$320+ 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — DUB
Oct 18 — Oct 251
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Ireland with Cheapflights
1. Tell us where you want to go
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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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Best
Last-minute
One-way
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 18, 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 18, 2026.
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/911:39 am -
1 stop16h 06m
Wed 11/259:40 am -
1 stop18h 51m
Deal found 9/16![Delta logo]()
$546
This Delta deal was found by Cheapflights users on 9/14. 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 11/106:00 am -
1 stop20h 45m
Tue 11/2410:45 am -
1 stop18h 34m
Deal found 9/14![Delta logo]()
$556
This Air France deal was found by Cheapflights users on 9/15. 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 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 11/249:40 am -
1 stop18h 51m
Deal found 9/15![Multiple Airlines logo]()
$560
This Air France deal was found by Cheapflights users on 9/16. 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 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 9/16![Air France logo]()
$579
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/144:15 pm -
1 stop12h 45m
Wed 10/211:15 pm -
1 stop15h 55m
Deal found 9/16![Delta logo]()
$594
This Air France deal was found by Cheapflights users on 9/15. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3012:55 pm -
1 stop16h 05m
Tue 10/612:00 pm -
1 stop16h 35m
Deal found 9/15![Multiple Airlines logo]()
$595
This Delta deal was found by Cheapflights users on 9/15. 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.
Wed 9/306:00 am -
2 stops23h 00m
Tue 10/612:00 pm -
2 stops28h 57m
Deal found 9/15![Delta logo]()
$599
This KLM deal was found by Cheapflights users on 9/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/122:05 pm -
1 stop12h 40m
Tue 11/179:40 am -
1 stop18h 51m
Deal found 9/16![KLM logo]()
$606
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:55 am -
1 stop15h 00m
Wed 10/285:45 am -
2 stops21h 16m
Deal found 9/16![Delta logo]()
$608
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Tue 10/136:00 am -
1 stop23h 15m
Tue 10/2012:30 pm -
1 stop10h 42m
Deal found 9/16![United Airlines logo]()
$738
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Thu 10/86:00 am -
1 stop23h 15m
Wed 10/1412:30 pm -
1 stop15h 58m
Deal found 9/13![United Airlines logo]()
$829
This United Airlines deal was found by Cheapflights users on 9/17. 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 -
1 stop23h 15m
Sun 10/412:30 pm -
1 stop12h 52m
Deal found 9/17![United Airlines logo]()
$831
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 18, 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 18, 2026.
This Delta deal was found by Cheapflights users on 9/15. 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 -
1 stop20h 45m
Tue 11/2410:45 am -
1 stop18h 34m
Deal found 9/15![Delta logo]()
$556
This KLM deal was found by Cheapflights users on 9/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/122:05 pm -
1 stop12h 40m
Tue 11/179:40 am -
1 stop18h 51m
Deal found 9/16![KLM logo]()
$606
This KLM deal was found by Cheapflights users on 9/14. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/124:03 pm -
1 stop11h 42m
Tue 11/179:40 am -
2 stops19h 39m
Deal found 9/14![Multiple Airlines logo]()
$610
This United Airlines deal was found by Cheapflights users on 9/12. 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 9/12![United Airlines logo]()
$738
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/144:15 pm -
1 stop12h 45m
Wed 10/2110:00 am -
2 stops18h 35m
Deal found 9/16![Delta logo]()
$599
This Delta deal was found by Cheapflights users on 9/15. 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.
Wed 9/306:00 am -
2 stops23h 00m
Tue 10/612:00 pm -
2 stops28h 57m
Deal found 9/15![Delta logo]()
$599
This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:00 am -
1 stop20h 45m
Tue 11/1710:45 am -
1 stop18h 34m
Deal found 9/13![Delta logo]()
$606
This United Airlines deal was found by Cheapflights users on 9/13. 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 10/1310:43 am -
1 stop18h 32m
Tue 10/2012:30 pm -
1 stop25h 38m
Deal found 9/13![United Airlines logo]()
$738
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:55 am -
1 stop15h 00m
Wed 10/285:45 am -
2 stops21h 16m
Deal found 9/16![Delta logo]()
$608
This United Airlines deal was found by Cheapflights users on 9/17. 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 -
1 stop23h 15m
Sun 10/412:30 pm -
1 stop12h 52m
Deal found 9/17![United Airlines logo]()
$831
Last-minute flights from Portland to IrelandDiscover last-minute flight deals from Portland to Ireland. Data last updated September 18, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Ireland. Data last updated September 18, 2026 and is based on user searches.
