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Cheap flights from Portland to Ireland from €248

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 21/8. 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
0 bags
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Find the cheapest flights from Portland to Ireland

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 - 17:55
DUB
-
PDX
13h 40m
1 stop
€534Icelandair
Thu, 17 Sep - Fri, 2 Oct
Icelandair Logo
15:30 - 11:05
PDX
-
DUB
11h 35m
1 stop
Icelandair Logo
12:15 - 17:55
DUB
-
PDX
13h 40m
1 stop
€540Icelandair
Thu, 17 Sep - Wed, 30 Sep
Icelandair Logo
15:30 - 13:15
PDX
-
DUB
13h 45m
1 stop
Icelandair Logo
12:15 - 17:55
DUB
-
PDX
13h 40m
1 stop
€554Icelandair
Mon, 14 Sep - Wed, 7 Oct
Delta Logo
07:00 - 11:10
PDX
-
SNN
20h 10m
1 stop
Delta Logo
13:05 - 21:35
SNN
-
PDX
16h 30m
1 stop
€644Delta
Sun, 6 Sep - Fri, 18 Sep
Multiple Airlines Logo
11:55 - 11:10
PDX
-
SNN
15h 15m
2 stops
Multiple Airlines Logo
13:05 - 23:41
SNN
-
PDX
18h 36m
2 stops
€648Multiple Airlines
Sun, 6 Sep - Fri, 18 Sep
United Airlines Logo
23:15 - 10:15
PDX
-
SNN
27h 00m
2 stops
United Airlines Logo
12:30 - 00:47
SNN
-
PDX
20h 17m
2 stops
€657United Airlines
Mon, 31 Aug - Fri, 4 Sep
United Airlines Logo
10:45 - 07:30
PDX
-
SNN
12h 45m
1 stop
United Airlines Logo
09:30 - 15:30
SNN
-
PDX
14h 00m
1 stop
€658United Airlines
Sun, 23 Aug - Wed, 2 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
€663KLM
Sat, 22 Aug - Tue, 1 Sep
KLM Logo
13:45 - 11:10
PDX
-
SNN
37h 25m
2 stops
KLM Logo
13:05 - 16:21
SNN
-
PDX
35h 16m
2 stops
€664KLM
Sat, 22 Aug - Tue, 1 Sep
Delta Logo
22:05 - 11:10
PDX
-
SNN
29h 05m
1 stop
Delta Logo
13:05 - 21:35
SNN
-
PDX
16h 30m
1 stop
€692Delta
Sat, 5 Sep - Sat, 19 Sep

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Icelandair flights from Portland to Ireland

Our best Icelandair deals on Portland to Ireland flight tickets
Icelandair
17 Sept
PDX15:30Portland
11h 35m
1 stop
DUB11:05Dublin
2 Oct
DUB12:15Dublin
13h 40m
1 stop
PDX17:55Portland
€534
Icelandair
17 Sept
PDX15:30Portland
11h 35m
1 stop
DUB11:05Dublin
30 Sept
DUB12:15Dublin
13h 40m
1 stop
PDX17:55Portland
€540
Icelandair
14 Sept
PDX15:30Portland
13h 45m
1 stop
DUB13:15Dublin
7 Oct
DUB12:15Dublin
13h 40m
1 stop
PDX17:55Portland
€554

Air Canada flights from Portland to Ireland

Our best Air Canada deals on Portland to Ireland flight tickets
Air Canada
15 Sept
PDX19:45Portland
28h 00m
2 stops
DUB07:45Dublin
22 Sept
DUB09:20Dublin
37h 27m
2 stops
PDX14:47Portland
€629
Air Canada
20 Sept
PDX19:45Portland
28h 00m
2 stops
DUB07:45Dublin
30 Sept
DUB09:50Dublin
17h 16m
1 stop
PDX19:06Portland
€638
Air Canada
2 Aug
PDX19:45Portland
28h 00m
2 stops
DUB07:45Dublin
12 Aug
DUB09:20Dublin
37h 31m
2 stops
PDX14:51Portland
€646

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 30 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

Thu 17/9

15:30-11:05

1 stop11h 35m

Dublin

Fri 2/10

12:15-17:55

1 stop13h 40m

€534

PortlandDublin

PDX - DUB

PDXDUB

Portland

Thu 17/9

15:30-11:05

1 stop11h 35m

Dublin

Wed 30/9

12:15-17:55

1 stop13h 40m

€540

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 14/9

15:30-13:15

1 stop13h 45m

Dublin

Wed 7/10

12:15-17:55

1 stop13h 40m

€554

PortlandShannon

PDX - SNN

PDXSNN

Portland

Sun 6/9

07:00-11:10

1 stop20h 10m

Shannon

Fri 18/9

13:05-21:35

1 stop16h 30m

€644

PortlandShannon

PDX - SNN

PDXSNN

Portland

Sun 6/9

11:55-11:10

2 stops15h 15m

Shannon

Fri 18/9

13:05-23:41

2 stops18h 36m

€648

PortlandShannon

PDX - SNN

PDXSNN

Portland

Mon 31/8

23:15-10:15

2 stops27h 00m

Shannon

Fri 4/9

12:30-00:47

2 stops20h 17m

€657

PortlandShannon

PDX - SNN

PDXSNN

Portland

Sun 23/8

10:45-07:30

1 stop12h 45m

Shannon

Wed 2/9

09:30-15:30

1 stop14h 00m

€658

PortlandShannon

PDX - SNN

PDXSNN

Portland

Sat 22/8

22:05-11:10

1 stop29h 05m

Shannon

Tue 1/9

13:05-21:35

1 stop16h 30m

€663

PortlandShannon

PDX - SNN

PDXSNN

Portland

Sat 22/8

13:45-11:10

2 stops37h 25m

Shannon

Tue 1/9

13:05-16:21

2 stops35h 16m

€664

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

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 €286.

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 €517 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

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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