$224+ Cheap flights from Portland, ME (PWM) to Ireland
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — DUB
Mar 1 — Mar 81
1 adult, Economy
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Find cheap flights from Portland to Ireland with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Portland to Ireland
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Cheapest flights from Portland to IrelandExplore the most affordable flight options available from Portland to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 30, 2026.
Explore the most affordable flight options available from Portland to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 30, 2026.
This KLM deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/292:35 pm
PWM
- DUB
1 stop13h 10m
KLM
Wed 2/115:55 am
DUB
- PWM
2 stops23h 25m
KLM
Deal found 1/28![KLM logo]()
$477
This Delta deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/295:57 pm
PWM
- DUB
2 stops40h 48m
Delta
Wed 2/118:50 am
DUB
- PWM
2 stops20h 30m
Delta
Deal found 1/28![Delta logo]()
$482
This KLM deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/265:31 am
PWM
- DUB
1 stop21h 14m
KLM
Thu 3/51:25 pm
DUB
- PWM
2 stops15h 53m
KLM
Deal found 1/28![KLM logo]()
$484
This Delta deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/265:31 am
PWM
- DUB
2 stops21h 14m
Delta
Thu 3/55:55 am
DUB
- PWM
2 stops23h 23m
Delta
Deal found 1/28![Delta logo]()
$488
This KLM deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/62:35 pm
PWM
- SNN
1 stop15h 35m
KLM
Fri 9/111:05 pm
SNN
- PWM
1 stop15h 54m
KLM
Deal found 1/29![KLM logo]()
$489
This Air France deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/412:10 pm
PWM
- DUB
2 stops17h 40m
Multiple Airlines
Thu 2/128:50 am
DUB
- PWM
2 stops20h 28m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$489
This Delta deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2812:45 pm
PWM
- DUB
2 stops14h 00m
Delta
Sat 3/79:45 am
DUB
- PWM
1 stop18h 21m
Delta
Deal found 1/29![Delta logo]()
$490
This United Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:00 am
PWM
- SNN
2 stops20h 30m
United Airlines
Fri 9/119:30 am
SNN
- PWM
2 stops18h 27m
United Airlines
Deal found 1/29![United Airlines logo]()
$493
This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/14:45 pm
PWM
- SNN
2 stops36h 30m
United Airlines
Tue 5/1212:30 pm
SNN
- PWM
1 stop10h 53m
United Airlines
Deal found 1/28![United Airlines logo]()
$504
This KLM deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/302:35 pm
PWM
- SNN
1 stop15h 35m
KLM
Mon 8/101:05 pm
SNN
- PWM
1 stop15h 54m
KLM
Deal found 1/29![KLM logo]()
$520
This KLM deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/302:35 pm
PWM
- SNN
1 stop15h 35m
Multiple Airlines
Mon 8/101:05 pm
SNN
- PWM
2 stops32h 10m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$530
This American Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/43:58 pm
PWM
- DUB
2 stops15h 17m
American Airlines
Thu 2/1211:30 am
DUB
- PWM
2 stops17h 20m
American Airlines
Deal found 1/29![American Airlines logo]()
$550
Best flights from Portland to IrelandDiscover carefully curated flight deals from Portland to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 30, 2026.
Discover carefully curated flight deals from Portland to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 30, 2026.
