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 33% of people opting to fly with this airline when traveling to Dublin. Keep in mind that there are 10 different airlines that fly to Dublin on a routine basis, so you have a few additional options to choose from.

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 25m.

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

Reykjavik (KEF) was the most common stop: 48% 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 Chicago (ORD) offer the lowest average round-trip price of $483.

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

London (LHR) has the shortest average layover time for this route: 2h 01m.

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

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

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 10 operators available for flights from Portland Airport to Dublin Airport as of August 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.

$251 Cheap Flights from Portland to Dublin in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to Dublin

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:30 pm - 1:15 pmPDX Portland-DUB Dublin

13h 45m1 stop Reykjavik Keflavik Intl

12:15 pm - 5:55 pmDUB Dublin-PDX Portland

13h 40m1 stop Reykjavik Keflavik Intl

$601Icelandair

Mon, Sep 28 - Wed, Oct 7

3:30 pm - 1:15 pmPDX Portland-DUB Dublin

13h 45m1 stop Reykjavik Keflavik Intl

12:15 pm - 5:55 pmDUB Dublin-PDX Portland

13h 40m1 stop Reykjavik Keflavik Intl

$611Icelandair

Mon, Oct 5 - Wed, Oct 21

3:30 pm - 12:35 amPDX Portland-DUB Dublin

25h 05m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

2:25 pm - 5:55 pmDUB Dublin-PDX Portland

35h 30m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

$626Multiple Airlines

Mon, Sep 28 - Mon, Oct 5

3:30 pm - 9:15 amPDX Portland-DUB Dublin

33h 45m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Barcelona-El Prat

2:25 pm - 5:55 pmDUB Dublin-PDX Portland

35h 30m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

$699Multiple Airlines

Mon, Sep 28 - Mon, Oct 5

8:46 am - 8:10 amPDX Portland-DUB Dublin

15h 24m1 stop Chicago O'Hare Intl

9:00 am - 5:38 pmDUB Dublin-PDX Portland

40h 38m2 stops Toronto Pearson Intl Denver Intl

$719United Airlines

Tue, Jan 12 - Tue, Mar 2

7:00 am - 7:10 amPDX Portland-DUB Dublin

16h 10m2 stops Vancouver Intl Toronto Pearson Intl

9:00 am - 6:25 pmDUB Dublin-PDX Portland

41h 25m2 stops Toronto Pearson Intl San Francisco

$723Air Canada

Sun, Dec 13 - Thu, Dec 24

7:00 am - 7:10 amPDX Portland-DUB Dublin

16h 10m2 stops Vancouver Intl Toronto Pearson Intl

9:00 am - 7:07 pmDUB Dublin-PDX Portland

42h 07m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$723Air Canada

Wed, Jan 13 - Thu, Jan 28

6:00 am - 7:15 amPDX Portland-DUB Dublin

17h 15m1 stop Dallas/Fort Worth

1:00 pm - 10:00 pmDUB Dublin-PDX Portland

17h 00m1 stop Dallas/Fort Worth

$723Iberia

Wed, Nov 4 - Fri, Nov 13

6:00 am - 7:15 amPDX Portland-DUB Dublin

17h 15m1 stop Dallas/Fort Worth

1:00 pm - 10:00 pmDUB Dublin-PDX Portland

17h 00m1 stop Dallas/Fort Worth

$723Iberia

Wed, Nov 4 - Wed, Nov 18

7:00 am - 8:10 amPDX Portland-DUB Dublin

17h 10m1 stop Chicago O'Hare Intl

9:00 am - 11:12 pmDUB Dublin-PDX Portland

22h 12m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$742United Airlines

Sun, Dec 13 - Thu, Dec 24

Cheap last minute flights

Enter your travel dates to find the best prices.

