$370+ 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 7/19. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — DUB
Jun 11 — Jun 181
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Ireland with Cheapflights
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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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Last-minute
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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 May 12, 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 May 12, 2026.
This KLM deal was found by Cheapflights users on 5/11. 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 11/1010:00 am
PWM
- DUB
1 stop17h 45m
KLM
Tue 11/245:45 am
DUB
- PWM
2 stops23h 04m
KLM
Deal found 5/11![KLM logo]()
$705
This Air France deal was found by Cheapflights users on 5/12. 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.
Tue 11/102:35 pm
PWM
- DUB
2 stops14h 10m
Multiple Airlines
Tue 11/248:50 am
DUB
- PWM
2 stops19h 59m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$710
This Delta deal was found by Cheapflights users on 5/12. 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 8/84:47 pm
PWM
- DUB
1 stop12h 13m
Delta
Mon 8/245:55 am
DUB
- PWM
2 stops22h 35m
Delta
Deal found 5/12![Delta logo]()
$711
This Delta deal was found by Cheapflights users on 5/12. 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 8/66:05 am
PWM
- DUB
1 stop21h 40m
Delta
Fri 8/211:15 pm
DUB
- PWM
1 stop16h 44m
Delta
Deal found 5/12![Delta logo]()
$713
This KLM deal was found by Cheapflights users on 5/10. 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.
Mon 11/236:00 am
PWM
- DUB
1 stop20h 45m
KLM
Fri 11/275:45 am
DUB
- PWM
2 stops23h 04m
KLM
Deal found 5/10![KLM logo]()
$714
This Delta deal was found by Cheapflights users on 5/12. 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 8/86:00 am
PWM
- DUB
2 stops21h 15m
Delta
Sat 8/225:55 am
DUB
- PWM
2 stops24h 04m
Delta
Deal found 5/12![Delta logo]()
$715
This Delta deal was found by Cheapflights users on 5/12. 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.
Fri 8/72:53 pm
PWM
- DUB
2 stops19h 32m
Delta
Wed 8/191:25 pm
DUB
- PWM
2 stops16h 34m
Delta
Deal found 5/12![Delta logo]()
$716
This Delta deal was found by Cheapflights users on 5/12. 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 8/56:00 am
PWM
- DUB
2 stops23h 00m
Delta
Sun 8/2311:00 am
DUB
- PWM
1 stop17h 20m
Delta
Deal found 5/12![Delta logo]()
$718
This KLM deal was found by Cheapflights users on 5/9. 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.
Wed 9/92:35 pm
PWM
- SNN
1 stop15h 35m
KLM
Thu 9/171:05 pm
SNN
- PWM
1 stop15h 54m
KLM
Deal found 5/9![KLM logo]()
$719
This Air France deal was found by Cheapflights users on 5/10. 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.
Mon 11/234:50 pm
PWM
- DUB
2 stops17h 55m
Multiple Airlines
Fri 11/275:45 am
DUB
- PWM
2 stops23h 04m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$719
This KLM deal was found by Cheapflights users on 5/9. 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.
Wed 9/912:50 pm
PWM
- SNN
2 stops17h 20m
Multiple Airlines
Thu 9/171:05 pm
SNN
- PWM
1 stop15h 54m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$724
This Delta deal was found by Cheapflights users on 5/9. 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 9/912:50 pm
PWM
- SNN
2 stops17h 20m
Delta
Thu 9/171:05 pm
SNN
- PWM
2 stops27h 50m
Delta
Deal found 5/9![Delta logo]()
$735
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 May 12, 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 May 12, 2026.
This KLM deal was found by Cheapflights users on 5/8. 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.
Wed 11/411:30 am
PWM
- DUB
1 stop15h 25m
KLM
Sun 11/85:45 am
DUB
- PWM
2 stops23h 04m
KLM
Deal found 5/8![KLM logo]()
$705
This Delta deal was found by Cheapflights users on 5/12. 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 8/84:47 pm
PWM
- DUB
1 stop12h 13m
Delta
Wed 8/191:15 pm
DUB
- PWM
1 stop16h 44m
Delta
Deal found 5/12![Delta logo]()
$713
This KLM deal was found by Cheapflights users on 5/9. 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.
Wed 9/912:50 pm
PWM
- SNN
2 stops17h 20m
Multiple Airlines
Thu 9/171:05 pm
SNN
- PWM
1 stop15h 54m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$724
This United Airlines deal was found by Cheapflights users on 5/10. 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 7/306:00 am
PWM
- SNN
1 stop20h 30m
United Airlines
Mon 8/1012:30 pm
SNN
- PWM
1 stop16h 00m
United Airlines
Deal found 5/10![United Airlines logo]()
$835
This Delta deal was found by Cheapflights users on 5/12. 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.
Mon 8/102:53 pm
PWM
- DUB
1 stop13h 22m
Delta
Tue 8/2511:00 am
DUB
- PWM
1 stop17h 20m
Delta
Deal found 5/12![Delta logo]()
$713
This KLM deal was found by Cheapflights users on 5/9. 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.
Wed 9/92:35 pm
PWM
- SNN
1 stop15h 35m
KLM
Thu 9/171:05 pm
SNN
- PWM
1 stop15h 54m
KLM
Deal found 5/9![KLM logo]()
$719
This Delta deal was found by Cheapflights users on 5/12. 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.
Mon 8/106:00 am
PWM
- DUB
2 stops23h 00m
Delta
Wed 8/198:55 am
DUB
- PWM
2 stops21h 04m
Delta
Deal found 5/12![Delta logo]()
$715
This KLM deal was found by Cheapflights users on 5/11. 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.
Mon 8/32:53 pm
PWM
- DUB
1 stop13h 22m
KLM
Sun 8/95:55 am
DUB
- PWM
2 stops24h 04m
KLM
Deal found 5/11![KLM logo]()
$803
This Delta deal was found by Cheapflights users on 5/9. 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 9/912:50 pm
PWM
- SNN
2 stops17h 20m
Delta
Thu 9/171:05 pm
SNN
- PWM
2 stops27h 50m
Delta
Deal found 5/9![Delta logo]()
$735
This United Airlines deal was found by Cheapflights users on 5/11. 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.
Tue 6/98:15 pm
PWM
- SNN
2 stops30h 15m
United Airlines
Mon 6/1512:30 pm
SNN
- PWM
1 stop16h 00m
United Airlines
Deal found 5/11![United Airlines logo]()
$952
This Delta deal was found by Cheapflights users on 5/9. 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 9/56:00 am
PWM
- DUB
2 stops23h 00m
Delta
Tue 9/81:15 pm
DUB
- PWM
1 stop15h 44m
Delta
Deal found 5/9![Delta logo]()
$753
This KLM deal was found by Cheapflights users on 5/10. 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.
Mon 6/86:00 am
PWM
- DUB
1 stop21h 45m
KLM
Sun 6/148:55 am
DUB
- PWM
2 stops20h 57m
KLM
Deal found 5/10![KLM logo]()
$907
This United Airlines deal was found by Cheapflights users on 5/9. 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 6/246:00 am
PWM
- SNN
1 stop20h 30m
United Airlines
Wed 7/19:30 am
SNN
- PWM
2 stops19h 21m
United Airlines
Deal found 5/9![United Airlines logo]()
$1,064
This KLM deal was found by Cheapflights users on 5/9. 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.
Wed 6/1712:40 pm
PWM
- DUB
1 stop16h 20m
KLM
Mon 6/2211:10 am
DUB
- PWM
2 stops18h 42m
KLM
Deal found 5/9![KLM logo]()
$918
This Delta deal was found by Cheapflights users on 5/10. 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.
