$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 11 — Oct 181
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 11, 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 11, 2026.
This KLM deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2811:55 am -
1 stop16h 00m
Fri 11/610:45 am -
1 stop18h 25m
Deal found 9/9![KLM logo]()
$556
This KLM deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2811:55 am -
1 stop16h 00m
Fri 11/611:55 am -
2 stops17h 15m
Deal found 9/9![Multiple Airlines logo]()
$560
This Delta deal was found by Cheapflights users on 9/9. 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 10/286:01 am -
2 stops21h 54m
Fri 11/69:40 am -
2 stops31h 42m
Deal found 9/9![Delta logo]()
$571
This Delta deal was found by Cheapflights users on 9/10. 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 11/114:03 pm -
1 stop11h 42m
Mon 11/161:25 pm -
2 stops30h 51m
Deal found 9/10![Delta logo]()
$575
This Air France deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1012:45 pm -
2 stops16h 00m
Tue 11/249:55 am -
2 stops19h 24m
Deal found 9/10![Air France logo]()
$579
This KLM deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/112:05 pm -
1 stop12h 40m
Mon 11/169:40 am -
1 stop18h 51m
Deal found 9/10![KLM logo]()
$606
This Delta deal was found by Cheapflights users on 9/10. 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 10/206:01 am -
1 stop21h 44m
Wed 10/288:50 am -
2 stops19h 20m
Deal found 9/10![Delta logo]()
$609
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/258:49 am -
1 stop21h 06m
Sun 11/19:00 am -
2 stops41h 51m
Deal found 9/10![United Airlines logo]()
$679
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Wed 11/185:50 am -
1 stop23h 05m
Sun 12/69:00 am -
2 stops40h 42m
Deal found 9/7![United Airlines logo]()
$684
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Wed 10/2810:50 am -
1 stop19h 05m
Mon 11/29:00 am -
2 stops34h 16m
Deal found 9/8![United Airlines logo]()
$688
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Wed 11/185:30 am -
2 stops23h 25m
Mon 12/79:00 am -
2 stops35h 34m
Deal found 9/7![United Airlines logo]()
$689
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/9![United Airlines logo]()
$737
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 11, 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 11, 2026.
This Delta deal was found by Cheapflights users on 9/10. 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 10/206:01 am -
1 stop21h 44m
Wed 10/288:50 am -
2 stops19h 20m
Deal found 9/10![Delta logo]()
$609
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/258:49 am -
1 stop21h 06m
Sun 11/19:00 am -
2 stops41h 51m
Deal found 9/10![United Airlines logo]()
$679
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Sun 1/178:55 am -
1 stop17h 35m
Thu 1/219:00 am -
2 stops41h 48m
Deal found 9/8![United Airlines logo]()
$695
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/267:30 pm -
1 stop10h 50m
Mon 11/29:00 am -
2 stops17h 51m
Deal found 9/10![United Airlines logo]()
$703
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/9![United Airlines logo]()
$706
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Mon 11/23:41 pm -
2 stops13h 39m
Tue 11/109:30 am -
2 stops14h 32m
Deal found 9/8![United Airlines logo]()
$710
This United Airlines deal was found by Cheapflights users on 9/10. 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 9/10![United Airlines logo]()
$738
This United Airlines deal was found by Cheapflights users on 9/10. 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
Thu 10/1512:30 pm -
1 stop10h 42m
Deal found 9/10![United Airlines logo]()
$738
Last-minute flights from Portland to IrelandDiscover last-minute flight deals from Portland to Ireland. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Ireland. Data last updated September 11, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/9![United Airlines logo]()
$737
This United Airlines deal was found by Cheapflights users on 9/10. 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 9/10![United Airlines logo]()
$738
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/85:15 am -
2 stops24h 00m
Thu 10/1512:30 pm -
2 stops50h 32m
Deal found 9/10![United Airlines logo]()
$804
This Delta deal was found by Cheapflights users on 9/10. 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 10/206:01 am -
1 stop21h 44m
Wed 10/288:50 am -
2 stops19h 20m
Deal found 9/10![Delta logo]()
$609
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/258:49 am -
