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Cheap flights from Portland to Dublin from €318

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 Dublin departing on 10/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

Enter your travel dates to find the best prices.
Icelandair Logo
14:45 - 10:15PDX-DUB
11h 30m1 stop
Icelandair Logo
11:30 - 17:00DUB-PDX
13h 30m1 stop
€326Icelandair
Find Deal
Mon, 8 Dec - Mon, 15 Dec
Icelandair Logo
15:45 - 10:15PDX-DUB
11h 30m1 stop
Icelandair Logo
11:30 - 18:00DUB-PDX
13h 30m1 stop
€339Icelandair
Find Deal
Tue, 10 Mar - Fri, 20 Mar
Icelandair Logo
14:45 - 10:15PDX-DUB
11h 30m1 stop
Icelandair Logo
11:30 - 17:00DUB-PDX
13h 30m1 stop
€346Icelandair
Find Deal
Mon, 8 Dec - Mon, 15 Dec
Icelandair Logo
14:45 - 10:15PDX-DUB
11h 30m1 stop
Icelandair Logo
11:30 - 17:00DUB-PDX
13h 30m1 stop
€351Icelandair
Find Deal
Tue, 9 Dec - Mon, 15 Dec
American Airlines Logo
17:45 - 17:05PDX-DUB
15h 20m1 stop
American Airlines Logo
13:00 - 11:00DUB-PDX
30h 00m1 stop
€358American Airlines
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Mon, 8 Dec - Wed, 24 Dec
British Airways Logo
17:45 - 14:20PDX-DUB
12h 35m1 stop
British Airways Logo
17:55 - 15:55DUB-PDX
30h 00m1 stop
€365British Airways
Find Deal
Sun, 11 Jan - Sat, 24 Jan
British Airways Logo
12:35 - 17:00PDX-DUB
20h 25m2 stops
British Airways Logo
08:50 - 20:27DUB-PDX
19h 37m2 stops
€368British Airways
Find Deal
Wed, 4 Feb - Wed, 11 Feb
British Airways Logo
12:35 - 14:05PDX-DUB
17h 30m2 stops
British Airways Logo
20:40 - 18:51DUB-PDX
30h 11m2 stops
€370British Airways
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Wed, 14 Jan - Wed, 21 Jan
KLM Logo
06:15 - 07:45PDX-DUB
17h 30m1 stop
KLM Logo
09:45 - 20:52DUB-PDX
19h 07m1 stop
€374KLM
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Tue, 9 Dec - Tue, 16 Dec
Multiple Airlines Logo
05:30 - 07:10PDX-DUB
17h 40m1 stop
Multiple Airlines Logo
11:30 - 22:56DUB-PDX
19h 26m2 stops
€378Multiple Airlines
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Sun, 30 Nov - Thu, 11 Dec

Icelandair flights from Portland to Dublin

Our best Icelandair deals on Portland to Dublin flight tickets
Icelandair
8 Dec
PDX14:45Portland
11h 30m
1 stop
DUB10:15Dublin
15 Dec
DUB11:30Dublin
13h 30m
1 stop
PDX17:00Portland
€326
Find similar
Icelandair
10 Mar
PDX15:45Portland
11h 30m
1 stop
DUB10:15Dublin
20 Mar
DUB11:30Dublin
13h 30m
1 stop
PDX18:00Portland
€339
Find similar
Icelandair
8 Dec
PDX14:45Portland
11h 30m
1 stop
DUB10:15Dublin
15 Dec
DUB11:30Dublin
13h 30m
1 stop
PDX17:00Portland
€346
Find similar

KLM flights from Portland to Dublin

Our best KLM deals on Portland to Dublin flight tickets
KLM
9 Dec
PDX06:15Portland
17h 30m
1 stop
DUB07:45Dublin
16 Dec
DUB09:45Dublin
19h 07m
1 stop
PDX20:52Portland
€374
Find similar
KLM
18 Nov
PDX06:00Portland
17h 45m
1 stop
DUB07:45Dublin
11 Dec
DUB13:25Dublin
30h 00m
1 stop
PDX11:25Portland
€382
Find similar
KLM
1 Mar
PDX06:56Portland
16h 49m
1 stop
DUB07:45Dublin
8 Mar
DUB17:15Dublin
26h 10m
1 stop
PDX12:25Portland
€385
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momondo Fare Finder

