Which airport typically offers the quickest layover for flights from Portland to Dublin?

Flights via Reykjavik (KEF) offer the fastest connection on this route, with an average layover time of 1h 15m.

What’s the top layover airport for flights from Portland to Dublin?

Dallas (DFW) – chosen by Cheapflights users on 50% of 1-stop itineraries from Portland to Dublin on Cheapflights.

What’s the cheapest layover airport for flights from Portland to Dublin?

Reykjavik (KEF) is the most affordable 1-stop option, with an average round-trip price of $664.

What’s the fastest layover option from Portland to Dublin?

Flights via Reykjavik (KEF) have the shortest average one-way travel time for 1-stop routes: 11h 45m.

How long is the flight from Portland to Dublin?

A quick flight from Portland to Dublin can take about 25h 46m. United Airlines provides one of the quickest options available for as low as $454. There are 4635 mi between Portland and Dublin.

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

Icelandair, at $360, was found to be the cheapest airline from Portland to Dublin.Alternate airlines to your destination round-trip include Iberia and United Airlines. Icelandair is priced at 43% 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 $201. American Airlines flights start at $344 while deals on Delta start at $378 one-way.

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.

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).

What are the most popular airlines that fly from Portland to Dublin?

The most popular airlines flying from Portland to Dublin are Icelandair, United Airlines and British Airways. Something to consider prior to booking your flight.

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.

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

Portland to Dublin flights have a layover in Chicago least often. Vancouver sees the second fewest layovers for non-direct flights 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 $32.

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 $52 per day to make their sightseeing more efficient.

Most accurate provider : When it comes to deals on Portland-Dublin flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Portland-Dublin flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

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.

$287+ Flights from Portland to Dublin

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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 December 28, 2025.

Fri 12/2611:02 amPDX - DUB

2 stops14h 53mUnited Airlines

Fri 1/910:40 amDUB - PDX

1 stop16h 16mUnited Airlines

Deal found 12/25

$484

Sat 12/276:15 amPDX - DUB

1 stop17h 30mDelta

Thu 1/81:25 pmDUB - PDX

2 stops42h 52mDelta

Deal found 12/25

$557

Sun 12/285:30 amPDX - DUB

2 stops19h 50mDelta

Thu 1/88:50 amDUB - PDX

2 stops39h 18mDelta

Deal found 12/25

$562

Thu 12/2512:29 pmPDX - DUB

2 stops19h 51mDelta

Thu 1/81:25 pmDUB - PDX

2 stops42h 52mDelta

Deal found 12/25

$567

Sat 12/273:15 pmPDX - DUB

2 stops31h 55mAir Canada

Thu 1/83:30 pmDUB - PDX

2 stops49h 45mAir Canada

Deal found 12/25

$583

Fri 12/261:25 pmPDX - DUB

1 stop34h 40mDelta

Thu 1/88:50 amDUB - PDX

1 stop34h 35mDelta

Deal found 12/25

$603

Thu 12/257:10 amPDX - DUB

1 stop17h 00mLufthansa

Thu 1/810:40 amDUB - PDX

1 stop16h 16mLufthansa

Deal found 12/25

$639

Best flights from Portland to Dublin
Discover carefully curated flight deals from Portland to Dublin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

