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Cheap flights from Portland to Ireland from €249

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 23/8. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Portland to Ireland

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
12:15 - 17:55
DUB
-
PDX
13h 40m
1 stop
€514Icelandair
Wed, 7 Oct - Wed, 14 Oct
Icelandair Logo
15:30 - 13:15
PDX
-
DUB
13h 45m
1 stop
Icelandair Logo
12:15 - 17:55
DUB
-
PDX
13h 40m
1 stop
€539Icelandair
Wed, 30 Sep - Wed, 7 Oct
Icelandair Logo
15:30 - 13:15
PDX
-
DUB
13h 45m
1 stop
Icelandair Logo
11:30 - 18:00
DUB
-
PDX
13h 30m
1 stop
€547Icelandair
Wed, 21 Oct - Wed, 28 Oct
Delta Logo
09:40 - 16:40
PDX
-
ORK
23h 00m
2 stops
Delta Logo
05:40 - 11:20
ORK
-
PDX
13h 40m
1 stop
€653Delta
Tue, 10 Nov - Wed, 18 Nov
Delta Logo
09:40 - 16:40
PDX
-
ORK
23h 00m
2 stops
Delta Logo
05:40 - 11:20
ORK
-
PDX
13h 40m
1 stop
€658Delta
Tue, 10 Nov - Wed, 18 Nov
KLM Logo
13:05 - 16:35
PDX
-
ORK
19h 30m
1 stop
KLM Logo
06:15 - 11:10
ORK
-
PDX
12h 55m
1 stop
€681KLM
Mon, 5 Oct - Wed, 14 Oct
United Airlines Logo
23:30 - 10:15
PDX
-
SNN
50h 45m
2 stops
United Airlines Logo
12:30 - 21:27
SNN
-
PDX
16h 57m
1 stop
€703United Airlines
Fri, 9 Oct - Wed, 21 Oct
KLM Logo
13:05 - 10:20
PDX
-
ORK
13h 15m
1 stop
KLM Logo
06:15 - 20:02
ORK
-
PDX
21h 47m
2 stops
€707KLM
Wed, 26 Aug - Tue, 8 Sep
United Airlines Logo
23:30 - 10:15
PDX
-
SNN
50h 45m
2 stops
United Airlines Logo
12:30 - 22:53
SNN
-
PDX
42h 23m
3 stops
€712United Airlines
Fri, 9 Oct - Wed, 21 Oct
Air France Logo
07:00 - 11:10
PDX
-
SNN
20h 10m
1 stop
Air France Logo
13:05 - 23:10
SNN
-
PDX
18h 05m
2 stops
€767Air France
Mon, 7 Sep - Mon, 14 Sep

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Icelandair flights from Portland to Ireland

Our best Icelandair deals on Portland to Ireland flight tickets
Icelandair
7 Oct
PDX15:30Portland
13h 45m
1 stop
DUB13:15Dublin
14 Oct
DUB12:15Dublin
13h 40m
1 stop
PDX17:55Portland
€514
Icelandair
7 Oct
PDX15:30Portland
13h 45m
1 stop
DUB13:15Dublin
14 Oct
DUB12:15Dublin
13h 40m
1 stop
PDX17:55Portland
€519
Icelandair
30 Sept
PDX15:30Portland
13h 45m
1 stop
DUB13:15Dublin
7 Oct
DUB12:15Dublin
13h 40m
1 stop
PDX17:55Portland
€539

Air Canada flights from Portland to Ireland

Our best Air Canada deals on Portland to Ireland flight tickets
Air Canada
29 Sept
PDX10:10Portland
13h 35m
1 stop
DUB07:45Dublin
9 Oct
DUB09:20Dublin
34h 13m
2 stops
PDX11:33Portland
€663
Air Canada
22 Sept
PDX19:45Portland
28h 00m
2 stops
DUB07:45Dublin
30 Sept
DUB09:50Dublin
31h 41m
1 stop
PDX09:31Portland
€670
Air Canada
22 Sept
PDX19:45Portland
28h 00m
2 stops
DUB07:45Dublin
30 Sept
DUB09:20Dublin
17h 51m
2 stops
PDX19:11Portland
€677

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 26 July 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

PortlandDublin

PDX - DUB

PDXDUB

Portland

Wed 7/10

15:30-13:15

1 stop13h 45m

Dublin

Wed 14/10

12:15-17:55

1 stop13h 40m

€514

PortlandDublin

PDX - DUB

PDXDUB

Portland

Wed 30/9

15:30-13:15

1 stop13h 45m

Dublin

Wed 7/10

12:15-17:55

1 stop13h 40m

€539
Fastest return journey

PortlandDublin

PDX - DUB

PDXDUB

Portland

Wed 21/10

15:30-13:15

1 stop13h 45m

Dublin

Wed 28/10

11:30-18:00

1 stop13h 30m

€547

PortlandCork

PDX - ORK

PDXORK

Portland

Tue 10/11

09:40-16:40

2 stops23h 00m

Cork

Wed 18/11

05:40-11:20

1 stop13h 40m

€653

PortlandCork

PDX - ORK

PDXORK

Portland

Tue 10/11

09:40-16:40

2 stops23h 00m

Cork

Wed 18/11

05:40-11:20

1 stop13h 40m

€658

PortlandCork

PDX - ORK

PDXORK

Portland

Mon 5/10

13:05-16:35

1 stop19h 30m

Cork

Wed 14/10

06:15-11:10

1 stop12h 55m

€681

PortlandShannon

PDX - SNN

PDXSNN

Portland

Fri 9/10

23:30-10:15

2 stops50h 45m

Shannon

Wed 21/10

12:30-21:27

1 stop16h 57m

€703

PortlandCork

PDX - ORK

PDXORK

Portland

Wed 26/8

13:05-10:20

1 stop13h 15m

Cork

Tue 8/9

06:15-20:02

2 stops21h 47m

€707

PortlandShannon

PDX - SNN

PDXSNN

Portland

Fri 9/10

23:30-10:15

2 stops50h 45m

Shannon

Wed 21/10

12:30-22:53

3 stops42h 23m

€712

PortlandShannon

PDX - SNN

PDXSNN

Portland

Mon 7/9

07:00-11:10

1 stop20h 10m

Shannon

Mon 14/9

13:05-23:10

2 stops18h 05m

€767

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 November is another great option to travel to Ireland, with average flight prices from Portland averaging around €428.

How far in advance should I book a flight from Portland 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 €582 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 €544 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 30m

Direct flights

None
The fastest flight from Portland to Ireland takes 11h 30m
There are no direct flights from Portland to Ireland. There are no popular flight routes from Portland to Ireland.
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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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