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Cheap flights from Portland to Dublin from €282

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 18/11. 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.
Icelandair Logo
14:45 - 10:15PDX-DUB
11h 30m1 stop
Icelandair Logo
11:30 - 17:00DUB-PDX
13h 30m1 stop
€328Icelandair
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Mon, 1 Dec - Fri, 5 Dec
Icelandair Logo
15:45 - 10:15PDX-DUB
11h 30m1 stop
Icelandair Logo
11:30 - 18:00DUB-PDX
13h 30m1 stop
€342Icelandair
Find Deal
Thu, 12 Mar - Mon, 23 Mar
Icelandair Logo
15:45 - 10:15PDX-DUB
11h 30m1 stop
Icelandair Logo
11:30 - 18:00DUB-PDX
13h 30m1 stop
€343Icelandair
Find Deal
Tue, 10 Mar - Fri, 20 Mar
Delta Logo
06:10 - 08:45PDX-DUB
18h 35m2 stops
Delta Logo
11:30 - 00:16DUB-PDX
20h 46m2 stops
€369Delta
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Mon, 17 Nov - Wed, 3 Dec
British Airways Logo
07:38 - 09:50PDX-DUB
18h 12m2 stops
British Airways Logo
18:00 - 15:55DUB-PDX
29h 55m1 stop
€372British Airways
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Mon, 26 Jan - Tue, 10 Feb
KLM Logo
06:10 - 07:45PDX-DUB
17h 35m1 stop
KLM Logo
09:45 - 17:43DUB-PDX
15h 58m1 stop
€377KLM
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Sun, 16 Nov - Tue, 25 Nov
Multiple Airlines Logo
07:40 - 07:10PDX-DUB
15h 30m1 stop
Multiple Airlines Logo
11:30 - 21:15DUB-PDX
17h 45m2 stops
€381Multiple Airlines
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Sun, 16 Nov - Tue, 25 Nov
Delta Logo
00:40 - 07:45PDX-DUB
23h 05m1 stop
Delta Logo
10:45 - 21:35DUB-PDX
17h 50m1 stop
€382Delta
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Sat, 28 Feb - Tue, 10 Mar
KLM Logo
07:05 - 08:45PDX-DUB
17h 40m1 stop
KLM Logo
05:55 - 11:25DUB-PDX
13h 30m1 stop
€386KLM
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Mon, 17 Nov - Wed, 26 Nov
Multiple Airlines Logo
15:15 - 16:55PDX-DUB
17h 40m2 stops
Multiple Airlines Logo
08:45 - 18:46DUB-PDX
18h 01m2 stops
€387Multiple Airlines
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Fri, 24 Apr - Sat, 2 May

KLM flights from Portland to Dublin

Our best KLM deals on Portland to Dublin flight tickets
KLM
16 Nov
PDX06:10Portland
17h 35m
1 stop
DUB07:45Dublin
25 Nov
DUB09:45Dublin
15h 58m
1 stop
PDX17:43Portland
€377
Find similar
KLM
17 Nov
PDX07:05Portland
17h 40m
1 stop
DUB08:45Dublin
26 Nov
DUB05:55Dublin
13h 30m
1 stop
PDX11:25Portland
€386
Find similar
KLM
1 Mar
PDX06:00Portland
17h 45m
1 stop
DUB07:45Dublin
7 Mar
DUB17:15Dublin
26h 10m
1 stop
PDX11:25Portland
€388
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Delta flights from Portland to Dublin

Our best Delta deals on Portland to Dublin flight tickets
Delta
17 Nov
PDX07:05Portland
17h 40m
1 stop
DUB08:45Dublin
3 Dec
DUB11:30Dublin
31h 25m
2 stops
PDX10:55Portland
€369
Find similar
Delta
28 Feb
PDX00:40Portland
23h 05m
1 stop
DUB07:45Dublin
10 Mar
DUB10:45Dublin
17h 50m
1 stop
PDX21:35Portland
€382
Find similar
Delta
28 Feb
PDX00:40Portland
24h 05m
2 stops
DUB08:45Dublin
7 Mar
DUB08:50Dublin
34h 35m
1 stop
PDX11:25Portland
€393
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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 6 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 1/12

14:45-10:15

1 stop11h 30m

Dublin

Fri 5/12

11:30-17:00

1 stop13h 30m

€328

PortlandDublin

PDX - DUB

PDXDUB

Portland

Thu 12/3

15:45-10:15

1 stop11h 30m

Dublin

Mon 23/3

11:30-18:00

1 stop13h 30m

€342

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

€343

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 17/11

06:10-08:45

2 stops18h 35m

Dublin

Wed 3/12

11:30-00:16

2 stops20h 46m

€369

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 26/1

07:38-09:50

2 stops18h 12m

Dublin

Tue 10/2

18:00-15:55

1 stop29h 55m

€372

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 16/11

06:10-07:45

1 stop17h 35m

Dublin

Tue 25/11

09:45-17:43

1 stop15h 58m

€377

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 16/11

07:40-07:10

1 stop15h 30m

Dublin

Tue 25/11

11:30-21:15

2 stops17h 45m

€381

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sat 28/2

00:40-07:45

1 stop23h 05m

Dublin

Tue 10/3

10:45-21:35

1 stop17h 50m

€382

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 17/11

07:05-08:45

1 stop17h 40m

Dublin

Wed 26/11

05:55-11:25

1 stop13h 30m

€386

PortlandDublin

PDX - DUB

PDXDUB

Portland

Fri 24/4

15:15-16:55

2 stops17h 40m

Dublin

Sat 2/5

08:45-18:46

2 stops18h 01m

€387

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 €447.

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 €494. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around €1,208. 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 €694. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are €742 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 €533 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 €501 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.
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  • 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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