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Cheap flights from Portland to Dublin from €345

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 1/10. 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

KAYAK's recommended return flight deals from the most popular airlines that fly from Portland to Dublin.
Iberia Logo
05:54 - 09:45PDX-DUB
19h 51m1 stop
Iberia Logo
12:40 - 20:53DUB-PDX
16h 13m1 stop
€476Iberia
Find Deal
Mon, 1 Sep - Thu, 11 Sep
Finnair Logo
07:59 - 09:45PDX-DUB
17h 46m1 stop
Finnair Logo
09:45 - 23:54DUB-PDX
22h 09m2 stops
€483Finnair
Find Deal
Mon, 1 Sep - Thu, 11 Sep
Iberia Logo
05:31 - 09:45PDX-DUB
20h 14m1 stop
Iberia Logo
12:40 - 21:21DUB-PDX
16h 41m1 stop
€486Iberia
Find Deal
Tue, 29 Apr - Tue, 6 May
Delta Logo
00:59 - 07:55PDX-DUB
22h 56m1 stop
Delta Logo
11:00 - 10:58DUB-PDX
31h 58m1 stop
€487Delta
Find Deal
Sun, 20 Apr - Tue, 6 May
 Logo
19:25 - 19:35PDX-DUB
16h 10m1 stop
 Logo
12:40 - 22:39DUB-PDX
17h 59m1 stop
€489
Find Deal
Mon, 21 Apr - Tue, 6 May
Delta Logo
00:59 - 07:55PDX-DUB
22h 56m1 stop
Delta Logo
11:00 - 10:58DUB-PDX
31h 58m1 stop
€490Delta
Find Deal
Sun, 20 Apr - Tue, 6 May
American Airlines Logo
19:25 - 17:30PDX-DUB
14h 05m1 stop
American Airlines Logo
12:45 - 17:35DUB-PDX
12h 50m1 stop
€492American Airlines
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Wed, 24 Sep - Fri, 3 Oct
 Logo
19:25 - 19:35PDX-DUB
16h 10m1 stop
 Logo
12:40 - 22:39DUB-PDX
17h 59m1 stop
€493
Find Deal
Mon, 21 Apr - Tue, 6 May
British Airways Logo
19:25 - 17:05PDX-DUB
13h 40m1 stop
British Airways Logo
08:30 - 17:35DUB-PDX
17h 05m1 stop
€494British Airways
Find Deal
Tue, 9 Sep - Wed, 17 Sep
British Airways Logo
23:59 - 09:40PDX-DUB
25h 41m2 stops
British Airways Logo
12:45 - 17:35DUB-PDX
12h 50m1 stop
€497British Airways
Find Deal
Sat, 20 Sep - Thu, 2 Oct

Delta flights from Portland to Dublin

Our best Delta deals on Portland to Dublin flight tickets
Delta
20 Apr
PDX00:59Portland
22h 56m
1 stop
DUB07:55Dublin
6 May
DUB10:00Dublin
30h 30m
2 stops
PDX08:30Portland
Delta
20 Apr
PDX00:59Portland
22h 56m
1 stop
DUB07:55Dublin
6 May
DUB11:00Dublin
31h 58m
1 stop
PDX10:58Portland
Delta
23 Sept
PDX07:00Portland
18h 15m
1 stop
DUB09:15Dublin
3 Oct
DUB13:15Dublin
18h 14m
1 stop
PDX23:29Portland

British Airways flights from Portland to Dublin

Our best British Airways deals on Portland to Dublin flight tickets
British Airways
9 Sept
PDX19:25Portland
13h 40m
1 stop
DUB17:05Dublin
17 Sept
DUB08:30Dublin
17h 05m
1 stop
PDX17:35Portland
British Airways
20 Sept
PDX23:59Portland
25h 41m
2 stops
DUB09:40Dublin
2 Oct
DUB12:45Dublin
12h 50m
1 stop
PDX17:35Portland
British Airways
25 Jun
PDX10:29Portland
20h 06m
2 stops
DUB14:35Dublin
9 Jul
DUB17:55Dublin
31h 40m
1 stop
PDX17:35Portland

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 €450.

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 €1,260. 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 €774 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 21 weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around €564 when searching 21 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 €526 on momondo.

How have Portland to Dublin flight prices changed over time?

As of April 2025, prices for Portland to Dublin flights are approximately 4% 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

€345

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 €345. The best return flight deal from Portland to Dublin found on momondo in the last 72 hours is €476.
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
Swords
Dundalk
Wicklow
Cavan
Arklow
Naas
Tullamore
Gorey
Kildare
Drogheda
Portmarnock
Mullingar
Maynooth
Bray
Castleknock
Thurles
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.


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