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

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

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

Minneapolis (MSP) has the shortest average layover time for this route: 1h 56m.

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

Air Canada, KLM, and United Airlines are the most popular carriers operating from Portland to Dublin

What airlines fly to Dublin?

Icelandair, United Airlines and British Airways 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 34% of people opting to fly with this airline when traveling to Dublin. Keep in mind that there are 11 different airlines that fly to Dublin on a routine basis, so you have a few additional options to choose from.

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

Reykjavik (KEF) was the most common stop: 36% of momondo users choosing 1-stop flights on this route connected there.

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: 12h 14m.

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 11 operators available for flights from Portland Airport to Dublin Airport as of December 2025.

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.

$347 Cheap Flights from Portland to Dublin in 2025/26

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 $517 to $1,180. The lowest price recently found on this route was $414.

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3:50 pm - 7:30 am

PDX

DUB

31h 40m2 stops

10:40 am - 6:56 pm

DUB

PDX

16h 16m1 stop

$414Lufthansa

dim., janv. 11 - dim., janv. 25

3:50 pm - 7:30 am

PDX

DUB

31h 40m2 stops

10:40 am - 6:56 pm

DUB

PDX

16h 16m1 stop

$416Lufthansa

dim., janv. 11 - dim., janv. 25

7:00 pm - 7:10 am

PDX

DUB

28h 10m2 stops

5:10 am - 6:30 pm

DUB

PDX

21h 20m2 stops

$446Multiple Airlines

mer., janv. 7 - ven., janv. 30

11:59 pm - 9:45 am

PDX

DUB

25h 46m1 stop

9:50 am - 9:30 am

DUB

PDX

31h 40m1 stop

$454United Airlines

ven., avr. 24 - dim., mai 3

5:45 pm - 3:05 pm

PDX

DUB

13h 20m1 stop

8:40 pm - 3:55 pm

DUB

PDX

27h 15m1 stop

$455British Airways

dim., févr. 22 - sam., mars 7

5:35 am - 7:10 am

PDX

DUB

17h 35m2 stops

10:40 am - 6:56 pm

DUB

PDX

16h 16m1 stop

$456Multiple Airlines

dim., janv. 11 - dim., janv. 25

6:00 am - 9:50 am

PDX

DUB

19h 50m2 stops

5:25 pm - 3:55 pm

DUB

PDX

30h 30m1 stop

$458British Airways

sam., janv. 17 - mar., févr. 10

2:13 pm - 5:00 pm

PDX

DUB

18h 47m2 stops

3:10 pm - 3:55 pm

DUB

PDX

32h 45m1 stop

$459British Airways

mar., févr. 10 - sam., févr. 21

8:00 am - 7:20 am

PDX

DUB

15h 20m1 stop

9:50 am - 11:42 am

DUB

PDX

33h 52m2 stops

$460United Airlines

mar., mars 31 - mar., avr. 14

7:05 pm - 8:15 am

PDX

DUB

29h 10m2 stops

9:50 am - 10:10 pm

DUB

PDX

44h 20m2 stops

$462Air Canada

dim., mars 29 - mer., avr. 15

Lufthansa flights from Portland to Dublin

Our best Lufthansa deals on Portland to Dublin flight tickets

Lufthansa

Jan 11

PDX3:50 pmPortland

31h 40m

2 stops

DUB7:30 amDublin

Jan 25

DUB10:40 amDublin

16h 16m

1 stop

PDX6:56 pmPortland

$414

Find similar

Lufthansa

Jan 11

PDX3:50 pmPortland

31h 40m

2 stops

DUB7:30 amDublin

Jan 25

DUB10:40 amDublin

16h 16m

1 stop

PDX6:56 pmPortland

$416

Find similar

Lufthansa

Apr 7

PDX3:15 pmPortland

33h 00m

2 stops

DUB8:15 amDublin

May 8

DUB9:50 amDublin

17h 15m

1 stop

PDX7:05 pmPortland

$468

Find similar

United Airlines flights from Portland to Dublin

Our best United Airlines deals on Portland to Dublin flight tickets

United Airlines

Apr 24

PDX11:59 pmPortland

25h 46m

1 stop

DUB9:45 amDublin

May 3

DUB9:50 amDublin

31h 40m

1 stop

PDX9:30 amPortland

$454

Find similar

United Airlines

Mar 31

PDX8:00 amPortland

15h 20m

1 stop

DUB7:20 amDublin

Apr 17

DUB9:50 amDublin

33h 52m

2 stops

PDX11:42 amPortland

$460

Find similar

United Airlines

Apr 24

PDX7:42 pmPortland

30h 03m

2 stops

DUB9:45 amDublin

May 2

DUB9:50 amDublin

31h 40m

1 stop

PDX9:30 amPortland

$464

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandDublin

PDX - DUB

PDXDUB

Portland

dim. 1/11

3:50 pm-7:30 am

2 stops31h 40m

Dublin

dim. 1/25

10:40 am-6:56 pm

1 stop16h 16m

$414

PortlandDublin

PDX - DUB

PDXDUB

Portland

dim. 1/11

3:50 pm-7:30 am

2 stops31h 40m

Dublin

dim. 1/25

10:40 am-6:56 pm

1 stop16h 16m

$416

PortlandDublin

PDX - DUB

PDXDUB

Portland

mer. 1/7

7:00 pm-7:10 am

2 stops28h 10m

Dublin

ven. 1/30

5:10 am-6:30 pm

2 stops21h 20m

$446

PortlandDublin

PDX - DUB

PDXDUB

Portland

ven. 4/24

11:59 pm-9:45 am

1 stop25h 46m

Dublin

dim. 5/3

9:50 am-9:30 am

1 stop31h 40m

$454

PortlandDublin

PDX - DUB

PDXDUB

Portland

dim. 2/22

5:45 pm-3:05 pm

1 stop13h 20m

Dublin

sam. 3/7

8:40 pm-3:55 pm

1 stop27h 15m

$455

PortlandDublin

PDX - DUB

PDXDUB

Portland

dim. 1/11

5:35 am-7:10 am

2 stops17h 35m

Dublin

dim. 1/25

10:40 am-6:56 pm

1 stop16h 16m

$456

PortlandDublin

PDX - DUB

PDXDUB

Portland

sam. 1/17

6:00 am-9:50 am

2 stops19h 50m

Dublin

mar. 2/10

5:25 pm-3:55 pm

1 stop30h 30m

$458

PortlandDublin

PDX - DUB

PDXDUB

Portland

mar. 2/10

2:13 pm-5:00 pm

2 stops18h 47m

Dublin

sam. 2/21

3:10 pm-3:55 pm

1 stop32h 45m

$459

PortlandDublin

PDX - DUB

PDXDUB

Portland

mar. 3/31

8:00 am-7:20 am

1 stop15h 20m

Dublin

mar. 4/14

