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Cheap flights from Portland to Dublin from $277

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 3/30. 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

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Find the cheapest flights from Portland to Dublin

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
3:30 pm - 11:05 am
PDX
-
DUB
11h 35m
1 stop
Icelandair Logo
12:15 pm - 6:00 pm
DUB
-
PDX
13h 45m
1 stop
$408Icelandair
Tue, Apr 21 - Wed, Apr 29
Icelandair Logo
3:30 pm - 11:05 am
PDX
-
DUB
11h 35m
1 stop
Icelandair Logo
12:15 pm - 6:00 pm
DUB
-
PDX
13h 45m
1 stop
$413Icelandair
Tue, Apr 14 - Fri, Apr 24
Icelandair Logo
3:45 pm - 10:15 am
PDX
-
DUB
11h 30m
1 stop
Icelandair Logo
11:30 am - 6:00 pm
DUB
-
PDX
13h 30m
1 stop
$428Icelandair
Mon, Mar 9 - Wed, Mar 25
Icelandair Logo
3:45 pm - 10:15 am
PDX
-
DUB
11h 30m
1 stop
Icelandair Logo
11:30 am - 6:00 pm
DUB
-
PDX
13h 30m
1 stop
$429Icelandair
Mon, Mar 9 - Wed, Mar 25
Icelandair Logo
3:30 pm - 11:05 am
PDX
-
DUB
11h 35m
1 stop
Icelandair Logo
12:15 pm - 6:00 pm
DUB
-
PDX
13h 45m
1 stop
$433Icelandair
Sat, Apr 18 - Fri, Apr 24
Icelandair Logo
3:30 pm - 1:15 pm
PDX
-
DUB
13h 45m
1 stop
Icelandair Logo
12:15 pm - 6:00 pm
DUB
-
PDX
13h 45m
1 stop
$435Icelandair
Mon, Apr 20 - Wed, Apr 29
Multiple Airlines Logo
7:45 pm - 8:15 am
PDX
-
DUB
28h 30m
2 stops
Multiple Airlines Logo
9:50 am - 7:05 pm
DUB
-
PDX
17h 15m
1 stop
$441Multiple Airlines
Fri, May 1 - Sun, May 10
Multiple Airlines Logo
10:10 am - 7:45 am
PDX
-
DUB
13h 35m
1 stop
Multiple Airlines Logo
9:50 am - 2:45 pm
DUB
-
PDX
12h 55m
1 stop
$442Multiple Airlines
Fri, May 1 - Fri, May 8
Multiple Airlines Logo
10:10 am - 7:45 am
PDX
-
DUB
13h 35m
1 stop
Multiple Airlines Logo
6:05 am - 7:05 pm
DUB
-
PDX
21h 00m
2 stops
$444Multiple Airlines
Fri, May 1 - Fri, May 8
Icelandair Logo
3:45 pm - 10:15 am
PDX
-
DUB
11h 30m
1 stop
Icelandair Logo
12:15 pm - 6:00 pm
DUB
-
PDX
13h 45m
1 stop
$445Icelandair
Tue, Mar 10 - Wed, May 6

British Airways flights from Portland to Dublin

Our best British Airways deals on Portland to Dublin flight tickets
British Airways
Mar 1
PDX5:45 pmPortland
17h 55m
1 stop
DUB7:40 pmDublin
Mar 10
DUB8:40 pmDublin
27h 15m
1 stop
PDX4:55 pmPortland
$448
British Airways
Mar 9
PDX6:45 pmPortland
17h 55m
1 stop
DUB7:40 pmDublin
Mar 16
DUB10:45 amDublin
13h 10m
1 stop
PDX4:55 pmPortland
$449
British Airways
Mar 9
PDX6:45 pmPortland
17h 55m
1 stop
DUB7:40 pmDublin
Mar 16
DUB10:45 amDublin
13h 10m
1 stop
PDX4:55 pmPortland
$450

United Airlines flights from Portland to Dublin

Our best United Airlines deals on Portland to Dublin flight tickets
United Airlines
Mar 8
PDX11:10 pmPortland
28h 10m
1 stop
DUB10:20 amDublin
May 2
DUB9:20 amDublin
32h 10m
1 stop
PDX9:30 amPortland
$455
United Airlines
Mar 9
PDX7:00 amPortland
18h 10m
1 stop
DUB8:10 amDublin
Mar 16
DUB8:00 amDublin
41h 48m
2 stops
PDX6:48 pmPortland
$458
United Airlines
Mar 7
PDX1:00 pmPortland
35h 10m
2 stops
DUB8:10 amDublin
May 6
DUB9:50 amDublin
31h 40m
1 stop
PDX9:30 amPortland
$460