7:00 pm - 11:05 amPDX Portland-DUB Dublin

32h 05m1 stop Reykjavik Keflavik Intl

12:15 pm - 5:50 pmDUB Dublin-PDX Portland

13h 35m1 stop Reykjavik Keflavik Intl

$777Icelandair

Fri, Aug 21 - Fri, Sep 4

7:00 pm - 11:05 amPDX Portland-DUB Dublin

32h 05m1 stop Reykjavik Keflavik Intl

12:15 pm - 5:50 pmDUB Dublin-PDX Portland

13h 35m1 stop Reykjavik Keflavik Intl

$800Icelandair

Fri, Aug 21 - Fri, Sep 4

7:45 pm - 8:15 amPDX Portland-DUB Dublin

28h 30m2 stops Vancouver Intl Toronto Pearson Intl

9:50 am - 11:28 amDUB Dublin-PDX Portland

33h 38m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$865Air Canada

Mon, Aug 17 - Tue, Sep 1

10:35 am - 9:45 amPDX Portland-DUB Dublin

15h 10m1 stop Chicago O'Hare Intl

9:20 am - 11:28 amDUB Dublin-PDX Portland

34h 08m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$867United Airlines

Wed, Aug 19 - Tue, Sep 1

10:35 am - 9:45 amPDX Portland-DUB Dublin

15h 10m1 stop Chicago O'Hare Intl

9:20 am - 8:10 pmDUB Dublin-PDX Portland

42h 50m2 stops Toronto Pearson Intl Washington, D.C. Dulles Intl

$867United Airlines

Tue, Aug 18 - Tue, Sep 1

7:17 am - 8:15 amPDX Portland-DUB Dublin

16h 58m2 stops Chicago O'Hare Intl Toronto Pearson Intl

9:50 am - 11:28 amDUB Dublin-PDX Portland

33h 38m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$870Air Canada

Tue, Aug 18 - Tue, Sep 1

7:30 pm - 7:40 amPDX Portland-DUB Dublin

28h 10m1 stop London Heathrow

10:30 am - 5:40 pmDUB Dublin-PDX Portland

15h 10m1 stop London Heathrow

$879British Airways

Mon, Aug 17 - Thu, Sep 3

7:30 pm - 7:40 amPDX Portland-DUB Dublin

28h 10m1 stop London Heathrow

12:50 pm - 5:40 pmDUB Dublin-PDX Portland

12h 50m1 stop London Heathrow

$879British Airways

Mon, Aug 17 - Wed, Sep 2

11:36 am - 10:00 amPDX Portland-DUB Dublin

14h 24m1 stop Detroit Metropolitan Wayne County

5:55 am - 11:10 amDUB Dublin-PDX Portland

13h 15m1 stop Amsterdam Schiphol

$880Delta

Wed, Aug 19 - Wed, Sep 2

11:36 am - 10:00 amPDX Portland-DUB Dublin

14h 24m1 stop Detroit Metropolitan Wayne County

5:55 am - 11:10 amDUB Dublin-PDX Portland

13h 15m1 stop Amsterdam Schiphol

$880Delta

Tue, Aug 18 - Tue, Sep 1

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Icelandair flights from Portland to Dublin