Thu 4/2311:59 pmPDX - DUB

1 stop25h 46mUnited Airlines

Wed 5/139:50 amDUB - PDX

1 stop31h 40mUnited Airlines

Deal found 12/25

$454

Mon 2/95:45 pmPDX - DUB

1 stop13h 35mBritish Airways

Mon 2/168:50 amDUB - PDX

1 stop15h 05mBritish Airways

Deal found 12/26

$469

Sat 4/2511:59 pmPDX - DUB

1 stop25h 46mUnited Airlines

Sun 5/39:50 amDUB - PDX

1 stop31h 40mUnited Airlines

Deal found 12/26

$454

Fri 3/65:45 pmPDX - DUB

1 stop12h 35mBritish Airways

Tue 3/171:25 pmDUB - PDX

1 stop34h 30mBritish Airways

Deal found 12/27

$469

Wed 4/2911:59 pmPDX - DUB

1 stop25h 46mUnited Airlines

Sun 5/109:50 amDUB - PDX

1 stop31h 40mUnited Airlines

Deal found 12/25

$454

Fri 3/65:45 pmPDX - DUB

1 stop13h 20mBritish Airways

Thu 3/198:40 pmDUB - PDX

1 stop27h 15mBritish Airways

Deal found 12/27

$469

Mon 4/2711:59 pmPDX - DUB

1 stop25h 46mUnited Airlines

Sat 5/99:50 amDUB - PDX

1 stop31h 40mUnited Airlines

Deal found 12/25

$454

Fri 3/65:45 pmPDX - DUB

1 stop13h 20mBritish Airways

Mon 3/168:50 amDUB - PDX

1 stop15h 05mBritish Airways

Deal found 12/27

$469

Fri 2/2010:56 amPDX - DUB

1 stop13h 14mUnited Airlines

Sat 2/289:00 amDUB - PDX

2 stops46h 14mUnited Airlines

Deal found 12/26

$456

Fri 3/65:45 pmPDX - DUB

1 stop13h 20mBritish Airways

Sat 3/144:05 pmDUB - PDX

1 stop31h 50mBritish Airways

Deal found 12/27

$469

Thu 4/2311:59 pmPDX - DUB

2 stops23h 21mUnited Airlines

Mon 4/279:50 amDUB - PDX

2 stops33h 56mUnited Airlines

Deal found 12/25

$464

Fri 4/247:05 pmPDX - DUB

2 stops28h 15mUnited Airlines

Sat 5/99:50 amDUB - PDX

1 stop31h 40mUnited Airlines

Deal found 12/25

$464

Last-minute flights from Portland to Dublin
Discover last-minute flight deals from Portland to Dublin. Data last updated December 28, 2025 and is based on user searches.

Mon 1/511:02 amPDX - DUB

1 stop13h 08mMultiple Airlines

Sun 1/189:00 amDUB - PDX

2 stops32h 15mMultiple Airlines

Deal found 12/25

$470

Thu 1/83:15 pmPDX - DUB

2 stops31h 55mAir Canada

Sun 1/189:00 amDUB - PDX

2 stops32h 15mAir Canada

Deal found 12/24

$471

Sun 1/1111:59 pmPDX - DUB

1 stop24h 11mUnited Airlines

Sun 1/259:30 amDUB - PDX

1 stop20h 19mUnited Airlines

Deal found 12/27

$475

Tue 1/207:00 amPDX - DUB

1 stop17h 10mLufthansa

Tue 2/310:40 amDUB - PDX

2 stops21h 51mLufthansa

Deal found 12/27

$416

Tue 1/207:00 amPDX - DUB

1 stop17h 10mMultiple Airlines

Tue 2/310:40 amDUB - PDX

2 stops21h 51mMultiple Airlines

Deal found 12/27

$423

Tue 1/207:00 amPDX - DUB

1 stop17h 45mKLM

Tue 2/38:50 amDUB - PDX

1 stop34h 35mKLM

Deal found 12/26

$472

Tue 1/207:00 amPDX - DUB

2 stops24h 45mDelta

Tue 2/31:25 pmDUB - PDX

1 stop30h 00mDelta

Deal found 12/26

$477

Thu 1/227:00 amPDX - DUB

1 stop17h 10mMultiple Airlines

Thu 1/296:35 pmDUB - PDX

2 stops35h 57mMultiple Airlines

Deal found 12/26

$439

Thu 1/227:00 amPDX - DUB

1 stop17h 10mBrussels Airlines

Thu 1/2910:40 amDUB - PDX

1 stop16h 16mBrussels Airlines

Deal found 12/24

$460

Thu 1/222:18 pmPDX - DUB

2 stops19h 07mBritish Airways

Thu 1/298:40 pmDUB - PDX

2 stops31h 47mBritish Airways

Deal found 12/24

$461

Fri 1/307:00 amPDX - DUB

1 stop17h 10mBrussels Airlines

Thu 2/510:40 amDUB - PDX

1 stop16h 16mBrussels Airlines

Deal found 12/27

$446

One-way flights from Portland to Dublin
Search for one-way flight options from Portland to Dublin. Find affordable one-way fares based on user searches. Data last updated December 28, 2025.

