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Cheap flights from Portland to Ireland from €180

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 31/5. 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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0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
Icelandair Logo
15:30 - 11:05
PDX
-
DUB
11h 35m
1 stop
Icelandair Logo
14:15 - 18:00
DUB
-
PDX
11h 45m
1 stop
€311Icelandair
Thu, 23 Apr - Mon, 27 Apr
Icelandair Logo
15:30 - 13:15
PDX
-
DUB
13h 45m
1 stop
Icelandair Logo
12:15 - 18:00
DUB
-
PDX
13h 45m
1 stop
€314Icelandair
Mon, 20 Apr - Wed, 29 Apr
Icelandair Logo
15:30 - 11:05
PDX
-
DUB
11h 35m
1 stop
Icelandair Logo
12:15 - 18:00
DUB
-
PDX
13h 45m
1 stop
€318Icelandair
Tue, 28 Apr - Wed, 6 May
Icelandair Logo
15:30 - 11:05
PDX
-
DUB
11h 35m
1 stop
Icelandair Logo
12:15 - 18:00
DUB
-
PDX
13h 45m
1 stop
€333Icelandair
Sat, 18 Apr - Wed, 29 Apr
Icelandair Logo
15:30 - 11:05
PDX
-
DUB
11h 35m
1 stop
Icelandair Logo
12:15 - 18:00
DUB
-
PDX
13h 45m
1 stop
€334Icelandair
Tue, 21 Apr - Wed, 29 Apr
British Airways Logo
17:45 - 15:05
PDX
-
DUB
13h 20m
1 stop
British Airways Logo
14:15 - 16:55
DUB
-
PDX
33h 40m
1 stop
€341British Airways
Sun, 1 Mar - Tue, 10 Mar
British Airways Logo
17:45 - 16:50
PDX
-
DUB
15h 05m
1 stop
British Airways Logo
20:40 - 16:55
DUB
-
PDX
27h 15m
1 stop
€343British Airways
Sun, 1 Mar - Tue, 10 Mar
KLM Logo
13:25 - 23:25
PDX
-
ORK
26h 00m
1 stop
KLM Logo
06:00 - 11:25
ORK
-
PDX
13h 25m
1 stop
€411KLM
Fri, 27 Feb - Fri, 6 Mar
American Airlines Logo
06:35 - 11:30
PDX
-
SNN
20h 55m
2 stops
American Airlines Logo
07:50 - 21:58
SNN
-
PDX
22h 08m
2 stops
€417American Airlines
Sat, 28 Feb - Sat, 7 Mar
Delta Logo
00:30 - 10:45
PDX
-
ORK
27h 15m
2 stops
Delta Logo
17:10 - 11:10
ORK
-
PDX
26h 00m
1 stop
€421Delta
Mon, 16 Mar - Tue, 31 Mar

Icelandair flights from Portland to Ireland

Our best Icelandair deals on Portland to Ireland flight tickets
Icelandair
23 Apr
PDX15:30Portland
11h 35m
1 stop
DUB11:05Dublin
27 Apr
DUB14:15Dublin
11h 45m
1 stop
PDX18:00Portland
€311
Icelandair
20 Apr
PDX15:30Portland
13h 45m
1 stop
DUB13:15Dublin
29 Apr
DUB12:15Dublin
13h 45m
1 stop
PDX18:00Portland
€314
Icelandair
28 Apr
PDX15:30Portland
11h 35m
1 stop
DUB11:05Dublin
6 May
DUB12:15Dublin
13h 45m
1 stop
PDX18:00Portland
€318

British Airways flights from Portland to Ireland

Our best British Airways deals on Portland to Ireland flight tickets
British Airways
1 Mar
PDX17:45Portland
13h 20m
1 stop
DUB15:05Dublin
10 Mar
DUB14:15Dublin
33h 40m
1 stop
PDX16:55Portland
€341
British Airways
1 Mar
PDX17:45Portland
15h 05m
1 stop
DUB16:50Dublin
10 Mar
DUB20:40Dublin
27h 15m
1 stop
PDX16:55Portland
€343
British Airways
11 Feb
PDX06:00Portland
19h 40m
2 stops
DUB09:40Dublin
17 Feb
DUB14:15Dublin
33h 40m
1 stop
PDX15:55Portland
€345

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 15 January 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

PortlandDublin

PDX - DUB

PDXDUB

Portland

Thu 23/4

15:30-11:05

1 stop11h 35m

Dublin

Mon 27/4

14:15-18:00

1 stop11h 45m

€311

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 20/4

15:30-13:15

1 stop13h 45m

Dublin

Wed 29/4

12:15-18:00

1 stop13h 45m

€314

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 28/4

15:30-11:05

1 stop11h 35m

Dublin

Wed 6/5

12:15-18:00

1 stop13h 45m

€318

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sat 18/4

15:30-11:05

1 stop11h 35m

Dublin

Wed 29/4

12:15-18:00

1 stop13h 45m

€333

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 21/4

15:30-11:05

1 stop11h 35m

Dublin

Wed 29/4

12:15-18:00

1 stop13h 45m

€334

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 1/3

17:45-15:05

1 stop13h 20m

Dublin

Tue 10/3

14:15-16:55

1 stop33h 40m

€341

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 1/3

17:45-16:50

1 stop15h 05m

Dublin

Tue 10/3

20:40-16:55

1 stop27h 15m

€343

PortlandCork

PDX - ORK

PDXORK

Portland

Fri 27/2

13:25-23:25

1 stop26h 00m

Cork

Fri 6/3

06:00-11:25

1 stop13h 25m

€411

PortlandShannon

PDX - SNN

PDXSNN

Portland

Sat 28/2

06:35-11:30

2 stops20h 55m

Shannon

Sat 7/3

07:50-21:58

2 stops22h 08m

€417

PortlandCork

PDX - ORK

PDXORK

Portland

Mon 16/3

00:30-10:45

2 stops27h 15m

Cork

Tue 31/3

17:10-11:10

1 stop26h 00m

€421

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 February is another great option to travel to Ireland, with average flight prices from Portland averaging around €444.

How far in advance should I book a flight 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 €537 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 €500 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 35m

Direct flights

None
The fastest flight from Portland to Ireland takes 11h 35m
There are no direct flights from Portland to Ireland. There are no popular flight routes from Portland to Ireland.
Search flight deals

  • 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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Find better results for your trip to Ireland

Popular Cities in Ireland

Popular flights according to clicks in the last 7 days on momondo
Flights to Dublinfrom €40
Flights to Corkfrom €90
Flights to Shannon, Clarefrom €94
Flights to Donegalfrom €74
Flights to Milltown (Kerry)from €39