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Cheap flights from Portland to Ireland from €217

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 Ireland departing on 19/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Portland to Ireland

Cheap return flights

Enter your travel dates to find the best prices.
Icelandair Logo
15:45 - 10:15PDX  Portland-DUB Dublin
11h 30m1 stop Reykjavik Keflavik Intl
Icelandair Logo
11:30 - 18:00DUB  Dublin-PDX Portland
13h 30m1 stop Reykjavik Keflavik Intl
€504Icelandair
Mon, 26 Oct - Fri, 30 Oct
Icelandair Logo
15:30 - 11:05PDX  Portland-DUB Dublin
11h 35m1 stop Reykjavik Keflavik Intl
Icelandair Logo
12:15 - 17:55DUB  Dublin-PDX Portland
13h 40m1 stop Reykjavik Keflavik Intl
€507Icelandair
Thu, 8 Oct - Sun, 18 Oct
Icelandair Logo
15:30 - 13:15PDX  Portland-DUB Dublin
13h 45m1 stop Reykjavik Keflavik Intl
Icelandair Logo
12:15 - 17:55DUB  Dublin-PDX Portland
13h 40m1 stop Reykjavik Keflavik Intl
€513Icelandair
Mon, 28 Sep - Wed, 7 Oct
Icelandair Logo
15:30 - 13:15PDX  Portland-DUB Dublin
13h 45m1 stop Reykjavik Keflavik Intl
Icelandair Logo
11:30 - 18:00DUB  Dublin-PDX Portland
13h 30m1 stop Reykjavik Keflavik Intl
€529Icelandair
Wed, 21 Oct - Fri, 30 Oct
Icelandair Logo
15:30 - 13:15PDX  Portland-DUB Dublin
13h 45m1 stop Reykjavik Keflavik Intl
Icelandair Logo
12:15 - 17:55DUB  Dublin-PDX Portland
13h 40m1 stop Reykjavik Keflavik Intl
€534Icelandair
Mon, 21 Sep - Wed, 7 Oct
Icelandair Logo
15:30 - 11:15PDX  Portland-DUB Dublin
11h 45m1 stop Reykjavik Keflavik Intl
Icelandair Logo
11:30 - 18:00DUB  Dublin-PDX Portland
13h 30m1 stop Reykjavik Keflavik Intl
€535Icelandair
Sat, 24 Oct - Fri, 30 Oct
Icelandair Logo
14:45 - 10:15PDX  Portland-DUB Dublin
11h 30m1 stop Reykjavik Keflavik Intl
Icelandair Logo
11:30 - 17:00DUB  Dublin-PDX Portland
13h 30m1 stop Reykjavik Keflavik Intl
€536Icelandair
Sat, 28 Nov - Wed, 2 Dec
Icelandair Logo
15:30 - 13:15PDX  Portland-DUB Dublin
13h 45m1 stop Reykjavik Keflavik Intl
Icelandair Logo
12:15 - 17:55DUB  Dublin-PDX Portland
13h 40m1 stop Reykjavik Keflavik Intl
€538Icelandair
Mon, 28 Sep - Wed, 14 Oct
Icelandair Logo
15:45 - 10:15PDX  Portland-DUB Dublin
11h 30m1 stop Reykjavik Keflavik Intl
Icelandair Logo
11:30 - 17:00DUB  Dublin-PDX Portland
13h 30m1 stop Reykjavik Keflavik Intl
€541Icelandair
Mon, 26 Oct - Wed, 4 Nov
Icelandair Logo
14:45 - 10:15PDX  Portland-DUB Dublin
11h 30m1 stop Reykjavik Keflavik Intl
Icelandair Logo
11:30 - 17:00DUB  Dublin-PDX Portland
13h 30m1 stop Reykjavik Keflavik Intl
€549Icelandair
Mon, 30 Nov - Wed, 16 Dec

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Icelandair flights from Portland to Ireland

