$485+ 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
Dec 9 — Dec 161
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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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 November 9, 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 November 9, 2026.
This Delta deal was found by Cheapflights users on 11/6. 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 12/96:00 am -
1 stop20h 45m
Wed 12/165:45 am -
2 stops23h 36m
Deal found 11/6![Delta logo]()
$736
This United Airlines deal was found by Cheapflights users on 11/6. 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 12/93:20 pm -
1 stop13h 35m
Wed 12/169:30 am -
1 stop18h 54m
Deal found 11/6![United Airlines logo]()
$739
This United Airlines deal was found by Cheapflights users on 11/6. 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 12/73:20 pm -
1 stop11h 10m
Sun 12/139:30 am -
1 stop14h 55m
Deal found 11/6![United Airlines logo]()
$789
This Delta deal was found by Cheapflights users on 11/5. 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 11/136:00 am -
1 stop20h 45m
Tue 11/175:45 am -
2 stops22h 46m
Deal found 11/5![Delta logo]()
$835
This United Airlines deal was found by Cheapflights users on 11/5. 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 11/138:49 am -
1 stop20h 06m
Tue 11/179:30 am -
1 stop14h 19m
Deal found 11/5![United Airlines logo]()
$839
This United Airlines deal was found by Cheapflights users on 11/7. 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 12/53:41 pm -
2 stops13h 39m
Sat 12/129:30 am -
2 stops14h 42m
Deal found 11/7![United Airlines logo]()
$844
This United Airlines deal was found by Cheapflights users on 11/6. 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 11/205:50 am -
1 stop23h 05m
Mon 11/239:00 am -
2 stops19h 21m
Deal found 11/6![United Airlines logo]()
$962
This United Airlines deal was found by Cheapflights users on 11/4. 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 12/196:00 am -
1 stop22h 55m
Sat 12/2612:05 pm -
1 stop11h 58m
Deal found 11/4![United Airlines logo]()
$1,144
This Air Canada deal was found by Cheapflights users on 11/5. 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 11/139:46 am -
2 stops16h 24m
Tue 11/178:45 am -
3 stops19h 36m
Deal found 11/5![Multiple Airlines logo]()
$1,207
This BusinessClass deal was found by Cheapflights users on 11/5. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2012:42 pm -
2 stops23h 03m
Sun 12/278:15 am -
2 stops19h 44m
Deal found 11/5![Multiple Airlines logo]()
$1,658
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 November 9, 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 November 9, 2026.
This United Airlines deal was found by Cheapflights users on 11/7. 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 2/218:20 am -
1 stop18h 10m
Fri 2/269:00 am -
2 stops41h 16m
Deal found 11/7![United Airlines logo]()
$695
This American Airlines deal was found by Cheapflights users on 11/4. 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 2/2111:01 am -
1 stop16h 29m
Thu 2/2511:30 am -
1 stop16h 19m
Deal found 11/4![American Airlines logo]()
$721
This Delta deal was found by Cheapflights users on 11/4. 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 2/215:30 am -
2 stops22h 30m
Thu 2/258:50 am -
2 stops20h 05m
Deal found 11/4![Delta logo]()
$722
This United deal was found by Cheapflights users on 11/5. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/57:16 pm -
1 stop10h 24m
Mon 5/109:20 am -
2 stops33h 18m
Deal found 11/5![Multiple Airlines logo]()
$745
This United Airlines deal was found by Cheapflights users on 11/4. 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 2/283:13 pm -
1 stop11h 17m
Wed 3/31:35 pm -
1 stop10h 15m
Deal found 11/4![United Airlines logo]()
$721
This United Airlines deal was found by Cheapflights users on 11/7. 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 4/115:06 pm -
1 stop12h 09m
Thu 4/1512:30 pm -
1 stop10h 43m
Deal found 11/7![United Airlines logo]()
$724
This United Airlines deal was found by Cheapflights users on 11/6. 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 2/283:13 pm -
1 stop13h 42m
Sat 3/61:35 pm -
1 stop15h 13m
Deal found 11/6![United Airlines logo]()
$771
Last-minute flights from Portland to IrelandDiscover last-minute flight deals from Portland to Ireland. Data last updated November 9, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Ireland. Data last updated November 9, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 11/5. 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 11/136:00 am -
1 stop20h 45m
Tue 11/175:45 am -
2 stops22h 46m
Deal found 11/5![Delta logo]()
$835
This United Airlines deal was found by Cheapflights users on 11/5. 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 11/138:49 am -
1 stop20h 06m
Tue 11/179:30 am -
1 stop14h 19m
Deal found 11/5![United Airlines logo]()
$839
This Air Canada deal was found by Cheapflights users on 11/5. 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 11/139:46 am -
2 stops16h 24m
Tue 11/178:45 am -
3 stops19h 36m
Deal found 11/5![Multiple Airlines logo]()
$1,207
This United Airlines deal was found by Cheapflights users on 11/6. 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 11/205:50 am -
1 stop23h 05m
Mon 11/239:00 am -
2 stops19h 21m
Deal found 11/6![United Airlines logo]()
