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Cheap flights from Portland to Dublin from €190

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 21/10. 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

Icelandair Logo
15:20 - 13:15PDX-DUB
13h 55m1 stop
Icelandair Logo
11:30 - 18:00DUB-PDX
13h 30m1 stop
€343Icelandair
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Mon, 20 Oct - Fri, 31 Oct
Icelandair Logo
15:20 - 11:15PDX-DUB
11h 55m1 stop
Icelandair Logo
11:30 - 17:00DUB-PDX
13h 30m1 stop
€344Icelandair
Find Deal
Sat, 25 Oct - Fri, 7 Nov
Icelandair Logo
15:20 - 13:15PDX-DUB
13h 55m1 stop
Icelandair Logo
11:30 - 18:00DUB-PDX
13h 30m1 stop
€345Icelandair
Find Deal
Mon, 13 Oct - Wed, 29 Oct
Air Canada Logo
19:40 - 07:45PDX-DUB
28h 05m1 stop
Air Canada Logo
09:20 - 18:46DUB-PDX
17h 26m1 stop
€375Air Canada
Find Deal
Mon, 6 Oct - Wed, 22 Oct
Lufthansa Logo
09:55 - 07:45PDX-DUB
13h 50m1 stop
Lufthansa Logo
05:55 - 18:46DUB-PDX
20h 51m2 stops
€376Lufthansa
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Thu, 16 Oct - Thu, 23 Oct
Air Canada Logo
19:40 - 07:45PDX-DUB
28h 05m1 stop
Air Canada Logo
09:20 - 14:46DUB-PDX
13h 26m1 stop
€376Air Canada
Find Deal
Mon, 6 Oct - Wed, 22 Oct
United Airlines Logo
07:00 - 08:10PDX-DUB
17h 10m1 stop
United Airlines Logo
09:00 - 22:35DUB-PDX
45h 35m2 stops
€385United Airlines
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Thu, 13 Nov - Sat, 22 Nov
Multiple Airlines Logo
23:12 - 09:55PDX-DUB
26h 43m1 stop
Multiple Airlines Logo
09:00 - 14:45DUB-PDX
37h 45m2 stops
€386Multiple Airlines
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Wed, 5 Nov - Sat, 15 Nov
United Airlines Logo
14:15 - 09:45PDX-DUB
35h 30m1 stop
United Airlines Logo
09:20 - 09:20DUB-PDX
32h 00m1 stop
€388United Airlines
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Tue, 14 Oct - Wed, 22 Oct
Multiple Airlines Logo
06:15 - 08:15PDX-DUB
18h 00m2 stops
Multiple Airlines Logo
09:20 - 18:46DUB-PDX
17h 26m1 stop
€390Multiple Airlines
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Sun, 5 Oct - Wed, 15 Oct

Air Canada flights from Portland to Dublin

Our best Air Canada deals on Portland to Dublin flight tickets
Air Canada
6 Oct
PDX19:40Portland
28h 05m
1 stop
DUB07:45Dublin
22 Oct
DUB09:20Dublin
17h 26m
1 stop
PDX18:46Portland
€375
Find similar
Air Canada
6 Oct
PDX19:40Portland
28h 05m
1 stop
DUB07:45Dublin
22 Oct
DUB09:20Dublin
13h 26m
1 stop
PDX14:46Portland
€376
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Air Canada
6 Oct
PDX06:15Portland
17h 30m
2 stops
DUB07:45Dublin
22 Oct
DUB09:20Dublin
13h 26m
1 stop
PDX14:46Portland
€380
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American Airlines flights from Portland to Dublin

Our best American Airlines deals on Portland to Dublin flight tickets
American Airlines
25 Oct
PDX19:25Portland
13h 15m
1 stop
DUB15:40Dublin
7 Nov
DUB12:55Dublin
16h 28m
1 stop
PDX21:23Portland
€404
Find similar
American Airlines
12 Nov
PDX17:45Portland
13h 55m
1 stop
DUB15:40Dublin
22 Nov
DUB11:30Dublin
17h 45m
2 stops
PDX21:15Portland
€407
Find similar
American Airlines
18 Feb
PDX17:45Portland
13h 55m
1 stop
DUB15:40Dublin
1 Mar
DUB10:00Dublin
13h 55m
1 stop
PDX15:55Portland
€408
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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 17 September 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 20/10

15:20-13:15

1 stop13h 55m

Dublin

Fri 31/10

11:30-18:00

1 stop13h 30m

€343

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sat 25/10

15:20-11:15

1 stop11h 55m

Dublin

Fri 7/11

11:30-17:00

1 stop13h 30m

€344

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 13/10

15:20-13:15

1 stop13h 55m

Dublin

Wed 29/10

11:30-18:00

1 stop13h 30m

€345

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 6/10

19:40-07:45

1 stop28h 05m

Dublin

Wed 22/10

09:20-18:46

1 stop17h 26m

€375

PortlandDublin

PDX - DUB

PDXDUB

Portland

Thu 16/10

09:55-07:45

1 stop13h 50m

Dublin

Thu 23/10

05:55-18:46

2 stops20h 51m

€376

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 6/10

19:40-07:45

1 stop28h 05m

Dublin

Wed 22/10

09:20-14:46

1 stop13h 26m

€376

PortlandDublin

PDX - DUB

PDXDUB

Portland

Thu 13/11

07:00-08:10

1 stop17h 10m

Dublin

Sat 22/11

09:00-22:35

2 stops45h 35m

€385

PortlandDublin

PDX - DUB

PDXDUB

Portland

Wed 5/11

23:12-09:55

1 stop26h 43m

Dublin

Sat 15/11

09:00-14:45

2 stops37h 45m

€386

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 14/10

14:15-09:45

1 stop35h 30m

Dublin

Wed 22/10

09:20-09:20

1 stop32h 00m

€388

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 5/10

06:15-08:15

2 stops18h 00m

Dublin

Wed 15/10

09:20-18:46

1 stop17h 26m

€390

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 €436.

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 €480. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around €1,174. 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 €675. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are €721 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 €518 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 €483 on momondo.

How have Portland to Dublin flight prices changed over time?

As of September 2025, prices for Portland to Dublin flights are approximately 24% cheaper when compared to flights at the same time last year.

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
Cavan
Swords
Dundalk
Tullamore
Enniscorthy
Kildare
Naas
Mullingar
Bray
Maynooth
Arklow
Drogheda
Malahide
Carlingford
Portmarnock
Castleknock
Leixlip

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

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