This Air France deal was found by Cheapflights users on 9/15. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3012:55 pm -
1 stop16h 05m
Tue 10/612:00 pm -
1 stop16h 35m
Deal found 9/15![Multiple Airlines logo]()
$595
This Delta deal was found by Cheapflights users on 9/15. 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.
Wed 9/306:00 am -
2 stops23h 00m
Tue 10/612:00 pm -
2 stops28h 57m
Deal found 9/15![Delta logo]()
$599
This United Airlines deal was found by Cheapflights users on 9/17. 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 -
1 stop23h 15m
Sun 10/412:30 pm -
1 stop12h 52m
Deal found 9/17![United Airlines logo]()
$831
This Delta deal was found by Cheapflights users on 9/15. 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 10/612:42 pm -
2 stops16h 18m
Thu 10/159:15 am -
2 stops19h 55m
Deal found 9/15![Delta logo]()
$618
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/811:55 am -
1 stop15h 00m
Tue 10/131:15 pm -
1 stop15h 55m
Deal found 9/16![Delta logo]()
$644
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Thu 10/86:00 am -
1 stop23h 15m
Wed 10/1412:30 pm -
1 stop15h 58m
Deal found 9/13![United Airlines logo]()
$829
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Fri 10/96:00 am -
1 stop23h 15m
Mon 10/1212:30 pm -
2 stops26h 32m
Deal found 9/16![United Airlines logo]()
$868
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Tue 10/136:00 am -
1 stop23h 15m
Tue 10/2012:30 pm -
1 stop10h 42m
Deal found 9/16![United Airlines logo]()
$738
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/144:15 pm -
1 stop12h 45m
Wed 10/211:15 pm -
1 stop15h 55m
Deal found 9/16![Delta logo]()
$594
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:55 am -
1 stop15h 00m
Wed 10/285:45 am -
2 stops21h 16m
Deal found 9/16![Delta logo]()
$608
This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:01 am -
1 stop21h 44m
Thu 11/59:40 am -
1 stop16h 20m
Deal found 9/13![Delta logo]()
$606
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 18, 2026.
Search for one-way flight options from Portland to Ireland. Find affordable one-way fares based on user searches. Data last updated September 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/209:48 am -
2 stops19h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$320
This British Airways deal was found by Cheapflights users on 9/16. 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 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 9/16![Multiple Airlines logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/1612:28 pm -
3 stops43h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 9/16. 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 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 9/16![American Airlines logo]()
$334
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Sat 1/167:43 pm -
2 stops31h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![United Airlines logo]()
$340
This Air Canada deal was found by Cheapflights users on 9/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/177:23 am -
3 stops18h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Air Canada logo]()
$346
This Air Canada deal was found by Cheapflights users on 9/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/157:43 pm -
2 stops54h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Air Canada logo]()
$354
This KAYAK deal was found by Cheapflights users on 9/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/187:23 am -
1 stop19h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Brussels Airlines logo]()
$364
This KAYAK deal was found by Cheapflights users on 9/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/167:43 pm -
2 stops30h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Lufthansa logo]()
$372
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Thu 1/147:23 am -
2 stops19h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![United Airlines logo]()
$384
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 18, 2026.
Round-trip from | $546 (Delta) |
|---|---|
One-way from | $320 (Kiwi.com) |
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 18, 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 1/18
8:55 am-7:30 am
1 stop17h 35m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$334
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Wed 1/20
2:35 pm-8:45 am
1 stop13h 10m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$334
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Sat 1/16
4:45 pm-8:10 am
1 stop34h 25m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$345
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Tue 11/10
6:00 am-7:45 am
1 stop20h 45m
Dublin
Tue 11/24
10:45 am-12:19 am
1 stop18h 34m
$556
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Wed 10/14
4:15 pm-10:00 am
1 stop12h 45m
Dublin
Wed 10/21
10:00 am-11:35 pm
2 stops18h 35m
$599
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Wed 9/30
6:00 am-10:00 am
2 stops23h 00m
Dublin
Tue 10/6
12:00 pm-11:57 am
2 stops28h 57m
$599
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Thu 11/12
2:05 pm-7:45 am
1 stop12h 40m
Dublin
Tue 11/17
9:40 am-11:31 pm
1 stop18h 51m
$606
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Thu 11/12
6:00 am-7:45 am
1 stop20h 45m
Dublin
Tue 11/17
10:45 am-12:19 am
1 stop18h 34m
$606
Showing 1-10 of 15 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 18, 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
Crew
8.1
Boarding
7.7
Overall
7.4
Comfort
7.3
Food
6.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Entertainment
7.1
Crew
8.1
Boarding
7.7
Overall
7.4
Comfort
7.3
Food
6.7
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 September 18, 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 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$606 | Average$883 | FlexibilityNo cancel fee | On-time69% |