$962
This United Airlines deal was found by Cheapflights users on 11/7. 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 12/53:41 pm -
2 stops13h 39m
Sat 12/129:30 am -
1 stop14h 55m
Deal found 11/7![United Airlines logo]()
$844
This United Airlines deal was found by Cheapflights users on 11/6. 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 12/73:20 pm -
1 stop11h 10m
Sun 12/139:30 am -
1 stop14h 55m
Deal found 11/6![United Airlines logo]()
$789
This Delta deal was found by Cheapflights users on 11/6. 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 12/96:00 am -
1 stop20h 45m
Wed 12/165:45 am -
2 stops23h 36m
Deal found 11/6![Delta logo]()
$736
This United Airlines deal was found by Cheapflights users on 11/6. 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 12/93:20 pm -
1 stop13h 35m
Wed 12/169:30 am -
1 stop18h 54m
Deal found 11/6![United Airlines logo]()
$739
This United Airlines deal was found by Cheapflights users on 11/4. 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 12/196:00 am -
1 stop22h 55m
Sat 12/2612:05 pm -
1 stop11h 58m
Deal found 11/4![United Airlines logo]()
$1,144
This BusinessClass deal was found by Cheapflights users on 11/5. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2012:42 pm -
2 stops23h 03m
Sun 12/278:15 am -
2 stops19h 44m
Deal found 11/5![Multiple Airlines logo]()
$1,658
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 November 9, 2026.
Search for one-way flight options from Portland to Ireland. Find affordable one-way fares based on user searches. Data last updated November 9, 2026.
This KAYAK deal was found by Cheapflights users on 11/7. 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 1/117:50 pm -
1 stop28h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Aer Lingus logo]()
$485
This Delta deal was found by Cheapflights users on 11/4. 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 1/1112:47 pm -
2 stops14h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Delta logo]()
$538
This Ovago deal was found by Cheapflights users on 11/7. 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.
Thu 12/314:28 pm -
1 stop12h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Aer Lingus logo]()
$559
This United Airlines deal was found by Cheapflights users on 11/7. 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 12/319:48 am -
2 stops17h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![United Airlines logo]()
$588
This Air Canada deal was found by Cheapflights users on 11/7. 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.
Thu 12/316:00 am -
3 stops20h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Air Canada logo]()
$600
This United Airlines deal was found by Cheapflights users on 11/4. 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 11/188:49 am -
1 stop17h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![United Airlines logo]()
$629
This Justfly.com deal was found by Cheapflights users on 11/6. 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.
Mon 1/113:14 pm -
3 stops19h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Air Canada logo]()
$648
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 November 9, 2026.
Round-trip from | $695 (United Airlines) |
|---|---|
One-way from | $485 (KAYAK) |
Popular in | January |
Cheapest in | February |
Average price | $950 |
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 November 9, 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
7:50 pm-5:15 am
1 stop28h 25m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$485
Quickest round-trip
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Mon 1/11
12:47 pm-8:45 am
2 stops14h 58m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$538
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Thu 12/31
9:48 am-8:10 am
2 stops17h 22m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$588
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Thu 12/31
6:00 am-7:10 am
3 stops20h 10m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$600
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Wed 11/18
8:49 am-7:30 am
1 stop17h 41m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$629
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
$648
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Sun 2/21
8:20 am-7:30 am
1 stop18h 10m
Dublin
Fri 2/26
9:00 am-9:16 pm
2 stops41h 16m
$695
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Sun 2/21
11:01 am-8:30 am
1 stop16h 29m
Dublin
Thu 2/25
11:30 am-10:49 pm
1 stop16h 19m
$721
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Sun 2/28
3:13 pm-7:30 am
1 stop11h 17m
Dublin
Wed 3/3
1:35 pm-6:50 pm
1 stop10h 15m
$721
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Sun 2/21
5:30 am-9:00 am
2 stops22h 30m
Dublin
Thu 2/25
8:50 am-11:55 pm
2 stops20h 05m
$722
Showing 1-10 of 13 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 November 9, 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
Boarding
7.7
Entertainment
7.1
Crew
8.1
Comfort
7.3
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Overall
7.3
Food
6.7
Boarding
7.7
Entertainment
7.1
Crew
8.1
Comfort
7.3
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 November 9, 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 November 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$534 | Average$979 | FlexibilityNo cancel fee | On-time69% |