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Cheap flights from Portland to Ireland from €220

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 15/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Portland to Ireland

Cheap return flights

Icelandair Logo
15:20 - 13:15PDX-DUB
13h 55m1 stop
Icelandair Logo
11:30 - 18:00DUB-PDX
13h 30m1 stop
€346Icelandair
Find Deal
Mon, 20 Oct - Fri, 31 Oct
Icelandair Logo
15:20 - 11:15PDX-DUB
11h 55m1 stop
Icelandair Logo
11:30 - 17:00DUB-PDX
13h 30m1 stop
€346Icelandair
Find Deal
Sat, 25 Oct - Fri, 7 Nov
Air Canada Logo
19:40 - 07:45PDX-DUB
28h 05m1 stop
Air Canada Logo
09:20 - 18:46DUB-PDX
17h 26m1 stop
€377Air Canada
Find Deal
Mon, 6 Oct - Wed, 22 Oct
Lufthansa Logo
09:55 - 07:45PDX-DUB
13h 50m1 stop
Lufthansa Logo
05:55 - 18:46DUB-PDX
20h 51m2 stops
€379Lufthansa
Find Deal
Thu, 16 Oct - Thu, 23 Oct
Air Canada Logo
06:15 - 07:45PDX-DUB
17h 30m2 stops
Air Canada Logo
09:20 - 14:46DUB-PDX
13h 26m1 stop
€382Air Canada
Find Deal
Mon, 6 Oct - Wed, 22 Oct
United Airlines Logo
10:46 - 10:55PDX-DUB
16h 09m2 stops
United Airlines Logo
09:00 - 17:52DUB-PDX
40h 52m2 stops
€387United Airlines
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Sat, 25 Oct - Fri, 7 Nov
Logo
23:12 - 09:55PDX-DUB
27h 43m1 stop
Logo
09:00 - 14:45DUB-PDX
37h 45m2 stops
€388
Find Deal
Tue, 28 Oct - Mon, 3 Nov
United Airlines Logo
23:59 - 09:45PDX-DUB
25h 46m1 stop
United Airlines Logo
09:20 - 09:20DUB-PDX
32h 00m1 stop
€391United Airlines
Find Deal
Mon, 6 Oct - Wed, 15 Oct
Lufthansa Logo
09:55 - 07:45PDX-DUB
13h 50m1 stop
Lufthansa Logo
09:20 - 23:01DUB-PDX
21h 41m1 stop
€397Lufthansa
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Tue, 14 Oct - Wed, 22 Oct
Logo
15:25 - 07:45PDX-DUB
32h 20m1 stop
Logo
13:00 - 18:46DUB-PDX
37h 46m2 stops
€397
Find Deal
Wed, 8 Oct - Tue, 14 Oct

Air Canada flights from Portland to Ireland

Our best Air Canada deals on Portland to Ireland flight tickets
Air Canada
6 Oct
PDX19:40Portland
28h 05m
1 stop
DUB07:45Dublin
22 Oct
DUB09:20Dublin
17h 26m
1 stop
PDX18:46Portland
€377
Find similar
Air Canada
6 Oct
PDX06:15Portland
17h 30m
2 stops
DUB07:45Dublin
22 Oct
DUB09:20Dublin
13h 26m
1 stop
PDX14:46Portland
€382
Find similar
Air Canada
29 Oct
PDX15:15Portland
55h 55m
2 stops
DUB06:10Dublin
9 Nov
DUB09:00Dublin
41h 36m
2 stops
PDX18:36Portland
€389
Find similar

Delta flights from Portland to Ireland

Our best Delta deals on Portland to Ireland flight tickets
Delta
29 Oct
PDX00:40Portland
24h 05m
1 stop
DUB07:45Dublin
6 Nov
DUB09:45Dublin
18h 41m
1 stop
PDX20:26Portland
€416
Find similar
Delta
19 Oct
PDX00:40Portland
23h 15m
1 stop
DUB07:55Dublin
31 Oct
DUB09:45Dublin
19h 23m
1 stop
PDX22:08Portland
€420
Find similar
Delta
14 Oct
PDX07:30Portland
17h 45m
2 stops
DUB09:15Dublin
23 Oct
DUB12:00Dublin
19h 57m
2 stops
PDX23:57Portland
€423
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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 16 September 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 20/10

15:20-13:15

1 stop13h 55m

Dublin

Fri 31/10

11:30-18:00

1 stop13h 30m

€346

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sat 25/10

15:20-11:15

1 stop11h 55m

Dublin

Fri 7/11

11:30-17:00

1 stop13h 30m

€346

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 6/10

19:40-07:45

1 stop28h 05m

Dublin

Wed 22/10

09:20-18:46

1 stop17h 26m

€377

PortlandDublin

PDX - DUB

PDXDUB

Portland

Thu 16/10

09:55-07:45

1 stop13h 50m

Dublin

Thu 23/10

05:55-18:46

2 stops20h 51m

€379

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 6/10

06:15-07:45

2 stops17h 30m

Dublin

Wed 22/10

09:20-14:46

1 stop13h 26m

€382

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sat 25/10

10:46-10:55

2 stops16h 09m

Dublin

Fri 7/11

09:00-17:52

2 stops40h 52m

€387

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 28/10

23:12-09:55

1 stop27h 43m

Dublin

Mon 3/11

09:00-14:45

2 stops37h 45m

€388

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 6/10

23:59-09:45

1 stop25h 46m

Dublin

Wed 15/10

09:20-09:20

1 stop32h 00m

€391

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 14/10

09:55-07:45

1 stop13h 50m

Dublin

Wed 22/10

09:20-23:01

1 stop21h 41m

€397

PortlandDublin

PDX - DUB

PDXDUB

Portland

Wed 8/10

15:25-07:45

1 stop32h 20m

Dublin

Tue 14/10

13:00-18:46

2 stops37h 46m

€397

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 €438.

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 €483. 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 €1,181. 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 €679. 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 €726.

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 €521 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 €486 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.
Start using Trips
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Find better results for your trip to Ireland

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