9:50 am-11:42 am

2 stops33h 52m

$460

PortlandDublin

PDX - DUB

PDXDUB

Portland

dim. 3/29

7:05 pm-8:15 am

2 stops29h 10m

Dublin

mer. 4/15

9:50 am-10:10 pm

2 stops44h 20m

$462

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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 $487. 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 $517.

What is the cheapest day to depart on your flight to Dublin?

The cheapest day to depart from Portland to Dublin is on a Tuesday. Travelers who choose to depart for Dublin on a Tuesday will often find tickets for as low as $560. Flights from Portland to Dublin on a Saturday will generally be more expensive and average around $743. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Dublin?

At noon is the cheapest time of day to fly from Portland to Dublin when you can find flight prices for as low as $597. Flying to Dublin at noon is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive with an average ticket price of $696.

How far in advance should I book a flight 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 $638 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 $582 on momondo.

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	13h 20m
Direct flights	None

The fastest flight from Portland to Dublin takes 13h 20m

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

Search flight deals

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 13h 20m.
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 11 operators available for flights from Portland Airport to Dublin Airport as of December 2025.
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 (23% of total bookings). The next most popular airlines are United Airlines (18%), British Airways (15%), and Air Canada (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 $364	Free Cancellation	Rating 7.0 591 reviews	Search Icelandair flights
Iberia	PriceFrom $437	Free Cancellation	Rating 7.0 3,053 reviews	Search Iberia flights
United Airlines	PriceFrom $468	Free Cancellation	Rating 7.4 9,095 reviews	Search United Airlines flights
Delta	PriceFrom $475	Free Cancellation	Rating 7.9 8,009 reviews	Search Delta flights
Lufthansa	PriceFrom $477	Free Cancellation	Rating 6.8 7,637 reviews	Search Lufthansa flights
British Airways	PriceFrom $478	Free Cancellation	Rating 6.7 7,586 reviews	Search British Airways flights
American Airlines	PriceFrom $481	Free Cancellation	Rating 7.2 11,054 reviews	Search American Airlines flights
Air France	PriceFrom $483	Free Cancellation	Rating 7.4 1,508 reviews	Search Air France flights
KLM	PriceFrom $489	Free Cancellation	Rating 7.7 1,428 reviews	Search KLM flights
Air Canada	PriceFrom $490	Free Cancellation	Rating 7.1 10,534 reviews	Search Air Canada flights

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Swords

Dundalk

Malahide

Maynooth

Mullingar

Bray

Kildare

Drogheda

Naas

Arklow

Cavan

Castleknock

Wicklow

Leixlip

Thurles

Slane

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 $371

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 1/10. 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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Lufthansa flights from Portland to Dublin

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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?

What is the cheapest day to depart on your flight to Dublin?

What is the cheapest time of day to depart on your flight to Dublin?

At noon is the cheapest time of day to fly from Portland to Dublin when you can find flight prices for as low as $597. Flying to Dublin at noon is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive with an average ticket price of $696.

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

How have Portland to Dublin flight prices changed over time?

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

Air Canada, KLM, and United Airlines are the most popular carriers operating from Portland to Dublin

What airlines fly to Dublin?

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

Reykjavik (KEF) was the most common stop: 36% of momondo users choosing 1-stop flights on this route connected there.

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

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

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: 12h 14m.

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

Minneapolis (MSP) has the shortest average layover time for this route: 1h 56m.

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

How far is Portland to Dublin by plane?

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

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

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

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

What is the most popular airline 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?

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

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

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

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

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.

Get notified when prices go down

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

Find better results for your trip to Ireland

Airports servicing Ireland