Mon 4/273:30 pmPDX - DUB

2 stops17h 35mMultiple Airlines

Deal found 12/27

$287

Mon 4/203:30 pmPDX - DUB

2 stops17h 35mMultiple Airlines

Deal found 12/25

$292

Mon 3/233:45 pmPDX - DUB

2 stops34h 00mMultiple Airlines

Deal found 12/26

$325

Mon 3/233:45 pmPDX - DUB

1 stop11h 30mIcelandair

Deal found 12/26

$346

Sun 1/251:38 pmPDX - DUB

3 stops41h 52mMultiple Airlines

Deal found 12/26

$347

Sun 1/255:45 pmPDX - DUB

1 stop13h 20mBritish Airways

Deal found 12/26

$363

Thu 1/87:00 amPDX - DUB

1 stop17h 10mLufthansa

Deal found 12/27

$365

Thu 1/87:00 amPDX - DUB

1 stop17h 10mBrussels Airlines

Deal found 12/27

$377

Find flight deals from Portland to Dublin

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$416 (Kiwi.com)
One-way from	$287 (Kiwi.com)
Popular in	June
Cheapest in	November
Average price	$842

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. 14% potential increase in price ($107 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

PortlandDublin

PDX - DUB

PDXDUB

Portland

Thu 4/23

11:59 pm-9:45 am

1 stop25h 46m

Dublin

Wed 5/13

9:50 am-9:30 am

1 stop31h 40m

$454

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sat 4/25

11:59 pm-9:45 am

1 stop25h 46m

Dublin

Sun 5/3

9:50 am-9:30 am

1 stop31h 40m

$454

PortlandDublin

PDX - DUB

PDXDUB

Portland

Wed 4/29

11:59 pm-9:45 am

1 stop25h 46m

Dublin

Sun 5/10

9:50 am-9:30 am

1 stop31h 40m

$454

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 4/27

11:59 pm-9:45 am

1 stop25h 46m

Dublin

Sat 5/9

9:50 am-9:30 am

1 stop31h 40m

$454

PortlandDublin

PDX - DUB

PDXDUB

Portland

Fri 2/20

10:56 am-8:10 am

1 stop13h 14m

Dublin

Sat 2/28

9:00 am-11:14 pm

2 stops46h 14m

$456

PortlandDublin

PDX - DUB

PDXDUB

Portland

Thu 4/23

11:59 pm-7:20 am

2 stops23h 21m

Dublin

Mon 4/27

9:50 am-11:46 am

2 stops33h 56m

$464

PortlandDublin

PDX - DUB

PDXDUB

Portland

Fri 4/24

7:05 pm-7:20 am

2 stops28h 15m

Dublin

Sat 5/9

9:50 am-9:30 am

1 stop31h 40m

$464

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 2/9

5:45 pm-3:20 pm

1 stop13h 35m

Dublin

Mon 2/16

8:50 am-3:55 pm

1 stop15h 05m

$469

PortlandDublin

PDX - DUB

PDXDUB

Portland

Fri 3/6

5:45 pm-2:20 pm

1 stop12h 35m

Dublin

Tue 3/17

1:25 pm-4:55 pm

1 stop34h 30m

$469

PortlandDublin

PDX - DUB

PDXDUB

Portland

Fri 3/6

5:45 pm-3:05 pm

1 stop13h 20m

Dublin

Thu 3/19

8:40 pm-4:55 pm

1 stop27h 15m

$469

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/27

Showing 1-10 of 20 results

Compare providers for flights from Portland to Dublin

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Dublin in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
AranGrant	Price Accuracy2 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Portland-Dublin flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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

Prices

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 88 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 $356). Flying from Portland to Dublin in June is currently the most expensive (average of $632). 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?

