Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Portland to Dublin from €188

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 18/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Portland to Dublin

Cheap return flights

Enter your travel dates to find the best prices.
Lufthansa Logo
07:00 - 08:10
PDX
-
DUB
17h 10m1 stop
Lufthansa Logo
10:40 - 18:49
DUB
-
PDX
16h 09m1 stop
€367Lufthansa
Fri, 6 Feb - Fri, 20 Feb
Air Canada Logo
19:00 - 07:10
PDX
-
DUB
52h 10m2 stops
Air Canada Logo
09:00 - 09:15
DUB
-
PDX
32h 15m2 stops
€377Air Canada
Fri, 23 Jan - Sun, 8 Feb
British Airways Logo
17:45 - 14:20
PDX
-
DUB
12h 35m1 stop
British Airways Logo
08:50 - 15:55
DUB
-
PDX
15h 05m1 stop
€377British Airways
Fri, 20 Feb - Wed, 25 Feb
British Airways Logo
17:45 - 19:40
PDX
-
DUB
17h 55m1 stop
British Airways Logo
18:00 - 16:55
DUB
-
PDX
29h 55m1 stop
€379British Airways
Sun, 1 Mar - Tue, 10 Mar
British Airways Logo
17:45 - 07:55
PDX
-
DUB
30h 10m1 stop
British Airways Logo
08:50 - 16:55
DUB
-
PDX
15h 05m1 stop
€380British Airways
Wed, 4 Mar - Fri, 13 Mar
British Airways Logo
19:30 - 17:05
PDX
-
DUB
13h 35m1 stop
British Airways Logo
20:20 - 17:40
DUB
-
PDX
29h 20m1 stop
€381British Airways
Tue, 31 Mar - Tue, 14 Apr
British Airways Logo
12:35 - 17:00
PDX
-
DUB
20h 25m2 stops
British Airways Logo
15:10 - 15:55
DUB
-
PDX
32h 45m1 stop
€383British Airways
Tue, 10 Feb - Sat, 21 Feb
British Airways Logo
14:13 - 17:00
PDX
-
DUB
18h 47m2 stops
British Airways Logo
15:10 - 15:55
DUB
-
PDX
32h 45m1 stop
€384British Airways
Tue, 10 Feb - Sat, 21 Feb
United Airlines Logo
23:59 - 09:45
PDX
-
DUB
25h 46m1 stop
United Airlines Logo
09:50 - 09:30
DUB
-
PDX
31h 40m1 stop
€386United Airlines
Sun, 12 Apr - Sat, 2 May
United Airlines Logo
07:00 - 08:10
PDX
-
DUB
17h 10m1 stop
United Airlines Logo
09:00 - 18:10
DUB
-
PDX
41h 10m2 stops
€388United Airlines
Tue, 20 Jan - Sat, 31 Jan

British Airways flights from Portland to Dublin

Our best British Airways deals on Portland to Dublin flight tickets
British Airways
20 Feb
PDX17:45Portland
12h 35m
1 stop
DUB14:20Dublin
25 Feb
DUB08:50Dublin
15h 05m
1 stop
PDX15:55Portland
€377
Find similar
British Airways
1 Mar
PDX17:45Portland
17h 55m
1 stop
DUB19:40Dublin
10 Mar
DUB18:00Dublin
29h 55m
1 stop
PDX16:55Portland
€379
Find similar
British Airways
4 Mar
PDX17:45Portland
30h 10m
1 stop
DUB07:55Dublin
13 Mar
DUB08:50Dublin
15h 05m
1 stop
PDX16:55Portland
€380
Find similar

Lufthansa flights from Portland to Dublin

Our best Lufthansa deals on Portland to Dublin flight tickets
Lufthansa
6 Feb
PDX07:00Portland
17h 10m
1 stop
DUB08:10Dublin
20 Feb
DUB10:40Dublin
16h 09m
1 stop
PDX18:49Portland
€367
Find similar
Lufthansa
27 Jan
PDX15:46Portland
56h 24m
2 stops
DUB08:10Dublin
30 Mar
DUB09:50Dublin
40h 40m
2 stops
PDX18:30Portland
€395
Find similar
Lufthansa
29 Jan
PDX08:30Portland
39h 40m
2 stops
DUB08:10Dublin
30 Mar
DUB09:50Dublin
40h 40m
2 stops
PDX18:30Portland
€400
Find similar

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 31 December 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

Fri 6/2

07:00-08:10

1 stop17h 10m

Dublin

Fri 20/2

10:40-18:49

1 stop16h 09m

€367

PortlandDublin

PDX - DUB

PDXDUB

Portland

Fri 23/1

19:00-07:10

2 stops52h 10m

Dublin

Sun 8/2

09:00-09:15

2 stops32h 15m

€377

PortlandDublin

PDX - DUB

PDXDUB

Portland

Fri 20/2

17:45-14:20

1 stop12h 35m

Dublin

Wed 25/2

08:50-15:55

1 stop15h 05m

€377

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 1/3

17:45-19:40

1 stop17h 55m

Dublin

Tue 10/3

18:00-16:55

1 stop29h 55m

€379

PortlandDublin

PDX - DUB

PDXDUB

Portland

Wed 4/3

17:45-07:55

1 stop30h 10m

Dublin

Fri 13/3

08:50-16:55

1 stop15h 05m

€380

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 31/3

19:30-17:05

1 stop13h 35m

Dublin

Tue 14/4

20:20-17:40

1 stop29h 20m

€381

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 10/2

12:35-17:00

2 stops20h 25m

Dublin

Sat 21/2

15:10-15:55

1 stop32h 45m

€383

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 10/2

14:13-17:00

2 stops18h 47m

Dublin

Sat 21/2

15:10-15:55

1 stop32h 45m

€384

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 12/4

23:59-09:45

1 stop25h 46m

Dublin

Sat 2/5

09:50-09:30

1 stop31h 40m

€386

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 20/1

07:00-08:10

1 stop17h 10m

Dublin

Sat 31/1

09:00-18:10

2 stops41h 10m

€388

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 €439.

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 €543 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 €495 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

13h 35m

Direct flights

None
The fastest flight from Portland to Dublin takes 13h 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 13h 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
Swords
Cavan
Dundalk
Tullamore
Naas
Kildare
Enniscorthy
Bray
Mullingar
Carlingford
Gorey
Malahide
Maynooth
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.

An easier way to manage your Dublin trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 30/1
Fri 6/2
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland