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Cheap flights from Portland to Ireland from €277

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 21/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
Icelandair Logo
15:45 - 13:15PDX-DUB
13h 30m1 stop
Icelandair Logo
14:15 - 17:55DUB-PDX
11h 40m1 stop
€347Icelandair
Find Deal
Mon, 4 May - Mon, 18 May
Icelandair Logo
14:45 - 10:15PDX-DUB
11h 30m1 stop
Icelandair Logo
11:30 - 17:00DUB-PDX
13h 30m1 stop
€370Icelandair
Find Deal
Tue, 2 Dec - Wed, 10 Dec
Air Canada Logo
15:15 - 07:10PDX-DUB
55h 55m2 stops
Air Canada Logo
09:00 - 09:15DUB-PDX
32h 15m2 stops
€385Air Canada
Find Deal
Sun, 11 Jan - Sat, 24 Jan
Brussels Airlines Logo
07:00 - 08:10PDX-DUB
17h 10m1 stop
Brussels Airlines Logo
10:40 - 18:56DUB-PDX
16h 16m1 stop
€386Brussels Airlines
Find Deal
Wed, 28 Jan - Fri, 6 Feb
Brussels Airlines Logo
07:00 - 08:10PDX-DUB
17h 10m1 stop
Brussels Airlines Logo
10:40 - 18:45DUB-PDX
16h 05m1 stop
€387Brussels Airlines
Find Deal
Tue, 9 Dec - Tue, 16 Dec
British Airways Logo
17:45 - 16:50PDX-DUB
15h 05m1 stop
British Airways Logo
15:10 - 15:55DUB-PDX
32h 45m1 stop
€390British Airways
Find Deal
Sun, 1 Mar - Sat, 7 Mar
British Airways Logo
17:45 - 15:05PDX-DUB
13h 20m1 stop
British Airways Logo
20:40 - 15:55DUB-PDX
27h 15m1 stop
€391British Airways
Find Deal
Sun, 18 Jan - Sat, 24 Jan
United Airlines Logo
23:59 - 09:45PDX-DUB
25h 46m1 stop
United Airlines Logo
09:20 - 09:35DUB-PDX
32h 15m1 stop
€394United Airlines
Find Deal
Fri, 24 Apr - Sun, 3 May
United Airlines Logo
23:55 - 10:15PDX-SNN
26h 20m2 stops
United Airlines Logo
12:30 - 19:31SNN-PDX
15h 01m1 stop
€502United Airlines
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Thu, 30 Apr - Thu, 14 May
Air Canada Logo
15:15 - 15:45PDX-SNN
16h 30m2 stops
Air Canada Logo
07:50 - 14:40SNN-PDX
38h 50m2 stops
€580Air Canada
Find Deal
Fri, 23 Jan - Tue, 27 Jan

British Airways flights from Portland to Ireland

Our best British Airways deals on Portland to Ireland flight tickets
British Airways
1 Mar
PDX17:45Portland
15h 05m
1 stop
DUB16:50Dublin
7 Mar
DUB15:10Dublin
32h 45m
1 stop
PDX15:55Portland
€390
Find similar
British Airways
18 Jan
PDX17:45Portland
13h 20m
1 stop
DUB15:05Dublin
24 Jan
DUB20:40Dublin
27h 15m
1 stop
PDX15:55Portland
€390
Find similar
British Airways
30 Mar
PDX19:30Portland
16h 05m
1 stop
DUB19:35Dublin
21 Apr
DUB10:30Dublin
15h 10m
1 stop
PDX17:40Portland
€393
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Icelandair flights from Portland to Ireland

Our best Icelandair deals on Portland to Ireland flight tickets
Icelandair
4 May
PDX15:45Portland
13h 30m
1 stop
DUB13:15Dublin
18 May
DUB14:15Dublin
11h 40m
1 stop
PDX17:55Portland
€347
Find similar
Icelandair
2 Dec
PDX14:45Portland
11h 30m
1 stop
DUB10:15Dublin
10 Dec
DUB11:30Dublin
13h 30m
1 stop
PDX17:00Portland
€370
Find similar
Icelandair
12 Mar
PDX15:45Portland
11h 30m
1 stop
DUB10:15Dublin
18 Mar
DUB11:30Dublin
13h 30m
1 stop
PDX18:00Portland
€383
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 22 November 2025.
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

Mon 4/5

15:45-13:15

1 stop13h 30m

Dublin

Mon 18/5

14:15-17:55

1 stop11h 40m

€347

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 2/12

14:45-10:15

1 stop11h 30m

Dublin

Wed 10/12

11:30-17:00

1 stop13h 30m

€370

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 11/1

15:15-07:10

2 stops55h 55m

Dublin

Sat 24/1

09:00-09:15

2 stops32h 15m

€385

PortlandDublin

PDX - DUB

PDXDUB

Portland

Wed 28/1

07:00-08:10

1 stop17h 10m

Dublin

Fri 6/2

10:40-18:56

1 stop16h 16m

€386

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 9/12

07:00-08:10

1 stop17h 10m

Dublin

Tue 16/12

10:40-18:45

1 stop16h 05m

€387

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 1/3

17:45-16:50

1 stop15h 05m

Dublin

Sat 7/3

15:10-15:55

1 stop32h 45m

€390

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 18/1

17:45-15:05

1 stop13h 20m

Dublin

Sat 24/1

20:40-15:55

1 stop27h 15m

€390

PortlandDublin

PDX - DUB

PDXDUB

Portland

Fri 24/4

23:59-09:45

1 stop25h 46m

Dublin

Sun 3/5

09:20-09:35

1 stop32h 15m

€394

PortlandShannon

PDX - SNN

PDXSNN

Portland

Thu 30/4

23:55-10:15

2 stops26h 20m

Shannon

Thu 14/5

12:30-19:31

1 stop15h 01m

€502

PortlandShannon

PDX - SNN

PDXSNN

Portland

Fri 23/1

15:15-15:45

2 stops16h 30m

Shannon

Tue 27/1

07:50-14:40

2 stops38h 50m

€580

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 €449.

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

The cheapest day to depart on your flight to Ireland is on a Monday when prices can be found for as low as €492. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around €1,204. These prices are subject to change though, so be sure to set up a Price Alert for flights to Ireland.

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

At midday is the cheapest time of day to fly from Portland to Ireland when you can find flight prices for as low as €692. Flying to Ireland at midday is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Ireland is in the morning when prices are around €740.

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 €534 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 €501 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

Direct flights

None
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

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