX - DUB

PDXDUB

Portland

jue. 10/30

8:20 am-10:20 am

1 stop19h 00m

Dublin

sáb. 11/8

9:00 am-10:33 pm

2 stops21h 33m

$478

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 23 results
1
2
3

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 August 29, 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 84 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 $924). 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 septiembre 11, 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.

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 septiembre 11, 2025.
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.
8.0
Very good

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

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!
8.0
Very good
8.0
Very good

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

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!
8.0
Very good

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

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!
8.0
Very good

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

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!
8.0
Very good

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

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!
8.0
Very good

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

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.
  • How long is the flight from Portland to Dublin?

    A quick flight from Portland to Dublin can take about 19h. United Airlines provides one of the quickest options available for as low as $455. There are 4635 mi between Portland and Dublin.

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

    Icelandair, at $345, was found to be the cheapest airline from Portland to Dublin.Alternate airlines to your destination round-trip include Iberia and KLM. Icelandair is priced at 42% lower than the current average price of a flight leaving 3 months from now.

  • 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 $41.

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

    Harpa, Hallgrímskirkja, and Laugardalslaug Geothermal Pool are currently the most popular points of interest in Reykjavik at the moment. Harpa, Hallgrímskirkja and Laugardalslaug Geothermal Pool are located about 23.3 mi, 23.2 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 $58 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 Orpheum Theatre, Pacific Central Station, and Capilano Suspension Bridge. Orpheum Theatre, Pacific Central Station, and Capilano Suspension Bridge can be visited by traveling about 6.5 mi, 6.6 mi, and 10.6 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 $56.

  • 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 $509). Flying from Portland to Dublin in June is currently the most expensive (average of $924). 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
Swords
Wicklow
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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$345Average$550FlexibilityNo cancel feeOn-time76%
IberiaCheapest$437Average$591FlexibilityNo cancel feeOn-time77%
KLMCheapest$461Average$617FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$468Average$635FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$469Average$651FlexibilityNo cancel feeOn-time69%
DeltaCheapest$483Average$667FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$486Average$741FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$486Average$743FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$490Average$650FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$493Average$572FlexibilityNo cancel feeOn-time77%

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.