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Cheap flights from Portland to Ireland from €230

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 6/4. 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
0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
Icelandair Logo
15:30 - 11:05
PDX
-
DUB
11h 35m
1 stop
Icelandair Logo
12:15 - 18:00
DUB
-
PDX
13h 45m
1 stop
€344Icelandair
Tue, 21 Apr - Wed, 29 Apr
Icelandair Logo
15:30 - 11:05
PDX
-
DUB
11h 35m
1 stop
Icelandair Logo
12:15 - 18:00
DUB
-
PDX
13h 45m
1 stop
€346Icelandair
Tue, 21 Apr - Wed, 29 Apr
Multiple Airlines Logo
19:45 - 07:45
PDX
-
DUB
28h 00m
1 stop
Multiple Airlines Logo
09:50 - 19:05
DUB
-
PDX
17h 15m
1 stop
€375Multiple Airlines
Wed, 6 May - Wed, 13 May
Multiple Airlines Logo
19:45 - 16:30
PDX
-
ORK
36h 45m
2 stops
Multiple Airlines Logo
17:10 - 19:05
ORK
-
PDX
33h 55m
2 stops
€413Multiple Airlines
Sat, 2 May - Sun, 10 May
Lufthansa Logo
15:30 - 16:30
PDX
-
ORK
41h 00m
2 stops
Lufthansa Logo
17:10 - 19:05
ORK
-
PDX
33h 55m
2 stops
€416Lufthansa
Sat, 2 May - Sun, 10 May
United Airlines Logo
08:05 - 10:15
PDX
-
SNN
18h 10m
2 stops
United Airlines Logo
12:30 - 15:09
SNN
-
PDX
34h 39m
3 stops
€417United Airlines
Tue, 7 Apr - Tue, 14 Apr
Lufthansa Logo
23:15 - 10:15
PDX
-
SNN
27h 00m
1 stop
Lufthansa Logo
12:30 - 21:59
SNN
-
PDX
17h 29m
1 stop
€459Lufthansa
Tue, 7 Apr - Tue, 14 Apr
Delta Logo
07:00 - 11:10
PDX
-
SNN
20h 10m
1 stop
Delta Logo
13:05 - 11:43
SNN
-
PDX
30h 38m
1 stop
€467Delta
Wed, 8 Jul - Wed, 22 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
€518Delta
Wed, 8 Jul - Wed, 22 Jul
United Airlines Logo
05:30 - 10:15
PDX
-
SNN
20h 45m
2 stops
United Airlines Logo
12:30 - 21:06
SNN
-
PDX
16h 36m
1 stop
€527United Airlines
Thu, 30 Apr - Thu, 14 May

KLM flights from Portland to Ireland

Our best KLM deals on Portland to Ireland flight tickets
KLM
1 Mar
PDX06:45Portland
17h 00m
1 stop
DUB07:45Dublin
8 Mar
DUB08:50Dublin
34h 35m
1 stop
PDX11:25Portland
€401
KLM
9 Feb
PDX07:00Portland
17h 45m
1 stop
DUB08:45Dublin
25 Feb
DUB05:55Dublin
17h 16m
2 stops
PDX15:11Portland
€409
KLM
21 Apr
PDX07:00Portland
18h 15m
1 stop
DUB09:15Dublin
29 Apr
DUB11:10Dublin
15h 42m
2 stops
PDX18:52Portland
€413

Icelandair flights from Portland to Ireland

Our best Icelandair deals on Portland to Ireland flight tickets
Icelandair
21 Apr
PDX15:30Portland
11h 35m
1 stop
DUB11:05Dublin
29 Apr
DUB12:15Dublin
13h 45m
1 stop
PDX18:00Portland
€344
Icelandair
21 Apr
PDX15:30Portland
11h 35m
1 stop
DUB11:05Dublin
29 Apr
DUB12:15Dublin
13h 45m
1 stop
PDX18:00Portland
€346
Icelandair
9 Mar
PDX15:45Portland
11h 30m
1 stop
DUB10:15Dublin
25 Mar
DUB11:30Dublin
13h 30m
1 stop
PDX18:00Portland
€358

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 1 February 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

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 21/4

15:30-11:05

1 stop11h 35m

Dublin

Wed 29/4

12:15-18:00

1 stop13h 45m

€344

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 21/4

15:30-11:05

1 stop11h 35m

Dublin

Wed 29/4

12:15-18:00

1 stop13h 45m

€346

PortlandDublin

PDX - DUB

PDXDUB

Portland

Wed 6/5

19:45-07:45

1 stop28h 00m

Dublin

Wed 13/5

09:50-19:05

1 stop17h 15m

€375

PortlandCork

PDX - ORK

PDXORK

Portland

Sat 2/5

19:45-16:30

2 stops36h 45m

Cork

Sun 10/5

17:10-19:05

2 stops33h 55m

€413

PortlandCork

PDX - ORK

PDXORK

Portland

Sat 2/5

15:30-16:30

2 stops41h 00m

Cork

Sun 10/5

17:10-19:05

2 stops33h 55m

€416

PortlandShannon

PDX - SNN

PDXSNN

Portland

Tue 7/4

08:05-10:15

2 stops18h 10m

Shannon

Tue 14/4

12:30-15:09

3 stops34h 39m

€417

PortlandShannon

PDX - SNN

PDXSNN

Portland

Tue 7/4

23:15-10:15

1 stop27h 00m

Shannon

Tue 14/4

12:30-21:59

1 stop17h 29m

€459

PortlandShannon

PDX - SNN

PDXSNN

Portland

Wed 8/7

07:00-11:10

1 stop20h 10m

Shannon

Wed 22/7

13:05-11:43

1 stop30h 38m

€467

PortlandShannon

PDX - SNN

PDXSNN

Portland

Wed 8/7

22:05-11:10

1 stop29h 05m

Shannon

Wed 22/7

13:05-21:35

1 stop16h 30m

€518

PortlandShannon

PDX - SNN

PDXSNN

Portland

Thu 30/4

05:30-10:15

2 stops20h 45m

Shannon

Thu 14/5

12:30-21:06

1 stop16h 36m

€527

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 €435.

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 €490 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.
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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Popular flights according to clicks in the last 7 days on momondo
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