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Cheap flights from Portland to Dublin from €214

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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Find the cheapest flights from Portland to Dublin (PDX-DUB)

Cheap return flights

Logo
05:00 - 07:30PDX-DUB
18h 30m2 stops
Logo
09:00 - 09:15DUB-PDX
32h 15m2 stops
€367
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Wed, 5 Nov - Wed, 12 Nov
United Airlines Logo
06:15 - 07:45PDX-DUB
17h 30m1 stop
United Airlines Logo
12:05 - 20:29DUB-PDX
16h 24m1 stop
€368United Airlines
Find Deal
Tue, 21 Oct - Wed, 5 Nov
Icelandair Logo
15:20 - 13:15PDX-DUB
13h 55m1 stop
Icelandair Logo
11:30 - 17:00DUB-PDX
13h 30m1 stop
€369Icelandair
Find Deal
Wed, 22 Oct - Mon, 10 Nov
American Airlines Logo
18:45 - 15:40PDX-DUB
13h 55m1 stop
American Airlines Logo
08:45 - 15:55DUB-PDX
15h 10m1 stop
€371American Airlines
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Wed, 29 Oct - Wed, 5 Nov
Air Canada Logo
19:00 - 07:10PDX-DUB
28h 10m2 stops
Air Canada Logo
09:00 - 09:15DUB-PDX
32h 15m2 stops
€374Air Canada
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Mon, 10 Nov - Wed, 19 Nov
Air Canada Logo
10:00 - 07:45PDX-DUB
37h 45m2 stops
Air Canada Logo
09:20 - 09:21DUB-PDX
32h 01m2 stops
€379Air Canada
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Tue, 9 Sep - Thu, 18 Sep
American Airlines Logo
19:25 - 17:45PDX-DUB
15h 20m1 stop
American Airlines Logo
12:55 - 23:26DUB-PDX
18h 31m1 stop
€388American Airlines
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Sat, 25 Oct - Fri, 7 Nov
Delta Logo
22:10 - 07:45PDX-DUB
26h 35m1 stop
Delta Logo
06:00 - 21:04DUB-PDX
23h 04m2 stops
€392Delta
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Sat, 25 Oct - Fri, 7 Nov
Icelandair Logo
14:45 - 10:15PDX-DUB
11h 30m1 stop
Icelandair Logo
11:30 - 17:00DUB-PDX
13h 30m1 stop
€394Icelandair
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Tue, 25 Nov - Mon, 1 Dec
Delta Logo
05:30 - 09:15PDX-DUB
19h 45m2 stops
Delta Logo
12:00 - 23:57DUB-PDX
19h 57m2 stops
€405Delta
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Tue, 14 Oct - Fri, 24 Oct

Air Canada flights from Portland to Dublin

Our best Air Canada deals on Portland to Dublin flight tickets
Air Canada
10 Nov
PDX19:00Portland
28h 10m
2 stops
DUB07:10Dublin
19 Nov
DUB09:00Dublin
32h 15m
2 stops
PDX09:15Portland
€374
Find similar
Air Canada
9 Sept
PDX10:00Portland
37h 45m
2 stops
DUB07:45Dublin
18 Sept
DUB09:20Dublin
32h 01m
2 stops
PDX09:21Portland
€379
Find similar
Air Canada
8 Sept
PDX19:40Portland
28h 35m
2 stops
DUB08:15Dublin
22 Sept
DUB09:50Dublin
33h 59m
2 stops
PDX11:49Portland
€379
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United Airlines flights from Portland to Dublin

Our best United Airlines deals on Portland to Dublin flight tickets
United Airlines
21 Oct
PDX06:15Portland
17h 30m
1 stop
DUB07:45Dublin
5 Nov
DUB12:05Dublin
16h 24m
1 stop
PDX20:29Portland
€368
Find similar
United Airlines
4 Nov
PDX08:20Portland
18h 00m
1 stop
DUB10:20Dublin
12 Nov
DUB12:05Dublin
16h 24m
1 stop
PDX20:29Portland
€372
Find similar
United Airlines
9 Sept
PDX14:15Portland
35h 30m
1 stop
DUB09:45Dublin
17 Sept
DUB09:20Dublin
32h 01m
1 stop
PDX09:21Portland
€373
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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 21 August 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

Wed 5/11

05:00-07:30

2 stops18h 30m

Dublin

Wed 12/11

09:00-09:15

2 stops32h 15m

€367

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 21/10

06:15-07:45

1 stop17h 30m

Dublin

Wed 5/11

12:05-20:29

1 stop16h 24m

€368

PortlandDublin

PDX - DUB

PDXDUB

Portland

Wed 22/10

15:20-13:15

1 stop13h 55m

Dublin

Mon 10/11

11:30-17:00

1 stop13h 30m

€369

PortlandDublin

PDX - DUB

PDXDUB

Portland

Wed 29/10

18:45-15:40

1 stop13h 55m

Dublin

Wed 5/11

08:45-15:55

1 stop15h 10m

€371

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 10/11

19:00-07:10

2 stops28h 10m

Dublin

Wed 19/11

09:00-09:15

2 stops32h 15m

€374

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 9/9

10:00-07:45

2 stops37h 45m

Dublin

Thu 18/9

09:20-09:21

2 stops32h 01m

€379

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sat 25/10

19:25-17:45

1 stop15h 20m

Dublin

Fri 7/11

12:55-23:26

1 stop18h 31m

€388

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sat 25/10

22:10-07:45

1 stop26h 35m

Dublin

Fri 7/11

06:00-21:04

2 stops23h 04m

€392

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 25/11

14:45-10:15

1 stop11h 30m

Dublin

Mon 1/12

11:30-17:00

1 stop13h 30m

€394

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 14/10

05:30-09:15

2 stops19h 45m

Dublin

Fri 24/10

12:00-23:57

2 stops19h 57m

€405

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 €434.

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 €487. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around €1,191. 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 €685. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are €732 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 €517 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 €490 on momondo.

How have Portland to Dublin flight prices changed over time?

As of August 2025, prices for Portland to Dublin flights are approximately 42% 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.
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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
Enniscorthy
Tullamore
Kildare
Naas
Mullingar
Arklow
Maynooth
Bray
Drogheda
Gorey
Malahide
Carlingford
Portmarnock
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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