$326+ 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
Oct 4 — Oct 111
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 September 4, 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 September 4, 2026.
This United Airlines deal was found by Cheapflights users on 9/3. 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 11/105:50 am -
1 stop23h 05m
Tue 11/249:30 am -
1 stop18h 51m
Deal found 9/3![United Airlines logo]()
$706
This Delta deal was found by Cheapflights users on 9/3. 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 11/104:50 pm -
2 stops16h 40m
Tue 11/245:45 am -
2 stops22h 46m
Deal found 9/3![Delta logo]()
$716
This United deal was found by Cheapflights users on 9/2. 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 10/93:41 pm -
1 stop14h 29m
Fri 10/169:20 am -
2 stops33h 31m
Deal found 9/2![Multiple Airlines logo]()
$723
This United Airlines deal was found by Cheapflights users on 8/31. 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 9/46:53 pm -
1 stop10h 22m
Tue 9/812:30 pm -
2 stops31h 08m
Deal found 8/31![United Airlines logo]()
$724
This Air Canada deal was found by Cheapflights users on 9/2. 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.
Wed 10/146:00 am -
2 stops21h 15m
Sun 10/189:20 am -
2 stops40h 02m
Deal found 9/2![Air Canada logo]()
$731
This United Airlines deal was found by Cheapflights users on 9/2. 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 9/2![United Airlines logo]()
$737
This United Airlines deal was found by Cheapflights users on 9/3. 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 10/16:55 pm -
1 stop10h 20m
Thu 10/812:30 pm -
1 stop15h 58m
Deal found 9/3![United Airlines logo]()
$739
This Expedia deal was found by Cheapflights users on 9/2. 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.
Fri 10/26:54 pm -
2 stops32h 21m
Fri 10/169:20 am -
2 stops19h 08m
Deal found 9/2![Air Canada logo]()
$741
This United Airlines deal was found by Cheapflights users on 9/2. 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 9/3010:43 am -
1 stop15h 47m
Wed 10/79:20 am -
2 stops19h 39m
Deal found 9/2![United Airlines logo]()
$742
This United Airlines deal was found by Cheapflights users on 9/1. 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 10/86:00 am -
1 stop23h 15m
Wed 10/1412:30 pm -
1 stop15h 58m
Deal found 9/1![United Airlines logo]()
$744
This Delta deal was found by Cheapflights users on 8/31. 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 10/126:01 am -
1 stop21h 44m
Sat 10/245:55 am -
2 stops23h 15m
Deal found 8/31![Delta logo]()
$746
This Booking.com deal was found by Cheapflights users on 9/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3010:43 am -
2 stops16h 32m
Wed 10/79:20 am -
2 stops19h 08m
Deal found 9/2![Air Canada logo]()
$750
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 September 4, 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 September 4, 2026.
This United Airlines deal was found by Cheapflights users on 9/2. 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 1/178:55 am -
1 stop17h 35m
Thu 1/219:00 am -
2 stops41h 48m
Deal found 9/2![United Airlines logo]()
$695
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Tue 11/105:50 am -
1 stop23h 05m
Tue 11/249:30 am -
1 stop18h 51m
Deal found 9/4![United Airlines logo]()
$706
This United Airlines deal was found by Cheapflights users on 8/31. 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 10/153:41 pm -
1 stop13h 34m
Thu 10/2212:30 pm -
1 stop12h 52m
Deal found 8/31![United Airlines logo]()
$739
This United Airlines deal was found by Cheapflights users on 9/3. 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 10/16:55 pm -
1 stop10h 20m
Thu 10/812:30 pm -
1 stop15h 58m
Deal found 9/3![United Airlines logo]()
$739
This United Airlines deal was found by Cheapflights users on 8/31. 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 10/86:00 am -
1 stop23h 15m
Wed 10/1412:30 pm -
1 stop15h 58m
Deal found 8/31![United Airlines logo]()
$744
Last-minute flights from Portland to IrelandDiscover last-minute flight deals from Portland to Ireland. Data last updated September 4, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Ireland. Data last updated September 4, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/31. 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 9/46:53 pm -
1 stop10h 22m
Tue 9/812:30 pm -
2 stops31h 08m
Deal found 8/31![United Airlines logo]()
$724
This United Airlines deal was found by Cheapflights users on 9/2. 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 9/2![United Airlines logo]()
$737
This United Airlines deal was found by Cheapflights users on 9/2. 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 9/3010:43 am -
1 stop15h 47m
Wed 10/79:20 am -
2 stops19h 39m
Deal found 9/2![United Airlines logo]()
$742
This Booking.com deal was found by Cheapflights users on 9/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3010:43 am -
2 stops16h 32m
Wed 10/79:20 am -
2 stops19h 08m
Deal found 9/2![Air Canada logo]()
$750
This United Airlines deal was found by Cheapflights users on 9/3. 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 10/16:55 pm -
1 stop10h 20m
Thu 10/812:30 pm -
1 stop15h 58m
Deal found 9/3![United Airlines logo]()
$739
This Expedia deal was found by Cheapflights users on 9/2. 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.