 
Customise your flight search to find flights from Portland to Dublin 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 13 November 2025.
Use the filters below to find and compare flights from Portland to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 8/12

14:45-10:15

1 stop11h 30m

Dublin

Mon 15/12

11:30-17:00

1 stop13h 30m

€326

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 10/3

15:45-10:15

1 stop11h 30m

Dublin

Fri 20/3

11:30-18:00

1 stop13h 30m

€339

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 8/12

14:45-10:15

1 stop11h 30m

Dublin

Mon 15/12

11:30-17:00

1 stop13h 30m

€346

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 9/12

14:45-10:15

1 stop11h 30m

Dublin

Mon 15/12

11:30-17:00

1 stop13h 30m

€351

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 8/12

17:45-17:05

1 stop15h 20m

Dublin

Wed 24/12

13:00-11:00

1 stop30h 00m

€358

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 11/1

17:45-14:20

1 stop12h 35m

Dublin

Sat 24/1

17:55-15:55

1 stop30h 00m

€365

PortlandDublin

PDX - DUB

PDXDUB

Portland

Wed 4/2

12:35-17:00

2 stops20h 25m

Dublin

Wed 11/2

08:50-20:27

2 stops19h 37m

€368

PortlandDublin

PDX - DUB

PDXDUB

Portland

Wed 14/1

12:35-14:05

2 stops17h 30m

Dublin

Wed 21/1

20:40-18:51

2 stops30h 11m

€370

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 9/12

06:15-07:45

1 stop17h 30m

Dublin

Tue 16/12

09:45-20:52

1 stop19h 07m

€374

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 30/11

05:30-07:10

1 stop17h 40m

Dublin

Thu 11/12

11:30-22:56

2 stops19h 26m

€378

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 Dublin from

How to get the cheapest flight ticket from Portland to Dublin

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 Dublin?

If you aren’t able to travel during the month of November, then book flights to Dublin from Portland during February instead. Flights to Dublin in February, while not as cheap as those in November, still average around €446.

What is the cheapest day to depart on your flight to Dublin?

Our data shows that Monday is the least expensive day to fly to Dublin. Tickets to fly out on this day can be as low as €490. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around €1,198. These prices are subject to change though, so be sure to set up a Price Alert for flights to Dublin.

What is the cheapest time of day to depart on your flight to Dublin?

Our data shows that the cheapest Portland to Dublin flights are usually those with departure times at midday. Our users have found flights to Dublin at midday for as low as €689. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are €736 on average. Flights to Dublin from Portland in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

How far in advance should I book a flight to Dublin?

You are more likely to see cheaper flights to Dublin from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around €532 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Portland for as low as €498 on momondo.

How have Portland to Dublin flight prices changed over time?

When to book flights from Portland to Dublin

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Dublin according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Portland to Dublin (PDX to DUB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Dublin

Direct flights

None
There are no direct flights from Portland to Dublin. There are no popular flight routes from Portland to Dublin.
Search flight deals

  • How far is Portland to Dublin by plane?

    A flight from Portland to Dublin will travel around 7475.1 km. Typically, this will take 11h 30m by plane in normal conditions.

  • When did momondo last update prices for flights from Portland Airport to Dublin Airport?

    Prices for flights from Portland Airport to Dublin Airport refresh daily.

  • How old do you have to be to fly from Portland Airport to Dublin Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Dublin Airport.

  • What documentation or ID do you need to fly to Dublin Airport?

    The necessary travel and health documents for your Dublin Airport 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.

Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Kilkenny
Athlone
Wicklow
Swords
Cavan
Dundalk
Tullamore
Enniscorthy
Kildare
Bray
Mullingar
Naas
Arklow
Carlingford
Maynooth
Leixlip
Drogheda
Gorey
Malahide
Castleknock

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Dublin?

It is quick and easy to find Portland to Dublin 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 Dublin that suits you.

Can I find flights from Portland to Dublin with flexible booking policies on momondo?

All flight searches from Portland to Dublin on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Portland to Dublin?

momondo helps you find the best flight between Portland and Dublin 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 Dublin right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Dublin, momondo offers a useful price alert feature which will track prices for flights to Dublin from Portland and alert you when they change.

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