Cheap flights from Portland to Ireland from €237

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 11/11. 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 - 10:15PDX-DUB
11h 30m1 stop
Icelandair Logo
11:30 - 18:00DUB-PDX
13h 30m1 stop
€349Icelandair
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Mon, 9 Mar - Mon, 16 Mar
American Airlines Logo
17:45 - 17:45PDX-DUB
16h 00m1 stop
American Airlines Logo
11:30 - 23:26DUB-PDX
19h 56m2 stops
€357American Airlines
Find Deal
Mon, 3 Nov - Tue, 18 Nov
Delta Logo
07:05 - 08:45PDX-DUB
17h 40m1 stop
Delta Logo
10:45 - 20:43DUB-PDX
17h 58m1 stop
€364Delta
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Wed, 12 Nov - Wed, 19 Nov
KLM Logo
05:30 - 07:45PDX-DUB
18h 15m2 stops
KLM Logo
09:45 - 17:43DUB-PDX
15h 58m1 stop
€365KLM
Find Deal
Tue, 2 Dec - Tue, 9 Dec
KLM Logo
07:05 - 08:45PDX-DUB
17h 40m1 stop
KLM Logo
09:45 - 20:47DUB-PDX
19h 02m1 stop
€372KLM
Find Deal
Sun, 9 Nov - Thu, 20 Nov
Multiple Airlines Logo
07:40 - 07:10PDX-DUB
15h 30m1 stop
Multiple Airlines Logo
11:30 - 22:59DUB-PDX
19h 29m2 stops
€376Multiple Airlines
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Sun, 16 Nov - Tue, 25 Nov
Delta Logo
13:40 - 08:45PDX-DUB
35h 05m1 stop
Delta Logo
10:45 - 20:43DUB-PDX
17h 58m1 stop
€377Delta
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Sat, 8 Nov - Thu, 20 Nov
British Airways Logo
12:35 - 17:00PDX-DUB
20h 25m2 stops
British Airways Logo
17:55 - 15:55DUB-PDX
30h 00m1 stop
€378British Airways
Find Deal
Tue, 10 Feb - Sat, 21 Feb
Multiple Airlines Logo
08:46 - 07:10PDX-DUB
15h 24m1 stop
Multiple Airlines Logo
12:55 - 23:26DUB-PDX
18h 31m1 stop
€382Multiple Airlines
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Thu, 30 Oct - Fri, 7 Nov
British Airways Logo
15:59 - 15:25PDX-ORK
15h 26m2 stops
British Airways Logo
17:35 - 20:47ORK-PDX
35h 12m2 stops
€547British Airways
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Mon, 5 Jan - Mon, 12 Jan

American Airlines flights from Portland to Ireland

Our best American Airlines deals on Portland to Ireland flight tickets
American Airlines
3 Nov
PDX17:45Portland
16h 00m
1 stop
DUB17:45Dublin
18 Nov
DUB11:30Dublin
19h 56m
2 stops
PDX23:26Portland
American Airlines
10 Nov
PDX17:45Portland
16h 00m
1 stop
DUB17:45Dublin
19 Nov
DUB11:30Dublin
19h 56m
2 stops
PDX23:26Portland
American Airlines
3 Nov
PDX17:45Portland
15h 20m
1 stop
DUB17:05Dublin
19 Nov
DUB10:20Dublin
13h 35m
1 stop
PDX15:55Portland

Delta flights from Portland to Ireland

Our best Delta deals on Portland to Ireland flight tickets
Delta
12 Nov
PDX07:05Portland
17h 40m
1 stop
DUB08:45Dublin
18 Nov
DUB10:45Dublin
17h 58m
1 stop
PDX20:43Portland
Delta
22 Oct
PDX12:06Portland
11h 49m
1 stop
DUB07:55Dublin
4 Nov
DUB09:45Dublin
15h 42m
1 stop
PDX17:27Portland
Delta
8 Nov
PDX13:40Portland
35h 05m
1 stop
DUB08:45Dublin
20 Nov
DUB10:45Dublin
17h 58m
1 stop
PDX20:43Portland

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 19 October 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 9/3

15:45-10:15

1 stop11h 30m

Dublin

Mon 16/3

11:30-18:00

1 stop13h 30m

€349

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 3/11

17:45-17:45

1 stop16h 00m

Dublin

Tue 18/11

11:30-23:26

2 stops19h 56m

€357

PortlandDublin

PDX - DUB

PDXDUB

Portland

Wed 12/11

07:05-08:45

1 stop17h 40m

Dublin

Wed 19/11

10:45-20:43

1 stop17h 58m

€364

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 2/12

05:30-07:45

2 stops18h 15m

Dublin

Tue 9/12

09:45-17:43

1 stop15h 58m

€365

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 9/11

07:05-08:45

1 stop17h 40m

Dublin

Thu 20/11

09:45-20:47

1 stop19h 02m

€372

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 16/11

07:40-07:10

1 stop15h 30m

Dublin

Tue 25/11

11:30-22:59

2 stops19h 29m

€376

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sat 8/11

13:40-08:45

1 stop35h 05m

Dublin

Thu 20/11

10:45-20:43

1 stop17h 58m

€377

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 10/2

12:35-17:00

2 stops20h 25m

Dublin

Sat 21/2

17:55-15:55

1 stop30h 00m

€378

PortlandDublin

PDX - DUB

PDXDUB

Portland

Thu 30/10

08:46-07:10

1 stop15h 24m

Dublin

Fri 7/11

12:55-23:26

1 stop18h 31m

€382

PortlandCork

PDX - ORK

PDXORK

Portland

Mon 5/1

15:59-15:25

2 stops15h 26m

Cork

Mon 12/1

17:35-20:47

2 stops35h 12m

€547

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 €442.

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 €487. 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 €1,191. 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 €685. 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 €732.

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 €526 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 €493 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.
  • 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.

Get notified when prices go down

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1 adult
Tue 18/11
Tue 25/11

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Popular Cities in Ireland

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