1 stop21h 06m
Sun 11/19:00 am -
2 stops41h 51m
Deal found 9/10![United Airlines logo]()
$679
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/267:30 pm -
1 stop10h 50m
Mon 11/29:00 am -
2 stops17h 51m
Deal found 9/10![United Airlines logo]()
$703
This KLM deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2811:55 am -
1 stop16h 00m
Fri 11/610:45 am -
1 stop18h 25m
Deal found 9/9![KLM logo]()
$556
This KLM deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2811:55 am -
1 stop16h 00m
Fri 11/611:55 am -
2 stops17h 15m
Deal found 9/9![Multiple Airlines logo]()
$560
This Delta deal was found by Cheapflights users on 9/9. 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 10/286:01 am -
2 stops21h 54m
Fri 11/69:40 am -
2 stops31h 42m
Deal found 9/9![Delta logo]()
$571
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Wed 10/2810:50 am -
1 stop19h 05m
Mon 11/29:00 am -
2 stops34h 16m
Deal found 9/8![United Airlines logo]()
$688
This Justfly.com deal was found by Cheapflights users on 9/8. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:49 am -
2 stops17h 21m
Mon 11/29:00 am -
2 stops43h 21m
Deal found 9/8![Air Canada logo]()
$696
This American Airlines deal was found by Cheapflights users on 9/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:00 pm -
1 stop16h 40m
Mon 11/211:30 am -
1 stop16h 27m
Deal found 9/8![American Airlines logo]()
$711
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 11, 2026.
Search for one-way flight options from Portland to Ireland. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
This British Airways deal was found by Cheapflights users on 9/10. 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 9/10![Multiple Airlines logo]()
$326
This American Airlines deal was found by Cheapflights users on 9/10. 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 9/10![American Airlines logo]()
$334
This Air Canada deal was found by Cheapflights users on 9/6. 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 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 9/6![Air Canada logo]()
$438
This Ovago deal was found by Cheapflights users on 9/7. 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 10/156:00 am -
1 stop19h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$501
This United Airlines deal was found by Cheapflights users on 9/7. 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 10/159:50 am -
2 stops19h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![United Airlines logo]()
$513
This Air Canada deal was found by Cheapflights users on 9/7. 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 10/153:41 pm -
3 stops19h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Air Canada logo]()
$758
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 11, 2026.
Round-trip from | $556 (KLM) |
|---|---|
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 11, 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
Mon 1/11
8:55 am-10:15 am
3 stops20h 20m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$438
PortlandShannon
PWM Portland - SNN Shannon
PWMSNN
Portland
Thu 10/15
6:00 am-6:00 am
1 stop19h 00m
Shannon
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$501
PortlandShannon
PWM Portland - SNN Shannon
PWMSNN
Portland
Thu 10/15
9:50 am-10:15 am
2 stops19h 25m
Shannon
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$513
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Tue 10/20
6:01 am-8:45 am
1 stop21h 44m
Dublin
Wed 10/28
8:50 am-12:10 am
2 stops19h 20m
$609
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Sun 10/25
8:49 am-9:55 am
1 stop21h 06m
Dublin
Sun 11/1
9:00 am-9:51 pm
2 stops41h 51m
$679
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
Mon 10/26
7:30 pm-10:20 am
1 stop10h 50m
Dublin
Mon 11/2
9:00 am-9:51 pm
2 stops17h 51m
$703
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
Showing 1-10 of 14 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 11, 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.
Comfort
7.3
Food
6.7
Overall
7.4
Entertainment
7.1
Boarding
7.7
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Comfort
7.3
Food
6.7
Overall
7.4
Entertainment
7.1
Boarding
7.7
Crew
8.1
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
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 September 11, 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 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$606 | Average$883 | FlexibilityNo cancel fee | On-time69% |