$322+ Cheap flights from Portland, ME (PWM) to Ireland
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — DUB
Nov 17 — Nov 241
Round-trip
1 adult, Economy
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Last-minute
One-way
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 October 18, 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 October 18, 2026.
This KLM deal was found by Cheapflights users on 10/16. 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 11/232:05 pm -
1 stop12h 40m
Tue 12/88:50 am -
2 stops20h 31m
Deal found 10/16![KLM logo]()
$726
This United Airlines deal was found by Cheapflights users on 10/17. 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 12/12:15 pm -
2 stops14h 40m
Tue 12/810:40 am -
2 stops15h 02m
Deal found 10/17![United Airlines logo]()
$734
This United Airlines deal was found by Cheapflights users on 10/17. 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.
Sat 11/75:08 pm -
2 stops33h 22m
Thu 11/199:00 am -
2 stops41h 52m
Deal found 10/17![United Airlines logo]()
$757
This United Airlines deal was found by Cheapflights users on 10/16. 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.
Mon 11/307:35 pm -
1 stop9h 45m
Mon 12/71:35 pm -
1 stop10h 50m
Deal found 10/16![United Airlines logo]()
$779
This Ovago deal was found by Cheapflights users on 10/13. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/213:41 pm -
1 stop10h 49m
Mon 11/3012:05 pm -
1 stop16h 47m
Deal found 10/13![Lufthansa logo]()
$824
This United Airlines deal was found by Cheapflights users on 10/15. 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 10/307:30 pm -
1 stop10h 50m
Thu 11/59:00 am -
2 stops14h 49m
Deal found 10/15![United Airlines logo]()
$826
This Ovago deal was found by Cheapflights users on 10/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3010:27 am -
2 stops20h 03m
Mon 12/78:05 pm -
2 stops27h 09m
Deal found 10/16![Multiple Airlines logo]()
$964
This Ovago deal was found by Cheapflights users on 10/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:47 pm -
2 stops40h 58m
Fri 11/132:00 pm -
2 stops24h 34m
Deal found 10/16![British Airways logo]()
$1,112
This Expedia deal was found by Cheapflights users on 10/16. 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.
Sun 11/16:30 am -
2 stops42h 20m
Fri 11/132:40 pm -
1 stop14h 03m
Deal found 10/16![Multiple Airlines logo]()
$1,475
This Air Canada deal was found by Cheapflights users on 10/16. 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 11/3010:50 am -
3 stops19h 40m
Mon 12/77:50 am -
3 stops30h 15m
Deal found 10/16![Air Canada logo]()
$1,909
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 October 18, 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 October 18, 2026.
This United Airlines deal was found by Cheapflights users on 10/15. 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 1/174:25 pm -
1 stop34h 45m
Thu 1/219:00 am -
2 stops58h 51m
Deal found 10/15![United Airlines logo]()
$695
This Ovago deal was found by Cheapflights users on 10/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3010:27 am -
2 stops20h 03m
Mon 12/78:05 pm -
2 stops27h 09m
Deal found 10/16![Multiple Airlines logo]()
$964
This Ovago deal was found by Cheapflights users on 10/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:47 pm -
2 stops40h 58m
Fri 11/132:00 pm -
2 stops24h 34m
Deal found 10/16![British Airways logo]()
$1,112
This United Airlines deal was found by Cheapflights users on 10/17. 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 12/12:15 pm -
1 stop15h 05m
Tue 12/89:30 am -
1 stop18h 54m
Deal found 10/17![United Airlines logo]()
$729
This Expedia deal was found by Cheapflights users on 10/16. 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.
Sun 11/16:30 am -
2 stops42h 20m
Fri 11/132:40 pm -
1 stop14h 03m
Deal found 10/16![Multiple Airlines logo]()
$1,475
Last-minute flights from Portland to IrelandDiscover last-minute flight deals from Portland to Ireland. Data last updated October 18, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Ireland. Data last updated October 18, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/15. 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 10/307:30 pm -
1 stop10h 50m
Thu 11/59:00 am -
2 stops14h 49m
Deal found 10/15![United Airlines logo]()
$826
This Ovago deal was found by Cheapflights users on 10/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:47 pm -
2 stops40h 58m
Fri 11/132:00 pm -
2 stops24h 34m
Deal found 10/16![British Airways logo]()
$1,112
This Expedia deal was found by Cheapflights users on 10/16. 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.
Sun 11/16:30 am -
2 stops42h 20m
Fri 11/132:40 pm -
1 stop14h 03m
Deal found 10/16![Multiple Airlines logo]()
$1,475
This United Airlines deal was found by Cheapflights users on 10/17. 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.
