$325+ 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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — DUB
Sep 15 — Sep 221
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 August 16, 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 August 16, 2026.
This Delta deal was found by Cheapflights users on 8/14. 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.
Tue 11/104:03 pm -
1 stop11h 42m
Tue 11/248:50 am -
2 stops19h 43m
Deal found 8/14![Delta logo]()
$702
This United Airlines deal was found by Cheapflights users on 8/14. 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 11/102:05 pm -
1 stop15h 15m
Tue 11/2412:05 pm -
1 stop16h 54m
Deal found 8/14![United Airlines logo]()
$706
This United Airlines deal was found by Cheapflights users on 8/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:00 am -
1 stop18h 30m
Tue 9/1512:30 pm -
1 stop16h 02m
Deal found 8/13![United Airlines logo]()
$709
This Orbitz deal was found by Cheapflights users on 8/11. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:53 pm -
2 stops31h 52m
Thu 9/179:50 am -
2 stops42h 42m
Deal found 8/11![Air Canada logo]()
$712
This United Airlines deal was found by Cheapflights users on 8/14. 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 9/122:38 pm -
1 stop11h 42m
Sat 9/199:20 am -
2 stops19h 12m
Deal found 8/14![United Airlines logo]()
$716
This United Airlines deal was found by Cheapflights users on 8/11. 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.
Thu 9/103:47 pm -
2 stops13h 53m
Thu 9/1712:30 pm -
1 stop11h 54m
Deal found 8/11![United Airlines logo]()
$719
This United Airlines deal was found by Cheapflights users on 8/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:00 am -
2 stops20h 45m
Sun 10/49:20 am -
2 stops33h 31m
Deal found 8/13![United Airlines logo]()
$722
This FlightHub deal was found by Cheapflights users on 8/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/245:50 am -
2 stops44h 20m
Sun 11/299:00 am -
2 stops43h 21m
Deal found 8/15![Air Canada logo]()
$726
This United deal was found by Cheapflights users on 8/13. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/293:41 pm -
1 stop14h 29m
Tue 10/69:50 am -
2 stops28h 18m
Deal found 8/13![Multiple Airlines logo]()
$737
This United Airlines deal was found by Cheapflights users on 8/14. 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 9/286:55 pm -
1 stop10h 20m
Mon 10/512:30 pm -
1 stop12h 52m
Deal found 8/14![United Airlines logo]()
$739
This Gurufare deal was found by Cheapflights users on 8/15. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1011:07 am -
2 stops19h 23m
Sun 11/152:45 pm -
2 stops24h 07m
Deal found 8/15![Multiple Airlines logo]()
$923
This Ovago deal was found by Cheapflights users on 8/16. 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.
Fri 10/212:47 pm -
2 stops17h 33m
Thu 10/81:45 pm -
2 stops15h 14m
Deal found 8/16![British Airways logo]()
$958
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 August 16, 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 August 16, 2026.
This United Airlines deal was found by Cheapflights users on 8/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/102:05 pm -
1 stop15h 15m
Tue 11/2412:05 pm -
1 stop16h 54m
Deal found 8/13![United Airlines logo]()
$706
This Delta deal was found by Cheapflights users on 8/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:00 am -
2 stops27h 30m
Tue 11/245:45 am -
2 stops22h 48m
Deal found 8/15![Delta logo]()
$707
This United Airlines deal was found by Cheapflights users on 8/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:00 am -
1 stop18h 30m
Tue 9/1512:30 pm -
1 stop16h 02m
Deal found 8/13![United Airlines logo]()
$709
This Delta deal was found by Cheapflights users on 8/14. 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 9/124:45 pm -
1 stop12h 15m
Sat 9/191:15 pm -
1 stop15h 41m
Deal found 8/14![Delta logo]()
$719
This United Airlines deal was found by Cheapflights users on 8/11. 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 2/99:45 am -
1 stop17h 25m
Fri 2/1210:40 am -
1 stop15h 47m
Deal found 8/11![United Airlines logo]()
$717
This United Airlines deal was found by Cheapflights users on 8/11. 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.
Fri 9/116:53 pm -
1 stop11h 17m
Thu 9/179:30 am -
1 stop13h 59m
Deal found 8/11![United Airlines logo]()
$719
Last-minute flights from Portland to IrelandDiscover last-minute flight deals from Portland to Ireland. Data last updated August 16, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Ireland. Data last updated August 16, 2026 and is based on user searches.
This United deal was found by Cheapflights users on 8/14. 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.
Fri 8/147:35 pm -
1 stop10h 05m
Sat 8/229:50 am -
2 stops37h 39m
Deal found 8/14![Multiple Airlines logo]()
$738
This United Airlines deal was found by Cheapflights users on 8/14. 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 8/146:00 am -
2 stops20h 20m
Sat 8/229:50 am -
2 stops40h 33m
Deal found 8/14![United Airlines logo]()
$742
This United deal was found by Cheapflights users on 8/14. 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.
Sun 8/166:00 am -
2 stops20h 45m
Tue 8/259:50 am -
2 stops37h 39m
Deal found 8/14![Multiple Airlines logo]()
$741
This Orbitz deal was found by Cheapflights users on 8/11. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:53 pm -
2 stops31h 52m
Thu 9/179:50 am -
2 stops42h 42m
Deal found 8/11![Air Canada logo]()
$712
This United Airlines deal was found by Cheapflights users on 8/11. 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.