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 14% on airfare.

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

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.

Reviews of airlines servicing Dublin

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.

Delta

7.9

Good

8,016 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Delta

7.9

Good

8,016 reviews

Delta

7.9

Good

8,016 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

United Airlines

7.4

Good

9,114 reviews

Delta

7.9

Good

8,016 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Air Canada

7.1

Good

10,562 reviews

Delta

7.9

Good

8,016 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Icelandair

7.0

Good

592 reviews

Delta

7.9

Good

8,016 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

British Airways

6.7

Okay

7,616 reviews

Delta

7.9

Good

8,016 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

How long is the flight from Portland to Dublin?
A quick flight from Portland to Dublin can take about 25h 46m. United Airlines provides one of the quickest options available for as low as $454. There are 4635 mi between Portland and Dublin.
What are the cheapest airlines flying from Portland to Dublin round-trip?
Icelandair, at $360, was found to be the cheapest airline from Portland to Dublin.Alternate airlines to your destination round-trip include Iberia and United Airlines. Icelandair is priced at 43% 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 $201. American Airlines flights start at $344 while deals on Delta start at $378 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.
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 $32.
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 $52 per day to make their sightseeing more efficient.
Where are the least popular layover locations for Portland to Dublin flights?
Portland to Dublin flights have a layover in Chicago least often. Vancouver sees the second fewest layovers for non-direct flights flying from Portland to Dublin.
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 $356). Flying from Portland to Dublin in June is currently the most expensive (average of $632). 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

Maynooth

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Other flights to Dublin

Top 10 airlines flying from Portland to Dublin

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest$362	Average$541	FlexibilityNo cancel fee	On-time76%
Iberia	Cheapest$437	Average$586	FlexibilityNo cancel fee	On-time77%
United Airlines	Cheapest$468	Average$646	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$469	Average$745	FlexibilityNo cancel fee	On-time71%
British Airways	Cheapest$474	Average$649	FlexibilityNo cancel fee	On-time70%
Delta	Cheapest$475	Average$684	FlexibilityNo cancel fee	On-timeN/A
Lufthansa	Cheapest$477	Average$700	FlexibilityNo cancel fee	On-time76%
Air France	Cheapest$483	Average$592	FlexibilityNo cancel fee	On-time77%
KLM	Cheapest$489	Average$637	FlexibilityNo cancel fee	On-time75%
Air Canada	Cheapest$490	Average$747	FlexibilityNo cancel fee	On-time67%

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$287+ 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Portland to Dublin with Cheapflights

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Cheap flight deals from Portland to Dublin

Cheapest flights from Portland to DublinExplore 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 December 28, 2025.

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 December 28, 2025.

Find flight deals from Portland to Dublin

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portland to Dublin that are best for you.

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 December.

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.

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?

What is the cheapest month to book a flight from Portland to Dublin?

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

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

What’s the top layover airport for flights from Portland to Dublin?

What’s the cheapest layover airport for flights from Portland to Dublin?

What’s the fastest layover option from Portland to Dublin?

Which airport typically offers the quickest layover for flights from Portland to Dublin?

Reviews of airlines servicing Dublin

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.

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?

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

What are the cheapest airlines to fly from Portland to Dublin 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?

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

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?

How can I find direct flights from Portland to Dublin?

Can I find deals for business class flights from Portland to Dublin?

What is the cheapest month to book a flight from Portland to Dublin?

Traveling to a place near Dublin?

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Alternative routes for Portland to Dublin

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Top 10 airlines flying from Portland to Dublin

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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 December 28, 2025.