Mon 6/86:00 am
PWM
- DUB
2 stops20h 55m
Delta
Sun 6/145:55 am
DUB
- PWM
2 stops23h 57m
Delta
Deal found 5/10![Delta logo]()
$912
Last-minute flights from Portland to IrelandDiscover last-minute flight deals from Portland to Ireland. Data last updated May 12, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Ireland. Data last updated May 12, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/9. 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 5/204:48 pm
PWM
- DUB
1 stop11h 27m
Delta
Mon 5/255:55 am
DUB
- PWM
2 stops23h 48m
Delta
Deal found 5/9![Delta logo]()
$834
This Orbitz deal was found by Cheapflights users on 5/10. 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.
Sun 6/76:00 am
PWM
- DUB
1 stop22h 00m
JetBlue
Sun 6/1411:30 am
DUB
- PWM
1 stop17h 55m
JetBlue
Deal found 5/10![JetBlue logo]()
$856
This KLM deal was found by Cheapflights users on 5/10. 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 6/76:00 am
PWM
- DUB
1 stop21h 45m
KLM
Sun 6/145:55 am
DUB
- PWM
2 stops23h 57m
KLM
Deal found 5/10![KLM logo]()
$907
This Delta deal was found by Cheapflights users on 5/10. 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 6/711:48 am
PWM
- DUB
2 stops17h 12m
Delta
Sun 6/148:55 am
DUB
- PWM
2 stops20h 57m
Delta
Deal found 5/10![Delta logo]()
$912
This Cheapflightsfares deal was found by Cheapflights users on 5/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/82:37 pm
PWM
- DUB
1 stop13h 23m
JetBlue
Sun 6/1411:30 am
DUB
- PWM
1 stop17h 55m
JetBlue
Deal found 5/10![JetBlue logo]()
$851
This United Airlines deal was found by Cheapflights users on 5/11. 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.
Tue 6/96:00 am
PWM
- SNN
1 stop20h 30m
United Airlines
Mon 6/159:30 am
SNN
- PWM
1 stop17h 21m
United Airlines
Deal found 5/11![United Airlines logo]()
$947
This Air Canada deal was found by Cheapflights users on 5/11. 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 6/910:48 am
PWM
- SNN
3 stops19h 32m
Air Canada
Mon 6/157:30 am
SNN
- PWM
3 stops21h 00m
Air Canada
Deal found 5/11![Air Canada logo]()
$2,046
This Justfly.com deal was found by Cheapflights users on 5/10. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/172:30 pm
PWM
- DUB
1 stop13h 30m
JetBlue
Mon 6/2211:30 am
DUB
- PWM
1 stop30h 00m
JetBlue
Deal found 5/10![JetBlue logo]()
$901
This KLM deal was found by Cheapflights users on 5/11. 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.
Wed 6/1711:48 am
PWM
- DUB
1 stop15h 07m
KLM
Mon 6/228:55 am
DUB
- PWM
2 stops20h 57m
KLM
Deal found 5/11![KLM logo]()
$918
This Delta deal was found by Cheapflights users on 5/11. 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 6/1712:40 pm
PWM
- DUB
2 stops14h 15m
Delta
Mon 6/228:55 am
DUB
- PWM
2 stops19h 10m
Delta
Deal found 5/11![Delta logo]()
$922
This oojo deal was found by Cheapflights users on 5/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1711:02 am
PWM
- DUB
2 stops13h 08m
Multiple Airlines
Mon 6/221:20 pm
DUB
- PWM
2 stops15h 09m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$931
This United Airlines deal was found by Cheapflights users on 5/9. 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 6/248:16 pm
PWM
- SNN
1 stop8h 59m
United Airlines
Wed 7/19:30 am
SNN
- PWM
1 stop17h 11m
United Airlines
Deal found 5/9![United Airlines logo]()
$1,059
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 May 12, 2026.
Search for one-way flight options from Portland to Ireland. Find affordable one-way fares based on user searches. Data last updated May 12, 2026.