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated January 31, 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

Tue 4/21

3:30 pm-11:05 am

1 stop11h 35m

Dublin

Wed 4/29

12:15 pm-6:00 pm

1 stop13h 45m

$408

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 4/14

3:30 pm-11:05 am

1 stop11h 35m

Dublin

Fri 4/24

12:15 pm-6:00 pm

1 stop13h 45m

$413

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 3/9

3:45 pm-10:15 am

1 stop11h 30m

Dublin

Wed 3/25

11:30 am-6:00 pm

1 stop13h 30m

$428

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 3/9

3:45 pm-10:15 am

1 stop11h 30m

Dublin

Wed 3/25

11:30 am-6:00 pm

1 stop13h 30m

$429

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sat 4/18

3:30 pm-11:05 am

1 stop11h 35m

Dublin

Fri 4/24

12:15 pm-6:00 pm

1 stop13h 45m

$433

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 4/20

3:30 pm-1:15 pm

1 stop13h 45m

Dublin

Wed 4/29

12:15 pm-6:00 pm

1 stop13h 45m

$435

PortlandDublin

PDX - DUB

PDXDUB

Portland

Fri 5/1

7:45 pm-8:15 am

2 stops28h 30m

Dublin

Sun 5/10

9:50 am-7:05 pm

1 stop17h 15m

$441

PortlandDublin

PDX - DUB

PDXDUB

Portland

Fri 5/1

10:10 am-7:45 am

1 stop13h 35m

Dublin

Fri 5/8

9:50 am-2:45 pm

1 stop12h 55m

$442

PortlandDublin

PDX - DUB

PDXDUB

Portland

Fri 5/1

10:10 am-7:45 am

1 stop13h 35m

Dublin

Fri 5/8

6:05 am-7:05 pm

2 stops21h 00m

$444

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 3/10

3:45 pm-10:15 am

1 stop11h 30m

Dublin

Wed 5/6

12:15 pm-6:00 pm

1 stop13h 45m

$445

Flights are sorted by cheapest round-trip 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?

In general, November is the cheapest month to fly from Portland to Dublin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $487. If you’re not able to fly to Dublin in November, then February is your next best option. Flight prices from Portland to Dublin during February average around $516.

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 $623 when searching 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 $581 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 round-trip 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 30m

Direct flights

None
The fastest flight from Portland to Dublin takes 11h 30m
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?

    The straight-line distance from Portland to Dublin is 4644.8 mi. A reasonable flight in good conditions will take 11h 30m.

  • When did momondo last update prices for flights from Portland Airport to Dublin Airport?

    Prices for flights from Portland Airport to Dublin Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Portland Airport to Dublin Airport?

  • 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 layovers. 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 required travel and health documents for your Dublin Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Dublin Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Portland to Dublin?

Best airlines flying from Portland to Dublin

Compare and see reviews for airlines that fly from Portland to Dublin with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $355Free CancellationRating
7.1
606 reviews
Search Icelandair flights
IberiaPriceFrom $437Free CancellationRating
7.0
3,100 reviews
Search Iberia flights
United AirlinesPriceFrom $465Free CancellationRating
7.4
9,219 reviews
Search United Airlines flights
British AirwaysPriceFrom $466Free CancellationRating
6.7
7,706 reviews
Search British Airways flights
American AirlinesPriceFrom $467Free CancellationRating
7.2
11,211 reviews
Search American Airlines flights
DeltaPriceFrom $468Free CancellationRating
7.9
8,130 reviews
Search Delta flights
KLMPriceFrom $473Free CancellationRating
7.7
1,444 reviews
Search KLM flights
LufthansaPriceFrom $477Free CancellationRating
6.8
7,758 reviews
Search Lufthansa flights
Air CanadaPriceFrom $490Free CancellationRating
7.1
10,668 reviews
Search Air Canada flights
Aer LingusPriceFrom $679Free CancellationRating
7.2
1,444 reviews
Search Aer Lingus flights

Traveling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Kilkenny
Swords
Athlone
Dundalk
Malahide
Mullingar
Bray
Kildare
Wicklow
Drogheda
Portmarnock
Arklow
Castleknock
Naas
Leixlip
Carlingford
Cavan
Maynooth
Thurles
Slane

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Dublin?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Portland to Dublin for you.

Can I find flights from Portland to Dublin with flexible booking policies on momondo?

Flights from Portland to Dublin with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Portland to Dublin?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Dublin from Portland.

I’m not ready to book a flight from Portland to Dublin right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Portland to Dublin flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Dublin trip

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