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Cheap flights from Portland to Dublin from €142

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 11/10. 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 - 11:05PDX-DUB
11h 45m1 stop
Icelandair Logo
11:30 - 17:00DUB-PDX
13h 30m1 stop
€298Icelandair
Find Deal
Sat, 25 Oct - Fri, 7 Nov
Icelandair Logo
15:20 - 11:05PDX-DUB
11h 45m1 stop
Icelandair Logo
11:30 - 17:00DUB-PDX
13h 30m1 stop
€299Icelandair
Find Deal
Sat, 25 Oct - Fri, 7 Nov
United Airlines Logo
08:20 - 10:20PDX-DUB
19h 00m1 stop
United Airlines Logo
09:00 - 20:29DUB-PDX
43h 29m2 stops
€345United Airlines
Find Deal
Wed, 29 Oct - Wed, 5 Nov
United Airlines Logo
23:59 - 10:20PDX-DUB
27h 21m2 stops
United Airlines Logo
09:00 - 11:48DUB-PDX
34h 48m2 stops
€350United Airlines
Find Deal
Mon, 27 Oct - Mon, 3 Nov
Air Canada Logo
10:05 - 07:45PDX-DUB
37h 40m2 stops
Air Canada Logo
09:20 - 14:46DUB-PDX
13h 26m1 stop
€351Air Canada
Find Deal
Sat, 23 Aug - Fri, 5 Sep
Air Canada Logo
15:25 - 08:15PDX-DUB
32h 50m2 stops
Air Canada Logo
09:20 - 23:01DUB-PDX
45h 41m2 stops
€357Air Canada
Find Deal
Mon, 11 Aug - Thu, 21 Aug
Lufthansa Logo
15:25 - 07:45PDX-DUB
32h 20m2 stops
Lufthansa Logo
09:20 - 23:01DUB-PDX
21h 41m2 stops
€360Lufthansa
Find Deal
Tue, 9 Sep - Thu, 18 Sep
British Airways Logo
18:30 - 15:05PDX-DUB
12h 35m1 stop
British Airways Logo
17:05 - 16:35DUB-PDX
31h 30m1 stop
€364British Airways
Find Deal
Sun, 16 Nov - Tue, 25 Nov
British Airways Logo
18:30 - 17:00PDX-DUB
14h 30m1 stop
British Airways Logo
08:40 - 16:35DUB-PDX
15h 55m1 stop
€366British Airways
Find Deal
Wed, 12 Nov - Wed, 19 Nov
Lufthansa Logo
15:25 - 07:45PDX-DUB
32h 20m2 stops
Lufthansa Logo
09:20 - 18:46DUB-PDX
17h 26m1 stop
€375Lufthansa
Find Deal
Tue, 9 Sep - Wed, 17 Sep

Icelandair flights from Portland to Dublin

Our best Icelandair deals on Portland to Dublin flight tickets
Icelandair
25 Oct
PDX15:20Portland
11h 45m
1 stop
DUB11:05Dublin
7 Nov
DUB11:30Dublin
13h 30m
1 stop
PDX17:00Portland
Icelandair
25 Oct
PDX15:20Portland
11h 45m
1 stop
DUB11:05Dublin
7 Nov
DUB11:30Dublin
13h 30m
1 stop
PDX17:00Portland
Icelandair
25 Oct
PDX15:20Portland
11h 45m
1 stop
DUB11:05Dublin
7 Nov
DUB11:30Dublin
13h 30m
1 stop
PDX17:00Portland

United Airlines flights from Portland to Dublin

Our best United Airlines deals on Portland to Dublin flight tickets
United Airlines
29 Oct
PDX08:20Portland
19h 00m
1 stop
DUB10:20Dublin
5 Nov
DUB09:00Dublin
43h 29m
2 stops
PDX20:29Portland
United Airlines
27 Oct
PDX23:59Portland
24h 31m
2 stops
DUB07:30Dublin
3 Nov
DUB09:00Dublin
34h 48m
2 stops
PDX11:48Portland
United Airlines
5 Aug
PDX23:20Portland
23h 50m
1 stop
DUB07:10Dublin
19 Aug
DUB09:20Dublin
34h 29m
2 stops
PDX11:49Portland

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 €426.

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 €484. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around €1,184. 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 €680. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are €727 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 €511 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 €484 on momondo.

How have Portland to Dublin flight prices changed over time?

As of June 2025, prices for Portland to Dublin flights are approximately 21% 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

€142

Fastest flight time

11h 30m

Direct flights

None

Airports in Dublin

1 airport
The best one-way flight to Dublin from Portland in the past 72 hours is €142. The best return flight deal from Portland to Dublin found on momondo in the last 72 hours is €298.
The fastest flight from Portland to Dublin takes 11h 30m
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 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
Enniscorthy
Swords
Cavan
Dundalk
Wicklow
Tullamore
Arklow
Kildare
Gorey
Naas
Mullingar
Drogheda
Malahide
Portmarnock
Bray
Castleknock
Maynooth
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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Fri 4/7
Fri 11/7