$325 Find Cheap Flights from Portland to Ireland

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Portland to Ireland departing on 5/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap Flights from Portland to Ireland

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Dublin
Dublin1 stop$565
Shannon
Shannon2 stops$524
Dublin
Dublin1 stop$565
Shannon
Shannon2 stops$524

Book Cheap Portland to Ireland Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Portland to Ireland that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Portland to Ireland

Wed, Apr 15 - Sat, Apr 25
United Airlines Logo
2:12 pm - 10:15 am
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SNN
15h 03m
2 stops
United Airlines Logo
12:30 pm - 9:40 pm
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PWM
38h 10m
2 stops
$524United Airlines
Fri, May 1 - Tue, May 12
United Airlines Logo
7:50 pm - 10:15 am
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SNN
9h 25m
1 stop
United Airlines Logo
12:30 pm - 6:23 pm
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PWM
10h 53m
1 stop
$558United Airlines
Sat, May 23 - Tue, May 26
JetBlue Logo
2:19 pm - 9:00 am
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DUB
13h 41m
1 stop
JetBlue Logo
11:40 am - 1:24 pm
DUB
-
PWM
30h 44m
1 stop
$565JetBlue
Tue, Aug 25 - Wed, Aug 26
United Airlines Logo
12:00 pm - 7:30 am
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SNN
14h 30m
1 stop
United Airlines Logo
12:30 pm - 6:54 pm
SNN
-
PWM
11h 24m
1 stop
$569United Airlines
Fri, May 15 - Sun, May 24
United Airlines Logo
7:50 pm - 10:15 am
PWM
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SNN
9h 25m
1 stop
United Airlines Logo
9:30 am - 5:44 pm
SNN
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PWM
13h 14m
1 stop
$570United Airlines
Tue, Mar 31 - Thu, Apr 16
American Airlines Logo
6:29 pm - 2:35 pm
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DUB
15h 06m
2 stops
American Airlines Logo
12:40 pm - 11:27 pm
DUB
-
PWM
15h 47m
1 stop
$571American Airlines
Tue, Aug 25 - Wed, Aug 26
United Airlines Logo
5:15 am - 7:30 am
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SNN
21h 15m
2 stops
United Airlines Logo
9:30 am - 5:44 pm
SNN
-
PWM
13h 14m
1 stop
$574United Airlines
Tue, Mar 31 - Thu, Apr 16
American Airlines Logo
6:29 pm - 2:35 pm
PWM
-
DUB
15h 06m
2 stops
American Airlines Logo
12:40 pm - 11:27 pm
DUB
-
PWM
15h 47m
2 stops
$575American Airlines
Tue, Mar 31 - Tue, Apr 7
Multiple Airlines Logo
5:07 pm - 2:35 pm
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DUB
16h 28m
2 stops
Multiple Airlines Logo
10:30 am - 11:27 pm
DUB
-
PWM
17h 57m
2 stops
$580Multiple Airlines
Wed, Mar 18 - Wed, Mar 25
Multiple Airlines Logo
12:44 pm - 9:40 am
PWM
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DUB
16h 56m
2 stops
Multiple Airlines Logo
8:50 am - 11:55 pm
DUB
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PWM
19h 05m
2 stops
$620Multiple Airlines
Booking Insights

KAYAK's insights & trends for Portland to Ireland flights

Get data-powered insights and trends into flights from Portland to Ireland to help you find the cheapest flights, the best time to fly and much more.

How long does a flight from Portland to Ireland take?

The duration of a flight to Ireland depends on your arrival airport. The shortest routes to Ireland from Portland are to Shannon, which takes 9h 25m, and Dublin, which takes 10h 24m.

Good to know

Cheapest flight$325
Flight from Portland to Dublin

FAQs - booking Ireland flights

  • How does KAYAK find such low prices on flights from Portland to Ireland?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Portland to Ireland.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Portland to Ireland?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Portland to Ireland is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Portland to Ireland?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Portland to Ireland with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portland to Ireland?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Portland to Ireland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from Portland to Ireland

 
Need help choosing which airline to fly with from Portland to Ireland? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 9403 reviews
7.7Boarding
7.1Entertainment
6.6Food
7.3Comfort
8.1Crew
Airline reviews

Seats are uncomfortable. This has been a trend in the industry for decades. Trying to fit more seats on each plane to increase profits at the expense of the passenger.

6.0 GoodAnonymous, Mar 2026
SFO - DEN
Read more United Airlines reviews

Seats are uncomfortable. This has been a trend in the industry for decades. Trying to fit more seats on each plane to increase profits at the expense of the passenger.

The flight was delayed so we were dead tired, and after that the turbulence was horrible. I was very scared.

It’s always a great time flying with united airlines.

Good flight. Efficient boarding and competent flight crew. No problems until we arrived at our destination gate. We were early so there was an aircraft at the gate that had to move before we could pull in. Then, due to the type of aircraft we flew, the cabin door could not be opened until some luggage from the cargo bay was offloaded to preserve center of gravity characteristics. So, that further delayed deplaning. Despite being 20 minutes early on landing, we ended up being 5 to 10 minutes late after all the delays.

Everything went well except the turbulence what no one have a control of but pilot and crew handled very good!

There was no WiFi available, there were mechanical problems with the plane and we landed at C 124, then the gate was switched to A 26, then all the way back to C126! For a 75 yo woman traveling alone, this was a difficult journey, indeed!

This trip did not start off well. The inbound flight was delayed about 20 minutes. Then, after initial onboarding, the passengers had to deplane due to a mechanical problem. That took about 30 minutes to fix and be cleared. Then, reboarding was chaotic. It took a long time to sort passengers and two passengers on standby were ticketed but there was no seat. So, they had to deplane. One of the flight crew was trying to help passengers figure out a place to put their carry-on bags and that took more time. In the end, our scheduled 10:30 am departure did not actually take off until about 12:05 pm CST. The flight itself was long but we got to Houston. Some passengers missed their connecting flights and had to rebook. Not the best of flights I've had.

Staff were good. My seat was in need of repair, but for a short flight was not problematic. Usual basic snack and drink setup that you'll find on any US carrier. Over, a decent, basic flight.

Complimentary light meal would be appreciated. But great flight crew service on all legs

Terrible because it was cancelled due to volcanic ash clouds in Guatemala while all other airlines kept flying. Had to pay for a hotel to stay overnight in Houston and try to fly next day.

Everything you need to know for your flight from Portland to Ireland

Information on your arrival and departure airports