Which layover airport has the shortest travel time from Portland to Dublin?

Flights connecting via Reykjavik (KEF) have the shortest average one-way travel time: 11h 51m.

Which airport is the most popular layover for flights between Portland and Dublin?

Reykjavik (KEF) was the most common stop: 40% of momondo users choosing 1-stop flights on this route connected there.

What is the cheapest airline that flies from Portland to Dublin?

United Airlines, Icelandair, and Delta are the most popular carriers operating from Portland to Dublin

Which layover airport has the shortest connection time from Portland to Dublin?

Reykjavik (KEF) has the shortest average layover time for this route: 2h 07m.

What airlines fly to Dublin?

Icelandair, United Airlines and Delta are the top three most popular airlines that fly to Dublin from Portland according to our data. Icelandair is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Dublin. Keep in mind that there are 9 different airlines that fly to Dublin on a routine basis, so you have a few additional options to choose from.

Which layover airport offers the lowest fares from Portland to Dublin?

Flights via Boston (BOS) offer the lowest average round-trip price of $232.

When did momondo last update prices for flights from Portland Airport to Dublin Airport?

Prices for flights from Portland Airport to Dublin Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Portland Airport to Dublin Airport?

There are 9 operators available for flights from Portland Airport to Dublin Airport as of May 2026.

How old do you have to be to fly from Portland Airport to Dublin Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Dublin Airport.

What documentation or ID do you need to fly to Dublin Airport?

The required travel and health documents for your Dublin Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Dublin Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$274 Cheap Flights from Portland to Dublin in 2026

Q: What is the typical price of a round-trip flight between Portland and Dublin?

Prices are currently low for flights on this route. Typical prices usually range from $868 to $590. The lowest price recently found on this route was $725.

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Find the cheapest flights from Portland to Dublin