Our best Icelandair deals on Portland to Dublin flight tickets

Icelandair

Sep 28

PDX3:30 pmPortland

13h 45m

1 stop

DUB1:15 pmDublin

Oct 7

DUB12:15 pmDublin

13h 40m

1 stop

PDX5:55 pmPortland

$601

Icelandair

Oct 5

PDX3:30 pmPortland

13h 45m

1 stop

DUB1:15 pmDublin

Oct 21

DUB12:15 pmDublin

13h 40m

1 stop

PDX5:55 pmPortland

$611

Icelandair

Sep 10

PDX3:30 pmPortland

11h 35m

1 stop

DUB11:05 amDublin

Sep 23

DUB12:15 pmDublin

13h 40m

1 stop

PDX5:55 pmPortland

$636

Delta flights from Portland to Dublin

Our best Delta deals on Portland to Dublin flight tickets

Delta

Nov 3

PDX7:00 amPortland

17h 45m

1 stop

DUB8:45 amDublin

Nov 17

DUB1:25 pmDublin

29h 55m

1 stop

PDX11:20 amPortland

$733

Delta

Jan 9

PDX9:45 pmPortland

27h 00m

2 stops

DUB8:45 amDublin

Jan 28

DUB1:25 pmDublin

29h 55m

1 stop

PDX11:20 amPortland

$737

Delta

Oct 27

PDX11:25 amPortland

20h 05m

2 stops

DUB2:30 pmDublin

Nov 11

DUB5:45 amDublin

13h 35m

1 stop

PDX11:20 amPortland

$738

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Mon 9/28

3:30 pm-1:15 pm

1 stop13h 45m

Dublin

Wed 10/7

12:15 pm-5:55 pm

1 stop13h 40m

$601

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Mon 10/5

3:30 pm-1:15 pm

1 stop13h 45m

Dublin

Wed 10/21

12:15 pm-5:55 pm

1 stop13h 40m

$611

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Mon 9/28

3:30 pm-12:35 am

2 stops25h 05m

Dublin

Mon 10/5

2:25 pm-5:55 pm

2 stops35h 30m

$626

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Mon 9/28

3:30 pm-9:15 am

3 stops33h 45m

Dublin

Mon 10/5

2:25 pm-5:55 pm

2 stops35h 30m

$699

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Tue 1/12

8:46 am-8:10 am

1 stop15h 24m

Dublin

Tue 3/2

9:00 am-5:38 pm

2 stops40h 38m

$719

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Sun 12/13

7:00 am-7:10 am

2 stops16h 10m

Dublin

Thu 12/24

9:00 am-6:25 pm

2 stops41h 25m

$723

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Wed 1/13

7:00 am-7:10 am

2 stops16h 10m

Dublin

Thu 1/28

9:00 am-7:07 pm

2 stops42h 07m

$723

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Wed 11/4

6:00 am-7:15 am

1 stop17h 15m

Dublin

Fri 11/13

1:00 pm-10:00 pm

1 stop17h 00m

$723

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Wed 11/4

6:00 am-7:15 am

1 stop17h 15m

Dublin

Wed 11/18

1:00 pm-10:00 pm

1 stop17h 00m

$723

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Sun 12/13

7:00 am-8:10 am

1 stop17h 10m

Dublin

Thu 12/24

9:00 am-11:12 pm

2 stops22h 12m

$742

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?

Prices are currently low for flights on this route.

Typical prices usually range from $640 to $933.
The lowest price recently found on this route was $601.

What is the cheapest month to fly to Dublin?

In general, February 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 $484. If you’re not able to fly to Dublin in February, then November is your next best option. Flight prices from Portland to Dublin during November average around $487.

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 $692 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 $639 on momondo.

Can stopping save me money on Portland to Dublin flights?

You could potentially save up to 33% 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.

Search flight deals

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 10 operators available for flights from Portland Airport to Dublin Airport as of August 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 (24% of total bookings). The next most popular airlines are United Airlines (17%), Delta (17%), and British Airways (15%).

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 $370	Free Cancellation	Rating 6.9 731 reviews	Search Icelandair flights
Iberia	PriceFrom $462	Free Cancellation	Rating 7.0 3,257 reviews	Search Iberia flights
British Airways	PriceFrom $465	Free Cancellation	Rating 6.7 8,168 reviews	Search British Airways flights
American Airlines	PriceFrom $466	Free Cancellation	Rating 7.1 11,947 reviews	Search American Airlines flights
United Airlines	PriceFrom $467	Free Cancellation	Rating 7.4 10,105 reviews	Search United Airlines flights
Air Canada	PriceFrom $468	Free Cancellation	Rating 7.1 11,479 reviews	Search Air Canada flights
Delta	PriceFrom $471	Free Cancellation	Rating 7.8 8,505 reviews	Search Delta flights
KLM	PriceFrom $479	Free Cancellation	Rating 7.8 1,559 reviews	Search KLM flights
Lufthansa	PriceFrom $616	Free Cancellation	Rating 6.8 8,195 reviews	Search Lufthansa flights
Aer Lingus	PriceFrom $676	Free Cancellation	Rating 7.3 1,706 reviews	Search Aer Lingus flights

Kilkenny

Swords

Athlone

Kildare

Malahide

Mullingar

Wicklow

Bray

Portmarnock

Leixlip

Dundalk

Carlingford

Drogheda

Arklow

Naas

Slane

Castleknock

Gorey

Cavan

Maynooth

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 $251

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 10/19. 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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Icelandair flights from Portland to Dublin

Our best Icelandair deals on Portland to Dublin flight tickets

Delta flights from Portland to Dublin

Our best Delta deals on Portland to Dublin flight tickets

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See travel insights to Dublin from

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

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.

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

Fly your favorite airline to Dublin

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

Cabin classes currently available on flights to Dublin

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

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Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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