This Justfly.com deal was found by Cheapflights users on 5/11. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/196:00 am
PWM
- DUB
1 stop22h 00m
JetBlue
Deal found 5/11![JetBlue logo]()
$370
This Delta deal was found by Cheapflights users on 5/10. 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 7/196:00 am
PWM
- DUB
2 stops20h 55m
Delta
Deal found 5/10![Delta logo]()
$613
This United Airlines deal was found by Cheapflights users on 5/11. 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 7/195:15 am
PWM
- DUB
2 stops21h 15m
United Airlines
Deal found 5/11![United Airlines logo]()
$648
This Air Canada deal was found by Cheapflights users on 5/11. 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 7/1910:55 am
PWM
- DUB
3 stops16h 20m
Air Canada
Deal found 5/11![Air Canada logo]()
$1,130
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 May 12, 2026.
Round-trip from | $705 (KLM) |
|---|---|
One-way from | $370 (Justfly.com) |
Popular in | January |
Cheapest in | February |
Average price | $681 |
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 May 12, 2026.
Use the filters below to find and compare flights from Portland to Ireland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandDublin
PWM - DUB
PWMDUB
Portland
Wed 11/4
11:30 am-7:55 am
1 stop15h 25m
Dublin
Sun 11/8
5:45 am-11:49 pm
2 stops23h 04m
$705
Quickest round-trip
PortlandDublin
PWM - DUB
PWMDUB
Portland
Sat 8/8
4:47 pm-10:00 am
1 stop12h 13m
Dublin
Wed 8/19
1:15 pm-12:59 am
1 stop16h 44m
$713
PortlandDublin
PWM - DUB
PWMDUB
Portland
Mon 8/10
2:53 pm-9:15 am
1 stop13h 22m
Dublin
Tue 8/25
11:00 am-11:20 pm
1 stop17h 20m
$713
PortlandDublin
PWM - DUB
PWMDUB
Portland
Mon 8/10
6:00 am-10:00 am
2 stops23h 00m
Dublin
Wed 8/19
8:55 am-12:59 am
2 stops21h 04m
$715
PortlandShannon
PWM - SNN
PWMSNN
Portland
Wed 9/9
2:35 pm-11:10 am
1 stop15h 35m
Shannon
Thu 9/17
1:05 pm-11:59 pm
1 stop15h 54m
$719
PortlandShannon
PWM - SNN
PWMSNN
Portland
Wed 9/9
12:50 pm-11:10 am
2 stops17h 20m
Shannon
Thu 9/17
1:05 pm-11:59 pm
1 stop15h 54m
$724
PortlandShannon
PWM - SNN
PWMSNN
Portland
Wed 9/9
12:50 pm-11:10 am
2 stops17h 20m
Shannon
Thu 9/17
1:05 pm-11:55 am
2 stops27h 50m
$735
PortlandDublin
PWM - DUB
PWMDUB
Portland
Sat 9/5
6:00 am-10:00 am
2 stops23h 00m
Dublin
Tue 9/8
1:15 pm-11:59 pm
1 stop15h 44m
$753
PortlandDublin
PWM - DUB
PWMDUB
Portland
Mon 8/3
2:53 pm-9:15 am
1 stop13h 22m
Dublin
Sun 8/9
5:55 am-12:59 am
2 stops24h 04m
$803
PortlandShannon
PWM - SNN
PWMSNN
Portland
Thu 7/30
6:00 am-7:30 am
1 stop20h 30m
Shannon
Mon 8/10
12:30 pm-11:30 pm
1 stop16h 00m
$835
Showing 1-10 of 19 resultsSorted by cheapest first
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.
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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
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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 May 12, 2026.
Read through reviews of airlines operating flights from Portland to Ireland, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.7
Crew
8.1
Comfort
7.3
Overall
7.4
Entertainment
7.1
Food
6.6
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Boarding
7.7
Crew
8.1
Comfort
7.3
Overall
7.4
Entertainment
7.1
Food
6.6
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
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.
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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.
Complete your trip
Complete your trip to Ireland by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Portland to Ireland by cabin class
Find flights from Portland to Ireland, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and Ireland flights
Browse other Portland and Ireland flight options. Last updated on May 12, 2026.
Popular flight searches
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Portland to Ireland flights
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Fly to Ireland regions
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Top airline flying from Portland to Ireland
Discover the top airline 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 May 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$606 | Average$883 | FlexibilityNo cancel fee | On-time69% |