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

3:30 pm - 1:15 pm

PDX

DUB

13h 45m

1 stop

2:15 pm - 5:55 pm

DUB

PDX

11h 40m

1 stop

$725Icelandair

Mon, Oct 5 - Tue, Oct 13

10:10 am - 7:45 am

PDX

DUB

13h 35m

1 stop

9:50 am - 2:51 pm

DUB

PDX

13h 01m

1 stop

$734Air Canada

Tue, Oct 6 - Fri, Oct 16

7:05 pm - 11:05 am

PDX

DUB

32h 00m

1 stop

10:40 am - 1:50 pm

DUB

PDX

59h 10m

2 stops

$737Multiple Airlines

Wed, Sep 2 - Wed, Sep 9

11:30 pm - 7:20 am

PDX

DUB

23h 50m

1 stop

9:50 am - 11:28 am

DUB

PDX

33h 38m

2 stops

$739United Airlines

Sat, Aug 8 - Tue, Aug 18

3:30 pm - 11:05 am

PDX

DUB

11h 35m

1 stop

12:15 pm - 5:55 pm

DUB

PDX

13h 40m

1 stop

$740Icelandair

Thu, Sep 3 - Fri, Sep 11

11:40 pm - 7:45 am

PDX

DUB

24h 05m

2 stops

9:50 am - 11:28 am

DUB

PDX

33h 38m

2 stops

$742United Airlines

Sat, Aug 8 - Tue, Aug 18

3:30 pm - 11:05 am

PDX

DUB

11h 35m

1 stop

7:55 am - 9:48 am

DUB

PDX

33h 53m

2 stops

$743Multiple Airlines

Thu, Sep 10 - Fri, Sep 25

7:05 pm - 11:05 am

PDX

DUB

32h 00m

1 stop

10:40 am - 1:50 pm

DUB

PDX

35h 10m

2 stops

$744Multiple Airlines

Wed, Sep 9 - Tue, Sep 22

10:10 am - 7:45 am

PDX

DUB

13h 35m

1 stop

9:50 am - 7:06 pm

DUB

PDX

17h 16m

1 stop

$746Multiple Airlines

Tue, Sep 22 - Fri, Oct 2

3:30 pm - 7:45 am

PDX

DUB

32h 15m

1 stop

9:50 am - 2:36 pm

DUB

PDX

36h 46m

2 stops

$747Air Canada

Mon, Oct 5 - Fri, Oct 16

Air Canada flights from Portland to Dublin

Our best Air Canada deals on Portland to Dublin flight tickets

Air Canada

Oct 6

PDX10:10 amPortland

13h 35m

1 stop

DUB7:45 amDublin

Oct 16

DUB9:50 amDublin

13h 01m

1 stop

PDX2:51 pmPortland

$734

Air Canada

Oct 5

PDX3:30 pmPortland

32h 15m

1 stop

DUB7:45 amDublin

Oct 16

DUB9:50 amDublin

36h 46m

2 stops

PDX2:36 pmPortland

$747

Air Canada

Oct 5

PDX3:30 pmPortland

32h 15m

1 stop

DUB7:45 amDublin

Oct 15

DUB9:50 amDublin

40h 15m

2 stops

PDX6:05 pmPortland

$756

American Airlines flights from Portland to Dublin

Our best American Airlines deals on Portland to Dublin flight tickets

American Airlines

Sep 27

PDX7:30 pmPortland

16h 05m

1 stop

DUB7:35 pmDublin

Oct 8

DUB11:45 amDublin

16h 41m

1 stop

PDX8:26 pmPortland

$755

American Airlines

May 15

PDX7:30 pmPortland

14h 20m

1 stop

DUB5:50 pmDublin

May 23

DUB10:30 amDublin

15h 10m

1 stop

PDX5:40 pmPortland

$1,026

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 10/5

3:30 pm-1:15 pm

1 stop13h 45m

Dublin

Tue 10/13

2:15 pm-5:55 pm

1 stop11h 40m

$725

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 10/6

10:10 am-7:45 am

1 stop13h 35m

Dublin

Fri 10/16

9:50 am-2:51 pm

1 stop13h 01m

$734

PortlandDublin

PDX - DUB

PDXDUB

Portland

Wed 9/2

7:05 pm-11:05 am

1 stop32h 00m

Dublin

Wed 9/9

10:40 am-1:50 pm

2 stops59h 10m

$737

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sat 8/8

11:30 pm-7:20 am

1 stop23h 50m

Dublin

Tue 8/18

9:50 am-11:28 am

2 stops33h 38m

$739

Quickest round-trip

PortlandDublin

PDX - DUB

PDXDUB

Portland

Thu 9/3

3:30 pm-11:05 am

1 stop11h 35m

Dublin

Fri 9/11

12:15 pm-5:55 pm

1 stop13h 40m

$740

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sat 8/8

11:40 pm-7:45 am

2 stops24h 05m

Dublin

Tue 8/18

9:50 am-11:28 am

2 stops33h 38m

$742

PortlandDublin

PDX - DUB

PDXDUB

Portland

Thu 9/10

3:30 pm-11:05 am

1 stop11h 35m

Dublin

Fri 9/25

7:55 am-9:48 am

2 stops33h 53m

$743

PortlandDublin

PDX - DUB

PDXDUB

Portland

Wed 9/9

7:05 pm-11:05 am

1 stop32h 00m

Dublin

Tue 9/22

10:40 am-1:50 pm

2 stops35h 10m

$744

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 9/22

10:10 am-7:45 am

1 stop13h 35m

Dublin

Fri 10/2

9:50 am-7:06 pm

1 stop17h 16m

$746

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 10/5

3:30 pm-7:45 am

1 stop32h 15m

Dublin

Fri 10/16

9:50 am-2:36 pm

2 stops36h 46m

$747

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Portland to Dublin

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the typical price of a round-trip flight between Portland and Dublin?

What is the cheapest month to fly to Dublin?

In general, November is the cheapest month to fly from Portland to Dublin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $468. If you’re not able to fly to Dublin in November, then February is your next best option. Flight prices from Portland to Dublin during February average around $484.

How far in advance should I book a flight from Portland to Dublin?

You are more likely to see cheaper flights to Dublin from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around $603 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Portland for as low as $519 on momondo.

Can stopping save me money on Portland to Dublin flights?

You could potentially save up to 6% on your flight if you consider stops on a Portland to Dublin flight.

How have Portland to Dublin flight prices changed over time?