This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:50 pm
PWM
- SNN
1 stop9h 25m
United Airlines
Tue 5/1212:30 pm
SNN
- PWM
1 stop10h 53m
United Airlines
Deal found 1/28![United Airlines logo]()
$489
This Delta deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2812:45 pm
PWM
- DUB
2 stops14h 00m
Delta
Sat 3/79:45 am
DUB
- PWM
1 stop18h 21m
Delta
Deal found 1/29![Delta logo]()
$490
This British Airways deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/105:07 pm
PWM
- DUB
2 stops17h 13m
Multiple Airlines
Wed 3/188:50 am
DUB
- PWM
2 stops18h 09m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$555
This Mytrip deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/276:00 am
PWM
- DUB
2 stops20h 10m
Air Canada
Fri 3/69:00 am
DUB
- PWM
2 stops18h 18m
Air Canada
Deal found 1/28![Air Canada logo]()
$600
This American Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2512:29 pm
PWM
- SNN
2 stops18h 01m
American Airlines
Wed 3/42:00 pm
SNN
- PWM
2 stops14h 50m
American Airlines
Deal found 1/28![American Airlines logo]()
$684
This Delta deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/185:23 am
PWM
- DUB
1 stop22h 22m
Delta
Wed 3/2510:45 am
DUB
- PWM
1 stop16h 18m
Delta
Deal found 1/28![Delta logo]()
$566
This United Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:31 pm
PWM
- DUB
1 stop9h 24m
United Airlines
Sun 3/88:00 am
DUB
- PWM
2 stops33h 57m
United Airlines
Deal found 1/29![United Airlines logo]()
$577
This Orbitz deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/76:00 am
PWM
- DUB
2 stops43h 10m
Air Canada
Sun 3/158:00 am
DUB
- PWM
2 stops43h 04m
Air Canada
Deal found 1/29![Air Canada logo]()
$602
This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/273:10 pm
PWM
- DUB
1 stop11h 20m
United Airlines
Fri 3/612:05 pm
DUB
- PWM
1 stop31h 27m
United Airlines
Deal found 1/28![United Airlines logo]()
$610
This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/312:35 pm
PWM
- DUB
1 stop13h 40m
Delta
Wed 6/175:55 am
DUB
- PWM
2 stops23h 04m
Delta
Deal found 1/27![Delta logo]()
$619
This American Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:00 am
PWM
- SNN
2 stops18h 25m
American Airlines
Tue 5/127:30 am
SNN
- PWM
2 stops16h 28m
American Airlines
Deal found 1/28![American Airlines logo]()
$700
This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/312:35 pm
PWM
- DUB
1 stop13h 40m
Delta
Thu 6/118:55 am
DUB
- PWM
2 stops20h 04m
Delta
Deal found 1/27![Delta logo]()
$619
This Air Canada deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/256:00 am
PWM
- SNN
3 stops24h 30m
Air Canada
Wed 3/47:50 am
SNN
- PWM
3 stops20h 30m
Air Canada
Deal found 1/28![Air Canada logo]()
$698
This American Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/225:40 pm
PWM
- SNN
2 stops18h 05m
American Airlines
Fri 2/272:45 pm
SNN
- PWM
2 stops24h 55m
American Airlines
Deal found 1/28![American Airlines logo]()
$706
This Air Canada deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/236:00 am
PWM
- SNN
3 stops24h 30m
Air Canada
Fri 2/277:50 am
SNN
- PWM
3 stops20h 30m
Air Canada
Deal found 1/28![Air Canada logo]()
$698
This United Airlines deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:12 pm
PWM
- SNN
1 stop10h 03m
United Airlines
Sat 4/2512:30 pm
SNN
- PWM
1 stop11h 10m
United Airlines
Deal found 1/30![United Airlines logo]()
$720
Last-minute flights from Portland to IrelandDiscover last-minute flight deals from Portland to Ireland. Data last updated January 30, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Ireland. Data last updated January 30, 2026 and is based on user searches.