Sat 11/75:08 pm -
2 stops33h 22m
Thu 11/199:00 am -
2 stops41h 52m
Deal found 10/17![United Airlines logo]()
$757
This Ovago deal was found by Cheapflights users on 10/13. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/213:41 pm -
1 stop10h 49m
Mon 11/3012:05 pm -
1 stop16h 47m
Deal found 10/13![Lufthansa logo]()
$824
This KLM deal was found by Cheapflights users on 10/16. 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 11/232:05 pm -
1 stop12h 40m
Tue 12/88:50 am -
2 stops20h 31m
Deal found 10/16![KLM logo]()
$726
This United Airlines deal was found by Cheapflights users on 10/16. 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.
Mon 11/307:35 pm -
1 stop9h 45m
Mon 12/71:35 pm -
1 stop10h 50m
Deal found 10/16![United Airlines logo]()
$779
This Ovago deal was found by Cheapflights users on 10/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3010:27 am -
2 stops20h 03m
Mon 12/78:05 pm -
2 stops27h 09m
Deal found 10/16![Multiple Airlines logo]()
$964
This Air Canada deal was found by Cheapflights users on 10/16. 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 11/3010:50 am -
3 stops19h 40m
Mon 12/77:50 am -
3 stops30h 15m
Deal found 10/16![Air Canada logo]()
$1,909
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 October 18, 2026.
Search for one-way flight options from Portland to Ireland. Find affordable one-way fares based on user searches. Data last updated October 18, 2026.
This British Airways deal was found by Cheapflights users on 10/13. 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.
Mon 1/117:00 am -
2 stops21h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Multiple Airlines logo]()
$322
This Air France deal was found by Cheapflights users on 10/13. 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 1/112:35 pm -
1 stop13h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Air France logo]()
$329
This Air Canada deal was found by Cheapflights users on 10/13. 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 1/113:14 pm -
3 stops19h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Air Canada logo]()
$449
This KAYAK deal was found by Cheapflights users on 10/16. 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.
Mon 1/119:10 am -
1 stop15h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Aer Lingus logo]()
$490
This Air France deal was found by Cheapflights users on 10/16. 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 12/112:49 pm -
2 stops15h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Air France logo]()
$529
This United Airlines deal was found by Cheapflights users on 10/16. 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.
Mon 1/119:40 am -
2 stops16h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![United Airlines logo]()
$533
This Air Canada deal was found by Cheapflights users on 10/16. 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 12/13:20 pm -
3 stops19h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Air Canada logo]()
$649
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 October 18, 2026.
Round-trip from | $695 (United Airlines) |
|---|---|
One-way from | $322 (British Airways) |
Popular in | January |
Cheapest in | February |
Average price | $778 |
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 7,457,451 searches. Data last updated October 18, 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 Portland - DUB Dublin
PWMDUB
Portland
Mon 1/11
7:00 am-9:55 am
2 stops21h 55m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$322
Quickest round-trip
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Mon 1/11
2:35 pm-8:45 am
1 stop13h 10m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$329
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Mon 1/11
3:14 pm-3:40 pm
3 stops19h 26m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$449
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Mon 1/11
9:10 am-5:15 am
1 stop15h 05m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$490
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Tue 12/1
12:49 pm-9:45 am
2 stops15h 56m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$529
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Mon 1/11
12:50 pm-8:45 am
2 stops14h 55m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$533
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Mon 1/11
9:40 am-7:30 am
2 stops16h 50m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$533
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Sun 1/17
4:25 pm-8:10 am
1 stop34h 45m
Dublin
Thu 1/21
9:00 am-2:51 pm
2 stops58h 51m
$695
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Tue 12/1
2:15 pm-10:20 am
1 stop15h 05m
Dublin
Tue 12/8
9:30 am-11:24 pm
1 stop18h 54m
$729
PortlandShannon
PWM Portland - SNN Shannon
PWMSNN
Portland
Mon 11/30
10:27 am-11:30 am
2 stops20h 03m
Shannon
Mon 12/7
8:05 pm-6:14 pm
2 stops27h 09m
$964
Showing 1-10 of 12 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.
PWM-DUB
PWM-SNN
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-DUB
PWM-SNN
No data available for this route at this time. Please check back soon.
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 October 18, 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
Entertainment
7.1
Food
6.7
Overall
7.4
Comfort
7.3
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Boarding
7.7
Entertainment
7.1
Food
6.7
Overall
7.4
Comfort
7.3
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
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 October 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Portland to Ireland flights
Consider these flights traveling from Portland to Ireland.
Fly to Ireland regions
Consider these flights traveling to Ireland regions.
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 7,457,451 searches. Data last updated October 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$534 | Average$917 | FlexibilityNo cancel fee | On-time69% |