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Cheap flights from Portland to Ireland from €271

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 22/5. 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
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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
15:30 - 00:35
PDX
-
DUB
25h 05m
2 stops
Multiple Airlines Logo
13:00 - 13:50
DUB
-
PDX
32h 50m
1 stop
€554Multiple Airlines
Mon, 20 Apr - Sun, 3 May
Multiple Airlines Logo
15:30 - 00:35
PDX
-
DUB
25h 05m
2 stops
Multiple Airlines Logo
13:15 - 09:30
DUB
-
PDX
28h 15m
2 stops
€591Multiple Airlines
Mon, 20 Apr - Mon, 4 May
Multiple Airlines Logo
15:30 - 23:20
PDX
-
DUB
23h 50m
3 stops
Multiple Airlines Logo
13:00 - 13:50
DUB
-
PDX
32h 50m
1 stop
€594Multiple Airlines
Mon, 20 Apr - Sun, 3 May
Icelandair Logo
15:30 - 13:15
PDX
-
DUB
13h 45m
1 stop
Icelandair Logo
14:15 - 17:55
DUB
-
PDX
11h 40m
1 stop
€602Icelandair
Mon, 21 Sep - Tue, 29 Sep
United Airlines Logo
13:04 - 07:30
PDX
-
SNN
34h 26m
2 stops
United Airlines Logo
09:30 - 15:30
SNN
-
PDX
14h 00m
1 stop
€654United Airlines
Sat, 22 Aug - Wed, 26 Aug
United Airlines Logo
18:57 - 07:30
PDX
-
SNN
28h 33m
2 stops
United Airlines Logo
09:30 - 22:52
SNN
-
PDX
21h 22m
2 stops
€655United Airlines
Sat, 22 Aug - Wed, 26 Aug
Delta Logo
22:35 - 11:10
PDX
-
SNN
28h 35m
1 stop
Delta Logo
13:05 - 21:13
SNN
-
PDX
16h 08m
1 stop
€685Delta
Sat, 18 Jul - Thu, 23 Jul
Delta Logo
22:05 - 11:10
PDX
-
SNN
29h 05m
1 stop
Delta Logo
13:05 - 21:35
SNN
-
PDX
16h 30m
1 stop
€691Delta
Sat, 5 Sep - Sat, 19 Sep
KLM Logo
22:05 - 11:10
PDX
-
SNN
29h 05m
1 stop
KLM Logo
13:05 - 21:35
SNN
-
PDX
16h 30m
1 stop
€692KLM
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
€747KLM
Mon, 11 May - Tue, 26 May

British Airways flights from Portland to Ireland

Our best British Airways deals on Portland to Ireland flight tickets
British Airways
24 Aug
PDX19:30Portland
15h 10m
1 stop
DUB18:40Dublin
1 Sept
DUB20:25Dublin
29h 15m
1 stop
PDX17:40Portland
€647
British Airways
16 Aug
PDX19:30Portland
12h 50m
1 stop
DUB16:20Dublin
25 Aug
DUB20:25Dublin
29h 15m
1 stop
PDX17:40Portland
€662
British Airways
7 Sept
PDX19:30Portland
16h 05m
1 stop
DUB19:35Dublin
18 Sept
DUB12:50Dublin
12h 50m
1 stop
PDX17:40Portland
€664

Air Canada flights from Portland to Ireland

Our best Air Canada deals on Portland to Ireland flight tickets
Air Canada
21 Jul
PDX15:30Portland
32h 15m
2 stops
DUB07:45Dublin
11 Aug
DUB09:50Dublin
43h 00m
2 stops
PDX20:50Portland
€636
Air Canada
25 Aug
PDX10:10Portland
38h 05m
2 stops
DUB08:15Dublin
10 Sept
DUB09:50Dublin
37h 40m
2 stops
PDX15:30Portland
€641
Air Canada
24 Aug
PDX19:45Portland
28h 00m
1 stop
DUB07:45Dublin
1 Sept
DUB09:50Dublin
31h 41m
2 stops
PDX09:31Portland
€642

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 8 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

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 20/4

15:30-00:35

2 stops25h 05m

Dublin

Sun 3/5

13:00-13:50

1 stop32h 50m

€554

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 20/4

15:30-00:35

2 stops25h 05m

Dublin

Mon 4/5

13:15-09:30

2 stops28h 15m

€591

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 20/4

15:30-23:20

3 stops23h 50m

Dublin

Sun 3/5

13:00-13:50

1 stop32h 50m

€594
Fastest return journey

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 21/9

15:30-13:15

1 stop13h 45m

Dublin

Tue 29/9

14:15-17:55

1 stop11h 40m

€602

PortlandShannon

PDX - SNN

PDXSNN

Portland

Sat 22/8

13:04-07:30

2 stops34h 26m

Shannon

Wed 26/8

09:30-15:30

1 stop14h 00m

€654

PortlandShannon

PDX - SNN

PDXSNN

Portland

Sat 22/8

18:57-07:30

2 stops28h 33m

Shannon

Wed 26/8

09:30-22:52

2 stops21h 22m

€655

PortlandShannon

PDX - SNN

PDXSNN

Portland

Sat 18/7

22:35-11:10

1 stop28h 35m

Shannon

Thu 23/7

13:05-21:13

1 stop16h 08m

€685

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

€691

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

€692

PortlandCork

PDX - ORK

PDXORK

Portland

Mon 11/5

13:05-10:20

1 stop13h 15m

Cork

Tue 26/5

10:50-11:10

1 stop32h 20m

€747

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 €418.

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 €520 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 €469 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

12h 39m

Direct flights

None
The fastest flight from Portland to Ireland takes 12h 39m
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.
Start using Trips
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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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