Our best Icelandair deals on Portland to Ireland flight tickets
Icelandair
26 Oct
PDX15:45Portland
11h 30m
1 stop
DUB10:15Dublin
30 Oct
DUB11:30Dublin
13h 30m
1 stop
PDX18:00Portland
€504
Icelandair
8 Oct
PDX15:30Portland
11h 35m
1 stop
DUB11:05Dublin
18 Oct
DUB12:15Dublin
13h 40m
1 stop
PDX17:55Portland
€507
Icelandair
28 Sept
PDX15:30Portland
13h 45m
1 stop
DUB13:15Dublin
7 Oct
DUB12:15Dublin
13h 40m
1 stop
PDX17:55Portland
€513

United Airlines flights from Portland to Ireland

Our best United Airlines deals on Portland to Ireland flight tickets
United Airlines
25 Nov
PDX08:40Portland
15h 30m
1 stop
DUB08:10Dublin
3 Dec
DUB09:00Dublin
40h 38m
2 stops
PDX17:38Portland
€622
United Airlines
21 Sept
PDX07:02Portland
16h 28m
1 stop
SNN07:30Shannon
6 Oct
SNN12:30Shannon
16h 57m
1 stop
PDX21:27Portland
€667
United Airlines
8 Sept
PDX10:35Portland
12h 55m
1 stop
SNN07:30Shannon
15 Sept
SNN12:30Shannon
17h 33m
1 stop
PDX22:03Portland
€703

momondo Fare Finder

 
Customise your flight search to find flights from Portland to Ireland 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, momondo users made 13,528 searches. Data last updated 10 August 2026.
Use the filters below to find and compare flights from Portland to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Mon 26/10

15:45-10:15

1 stop11h 30m

Dublin

Fri 30/10

11:30-18:00

1 stop13h 30m

€504

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Thu 8/10

15:30-11:05

1 stop11h 35m

Dublin

Sun 18/10

12:15-17:55

1 stop13h 40m

€507

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Mon 28/9

15:30-13:15

1 stop13h 45m

Dublin

Wed 7/10

12:15-17:55

1 stop13h 40m

€513

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Wed 21/10

15:30-13:15

1 stop13h 45m

Dublin

Fri 30/10

11:30-18:00

1 stop13h 30m

€529

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Mon 21/9

15:30-13:15

1 stop13h 45m

Dublin

Wed 7/10

12:15-17:55

1 stop13h 40m

€534

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Sat 24/10

15:30-11:15

1 stop11h 45m

Dublin

Fri 30/10

11:30-18:00

1 stop13h 30m

€535

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Sat 28/11

14:45-10:15

1 stop11h 30m

Dublin

Wed 2/12

11:30-17:00

1 stop13h 30m

€536

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Mon 28/9

15:30-13:15

1 stop13h 45m

Dublin

Wed 14/10

12:15-17:55

1 stop13h 40m

€538

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Mon 26/10

15:45-10:15

1 stop11h 30m

Dublin

Wed 4/11

11:30-17:00

1 stop13h 30m

€541

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Mon 30/11

14:45-10:15

1 stop11h 30m

Dublin

Wed 16/12

11:30-17:00

1 stop13h 30m

€549

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ireland from

How to get the cheapest flight ticket from Portland to Ireland

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

What is the cheapest month to fly to Ireland?

The month of November is another great option to travel to Ireland, with average flight prices from Portland averaging around €421.

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

You are more likely to see cheaper flights to Ireland from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around €583 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Portland for as low as €538 on momondo.

Cheap Portland to Ireland flight deals and tips

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

Fastest flight time

11h 30m

Direct flights

None
The fastest flight from Portland to Ireland takes 11h 30m
There are no direct flights from Portland to Ireland. There are no popular flight routes from Portland to Ireland.
Search flight deals

Frequently asked questions about flying from Portland to Ireland

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The necessary travel and health documents for your Ireland trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

It is quick and easy to find Portland to Ireland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ireland that suits you.

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

momondo does allow users to show only those flights to Ireland from Portland which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Portland and Ireland by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Ireland, momondo offers a useful price alert feature which will track prices for flights to Ireland from Portland and alert you when they change.

An easier way to manage your Ireland trip

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