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Cheap flights from Portland to Dublin from €271

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 10/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
15:25 - 07:45
PDX
-
DUB
32h 20m1 stop
Multiple Airlines Logo
09:20 - 14:45
DUB
-
PDX
13h 25m1 stop
€335Multiple Airlines
Mon, 4 May - Wed, 13 May
British Airways Logo
17:45 - 17:00
PDX
-
DUB
15h 15m1 stop
British Airways Logo
20:40 - 15:55
DUB
-
PDX
27h 15m1 stop
€339British Airways
Wed, 11 Feb - Tue, 17 Feb
Brussels Airlines Logo
07:00 - 08:10
PDX
-
DUB
17h 10m1 stop
Brussels Airlines Logo
10:40 - 18:56
DUB
-
PDX
16h 16m1 stop
€340Brussels Airlines
Mon, 12 Jan - Tue, 27 Jan
British Airways Logo
17:45 - 17:00
PDX
-
DUB
15h 15m1 stop
British Airways Logo
20:40 - 15:55
DUB
-
PDX
27h 15m1 stop
€342British Airways
Wed, 11 Feb - Tue, 17 Feb
British Airways Logo
18:45 - 17:05
PDX
-
DUB
15h 20m1 stop
British Airways Logo
20:40 - 16:55
DUB
-
PDX
27h 15m1 stop
€343British Airways
Mon, 9 Mar - Tue, 17 Mar
British Airways Logo
14:13 - 17:00
PDX
-
DUB
18h 47m2 stops
British Airways Logo
10:20 - 15:55
DUB
-
PDX
13h 35m1 stop
€346British Airways
Tue, 10 Feb - Wed, 25 Feb
Icelandair Logo
15:45 - 10:15
PDX
-
DUB
11h 30m1 stop
Icelandair Logo
11:30 - 18:00
DUB
-
PDX
13h 30m1 stop
€347Icelandair
Mon, 9 Mar - Mon, 16 Mar
British Airways Logo
12:02 - 17:00
PDX
-
DUB
20h 58m2 stops
British Airways Logo
08:50 - 15:55
DUB
-
PDX
15h 05m1 stop
€349British Airways
Tue, 17 Feb - Wed, 25 Feb
British Airways Logo
17:45 - 19:40
PDX
-
DUB
17h 55m1 stop
British Airways Logo
08:50 - 20:27
DUB
-
PDX
19h 37m2 stops
€350British Airways
Mon, 12 Jan - Tue, 27 Jan
British Airways Logo
17:45 - 15:20
PDX
-
DUB
13h 35m1 stop
British Airways Logo
08:50 - 20:27
DUB
-
PDX
19h 37m2 stops
€351British Airways
Mon, 12 Jan - Tue, 27 Jan

British Airways flights from Portland to Dublin

Our best British Airways deals on Portland to Dublin flight tickets
British Airways
11 Feb
PDX17:45Portland
15h 15m
1 stop
DUB17:00Dublin
17 Feb
DUB20:40Dublin
27h 15m
1 stop
PDX15:55Portland
€339
Find similar
British Airways
11 Feb
PDX17:45Portland
15h 15m
1 stop
DUB17:00Dublin
17 Feb
DUB20:40Dublin
27h 15m
1 stop
PDX15:55Portland
€342
Find similar
British Airways
9 Mar
PDX18:45Portland
15h 20m
1 stop
DUB17:05Dublin
17 Mar
DUB20:40Dublin
27h 15m
1 stop
PDX16:55Portland
€343
Find similar

Brussels Airlines flights from Portland to Dublin

Our best Brussels Airlines deals on Portland to Dublin flight tickets
Brussels Airlines
12 Jan
PDX07:00Portland
17h 10m
1 stop
DUB08:10Dublin
27 Jan
DUB10:40Dublin
16h 16m
1 stop
PDX18:56Portland
€340
Find similar
Brussels Airlines
23 Jan
PDX07:00Portland
17h 10m
1 stop
DUB08:10Dublin
30 Jan
DUB10:40Dublin
16h 16m
1 stop
PDX18:56Portland
€363
Find similar

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 4 December 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 4/5

15:25-07:45

1 stop32h 20m

Dublin

Wed 13/5

09:20-14:45

1 stop13h 25m

€335

PortlandDublin

PDX - DUB

PDXDUB

Portland

Wed 11/2

17:45-17:00

1 stop15h 15m

Dublin

Tue 17/2

20:40-15:55

1 stop27h 15m

€339

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 12/1

07:00-08:10

1 stop17h 10m

Dublin

Tue 27/1

10:40-18:56

1 stop16h 16m

€340

PortlandDublin

PDX - DUB

PDXDUB

Portland

Wed 11/2

17:45-17:00

1 stop15h 15m

Dublin

Tue 17/2

20:40-15:55

1 stop27h 15m

€342

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 9/3

18:45-17:05

1 stop15h 20m

Dublin

Tue 17/3

20:40-16:55

1 stop27h 15m

€343

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 10/2

14:13-17:00

2 stops18h 47m

Dublin

Wed 25/2

10:20-15:55

1 stop13h 35m

€346

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 9/3

15:45-10:15

1 stop11h 30m

Dublin

Mon 16/3

11:30-18:00

1 stop13h 30m

€347

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 17/2

12:02-17:00

2 stops20h 58m

Dublin

Wed 25/2

08:50-15:55

1 stop15h 05m

€349

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 12/1

17:45-19:40

1 stop17h 55m

Dublin

Tue 27/1

08:50-20:27

2 stops19h 37m

€350

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 12/1

17:45-15:20

1 stop13h 35m

Dublin

Tue 27/1

08:50-20:27

2 stops19h 37m

€351

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 €444.

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 €486. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around €1,190. 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 €684. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are €731 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 €528 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 €495 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 30m

Direct flights

None
The fastest flight from Portland to Dublin takes 11h 30m
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
Kildare
Enniscorthy
Bray
Naas
Mullingar
Carlingford
Arklow
Maynooth
Gorey
Leixlip
Malahide
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.

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