$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 8 — Sep 151
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
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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 9, 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 9, 2026.
This United Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2610:50 am -
1 stop19h 05m
Sun 11/19:00 am -
2 stops34h 16m
Deal found 8/7![United Airlines logo]()
$688
This United Airlines deal was found by Cheapflights users on 8/4. 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 9/15:03 pm -
2 stops33h 42m
Tue 9/89:20 am -
2 stops37h 34m
Deal found 8/4![United Airlines logo]()
$696
This Delta deal was found by Cheapflights users on 8/7. 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 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 8/7![Delta logo]()
$702
This United Airlines deal was found by Cheapflights users on 8/7. 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.
Tue 11/102:05 pm -
1 stop15h 15m
Tue 11/2412:05 pm -
1 stop16h 54m
Deal found 8/7![United Airlines logo]()
$706
This Air France deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/52:57 pm -
1 stop15h 13m
Sat 9/121:05 pm -
1 stop15h 51m
Deal found 8/8![Multiple Airlines logo]()
$709
This United Airlines deal was found by Cheapflights users on 8/8. 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 12/66:00 am -
1 stop20h 30m
Fri 1/89:00 am -
2 stops38h 13m
Deal found 8/8![United Airlines logo]()
$709
This United Airlines deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/54:48 pm -
1 stop34h 22m
Fri 1/89:00 am -
2 stops38h 13m
Deal found 8/8![United Airlines logo]()
$714
This Air Canada deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/53:15 pm -
2 stops34h 55m
Thu 1/79:00 am -
2 stops42h 57m
Deal found 8/8![Air Canada logo]()
$717
This Ovago deal was found by Cheapflights users on 8/8. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:40 am -
1 stop18h 50m
Sat 9/1212:00 pm -
2 stops16h 59m
Deal found 8/8![Lufthansa logo]()
$747
This United Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/103:50 pm -
1 stop13h 25m
Sun 8/169:30 am -
1 stop16h 53m
Deal found 8/7![United Airlines logo]()
$769
This United Airlines deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:00 am -
2 stops20h 30m
Sat 9/1212:30 pm -
2 stops26h 34m
Deal found 8/8![United Airlines logo]()
$799
This United Airlines deal was found by Cheapflights users on 8/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/206:53 pm -
1 stop10h 22m
Sun 9/2712:30 pm -
1 stop15h 58m
Deal found 8/6![United Airlines logo]()
$851
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 9, 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 9, 2026.
This United Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2610:50 am -
1 stop19h 05m
Sun 11/19:00 am -
2 stops34h 16m
Deal found 8/7![United Airlines logo]()
$688
This Delta deal was found by Cheapflights users on 8/4. 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 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 8/4![Delta logo]()
$702
This British Airways deal was found by Cheapflights users on 8/4. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1011:07 am -
2 stops17h 28m
Tue 11/248:50 am -
2 stops19h 06m
Deal found 8/4![Multiple Airlines logo]()
$706
This Ovago deal was found by Cheapflights users on 8/8. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:40 am -
1 stop18h 50m
Sat 9/1212:00 pm -
2 stops16h 59m
Deal found 8/8![Lufthansa logo]()
$747
This Air Canada deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/53:45 pm -
3 stops19h 20m
Sat 9/127:30 am -
3 stops21h 02m
Deal found 8/8![Air Canada logo]()
$1,103
This United Airlines deal was found by Cheapflights users on 8/8. 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 1/179:45 am -
1 stop17h 25m
Thu 1/219:00 am -
2 stops33h 52m
Deal found 8/8![United Airlines logo]()
$690
This Delta deal was found by Cheapflights users on 8/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/24:47 pm -
2 stops16h 43m
Wed 11/111:25 pm -
2 stops30h 51m
Deal found 8/7![Delta logo]()
$707
This Air France deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/52:57 pm -
1 stop15h 13m
Sat 9/121:05 pm -
1 stop15h 51m
Deal found 8/8![Multiple Airlines logo]()
$709
This United Airlines deal was found by Cheapflights users on 8/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/103:10 pm -
1 stop11h 20m
Tue 11/2412:05 pm -
2 stops16h 16m
Deal found 8/6![United Airlines logo]()
$710
This United Airlines deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:00 am -
2 stops20h 30m
Sat 9/1212:30 pm -
2 stops26h 34m
Deal found 8/8![United Airlines logo]()
$799
This KAYAK deal was found by Cheapflights users on 8/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:30 am -
1 stop18h 25m
Wed 11/112:00 pm -
1 stop14h 43m
Deal found 8/7![Multiple Airlines logo]()
$969
This United Airlines deal was found by Cheapflights users on 8/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/206:53 pm -
1 stop10h 22m
Sun 9/2712:30 pm -
1 stop15h 58m
Deal found 8/6![United Airlines logo]()
$851
This Air Canada deal was found by Cheapflights users on 8/7. 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.
