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Cheap flights from Portland to Ireland from €246

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 - 13:15
PDX
-
DUB
13h 45m
1 stop
Icelandair Logo
12:15 - 17:55
DUB
-
PDX
13h 40m
1 stop
€502Icelandair
Mon, 12 Oct - Wed, 21 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
€514Icelandair
Tue, 25 Aug - Fri, 11 Sep
Icelandair Logo
15:30 - 11:05
PDX
-
DUB
11h 35m
1 stop
Icelandair Logo
14:15 - 17:55
DUB
-
PDX
11h 40m
1 stop
€547Icelandair
Thu, 17 Sep - Tue, 29 Sep
United Airlines Logo
07:00 - 07:30
PDX
-
SNN
16h 30m
1 stop
United Airlines Logo
09:30 - 18:47
SNN
-
PDX
17h 17m
1 stop
€641United Airlines
Sun, 6 Sep - Thu, 10 Sep
United Airlines Logo
08:29 - 10:15
PDX
-
SNN
17h 46m
2 stops
United Airlines Logo
09:30 - 20:55
SNN
-
PDX
19h 25m
2 stops
€644United Airlines
Sun, 6 Sep - Thu, 10 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
€688Delta
Sat, 5 Sep - Sat, 19 Sep
Delta Logo
05:30 - 14:40
PDX
-
ORK
25h 10m
2 stops
Delta Logo
17:10 - 11:10
ORK
-
PDX
26h 00m
1 stop
€693Delta
Sun, 24 May - Mon, 8 Jun
KLM Logo
13:05 - 10:20
PDX
-
ORK
13h 15m
1 stop
KLM Logo
17:10 - 11:10
ORK
-
PDX
26h 00m
1 stop
€696KLM
Sun, 24 May - Mon, 8 Jun
KLM Logo
11:20 - 10:20
PDX
-
ORK
15h 00m
2 stops
KLM Logo
17:10 - 11:10
ORK
-
PDX
26h 00m
1 stop
€727KLM
Wed, 13 May - Wed, 20 May
Lufthansa Logo
14:15 - 16:30
PDX
-
ORK
18h 15m
2 stops
Lufthansa Logo
16:55 - 19:06
ORK
-
PDX
34h 11m
2 stops
€734Lufthansa
Tue, 8 Sep - Tue, 22 Sep

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Lufthansa flights from Portland to Ireland

Our best Lufthansa deals on Portland to Ireland flight tickets
Lufthansa
8 Sept
PDX15:30Portland
32h 15m
2 stops
DUB07:45Dublin
18 Sept
DUB09:50Dublin
17h 16m
1 stop
PDX19:06Portland
€626
Lufthansa
20 Sept
PDX15:30Portland
32h 15m
2 stops
DUB07:45Dublin
2 Oct
DUB09:50Dublin
17h 16m
1 stop
PDX19:06Portland
€628
Lufthansa
27 Sept
PDX15:30Portland
32h 15m
2 stops
DUB07:45Dublin
8 Oct
DUB06:00Dublin
21h 06m
2 stops
PDX19:06Portland
€630

British Airways flights from Portland to Ireland

Our best British Airways deals on Portland to Ireland flight tickets
British Airways
20 Sept
PDX19:30Portland
16h 05m
1 stop
DUB19:35Dublin
6 Oct
DUB08:35Dublin
17h 05m
1 stop
PDX17:40Portland
€614
British Airways
27 Sept
PDX19:30Portland
16h 05m
1 stop
DUB19:35Dublin
8 Oct
DUB10:30Dublin
15h 10m
1 stop
PDX17:40Portland
€629
British Airways
24 Aug
PDX19:30Portland
15h 10m
1 stop
DUB18:40Dublin
1 Sept
DUB20:25Dublin
29h 15m
1 stop
PDX17:40Portland
€638

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 19 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 12/10

15:30-13:15

1 stop13h 45m

Dublin

Wed 21/10

12:15-17:55

1 stop13h 40m

€502

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 25/8

15:30-11:05

1 stop11h 35m

Dublin

Fri 11/9

12:15-17:55

1 stop13h 40m

€514
Fastest return journey

PortlandDublin

PDX - DUB

PDXDUB

Portland

Thu 17/9

15:30-11:05

1 stop11h 35m

Dublin

Tue 29/9

14:15-17:55

1 stop11h 40m

€547

PortlandShannon

PDX - SNN

PDXSNN

Portland

Sun 6/9

07:00-07:30

1 stop16h 30m

Shannon

Thu 10/9

09:30-18:47

1 stop17h 17m

€641

PortlandShannon

PDX - SNN

PDXSNN

Portland

Sun 6/9

08:29-10:15

2 stops17h 46m

Shannon

Thu 10/9

09:30-20:55

2 stops19h 25m

€644

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

€688

PortlandCork

PDX - ORK

PDXORK

Portland

Sun 24/5

05:30-14:40

2 stops25h 10m

Cork

Mon 8/6

17:10-11:10

1 stop26h 00m

€693

PortlandCork

PDX - ORK

PDXORK

Portland

Sun 24/5

13:05-10:20

1 stop13h 15m

Cork

Mon 8/6

17:10-11:10

1 stop26h 00m

€696

PortlandCork

PDX - ORK

PDXORK

Portland

Wed 13/5

11:20-10:20

2 stops15h 00m

Cork

Wed 20/5

17:10-11:10

1 stop26h 00m

€727

PortlandCork

PDX - ORK

PDXORK

Portland

Tue 8/9

14:15-16:30

2 stops18h 15m

Cork

Tue 22/9

16:55-19:06

2 stops34h 11m

€734

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 February is another great option to travel to Ireland, with average flight prices from Portland averaging around €411.

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 €513 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 €466 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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