$490+ 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 21 — Nov 281
Round-trip
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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
Cheapest
Best
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 22, 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 22, 2026.
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 Travelocity deal was found by Cheapflights users on 10/21. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/245:50 am -
2 stops44h 20m
Mon 11/309:00 am -
2 stops40h 42m
Deal found 10/21![Air Canada logo]()
$749
This American Airlines deal was found by Cheapflights users on 10/21. 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.
Tue 11/246:00 am -
1 stop21h 40m
Mon 11/3011:30 am -
1 stop16h 26m
Deal found 10/21![American Airlines logo]()
$758
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/248:47 am -
1 stop18h 23m
Mon 11/309:00 am -
2 stops19h 24m
Deal found 10/21![United Airlines logo]()
$764
This United Airlines deal was found by Cheapflights users on 10/19. 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 12/33:20 pm -
1 stop11h 10m
Thu 12/101:35 pm -
1 stop12h 37m
Deal found 10/19![United Airlines logo]()
$779
This KLM deal was found by Cheapflights users on 10/21. 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 12/54:00 pm -
1 stop11h 45m
Sat 12/128:50 am -
2 stops20h 31m
Deal found 10/21![KLM logo]()
$826
This Air France deal was found by Cheapflights users on 10/21. 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.
Sat 12/54:53 pm -
2 stops16h 17m
Sat 12/128:50 am -
2 stops20h 31m
Deal found 10/21![Multiple Airlines logo]()
$830
This Ovago deal was found by Cheapflights users on 10/20. 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.
Fri 12/46:00 am -
2 stops24h 30m
Fri 12/112:00 pm -
2 stops14h 49m
Deal found 10/20![British Airways logo]()
$1,006
This Air Canada deal was found by Cheapflights users on 10/20. 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.
Fri 12/43:20 pm -
3 stops19h 25m
Fri 12/117:50 am -
3 stops20h 34m
Deal found 10/20![Air Canada logo]()
$1,035
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 22, 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 22, 2026.
This United Airlines deal was found by Cheapflights users on 10/18. 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 10/18![United Airlines logo]()
$695
This Air Canada deal was found by Cheapflights users on 10/20. 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.
Fri 12/43:20 pm -
3 stops19h 25m
Fri 12/117:50 am -
3 stops20h 34m
Deal found 10/20![Air Canada logo]()
$1,035
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 United Airlines deal was found by Cheapflights users on 10/21. 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 11/248:47 am -
1 stop18h 23m
Mon 11/309:00 am -
2 stops19h 24m
Deal found 10/21![United Airlines logo]()
$764
Last-minute flights from Portland to IrelandDiscover last-minute flight deals from Portland to Ireland. Data last updated October 22, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Ireland. Data last updated October 22, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/79:46 am -
1 stop19h 34m
Sat 11/149:00 am -
2 stops41h 51m
Deal found 10/19![United Airlines logo]()
$853
This Justfly.com deal was found by Cheapflights users on 10/19. 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.
Sat 11/78:49 am -
2 stops17h 21m
Sat 11/149:00 am -
2 stops43h 21m
Deal found 10/19![Air Canada logo]()
$861
This Air Canada deal was found by Cheapflights users on 10/19. 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.
Sat 11/78:45 am -
2 stops17h 25m
Sat 11/1412:05 pm -
3 stops25h 55m
Deal found 10/19![Multiple Airlines logo]()
$1,142
This Travelocity deal was found by Cheapflights users on 10/21. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/245:50 am -
2 stops44h 20m
Mon 11/309:00 am -
2 stops40h 42m
Deal found 10/21![Air Canada logo]()
$749
This American Airlines deal was found by Cheapflights users on 10/21. 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.
Tue 11/246:00 am -
1 stop21h 40m
Mon 11/3011:30 am -
1 stop16h 26m
Deal found 10/21![American Airlines logo]()
$758
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/248:47 am -
1 stop18h 23m
Mon 11/309:00 am -
2 stops19h 24m
Deal found 10/21![United Airlines logo]()
$764
This Air Canada deal was found by Cheapflights users on 10/21. 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 11/245:08 pm -
2 stops33h 02m
Mon 11/3012:05 pm -
3 stops25h 58m
Deal found 10/21![Multiple Airlines logo]()
$1,936
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 22, 2026.
Search for one-way flight options from Portland to Ireland. Find affordable one-way fares based on user searches. Data last updated October 22, 2026.
This KAYAK deal was found by Cheapflights users on 10/21. 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 1/117:30 am -
1 stop16h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Aer Lingus logo]()
$490
This United Airlines deal was found by Cheapflights users on 10/19. 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 10/19![United Airlines logo]()
$533
This Air Canada deal was found by Cheapflights users on 10/21. 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 10/21![Air Canada logo]()
$653
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 22, 2026.
Round-trip from | $695 (United Airlines) |
|---|---|
One-way from | $490 (KAYAK) |
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 22, 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
7:30 am-5:15 am
1 stop16h 45m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$490
Quickest round-trip
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
Mon 1/11
3:14 pm-3:40 pm
3 stops19h 26m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$653
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
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Tue 11/24
8:47 am-8:10 am
1 stop18h 23m
Dublin
Mon 11/30
9:00 am-11:24 pm
2 stops19h 24m
$764
PortlandShannon
PWM Portland - SNN Shannon
PWMSNN
Portland
Fri 12/4
3:20 pm-3:45 pm
3 stops19h 25m
Shannon
Fri 12/11
7:50 am-11:24 pm
3 stops20h 34m
$1,035
Sorted 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 22, 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.
Overall
7.3
Food
6.7
Comfort
7.3
Crew
8.1
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Overall
7.3
Food
6.7
Comfort
7.3
Crew
8.1
Boarding
7.7
Entertainment
7.1
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 22, 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 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$534 | Average$917 | FlexibilityNo cancel fee | On-time69% |