Mon 11/210:50 am -
3 stops19h 40m
Wed 11/117:50 am -
3 stops20h 31m
Deal found 8/7![Air Canada logo]()
$1,871
Last-minute flights from Portland to IrelandDiscover last-minute flight deals from Portland to Ireland. Data last updated August 9, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Ireland. Data last updated August 9, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/103:50 pm -
1 stop13h 25m
Sun 8/169:30 am -
1 stop16h 53m
Deal found 8/7![United Airlines logo]()
$769
This United Airlines deal was found by Cheapflights users on 8/4. 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 9/15:03 pm -
2 stops33h 42m
Tue 9/89:20 am -
2 stops37h 34m
Deal found 8/4![United Airlines logo]()
$696
This Delta deal was found by Cheapflights users on 8/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:00 am -
2 stops21h 20m
Tue 9/81:15 pm -
1 stop15h 41m
Deal found 8/4![Delta logo]()
$728
This United Airlines deal was found by Cheapflights users on 8/4. 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.
Fri 9/46:53 pm -
1 stop31h 37m
Sat 9/129:20 am -
2 stops19h 12m
Deal found 8/4![United Airlines logo]()
$721
This Ovago deal was found by Cheapflights users on 8/4. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:00 am -
1 stop22h 00m
Sat 9/1211:30 am -
1 stop17h 24m
Deal found 8/4![JetBlue logo]()
$744
This Air France deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/52:57 pm -
1 stop15h 13m
Sat 9/121:05 pm -
1 stop15h 51m
Deal found 8/8![Multiple Airlines logo]()
$709
This Ovago deal was found by Cheapflights users on 8/8. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:40 am -
1 stop18h 50m
Sat 9/1212:00 pm -
2 stops16h 59m
Deal found 8/8![Lufthansa logo]()
$747
This KAYAK deal was found by Cheapflights users on 8/4. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:00 am -
1 stop22h 00m
Sat 9/1211:30 am -
1 stop17h 24m
Deal found 8/4![JetBlue logo]()
$743
This KLM deal was found by Cheapflights users on 8/4. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/192:10 pm -
1 stop13h 35m
Sat 9/2611:10 am -
2 stops17h 46m
Deal found 8/4![KLM logo]()
$737
This Delta deal was found by Cheapflights users on 8/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:00 am -
2 stops23h 00m
Sat 9/268:55 am -
2 stops20h 01m
Deal found 8/4![Delta logo]()
$751
This Expedia deal was found by Cheapflights users on 8/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:00 am -
1 stop22h 00m
Sat 9/2611:30 am -
1 stop17h 24m
Deal found 8/4![JetBlue logo]()
$757
This United Airlines deal was found by Cheapflights users on 8/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/206:53 pm -
1 stop11h 17m
Sun 9/279:20 am -
2 stops19h 08m
Deal found 8/6![United Airlines logo]()
$746
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 9, 2026.
Search for one-way flight options from Portland to Ireland. Find affordable one-way fares based on user searches. Data last updated August 9, 2026.
