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Cheap flights from Portland to Dublin from $177

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 9/29. 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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Cheap round-trip flights

Icelandair Logo
2:45 pm - 10:15 amPDX-DUB
11h 30m1 stop
Icelandair Logo
11:30 am - 5:00 pmDUB-PDX
13h 30m1 stop
$348Icelandair
Find Deal
Mon, Nov 10 - Mon, Nov 24
Icelandair Logo
2:45 pm - 10:15 amPDX-DUB
11h 30m1 stop
Icelandair Logo
11:30 am - 5:00 pmDUB-PDX
13h 30m1 stop
$351Icelandair
Find Deal
Thu, Nov 20 - Fri, Nov 28
Icelandair Logo
3:20 pm - 11:05 amPDX-DUB
11h 45m1 stop
Icelandair Logo
11:30 am - 5:00 pmDUB-PDX
13h 30m1 stop
$358Icelandair
Find Deal
Sat, Oct 25 - Fri, Nov 7
Air Canada Logo
3:15 pm - 7:10 amPDX-DUB
31h 55m2 stops
Air Canada Logo
9:00 am - 2:45 pmDUB-PDX
37h 45m2 stops
$393Air Canada
Find Deal
Mon, Nov 10 - Mon, Nov 24
United Airlines Logo
7:00 am - 8:10 amPDX-DUB
17h 10m1 stop
United Airlines Logo
9:00 am - 11:48 amDUB-PDX
34h 48m2 stops
$405United Airlines
Find Deal
Tue, Nov 18 - Wed, Nov 26
Air Canada Logo
7:00 pm - 6:10 amPDX-DUB
28h 10m2 stops
Air Canada Logo
9:00 am - 11:48 amDUB-PDX
34h 48m2 stops
$408Air Canada
Find Deal
Mon, Oct 27 - Mon, Nov 3
United Airlines Logo
5:00 am - 7:30 amPDX-DUB
18h 30m2 stops
United Airlines Logo
9:00 am - 11:48 amDUB-PDX
34h 48m2 stops
$410United Airlines
Find Deal
Wed, Nov 19 - Wed, Nov 26
American Airlines Logo
7:30 pm - 5:45 pmPDX-DUB
15h 15m1 stop
American Airlines Logo
8:45 am - 4:35 pmDUB-PDX
15h 50m1 stop
$432American Airlines
Find Deal
Wed, Oct 29 - Wed, Nov 5
Delta Logo
9:45 pm - 7:45 amPDX-DUB
27h 00m1 stop
Delta Logo
10:45 am - 11:29 pmDUB-PDX
20h 44m1 stop
$439Delta
Find Deal
Sat, Oct 25 - Fri, Nov 7
Delta Logo
12:40 am - 7:55 amPDX-DUB
23h 15m1 stop
Delta Logo
12:00 pm - 11:31 pmDUB-PDX
19h 31m1 stop
$443Delta
Find Deal
Mon, Aug 4 - Thu, Aug 21

United Airlines flights from Portland to Dublin

Our best United Airlines deals on Portland to Dublin flight tickets
United Airlines
Nov 18
PDX7:00 amPortland
17h 10m
1 stop
DUB8:10 amDublin
Nov 26
DUB9:00 amDublin
34h 48m
2 stops
PDX11:48 amPortland
United Airlines
Nov 19
PDX5:00 amPortland
18h 30m
2 stops
DUB7:30 amDublin
Nov 26
DUB9:00 amDublin
34h 48m
2 stops
PDX11:48 amPortland
United Airlines
Aug 12
PDX11:20 pmPortland
23h 50m
1 stop
DUB7:10 amDublin
Aug 21
DUB9:20 amDublin
21h 22m
2 stops
PDX10:42 pmPortland

Icelandair flights from Portland to Dublin

Our best Icelandair deals on Portland to Dublin flight tickets
Icelandair
Nov 10
PDX2:45 pmPortland
11h 30m
1 stop
DUB10:15 amDublin
Nov 24
DUB11:30 amDublin
13h 30m
1 stop
PDX5:00 pmPortland
Icelandair
Nov 20
PDX2:45 pmPortland
11h 30m
1 stop
DUB10:15 amDublin
Nov 28
DUB11:30 amDublin
13h 30m
1 stop
PDX5:00 pmPortland
Icelandair
Oct 25
PDX3:20 pmPortland
11h 45m
1 stop
DUB11:05 amDublin
Nov 7
DUB11:30 amDublin
13h 30m
1 stop
PDX5:00 pmPortland

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?

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 $436. 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 $499.

What is the cheapest day to depart on your flight to Dublin?

The cheapest day to depart from Portland to Dublin is on a Tuesday. Travelers who choose to depart for Dublin on a Tuesday will often find tickets for as low as $560. Flights from Portland to Dublin on a Saturday will generally be more expensive and average around $743. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Dublin?

At noon is the cheapest time of day to fly from Portland to Dublin when you can find flight prices for as low as $597. Flying to Dublin at noon is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive with an average ticket price of $696.

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 $599 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 $567 on momondo.

How have Portland to Dublin flight prices changed over time?

As of July 2025, prices for Portland to Dublin flights are approximately 26% 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 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

Best Price Found

$177

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 $177. The best round-trip flight deal from Portland to Dublin found on momondo in the last 72 hours is $348.
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?

    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 $345Free CancellationRating
7.0
514 reviews
Search Icelandair flights
British AirwaysPriceFrom $437Free CancellationRating
6.6
7,096 reviews
Search British Airways flights
IberiaPriceFrom $437Free CancellationRating
7.0
2,818 reviews
Search Iberia flights
KLMPriceFrom $462Free CancellationRating
7.8
1,370 reviews
Search KLM flights
United AirlinesPriceFrom $472Free CancellationRating
7.4
8,844 reviews
Search United Airlines flights
DeltaPriceFrom $482Free CancellationRating
8.0
7,962 reviews
Search Delta flights
American AirlinesPriceFrom $484Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Air CanadaPriceFrom $486Free CancellationRating
7.1
9,680 reviews
Search Air Canada flights
LufthansaPriceFrom $490Free CancellationRating
6.8
7,193 reviews
Search Lufthansa flights
Aer LingusPriceFrom $699Free CancellationRating
7.1
1,151 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
Maynooth
Athlone
Dundalk
Malahide
Mullingar
Leixlip
Naas
Castleknock
Cavan
Kildare
Drogheda
Arklow
Bray
Enniscorthy
Wicklow
Tullamore
Slane
Thurles

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.


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