This KLM deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/292:35 pm
PWM
- DUB
1 stop13h 10m
KLM
Wed 2/115:55 am
DUB
- PWM
2 stops23h 25m
KLM
Deal found 1/28![KLM logo]()
$477
This Delta deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/295:57 pm
PWM
- DUB
2 stops40h 48m
Delta
Wed 2/118:50 am
DUB
- PWM
2 stops20h 30m
Delta
Deal found 1/28![Delta logo]()
$482
This Air France deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/412:10 pm
PWM
- DUB
2 stops17h 40m
Multiple Airlines
Thu 2/128:50 am
DUB
- PWM
2 stops20h 28m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$489
This American Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/43:58 pm
PWM
- DUB
2 stops15h 17m
American Airlines
Thu 2/1211:30 am
DUB
- PWM
2 stops17h 20m
American Airlines
Deal found 1/29![American Airlines logo]()
$550
This KAYAK deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/411:10 am
PWM
- DUB
1 stop15h 20m
Austrian Airlines
Thu 2/129:30 am
DUB
- PWM
1 stop18h 50m
Austrian Airlines
Deal found 1/29![Austrian Airlines logo]()
$573
This American Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2312:29 pm
PWM
- SNN
2 stops18h 01m
American Airlines
Fri 2/272:45 pm
SNN
- PWM
2 stops24h 55m
American Airlines
Deal found 1/28![American Airlines logo]()
$696
This Air Canada deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/236:00 am
PWM
- SNN
3 stops24h 30m
Air Canada
Fri 2/277:50 am
SNN
- PWM
3 stops20h 30m
Air Canada
Deal found 1/28![Air Canada logo]()
$698
This American Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2512:29 pm
PWM
- SNN
2 stops18h 01m
American Airlines
Wed 3/42:00 pm
SNN
- PWM
2 stops14h 50m
American Airlines
Deal found 1/28![American Airlines logo]()
$684
This KLM deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/265:31 am
PWM
- DUB
1 stop21h 14m
KLM
Thu 3/51:25 pm
DUB
- PWM
2 stops15h 53m
KLM
Deal found 1/28![KLM logo]()
$484
This Delta deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/265:31 am
PWM
- DUB
2 stops21h 14m
Delta
Thu 3/55:55 am
DUB
- PWM
2 stops23h 23m
Delta
Deal found 1/28![Delta logo]()
$488
This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/273:10 pm
PWM
- DUB
1 stop11h 20m
United Airlines
Fri 3/69:00 am
DUB
- PWM
2 stops18h 18m
United Airlines
Deal found 1/28![United Airlines logo]()
$600
This Delta deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2812:45 pm
PWM
- DUB
2 stops14h 00m
Delta
Sat 3/79:45 am
DUB
- PWM
1 stop18h 21m
Delta
Deal found 1/29![Delta logo]()
$490
One-way flights from Portland to IrelandSearch for one-way flight options from Portland to Ireland. Find affordable one-way fares based on user searches. Data last updated January 30, 2026.
Search for one-way flight options from Portland to Ireland. Find affordable one-way fares based on user searches. Data last updated January 30, 2026.
This United Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/107:50 pm
PWM
- DUB
1 stop10h 20m
United Airlines
Deal found 1/29![United Airlines logo]()
$224
This Air Canada deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/107:50 pm
PWM
- DUB
2 stops31h 25m
Air Canada
Deal found 1/30![Air Canada logo]()
$233
This United Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/176:00 am
PWM
- DUB
2 stops23h 40m
United Airlines
Deal found 1/29![United Airlines logo]()
$415
This Gurufare deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1711:08 am
PWM
- SNN
2 stops19h 12m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$421
This KLM deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/162:35 pm
PWM
- DUB
1 stop13h 40m
KLM
Deal found 1/29![KLM logo]()
$422
This Air Canada deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/163:15 pm
PWM
- DUB
2 stops36h 00m
Air Canada
Deal found 1/29![Air Canada logo]()
$424
This United Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/215:20 am
PWM
- DUB
1 stop21h 00m
United Airlines
Deal found 1/29![United Airlines logo]()
$428
This KLM deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/206:50 pm
PWM
- DUB
1 stop32h 55m
KLM
Deal found 1/29![KLM logo]()
$435
This Expedia deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/198:15 pm
PWM
- DUB
2 stops55h 00m
Air Canada
Deal found 1/29![Air Canada logo]()
$436
This United Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/188:15 pm
PWM
- DUB
1 stop9h 55m
United Airlines
Deal found 1/29![United Airlines logo]()
$485
This United Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/196:00 am
PWM
- DUB
2 stops20h 45m
United Airlines
Deal found 1/29![United Airlines logo]()
$489
This Kiwi.com deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/164:44 pm
PWM
- DUB
3 stops37h 46m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$490
Find flight deals from Portland to Ireland
Keep the following information in mind while searching for Portland to Ireland flight deals. Data was last updated January 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $484 (KLM) |
One-way from | $224 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Ireland 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, Cheapflights users made 2,558,603 searches. Data last updated January 30, 2026.