This American Airlines deal was found by Cheapflights users on 8/4. 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 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 8/4![American Airlines logo]()
$325
This Delta deal was found by Cheapflights users on 8/7. 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 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 8/7![Delta logo]()
$334
This Travelocity deal was found by Cheapflights users on 8/7. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:00 am -
1 stop22h 00m
Deal found 8/7![JetBlue logo]()
$365
This Delta deal was found by Cheapflights users on 8/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:02 am -
2 stops21h 18m
Deal found 8/7![Delta logo]()
$434
This Air Canada deal was found by Cheapflights users on 8/4. 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 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 8/4![Air Canada logo]()
$443
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/273:05 pm -
3 stops26h 40m
Deal found 8/7![Multiple Airlines logo]()
$446
This Ovago deal was found by Cheapflights users on 8/9. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/15:41 am -
2 stops29h 04m
Deal found 8/9![British Airways logo]()
$515
This deal was found by Cheapflights users on 8/8. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/273:41 pm -
1 stop14h 29m
Deal found 8/8![United Airlines logo]()
$597
This Air Canada deal was found by Cheapflights users on 8/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/13:38 pm -
3 stops19h 07m
Deal found 8/9![Air Canada logo]()
$728
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 9, 2026.
Round-trip from | $688 (United Airlines) |
|---|---|
One-way from | $325 (American Airlines) |
Popular in | November |
Cheapest in | February |
Average price | $999 |
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 9, 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 10/26
10:50 am-9:55 am
1 stop19h 05m
Dublin
Sun 11/1
9:00 am-2:16 pm
2 stops34h 16m
$688
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Sun 1/17
9:45 am-8:10 am
1 stop17h 25m
Dublin
Thu 1/21
9:00 am-1:52 pm
2 stops33h 52m
$690
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Tue 11/10
4:03 pm-8:45 am
1 stop11h 42m
Dublin
Tue 11/24
8:50 am-11:33 pm
2 stops19h 43m
$702
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Tue 11/10
11:07 am-9:35 am
2 stops17h 28m
Dublin
Tue 11/24
8:50 am-10:56 pm
2 stops19h 06m
$706
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Mon 11/2
4:47 pm-2:30 pm
2 stops16h 43m
Dublin
Wed 11/11
1:25 pm-3:16 pm
2 stops30h 51m
$707
PortlandShannon
PWM Portland - SNN Shannon
PWMSNN
Portland
Sat 9/5
2:57 pm-11:10 am
1 stop15h 13m
Shannon
Sat 9/12
1:05 pm-11:56 pm
1 stop15h 51m
$709
PortlandDublin
PWM Portland - DUB Dublin
PWMDUB
Portland
Tue 11/10
3:10 pm-7:30 am
1 stop11h 20m
Dublin
Tue 11/24
12:05 pm-11:21 pm
2 stops16h 16m
$710
PortlandShannon
PWM Portland - SNN Shannon
PWMSNN
Portland
Sat 9/5
7:40 am-7:30 am
1 stop18h 50m
Shannon
Sat 9/12
12:00 pm-11:59 pm
2 stops16h 59m
$747
PortlandShannon
PWM Portland - SNN Shannon
PWMSNN
Portland
Sat 9/5
6:00 am-7:30 am
2 stops20h 30m
Shannon
Sat 9/12
12:30 pm-10:04 am
2 stops26h 34m
$799
Quickest round-trip
PortlandShannon
PWM Portland - SNN Shannon
PWMSNN
Portland
Sun 9/20
6:53 pm-10:15 am
1 stop10h 22m
Shannon
Sun 9/27
12:30 pm-11:28 pm
1 stop15h 58m
$851
Showing 1-10 of 20 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 9, 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
Overall
7.4
Boarding
7.7
Crew
8.1
Food
6.7
Comfort
7.3
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Entertainment
7.1
Overall
7.4
Boarding
7.7
Crew
8.1
Food
6.7
Comfort
7.3
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
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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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 August 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Portland to Ireland flights
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Fly to Ireland regions
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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 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$606 | Average$956 | FlexibilityNo cancel fee | On-time69% |