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Cheap flights from Portland to Dublin from €285

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 25/2. 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 Dublin

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
17:45 - 15:05
PDX
-
DUB
13h 20m
1 stop
British Airways Logo
20:40 - 16:55
DUB
-
PDX
27h 15m
1 stop
€346British Airways
Sun, 1 Mar - Tue, 10 Mar
British Airways Logo
17:45 - 15:20
PDX
-
DUB
13h 35m
1 stop
British Airways Logo
10:20 - 15:55
DUB
-
PDX
13h 35m
1 stop
€347British Airways
Mon, 9 Feb - Wed, 25 Feb
British Airways Logo
07:38 - 10:15
PDX
-
DUB
18h 37m
2 stops
British Airways Logo
19:45 - 15:55
DUB
-
PDX
28h 10m
1 stop
€348British Airways
Wed, 11 Feb - Tue, 17 Feb
British Airways Logo
07:38 - 10:15
PDX
-
DUB
18h 37m
2 stops
British Airways Logo
08:50 - 15:55
DUB
-
PDX
15h 05m
1 stop
€349British Airways
Tue, 10 Feb - Wed, 25 Feb
United Airlines Logo
10:47 - 08:10
PDX
-
DUB
13h 23m
1 stop
United Airlines Logo
09:00 - 18:56
DUB
-
PDX
41h 56m
2 stops
€350United Airlines
Tue, 27 Jan - Fri, 6 Feb
British Airways Logo
14:18 - 15:20
PDX
-
DUB
17h 02m
2 stops
British Airways Logo
10:00 - 15:55
DUB
-
PDX
13h 55m
1 stop
€350British Airways
Mon, 9 Feb - Wed, 25 Feb
British Airways Logo
19:30 - 22:30
PDX
-
DUB
19h 00m
1 stop
British Airways Logo
12:30 - 17:40
DUB
-
PDX
13h 10m
1 stop
€351British Airways
Mon, 20 Apr - Thu, 30 Apr
British Airways Logo
17:45 - 14:20
PDX
-
DUB
12h 35m
1 stop
British Airways Logo
10:55 - 00:20
DUB
-
PDX
20h 25m
2 stops
€352British Airways
Sun, 1 Mar - Tue, 10 Mar
British Airways Logo
17:45 - 15:20
PDX
-
DUB
13h 35m
1 stop
British Airways Logo
20:40 - 19:16
DUB
-
PDX
30h 36m
2 stops
€353British Airways
Mon, 9 Feb - Mon, 16 Feb
British Airways Logo
06:00 - 11:15
PDX
-
DUB
21h 15m
2 stops
British Airways Logo
06:40 - 19:16
DUB
-
PDX
20h 36m
2 stops
€354British Airways
Tue, 10 Feb - Thu, 19 Feb

Delta flights from Portland to Dublin

Our best Delta deals on Portland to Dublin flight tickets
Delta
21 Mar
PDX00:30Portland
24h 15m
1 stop
DUB07:45Dublin
31 Mar
DUB13:15Dublin
16h 55m
1 stop
PDX22:10Portland
€380
Delta
17 Mar
PDX06:05Portland
18h 40m
1 stop
DUB07:45Dublin
22 Mar
DUB13:25Dublin
30h 00m
1 stop
PDX12:25Portland
€384
Delta
28 Feb
PDX21:45Portland
27h 00m
2 stops
DUB08:45Dublin
7 Mar
DUB13:25Dublin
30h 00m
1 stop
PDX11:25Portland
€387

Lufthansa flights from Portland to Dublin

Our best Lufthansa deals on Portland to Dublin flight tickets
Lufthansa
21 Jan
PDX07:00Portland
17h 10m
1 stop
DUB08:10Dublin
29 Jan
DUB10:40Dublin
19h 52m
1 stop
PDX22:32Portland
€370
Lufthansa
21 Jan
PDX07:00Portland
17h 10m
1 stop
DUB08:10Dublin
29 Jan
DUB10:40Dublin
20h 26m
2 stops
PDX23:06Portland
€374
Lufthansa
18 Apr
PDX15:15Portland
33h 00m
2 stops
DUB08:15Dublin
26 Apr
DUB09:50Dublin
40h 40m
2 stops
PDX18:30Portland
€389

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 January 2026.
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

Sun 1/3

17:45-15:05

1 stop13h 20m

Dublin

Tue 10/3

20:40-16:55

1 stop27h 15m

€346

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 9/2

17:45-15:20

1 stop13h 35m

Dublin

Wed 25/2

10:20-15:55

1 stop13h 35m

€347

PortlandDublin

PDX - DUB

PDXDUB

Portland

Wed 11/2

07:38-10:15

2 stops18h 37m

Dublin

Tue 17/2

19:45-15:55

1 stop28h 10m

€348

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 10/2

07:38-10:15

2 stops18h 37m

Dublin

Wed 25/2

08:50-15:55

1 stop15h 05m

€349

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 27/1

10:47-08:10

1 stop13h 23m

Dublin

Fri 6/2

09:00-18:56

2 stops41h 56m

€350

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 9/2

14:18-15:20

2 stops17h 02m

Dublin

Wed 25/2

10:00-15:55

1 stop13h 55m

€350

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 20/4

19:30-22:30

1 stop19h 00m

Dublin

Thu 30/4

12:30-17:40

1 stop13h 10m

€351

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 1/3

17:45-14:20

1 stop12h 35m

Dublin

Tue 10/3

10:55-00:20

2 stops20h 25m

€352

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 9/2

17:45-15:20

1 stop13h 35m

Dublin

Mon 16/2

20:40-19:16

2 stops30h 36m

€353

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 10/2

06:00-11:15

2 stops21h 15m

Dublin

Thu 19/2

06:40-19:16

2 stops20h 36m

€354

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 typical price of a round-trip flight between Portland and Dublin?

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 €443.

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 €536 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 €499 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

Fastest flight time

11h 35m

Direct flights

None
The fastest flight from Portland to Dublin takes 11h 35m
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 35m 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
Cavan
Swords
Dundalk
Tullamore
Naas
Kildare
Enniscorthy
Bray
Mullingar
Carlingford
Gorey
Malahide
Maynooth
Leixlip
Arklow
Castleknock
Drogheda

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.

An easier way to manage your Dublin 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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