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Cheap flights from Portland to Dublin from €321

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 15/7. 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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Find the cheapest flights from Portland to Dublin

Cheap return flights

These are some of the best return flight deals from Portland to Dublin that have been recently found on momondo from popular airlines, departing in the coming months.
23:27 - 07:10PDX-DUB
23h 43m1 stop
09:50 - 09:35DUB-PDX
31h 45m2 stops
€487
Find Deal
Sat, 29 Mar - Tue, 8 Apr
15:25 - 06:10PDX-DUB
31h 45m2 stops
09:50 - 14:45DUB-PDX
36h 55m2 stops
€489Air Canada
Find Deal
Mon, 24 Mar - Thu, 3 Apr
07:05 - 08:45PDX-DUB
18h 40m1 stop
05:55 - 12:25DUB-PDX
13h 30m1 stop
€492KLM
Find Deal
Sun, 9 Mar - Fri, 21 Mar
06:00 - 17:20PDX-DUB
28h 20m2 stops
09:45 - 23:02DUB-PDX
21h 17m2 stops
€495Finnair
Find Deal
Thu, 27 Mar - Tue, 8 Apr
07:05 - 08:45PDX-DUB
18h 40m1 stop
05:55 - 15:23DUB-PDX
16h 28m2 stops
€502KLM
Find Deal
Sun, 9 Mar - Fri, 21 Mar
07:45 - 06:10PDX-DUB
39h 25m2 stops
12:30 - 20:14DUB-PDX
15h 44m1 stop
€507United Airlines
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Thu, 27 Mar - Tue, 8 Apr
07:05 - 08:05PDX-DUB
18h 00m2 stops
05:55 - 12:25DUB-PDX
13h 30m1 stop
€508Delta
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Wed, 12 Mar - Fri, 21 Mar
07:00 - 11:10PDX-DUB
20h 10m2 stops
09:50 - 20:14DUB-PDX
42h 24m2 stops
€513United Airlines
Find Deal
Wed, 2 Apr - Tue, 15 Apr
07:05 - 08:05PDX-DUB
18h 00m2 stops
10:45 - 22:32DUB-PDX
18h 47m1 stop
€514Delta
Find Deal
Wed, 12 Mar - Wed, 19 Mar
07:35 - 09:45PDX-DUB
18h 10m1 stop
09:45 - 23:02DUB-PDX
21h 17m2 stops
€555Finnair
Find Deal
Sun, 6 Apr - Thu, 17 Apr

Air Canada flights from Portland to Dublin

Our best Air Canada deals on Portland to Dublin flight tickets
Air Canada
24 Mar
PDX15:25Portland
31h 45m
2 stops
DUB06:10Dublin
3 Apr
DUB09:50Dublin
36h 55m
2 stops
PDX14:45Portland
Air Canada
7 May
PDX06:15Portland
18h 00m
2 stops
DUB08:15Dublin
29 May
DUB09:50Dublin
44h 42m
2 stops
PDX22:32Portland
Air Canada
7 May
PDX06:15Portland
18h 00m
2 stops
DUB08:15Dublin
30 May
DUB09:20Dublin
17h 25m
1 stop
PDX18:45Portland

KLM flights from Portland to Dublin

Our best KLM deals on Portland to Dublin flight tickets
KLM
1 Mar
PDX07:05Portland
17h 40m
1 stop
DUB08:45Dublin
17 Mar
DUB17:25Dublin
26h 00m
1 stop
PDX12:25Portland
KLM
9 Mar
PDX07:05Portland
18h 40m
1 stop
DUB08:45Dublin
21 Mar
DUB05:55Dublin
13h 30m
1 stop
PDX12:25Portland
KLM
9 Mar
PDX07:05Portland
18h 40m
1 stop
DUB08:45Dublin
21 Mar
DUB05:55Dublin
16h 28m
2 stops
PDX15:23Portland

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 €482.

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

Our data shows that Wednesday is the least expensive day to fly to Dublin. Tickets to fly out on this day can be as low as €0. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around €1,326. 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 in the afternoon. Our users have found flights to Dublin in the afternoon for as low as €0. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are €815 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 5 weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around €609 when searching 5 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Portland for as low as €554 on momondo.

How have Portland to Dublin flight prices changed over time?

As of February 2025, prices for Portland to Dublin flights are approximately 17% 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

Best price found

€321

Fastest flight time

11h 45m

Direct flights

None

Airports in Dublin

1 airport
The best one-way flight to Dublin from Portland in the past 72 hours is €321. The best return flight deal from Portland to Dublin found on momondo in the last 72 hours is €487.
The fastest flight from Portland to Dublin takes 11h 45m
There are no direct flights from Portland to Dublin. Popular non-direct route for this connection is Portland Airport - Dublin Airport.
There is 1 airport near Dublin: Dublin (DUB)

  • 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 45m 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
Enniscorthy
Dundalk
Swords
Naas
Arklow
Wicklow
Tullamore
Gorey
Cavan
Mullingar
Kildare
Portmarnock
Leixlip
Drogheda
Maynooth
Bray
Castleknock
Thurles

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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