Use the filters below to find and compare flights from Portland to Ireland that are best for you.
Fly from
Portland
Fly to
Ireland
Route
Depart
Return
Price
PortlandShannon
PWM - SNN
PWMSNN
Portland
Fri 5/1
7:50 pm-10:15 am
1 stop9h 25m
Shannon
Tue 5/12
12:30 pm-6:23 pm
1 stop10h 53m
$489
PortlandDublin
PWM - DUB
PWMDUB
Portland
Sat 2/28
12:45 pm-7:45 am
2 stops14h 00m
Dublin
Sat 3/7
9:45 am-11:06 pm
1 stop18h 21m
$490
PortlandDublin
PWM - DUB
PWMDUB
Portland
Tue 3/10
5:07 pm-2:20 pm
2 stops17h 13m
Dublin
Wed 3/18
8:50 am-10:59 pm
2 stops18h 09m
$555
PortlandDublin
PWM - DUB
PWMDUB
Portland
Wed 3/18
5:23 am-7:45 am
1 stop22h 22m
Dublin
Wed 3/25
10:45 am-11:03 pm
1 stop16h 18m
$566
PortlandDublin
PWM - DUB
PWMDUB
Portland
Wed 3/4
7:31 pm-9:55 am
1 stop9h 24m
Dublin
Sun 3/8
8:00 am-1:57 pm
2 stops33h 57m
$577
PortlandDublin
PWM - DUB
PWMDUB
Portland
Fri 2/27
6:00 am-7:10 am
2 stops20h 10m
Dublin
Fri 3/6
9:00 am-10:18 pm
2 stops18h 18m
$600
PortlandDublin
PWM - DUB
PWMDUB
Portland
Sat 3/7
6:00 am-6:10 am
2 stops43h 10m
Dublin
Sun 3/15
8:00 am-11:04 pm
2 stops43h 04m
$602
PortlandDublin
PWM - DUB
PWMDUB
Portland
Fri 2/27
3:10 pm-7:30 am
1 stop11h 20m
Dublin
Fri 3/6
12:05 pm-2:32 pm
1 stop31h 27m
$610
PortlandDublin
PWM - DUB
PWMDUB
Portland
Sun 5/31
2:35 pm-9:15 am
1 stop13h 40m
Dublin
Wed 6/17
5:55 am-11:59 pm
2 stops23h 04m
$619
PortlandDublin
PWM - DUB
PWMDUB
Portland
Sun 5/31
2:35 pm-9:15 am
1 stop13h 40m
Dublin
Thu 6/11
8:55 am-11:59 pm
2 stops20h 04m
$619
Showing 1-10 of 25 results
Best time to book a flight from Portland to Ireland
Have a flexible travel schedule? Discover the best time to fly to Ireland from Portland with our price prediction graph.
PWM-SNN
PWM-DUB
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Portland to Ireland
PWM-IE0
PWM-SNN
PWM-DUB
What is the cheapest month to book a flight from Portland, Maine to Ireland?
Currently, November is the cheapest month in which you can book a flight from Portland, Maine to Ireland (average of $313). Flying from Portland, Maine to Ireland in June is currently the most expensive (average of $422). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Ireland
Get insights into the airlines that provide service to Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ireland. Reviews last updated January 30, 2026.
Read through reviews of airlines operating flights from Portland to Ireland, such as United Airlines and JetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.7
Entertainment
7.1
Crew
8.1
Overall
7.4
Comfort
7.3
Food
6.6
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Boarding
7.7
Entertainment
7.1
Crew
8.1
Overall
7.4
Comfort
7.3
Food
6.6
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Boarding
7.7
Entertainment
7.1
Crew
8.1
Overall
7.4
Comfort
7.3
Food
6.6
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Related info for your journey
Find useful and relevant information for your journey from Portland to Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Portland to Ireland
See prices for flight routes from nearby airports that may be better suited for you.
Top 2 airlines flying from Portland to Ireland
Discover the top 2 airlines that operate flights from Portland to Ireland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$556 | Average$605 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$575 | Average$690 | FlexibilityNo cancel fee | On-time69% |