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Cheap flights from Portland to Dublin from €203

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 28/4. 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

Enter your travel dates to find the best prices.
Icelandair Logo
15:30 - 13:15
PDX
-
DUB
13h 45m
1 stop
Icelandair Logo
12:15 - 18:00
DUB
-
PDX
13h 45m
1 stop
€347Icelandair
Mon, 20 Apr - Wed, 29 Apr
Icelandair Logo
15:30 - 11:05
PDX
-
DUB
11h 35m
1 stop
Icelandair Logo
12:15 - 18:00
DUB
-
PDX
13h 45m
1 stop
€362Icelandair
Thu, 9 Apr - Wed, 22 Apr
Icelandair Logo
15:30 - 13:15
PDX
-
DUB
13h 45m
1 stop
Icelandair Logo
12:15 - 18:00
DUB
-
PDX
13h 45m
1 stop
€368Icelandair
Mon, 13 Apr - Wed, 29 Apr
Icelandair Logo
15:30 - 11:05
PDX
-
DUB
11h 35m
1 stop
Icelandair Logo
12:15 - 18:00
DUB
-
PDX
13h 45m
1 stop
€369Icelandair
Sat, 25 Apr - Fri, 8 May
Air Canada Logo
15:25 - 07:45
PDX
-
DUB
32h 20m
2 stops
Air Canada Logo
09:20 - 09:31
DUB
-
PDX
32h 11m
2 stops
€376Air Canada
Sat, 8 Aug - Wed, 26 Aug
Air Canada Logo
15:25 - 07:45
PDX
-
DUB
32h 20m
1 stop
Air Canada Logo
09:50 - 18:41
DUB
-
PDX
40h 51m
2 stops
€383Air Canada
Mon, 17 Aug - Fri, 28 Aug
Air Canada Logo
19:45 - 08:15
PDX
-
DUB
28h 30m
2 stops
Air Canada Logo
09:50 - 14:51
DUB
-
PDX
37h 01m
2 stops
€384Air Canada
Sat, 8 Aug - Sat, 29 Aug
United Airlines Logo
19:45 - 07:45
PDX
-
DUB
28h 00m
1 stop
United Airlines Logo
09:50 - 15:08
DUB
-
PDX
37h 18m
2 stops
€386United Airlines
Mon, 17 Aug - Mon, 24 Aug
Multiple Airlines Logo
15:25 - 07:45
PDX
-
DUB
32h 20m
1 stop
Multiple Airlines Logo
09:50 - 19:05
DUB
-
PDX
17h 15m
1 stop
€387Multiple Airlines
Wed, 6 May - Wed, 13 May
United Airlines Logo
23:59 - 09:45
PDX
-
DUB
25h 46m
1 stop
United Airlines Logo
09:50 - 09:30
DUB
-
PDX
31h 40m
1 stop
€388United Airlines
Fri, 24 Apr - Sun, 10 May

United Airlines flights from Portland to Dublin

Our best United Airlines deals on Portland to Dublin flight tickets
United Airlines
17 Aug
PDX19:45Portland
28h 00m
1 stop
DUB07:45Dublin
24 Aug
DUB09:50Dublin
37h 18m
2 stops
PDX15:08Portland
€386
United Airlines
24 Apr
PDX23:59Portland
25h 46m
1 stop
DUB09:45Dublin
10 May
DUB09:50Dublin
31h 40m
1 stop
PDX09:30Portland
€388
United Airlines
25 Feb
PDX10:56Portland
13h 14m
1 stop
DUB08:10Dublin
4 Mar
DUB09:00Dublin
44h 58m
2 stops
PDX21:58Portland
€389

KLM flights from Portland to Dublin

Our best KLM deals on Portland to Dublin flight tickets
KLM
3 Mar
PDX06:00Portland
17h 45m
1 stop
DUB07:45Dublin
12 Mar
DUB13:25Dublin
30h 00m
1 stop
PDX12:25Portland
€397
KLM
22 Feb
PDX06:00Portland
17h 45m
1 stop
DUB07:45Dublin
7 Mar
DUB17:15Dublin
26h 10m
1 stop
PDX11:25Portland
€401
KLM
2 Mar
PDX13:25Portland
15h 15m
1 stop
DUB12:40Dublin
11 Mar
DUB05:55Dublin
13h 30m
1 stop
PDX12:25Portland
€407

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 February 2026.
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 20/4

15:30-13:15

1 stop13h 45m

Dublin

Wed 29/4

12:15-18:00

1 stop13h 45m

€347

PortlandDublin

PDX - DUB

PDXDUB

Portland

Thu 9/4

15:30-11:05

1 stop11h 35m

Dublin

Wed 22/4

12:15-18:00

1 stop13h 45m

€362

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 13/4

15:30-13:15

1 stop13h 45m

Dublin

Wed 29/4

12:15-18:00

1 stop13h 45m

€368

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sat 25/4

15:30-11:05

1 stop11h 35m

Dublin

Fri 8/5

12:15-18:00

1 stop13h 45m

€369

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sat 8/8

15:25-07:45

2 stops32h 20m

Dublin

Wed 26/8

09:20-09:31

2 stops32h 11m

€376

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 17/8

15:25-07:45

1 stop32h 20m

Dublin

Fri 28/8

09:50-18:41

2 stops40h 51m

€383

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sat 8/8

19:45-08:15

2 stops28h 30m

Dublin

Sat 29/8

09:50-14:51

2 stops37h 01m

€384

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 17/8

19:45-07:45

1 stop28h 00m

Dublin

Mon 24/8

09:50-15:08

2 stops37h 18m

€386

PortlandDublin

PDX - DUB

PDXDUB

Portland

Wed 6/5

15:25-07:45

1 stop32h 20m

Dublin

Wed 13/5

09:50-19:05

1 stop17h 15m

€387

PortlandDublin

PDX - DUB

PDXDUB

Portland

Fri 24/4

23:59-09:45

1 stop25h 46m

Dublin

Sun 10/5

09:50-09:30

1 stop31h 40m

€388

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 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 January, then book flights to Dublin from Portland during November instead. Flights to Dublin in November, while not as cheap as those in January, still average around €417.

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 €521 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 €499 on momondo.

How have Portland to Dublin flight prices changed over time?

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

Fastest flight time

11h 35m

Direct flights

None
The fastest flight from Portland to Dublin takes 11h 35m
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 35m 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
Naas
Swords
Tullamore
Kildare
Dundalk
Bray
Enniscorthy
Mullingar
Gorey
Maynooth
Malahide
Carlingford
Leixlip
Arklow
Castleknock
Drogheda

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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