When to book flights from Portland to Dublin

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Dublin according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Portland to Dublin (PDX to DUB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Dublin

Fastest flight time	11h 30m
Direct flights	None

The fastest flight from Portland to Dublin takes 11h 30m

There are no direct flights from Portland to Dublin. There are no popular flight routes from Portland to Dublin.

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Frequently asked questions about flying from Portland to Dublin

How far is Portland to Dublin by plane?
The straight-line distance from Portland to Dublin is 4644.8 mi. A reasonable flight in good conditions will take 11h 30m.
When did momondo last update prices for flights from Portland Airport to Dublin Airport?
Prices for flights from Portland Airport to Dublin Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Portland Airport to Dublin Airport?
There are 9 operators available for flights from Portland Airport to Dublin Airport as of May 2026.
How old do you have to be to fly from Portland Airport to Dublin Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Dublin Airport.
What documentation or ID do you need to fly to Dublin Airport?
The required travel and health documents for your Dublin Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Dublin Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Portland to Dublin?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Portland to Dublin is Icelandair (25% of total bookings). The next most popular airlines are United Airlines (19%), Delta (16%), and British Airways (12%).

Best airlines flying from Portland to Dublin

Compare and see reviews for airlines that fly from Portland to Dublin with momondo

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom $352	Free Cancellation	Rating 7.0 652 reviews	Search Icelandair flights
Iberia	PriceFrom $436	Free Cancellation	Rating 7.0 3,214 reviews	Search Iberia flights
United Airlines	PriceFrom $462	Free Cancellation	Rating 7.4 9,699 reviews	Search United Airlines flights
British Airways	PriceFrom $464	Free Cancellation	Rating 6.7 7,969 reviews	Search British Airways flights
Air Canada	PriceFrom $466	Free Cancellation	Rating 7.1 11,017 reviews	Search Air Canada flights
American Airlines	PriceFrom $466	Free Cancellation	Rating 7.1 11,666 reviews	Search American Airlines flights
KLM	PriceFrom $468	Free Cancellation	Rating 7.8 1,513 reviews	Search KLM flights
Delta	PriceFrom $468	Free Cancellation	Rating 7.9 8,451 reviews	Search Delta flights
Lufthansa	PriceFrom $477	Free Cancellation	Rating 6.8 7,988 reviews	Search Lufthansa flights

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Swords

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Dundalk

Bray

Kildare

Mullingar

Wicklow

Drogheda

Malahide

Portmarnock

Arklow

Castleknock

Leixlip

Carlingford

Cavan

Naas

Maynooth

Slane

Thurles

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Dublin?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Portland to Dublin for you.

Can I find flights from Portland to Dublin with flexible booking policies on momondo?

Flights from Portland to Dublin with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Portland to Dublin?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Dublin from Portland.

I’m not ready to book a flight from Portland to Dublin right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Portland to Dublin flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Dublin trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Portland to Dublin from $274

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Dublin departing on 11/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Portland to Dublin

What is the typical price of a round-trip flight between Portland and Dublin?

What is the cheapest month to fly to Dublin?

How far in advance should I book a flight from Portland to Dublin?

Can stopping save me money on Portland to Dublin flights?

How have Portland to Dublin flight prices changed over time?

What is the cheapest airline that flies from Portland to Dublin?

What airlines fly to Dublin?

Which airport is the most popular layover for flights between Portland and Dublin?

Which layover airport offers the lowest fares from Portland to Dublin?

Which layover airport has the shortest travel time from Portland to Dublin?

Which layover airport has the shortest connection time from Portland to Dublin?

When to book flights from Portland to Dublin

Cheap Portland to Dublin (PDX to DUB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Dublin

Fastest flight time

Direct flights

Frequently asked questions about flying from Portland to Dublin

Best airlines flying from Portland to Dublin

Compare and see reviews for airlines that fly from Portland to Dublin with momondo

Traveling to a place near Dublin?

Why use momondo?

An easier way to manage your Dublin trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Ireland

Airports servicing Ireland

Fly your favorite airline to Dublin

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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List of cabin classes available on flights landing in Dublin. Availability may vary depending on flight origin and airline.

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