$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 7 — Nov 141
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 October 8, 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 8, 2026.
This United Airlines deal was found by Cheapflights users on 10/8. 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 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 stops43h 21m
Deal found 10/8![United Airlines logo]()
$707
This United Airlines deal was found by Cheapflights users on 10/5. 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.
Thu 11/198:49 am -
1 stop17h 41m
Thu 11/2612:05 pm -
1 stop11h 57m
Deal found 10/5![United Airlines logo]()
$780
This United Airlines deal was found by Cheapflights users on 10/7. 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 11/15:08 pm -
1 stop34h 02m
Tue 11/2412:05 pm -
1 stop11h 57m
Deal found 10/7![United Airlines logo]()
$785
This Air Canada deal was found by Cheapflights users on 10/8. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/78:49 am -
3 stops17h 21m
Thu 11/199:00 am -
2 stops19h 21m
Deal found 10/8![Multiple Airlines logo]()
$787
This American Airlines deal was found by Cheapflights users on 10/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:00 am -
1 stop21h 40m
Tue 11/2411:30 am -
2 stops16h 09m
Deal found 10/7![American Airlines logo]()
$789
This United Airlines deal was found by Cheapflights users on 10/7. 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 10/810:43 am -
1 stop18h 32m
Wed 10/1412:30 pm -
1 stop15h 58m
Deal found 10/7![United Airlines logo]()
$882
This Ovago deal was found by Cheapflights users on 10/5. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:00 am -
1 stop18h 15m
Fri 11/2712:55 pm -
1 stop25h 56m
Deal found 10/5![Aer Lingus logo]()
$968
This KAYAK deal was found by Cheapflights users on 10/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:55 pm -
1 stop10h 20m
Wed 10/1412:30 pm -
1 stop15h 58m
Deal found 10/5![Lufthansa logo]()
$989
This United Airlines deal was found by Cheapflights users on 10/7. 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 11/218:49 am -
1 stop20h 06m
Sat 11/281:35 pm -
1 stop14h 46m
Deal found 10/7![United Airlines logo]()
$1,022
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 8, 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 8, 2026.
This United Airlines deal was found by Cheapflights users on 10/4. 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 1/177:50 pm -
1 stop30h 40m
Thu 1/219:00 am -
2 stops58h 44m
Deal found 10/4![United Airlines logo]()
$695
This American Airlines deal was found by Cheapflights users on 10/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/205:26 am -
2 stops19h 24m
Fri 11/272:00 pm -
2 stops25h 01m
Deal found 10/5![American Airlines logo]()
$1,266
This United Airlines deal was found by Cheapflights users on 10/8. 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 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 stops43h 21m
Deal found 10/8![United Airlines logo]()
$707
This United Airlines deal was found by Cheapflights users on 10/7. 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.
Mon 1/183:14 pm -
1 stop11h 16m
Fri 1/229:30 am -
1 stop19h 02m
Deal found 10/7![United Airlines logo]()
$711
This Air Canada deal was found by Cheapflights users on 10/5. 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 11/2010:50 am -
3 stops19h 40m
Fri 11/277:50 am -
3 stops20h 31m
Deal found 10/5![Air Canada logo]()
$2,112
Last-minute flights from Portland to IrelandDiscover last-minute flight deals from Portland to Ireland. Data last updated October 8, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Ireland. Data last updated October 8, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/7. 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 10/810:43 am -
1 stop18h 32m
Wed 10/1412:30 pm -
1 stop15h 58m
Deal found 10/7![United Airlines logo]()
$882
This KAYAK deal was found by Cheapflights users on 10/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:55 pm -
1 stop10h 20m
Wed 10/1412:30 pm -
1 stop15h 58m
Deal found 10/5![Lufthansa logo]()
$989
This United Airlines deal was found by Cheapflights users on 10/7. 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 11/15:08 pm -
1 stop34h 02m
Tue 11/2412:05 pm -
1 stop11h 57m
Deal found 10/7![United Airlines logo]()
$785
This American Airlines deal was found by Cheapflights users on 10/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:00 am -
1 stop21h 40m
Tue 11/2411:30 am -
2 stops16h 09m
Deal found 10/7![American Airlines logo]()
$789
This United Airlines deal was found by Cheapflights users on 10/8. 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 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 stops43h 21m
Deal found 10/8![United Airlines logo]()
$707
This Air Canada deal was found by Cheapflights users on 10/8. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/78:49 am -
3 stops17h 21m
Thu 11/199:00 am -
2 stops19h 21m
Deal found 10/8![Multiple Airlines logo]()
$787
This United Airlines deal was found by Cheapflights users on 10/5. 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.
Thu 11/198:49 am -
1 stop17h 41m
Thu 11/2612:05 pm -
1 stop11h 57m
Deal found 10/5![United Airlines logo]()
$780
This United Airlines deal was found by Cheapflights users on 10/7. 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 11/218:49 am -
1 stop20h 06m
Sat 11/281:35 pm -
1 stop14h 46m
Deal found 10/7![United Airlines logo]()
$1,022
This Ovago deal was found by Cheapflights users on 10/5. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:00 am -
1 stop18h 15m
Fri 11/2712:55 pm -
1 stop25h 56m
Deal found 10/5![Aer Lingus logo]()
$968
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 8, 2026.
Search for one-way flight options from Portland to Ireland. Find affordable one-way fares based on user searches. Data last updated October 8, 2026.
This British Airways deal was found by Cheapflights users on 10/8. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/1110:52 am -
2 stops18h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Multiple Airlines logo]()
$322
This Delta deal was found by Cheapflights users on 10/8. 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 Delta 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 10/8![Delta logo]()
$329
This Air Canada deal was found by Cheapflights users on 10/8. 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 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 10/8![Air Canada logo]()
$449
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 8, 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 8, 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
10:52 am-9:55 am
2 stops18h 03m
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
Sun 1/17
7:50 pm-7:30 am
1 stop30h 40m
Dublin
Thu 1/21
9:00 am-2:44 pm
2 stops58h 44m
$695
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Sat 11/7
5:08 pm-7:30 am
2 stops33h 22m
Dublin
Thu 11/19
9:00 am-11:21 pm
2 stops43h 21m
$707
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Mon 1/18
3:14 pm-7:30 am
1 stop11h 16m
Dublin
Fri 1/22
9:30 am-11:32 pm
1 stop19h 02m
$711
PortlandShannon
PWM Portland - SNN Shannon
PWMSNN
Portland
Fri 11/20
5:26 am-5:50 am
2 stops19h 24m
Shannon
Fri 11/27
2:00 pm-10:01 am
2 stops25h 01m
$1,266
PortlandShannon
PWM Portland - SNN Shannon
PWMSNN
Portland
Fri 11/20
10:50 am-11:30 am
3 stops19h 40m
Shannon
Fri 11/27
7:50 am-11:21 pm
3 stops20h 31m
$2,112
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 8, 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
Crew
8.1
Comfort
7.3
Food
6.7
Overall
7.4
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Boarding
7.7
Entertainment
7.1
Crew
8.1
Comfort
7.3
Food
6.7
Overall
7.4
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 8, 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 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$534 | Average$917 | FlexibilityNo cancel fee | On-time69% |