Thu 9/103:47 pm -
2 stops13h 53m
Thu 9/1712:30 pm -
1 stop11h 54m
Deal found 8/11![United Airlines logo]()
$719
This United Airlines deal was found by Cheapflights users on 8/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:00 am -
1 stop18h 30m
Tue 9/1512:30 pm -
1 stop16h 02m
Deal found 8/13![United Airlines logo]()
$709
This United Airlines deal was found by Cheapflights users on 8/14. 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 9/122:38 pm -
1 stop11h 42m
Sat 9/199:20 am -
2 stops19h 12m
Deal found 8/14![United Airlines logo]()
$716
This United Airlines deal was found by Cheapflights users on 8/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:00 am -
2 stops20h 45m
Sun 10/49:20 am -
2 stops33h 31m
Deal found 8/13![United Airlines logo]()
$722
This United Airlines deal was found by Cheapflights users on 8/14. 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 9/286:55 pm -
1 stop10h 20m
Mon 10/512:30 pm -
1 stop12h 52m
Deal found 8/14![United Airlines logo]()
$739
This Air Canada deal was found by Cheapflights users on 8/14. 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 9/283:41 pm -
3 stops19h 29m
Mon 10/57:30 am -
3 stops20h 58m
Deal found 8/14![Air Canada logo]()
$1,416
This United deal was found by Cheapflights users on 8/13. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/293:41 pm -
1 stop14h 29m
Tue 10/69:50 am -
2 stops28h 18m
Deal found 8/13![Multiple Airlines logo]()
$737
This United Airlines deal was found by Cheapflights users on 8/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:55 pm -
1 stop11h 15m
Tue 10/69:30 am -
1 stop13h 42m
Deal found 8/13![United Airlines logo]()
$740
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 August 16, 2026.
Search for one-way flight options from Portland to Ireland. Find affordable one-way fares based on user searches. Data last updated August 16, 2026.
This American Airlines deal was found by Cheapflights users on 8/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/113:56 pm -
2 stops15h 39m
Deal found 8/11![American Airlines logo]()
$325
This Delta deal was found by Cheapflights users on 8/14. 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
Deal found 8/14![Delta logo]()
$334
This Air Canada deal was found by Cheapflights users on 8/11. 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.
Mon 1/113:15 pm -
3 stops19h 25m
Deal found 8/11![Air Canada logo]()
$443
This Ovago deal was found by Cheapflights users on 8/16. 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.
Thu 10/16:00 am -
1 stop19h 00m
Deal found 8/16![Multiple Airlines logo]()
$501
This United Airlines deal was found by Cheapflights users on 8/16. 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.
Thu 10/16:00 am -
2 stops23h 15m
Deal found 8/16![United Airlines logo]()
$513
This Air Canada deal was found by Cheapflights users on 8/16. 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.
Thu 10/13:41 pm -
3 stops19h 29m
Deal found 8/16![Air Canada logo]()
$846
This BusinessClass deal was found by Cheapflights users on 8/13. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:30 am -
1 stop20h 00m
Deal found 8/13![Iberia logo]()
$1,256
This British Airways deal was found by Cheapflights users on 8/13. 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.
Tue 9/83:06 pm -
2 stops14h 09m
Deal found 8/13![Multiple Airlines logo]()
$1,357
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 August 16, 2026.
Round-trip from | $702 (Delta) |
|---|---|
One-way from | $325 (American Airlines) |
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 August 16, 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
Tue 11/10
2:05 pm-10:20 am
1 stop15h 15m
Dublin
Tue 11/24
12:05 pm-11:59 pm
1 stop16h 54m
$706
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Tue 11/10
6:00 am-2:30 pm
2 stops27h 30m
Dublin
Tue 11/24
5:45 am-11:33 pm
2 stops22h 48m
$707
PortlandShannon
PWM Portland - SNN Shannon
PWMSNN
Portland
Fri 9/11
8:00 am-7:30 am
1 stop18h 30m
Shannon
Tue 9/15
12:30 pm-11:32 pm
1 stop16h 02m
$709
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Tue 2/9
9:45 am-8:10 am
1 stop17h 25m
Dublin
Fri 2/12
10:40 am-9:27 pm
1 stop15h 47m
$717
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Sat 9/12
4:45 pm-10:00 am
1 stop12h 15m
Dublin
Sat 9/19
1:15 pm-11:56 pm
1 stop15h 41m
$719
Quickest round-trip
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Fri 9/11
6:53 pm-11:10 am
1 stop11h 17m
Dublin
Thu 9/17
9:30 am-6:29 pm
1 stop13h 59m
$719
Cheapest one-way
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Mon 1/11
3:56 pm-12:35 pm
2 stops15h 39m
$325
Quickest one-way
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Mon 1/11
2:35 pm-8:45 am
1 stop13h 10m
$334
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Mon 1/11
3:15 pm-3:40 pm
3 stops19h 25m
$443
PortlandShannon
PWM Portland - SNN Shannon
PWMSNN
Portland
Thu 10/1
6:00 am-10:15 am
2 stops23h 15m
$513
Showing 1-10 of 11 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 August 16, 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
Overall
7.4
Entertainment
7.1
Comfort
7.3
Crew
8.1
Food
6.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Boarding
7.7
Overall
7.4
Entertainment
7.1
Comfort
7.3
Crew
8.1
Food
6.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
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
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Complete your trip
Complete your trip to Ireland by adding a car rental and/or hotel reservation to your travel itinerary.
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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 August 16, 2026.
Popular flight searches
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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 2,558,603 searches. Data last updated August 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$606 | Average$956 | FlexibilityNo cancel fee | On-time69% |