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Cheap flights from Portland to Ireland from €259

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 2/6. 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 - 13:15
PDX
-
DUB
13h 45m
1 stop
Icelandair Logo
14:15 - 17:55
DUB
-
PDX
11h 40m
1 stop
€514Icelandair
Mon, 14 Sep - Tue, 29 Sep
Icelandair Logo
19:05 - 11:05
PDX
-
DUB
32h 00m
1 stop
Icelandair Logo
12:15 - 17:55
DUB
-
PDX
13h 40m
1 stop
€516Icelandair
Fri, 4 Sep - Wed, 9 Sep
United Airlines Logo
08:29 - 07:30
PDX
-
SNN
15h 01m
1 stop
United Airlines Logo
09:30 - 23:09
SNN
-
PDX
21h 39m
1 stop
€649United Airlines
Tue, 11 Aug - Thu, 20 Aug
United Airlines Logo
05:10 - 07:30
PDX
-
SNN
18h 20m
2 stops
United Airlines Logo
09:30 - 20:55
SNN
-
PDX
19h 25m
2 stops
€654United Airlines
Tue, 11 Aug - Thu, 20 Aug
Delta Logo
22:05 - 11:10
PDX
-
SNN
29h 05m
1 stop
Delta Logo
13:05 - 21:35
SNN
-
PDX
16h 30m
1 stop
€690Delta
Sat, 5 Sep - Sat, 19 Sep
KLM Logo
07:00 - 11:10
PDX
-
SNN
20h 10m
1 stop
KLM Logo
13:05 - 21:35
SNN
-
PDX
16h 30m
1 stop
€698KLM
Tue, 11 Aug - Thu, 20 Aug
Multiple Airlines Logo
10:15 - 11:10
PDX
-
SNN
16h 55m
2 stops
Multiple Airlines Logo
13:05 - 21:35
SNN
-
PDX
16h 30m
1 stop
€702Multiple Airlines
Sat, 5 Sep - Sat, 19 Sep
KLM Logo
13:05 - 10:20
PDX
-
ORK
13h 15m
1 stop
KLM Logo
10:50 - 11:10
ORK
-
PDX
32h 20m
1 stop
€748KLM
Thu, 28 May - Thu, 4 Jun
Multiple Airlines Logo
13:35 - 14:40
PDX
-
ORK
17h 05m
2 stops
Multiple Airlines Logo
10:50 - 11:10
ORK
-
PDX
32h 20m
1 stop
€749Multiple Airlines
Thu, 28 May - Thu, 4 Jun
Delta Logo
10:42 - 14:25
PDX
-
ORK
19h 43m
2 stops
Delta Logo
06:15 - 11:10
ORK
-
PDX
12h 55m
1 stop
€988Delta
Sat, 25 Apr - Tue, 28 Apr

Icelandair flights from Portland to Ireland

Our best Icelandair deals on Portland to Ireland flight tickets
Icelandair
14 Sept
PDX15:30Portland
13h 45m
1 stop
DUB13:15Dublin
29 Sept
DUB14:15Dublin
11h 40m
1 stop
PDX17:55Portland
€514
Icelandair
4 Sept
PDX19:05Portland
32h 00m
1 stop
DUB11:05Dublin
9 Sept
DUB12:15Dublin
13h 40m
1 stop
PDX17:55Portland
€516
Icelandair
2 Sept
PDX19:05Portland
32h 00m
1 stop
DUB11:05Dublin
9 Sept
DUB12:15Dublin
13h 40m
1 stop
PDX17:55Portland
€517

United Airlines flights from Portland to Ireland

Our best United Airlines deals on Portland to Ireland flight tickets
United Airlines
18 Aug
PDX10:10Portland
13h 35m
1 stop
DUB07:45Dublin
25 Aug
DUB09:50Dublin
33h 45m
2 stops
PDX11:35Portland
€625
United Airlines
17 Aug
PDX14:15Portland
35h 30m
1 stop
DUB09:45Dublin
26 Aug
DUB09:50Dublin
31h 41m
1 stop
PDX09:31Portland
€626
United Airlines
20 Sept
PDX23:15Portland
26h 30m
1 stop
DUB09:45Dublin
2 Oct
DUB09:50Dublin
31h 41m
1 stop
PDX09:31Portland
€627

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 13 April 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

Cheapest return flight
Fastest return journey

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 14/9

15:30-13:15

1 stop13h 45m

Dublin

Tue 29/9

14:15-17:55

1 stop11h 40m

€514

PortlandDublin

PDX - DUB

PDXDUB

Portland

Fri 4/9

19:05-11:05

1 stop32h 00m

Dublin

Wed 9/9

12:15-17:55

1 stop13h 40m

€516

PortlandShannon

PDX - SNN

PDXSNN

Portland

Tue 11/8

08:29-07:30

1 stop15h 01m

Shannon

Thu 20/8

09:30-23:09

1 stop21h 39m

€649

PortlandShannon

PDX - SNN

PDXSNN

Portland

Tue 11/8

05:10-07:30

2 stops18h 20m

Shannon

Thu 20/8

09:30-20:55

2 stops19h 25m

€654

PortlandShannon

PDX - SNN

PDXSNN

Portland

Sat 5/9

22:05-11:10

1 stop29h 05m

Shannon

Sat 19/9

13:05-21:35

1 stop16h 30m

€690

PortlandShannon

PDX - SNN

PDXSNN

Portland

Tue 11/8

07:00-11:10

1 stop20h 10m

Shannon

Thu 20/8

13:05-21:35

1 stop16h 30m

€698

PortlandShannon

PDX - SNN

PDXSNN

Portland

Sat 5/9

10:15-11:10

2 stops16h 55m

Shannon

Sat 19/9

13:05-21:35

1 stop16h 30m

€702

PortlandCork

PDX - ORK

PDXORK

Portland

Thu 28/5

13:05-10:20

1 stop13h 15m

Cork

Thu 4/6

10:50-11:10

1 stop32h 20m

€748

PortlandCork

PDX - ORK

PDXORK

Portland

Thu 28/5

13:35-14:40

2 stops17h 05m

Cork

Thu 4/6

10:50-11:10

1 stop32h 20m

€749

PortlandCork

PDX - ORK

PDXORK

Portland

Sat 25/4

10:42-14:25

2 stops19h 43m

Cork

Tue 28/4

06:15-11:10

1 stop12h 55m

€988

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 €413.

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 €515 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 €462 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

Frequently asked questions about flying 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.
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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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