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Cheap flights from Portland to Ireland from €188

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 18/1. 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
0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
Lufthansa Logo
07:00 - 08:10
PDX
-
DUB
17h 10m1 stop
Lufthansa Logo
10:40 - 18:49
DUB
-
PDX
16h 09m1 stop
€368Lufthansa
Fri, 6 Feb - Fri, 20 Feb
Air Canada Logo
19:00 - 07:10
PDX
-
DUB
52h 10m2 stops
Air Canada Logo
09:00 - 09:15
DUB
-
PDX
32h 15m2 stops
€377Air Canada
Fri, 23 Jan - Sun, 8 Feb
British Airways Logo
17:45 - 14:20
PDX
-
DUB
12h 35m1 stop
British Airways Logo
08:50 - 15:55
DUB
-
PDX
15h 05m1 stop
€378British Airways
Fri, 20 Feb - Mon, 23 Feb
British Airways Logo
17:45 - 14:20
PDX
-
DUB
12h 35m1 stop
British Airways Logo
18:00 - 15:55
DUB
-
PDX
29h 55m1 stop
€380British Airways
Fri, 20 Feb - Tue, 24 Feb
British Airways Logo
17:45 - 07:55
PDX
-
DUB
30h 10m1 stop
British Airways Logo
16:05 - 15:55
DUB
-
PDX
31h 50m1 stop
€381British Airways
Sun, 22 Feb - Sat, 7 Mar
Brussels Airlines Logo
07:00 - 08:10
PDX
-
DUB
17h 10m1 stop
Brussels Airlines Logo
10:40 - 19:14
DUB
-
PDX
15h 34m1 stop
€382Brussels Airlines
Tue, 3 Mar - Tue, 17 Mar
United Airlines Logo
07:00 - 08:10
PDX
-
DUB
17h 10m1 stop
United Airlines Logo
09:00 - 18:10
DUB
-
PDX
41h 10m2 stops
€388United Airlines
Tue, 20 Jan - Sat, 31 Jan
American Airlines Logo
17:45 - 16:45
PDX
-
SNN
15h 00m1 stop
American Airlines Logo
07:50 - 15:55
SNN
-
PDX
16h 05m1 stop
€400American Airlines
Mon, 12 Jan - Mon, 19 Jan
American Airlines Logo
17:45 - 21:00
PDX
-
ORK
19h 15m1 stop
American Airlines Logo
07:40 - 15:55
ORK
-
PDX
16h 15m1 stop
€401American Airlines
Sun, 15 Feb - Sun, 22 Feb
United Airlines Logo
05:30 - 10:15
PDX
-
SNN
20h 45m2 stops
United Airlines Logo
12:30 - 21:16
SNN
-
PDX
16h 46m1 stop
€487United Airlines
Thu, 30 Apr - Thu, 14 May

Brussels Airlines flights from Portland to Ireland

Our best Brussels Airlines deals on Portland to Ireland flight tickets
Brussels Airlines
3 Mar
PDX07:00Portland
17h 10m
1 stop
DUB08:10Dublin
17 Mar
DUB10:40Dublin
15h 34m
1 stop
PDX19:14Portland
€382
Find similar
Brussels Airlines
2 Jan
PDX07:10Portland
17h 00m
1 stop
DUB08:10Dublin
10 Feb
DUB10:40Dublin
16h 16m
1 stop
PDX18:56Portland
€394
Find similar
Brussels Airlines
15 Jan
PDX07:00Portland
17h 10m
1 stop
DUB08:10Dublin
21 Jan
DUB10:40Dublin
16h 16m
1 stop
PDX18:56Portland
€583
Find similar

KLM flights from Portland to Ireland

Our best KLM deals on Portland to Ireland flight tickets
KLM
16 Apr
PDX06:30Portland
18h 15m
1 stop
DUB08:45Dublin
24 Apr
DUB08:55Dublin
34h 15m
1 stop
PDX11:10Portland
€405
Find similar
KLM
30 Jan
PDX13:25Portland
26h 00m
1 stop
ORK23:25Cork
6 Feb
ORK06:00Cork
13h 25m
1 stop
PDX11:25Portland
€411
Find similar
KLM
29 Jan
PDX07:00Portland
21h 50m
2 stops
ORK12:50Cork
5 Feb
ORK13:25Cork
30h 00m
1 stop
PDX11:25Portland
€415
Find similar

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 1 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

Fri 6/2

07:00-08:10

1 stop17h 10m

Dublin

Fri 20/2

10:40-18:49

1 stop16h 09m

€368

PortlandDublin

PDX - DUB

PDXDUB

Portland

Fri 23/1

19:00-07:10

2 stops52h 10m

Dublin

Sun 8/2

09:00-09:15

2 stops32h 15m

€377

PortlandDublin

PDX - DUB

PDXDUB

Portland

Fri 20/2

17:45-14:20

1 stop12h 35m

Dublin

Mon 23/2

08:50-15:55

1 stop15h 05m

€378

PortlandDublin

PDX - DUB

PDXDUB

Portland

Fri 20/2

17:45-14:20

1 stop12h 35m

Dublin

Tue 24/2

18:00-15:55

1 stop29h 55m

€380

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 22/2

17:45-07:55

1 stop30h 10m

Dublin

Sat 7/3

16:05-15:55

1 stop31h 50m

€381

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 3/3

07:00-08:10

1 stop17h 10m

Dublin

Tue 17/3

10:40-19:14

1 stop15h 34m

€382

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 20/1

07:00-08:10

1 stop17h 10m

Dublin

Sat 31/1

09:00-18:10

2 stops41h 10m

€388

PortlandShannon

PDX - SNN

PDXSNN

Portland

Mon 12/1

17:45-16:45

1 stop15h 00m

Shannon

Mon 19/1

07:50-15:55

1 stop16h 05m

€400

PortlandCork

PDX - ORK

PDXORK

Portland

Sun 15/2

17:45-21:00

1 stop19h 15m

Cork

Sun 22/2

07:40-15:55

1 stop16h 15m

€401

PortlandShannon

PDX - SNN

PDXSNN

Portland

Thu 30/4

05:30-10:15

2 stops20h 45m

Shannon

Thu 14/5

12:30-21:16

1 stop16h 46m

€487

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 February is another great option to travel to Ireland, with average flight prices from Portland averaging around €439.

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 €544 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 €496 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

12h 50m

Direct flights

None
The fastest flight from Portland to Ireland takes 12h 50m
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.
Start using Trips
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Find better results for your trip to Ireland

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