Fri 10/26:54 pm -
2 stops32h 21m
Fri 10/169:20 am -
2 stops19h 08m
Deal found 9/2![Air Canada logo]()
$741
This United Airlines deal was found by Cheapflights users on 9/1. 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 10/86:00 am -
1 stop23h 15m
Wed 10/1412:30 pm -
1 stop15h 58m
Deal found 9/1![United Airlines logo]()
$744
This Delta deal was found by Cheapflights users on 8/30. 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.
Thu 10/86:04 am -
2 stops21h 11m
Wed 10/148:55 am -
2 stops19h 40m
Deal found 8/30![Delta logo]()
$751
This United deal was found by Cheapflights users on 9/2. 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 10/93:41 pm -
1 stop14h 29m
Fri 10/169:20 am -
2 stops33h 31m
Deal found 9/2![Multiple Airlines logo]()
$723
This Delta deal was found by Cheapflights users on 8/31. 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 10/126:01 am -
1 stop21h 44m
Sat 10/245:55 am -
2 stops23h 15m
Deal found 8/31![Delta logo]()
$746
This Air Canada deal was found by Cheapflights users on 9/2. 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.
Wed 10/146:00 am -
2 stops21h 15m
Sun 10/189:20 am -
2 stops40h 02m
Deal found 9/2![Air Canada logo]()
$731
This United Airlines deal was found by Cheapflights users on 9/1. 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 10/162:32 pm -
2 stops14h 13m
Fri 10/231:35 pm -
1 stop14h 53m
Deal found 9/1![United Airlines logo]()
$754
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 September 4, 2026.
Search for one-way flight options from Portland to Ireland. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.
This British Airways deal was found by Cheapflights users on 9/2. 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 1/1110:59 am -
2 stops17h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$326
This American Airlines deal was found by Cheapflights users on 9/2. 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 1/116:36 pm -
1 stop8h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![American Airlines logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/305:19 pm -
3 stops49h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$339
This Expedia deal was found by Cheapflights users on 9/2. 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.
Wed 9/306:00 am -
1 stop22h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![JetBlue logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/175:09 pm -
3 stops45h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Multiple Airlines logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/79:48 am -
2 stops29h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$430
This Air Canada deal was found by Cheapflights users on 9/3. 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 1/118:55 am -
3 stops20h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Air Canada logo]()
$438
This KAYAK deal was found by Cheapflights users on 8/31. 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.
Tue 11/1711:07 am -
1 stop13h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Aer Lingus logo]()
$445
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 September 4, 2026.
Round-trip from | $695 (United Airlines) |
|---|---|
One-way from | $326 (British Airways) |
Popular in | November |
Cheapest in | February |
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 September 4, 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
10:59 am-9:55 am
2 stops17h 56m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$326
Quickest round-trip
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Mon 1/11
6:36 pm-8:30 am
1 stop8h 54m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$334
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Wed 9/30
5:19 pm-11:25 pm
3 stops49h 06m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$339
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Wed 9/30
6:00 am-9:00 am
1 stop22h 00m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$365
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Tue 11/17
5:09 pm-7:35 pm
3 stops45h 26m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$367
PortlandShannon
PWM Portland - SNN Shannon
PWMSNN
Portland
Wed 10/7
9:48 am-8:30 pm
2 stops29h 42m
Shannon
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$430
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Sun 1/17
8:55 am-7:30 am
1 stop17h 35m
Dublin
Thu 1/21
9:00 am-9:48 pm
2 stops41h 48m
$695
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Tue 11/10
5:50 am-9:55 am
1 stop23h 05m
Dublin
Tue 11/24
9:30 am-11:21 pm
1 stop18h 51m
$706
PortlandShannon
PWM Portland - SNN Shannon
PWMSNN
Portland
Thu 10/15
3:41 pm-10:15 am
1 stop13h 34m
Shannon
Thu 10/22
12:30 pm-8:22 pm
1 stop12h 52m
$739
PortlandShannon
PWM Portland - SNN Shannon
PWMSNN
Portland
Thu 10/1
6:55 pm-10:15 am
1 stop10h 20m
Shannon
Thu 10/8
12:30 pm-11:28 pm
1 stop15h 58m
$739
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 September 4, 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.
Entertainment
7.1
Food
6.7
Crew
8.1
Comfort
7.3
Boarding
7.7
Overall
7.4
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Entertainment
7.1
Food
6.7
Crew
8.1
Comfort
7.3
Boarding
7.7
Overall
7.4
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.
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 September 4, 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 September 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$606 | Average$883 | FlexibilityNo cancel fee | On-time69% |