What are the cheapest airlines to fly from Portland to Ireland one-way?

$351 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Aer Lingus and Air Canada, with prices starting from $455 and $464, respectively.

What are the most popular routes from Portland to Ireland?

The most popular flight routes from Portland to Ireland are Portland - Dublin, Portland - Shannon and Portland - Cork.

What are the most popular airlines that fly from Portland to Ireland?

Before booking your flight from Portland to Ireland check out the most popular airlines for this route: American Airlines, Air Canada or British Airways.

How far in advance should I book a flight from Portland to Ireland?

To save on the cost of your flight from Portland to Ireland, book at least 28 days before your planned departure. Booking around this time can save you about 50% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $524 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $730.

What is the cheapest month to fly from Portland to Ireland?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, November can be a great choice for travel to Ireland. Flights to Ireland from Portland in November are about $620 on average during November, but can be found for as low as $345.

What airport do you fly from for flights from Portland to Ireland?

Portland (PDX) is the airport you will fly out of if you book a flight from Portland to Ireland. It is only a 6.0 mi journey to Portland (PDX) from Portland’s city center.

Can I find deals for flights from Portland to Ireland that include hotel bookings?

Yes. In addition to deals on Portland to Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Portland to Ireland?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Ireland.

Can I find deals for business class flights from Portland to Ireland?

Yes. Cheapflights offers flight deals from Portland to Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$774+ Flights from Portland to Ireland

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Cheap flight deals from Portland to Ireland

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$547 (Delta)
One-way from	$351 (Mytrip)
Popular in	June
Cheapest in	November
Average price	$613

Provider with most accurate pricing for Portland-Dublin flight deals.

Search Deals

Provider most trusted by Cheapflights users for Portland-Dublin flights.

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From Portland to Ireland

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One-way flight from Portland to Ireland

Search Deals

Highest demand for flights based on searches. 23% potential increase in price ($191 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($31 potential savings vs. average RT price).

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Average for round-trip flights in April 2025

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Find flight deals from Portland to Ireland

Cheapest flights from Portland to Ireland
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 April 17, 2025.

Fri 9/53:20 pmPDX - DUB

1 stop13h 55mIcelandair

Sat 9/132:15 pmDUB - PDX

1 stop11h 40mIcelandair

Deal found 4/16

$546

Mon 5/512:59 amPDX - DUB

1 stop22h 56mDelta

Tue 5/1310:00 amDUB - PDX

1 stop20h 01mDelta

Deal found 4/16

$547

Tue 5/66:15 amPDX - DUB

1 stop17h 30mMultiple Airlines

Tue 5/135:55 amDUB - PDX

2 stops16h 45mMultiple Airlines

Deal found 4/16

$548

Tue 5/139:40 amPDX - DUB

2 stops14h 15mAir France

Tue 5/2712:00 pmDUB - PDX

1 stop19h 25mAir France

Deal found 4/16

$551

Tue 10/76:15 amPDX - DUB

1 stop17h 30mUnited Airlines

Tue 10/1411:35 amDUB - PDX

1 stop14h 56mUnited Airlines

Deal found 4/17

$557

Wed 12/3112:08 pmPDX - DUB

2 stops23h 32mBritish Airways

Thu 1/88:30 pmDUB - PDX

2 stops28h 27mBritish Airways

Deal found 4/16

$559

Thu 9/117:00 amPDX - SNN

1 stop16h 30mUnited Airlines

Wed 9/249:30 amSNN - PDX

2 stops21h 21mUnited Airlines

Deal found 4/16

$561

Sat 7/265:30 amPDX - DUB

1 stop20h 15mIberia

Wed 8/612:40 pmDUB - PDX

1 stop16h 08mIberia

Deal found 4/17

$562

Sat 8/910:00 amPDX - DUB

1 stop13h 45mAir Canada

Sat 8/169:20 amDUB - PDX

2 stops37h 25mAir Canada

Deal found 4/16

$570

Tue 8/1911:25 amPDX - DUB

2 stops26h 50mLufthansa

Wed 8/279:50 amDUB - PDX

2 stops21h 06mLufthansa

Deal found 4/16

$585

Wed 10/88:30 amPDX - DUB

2 stops25h 20mSWISS

Tue 10/146:40 pmDUB - PDX

2 stops32h 06mSWISS

Deal found 4/17

$598

Tue 5/61:55 pmPDX - SNN

2 stops18h 15mAmerican Airlines

Thu 5/157:40 amSNN - PDX

2 stops23h 19mAmerican Airlines

Deal found 4/17

$623

Best flights from Portland to Ireland
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 April 17, 2025.

Mon 5/512:59 amPDX - DUB

1 stop22h 56mDelta

Wed 5/281:15 pmDUB - PDX

1 stop18h 00mDelta

Deal found 4/16

$547

Tue 5/66:15 amPDX - DUB

1 stop17h 30mMultiple Airlines

Tue 5/135:55 amDUB - PDX

2 stops16h 45mMultiple Airlines

Deal found 4/16

$548

Tue 5/139:40 amPDX - DUB

2 stops14h 15mAir France

Tue 5/2712:00 pmDUB - PDX

1 stop19h 25mAir France

Deal found 4/16

$551

Mon 5/51:45 pmPDX - DUB

2 stops36h 35mUnited Airlines

Sun 5/119:20 amDUB - PDX

1 stop32h 10mUnited Airlines

Deal found 4/15

$568

Mon 5/56:15 amPDX - DUB

2 stops18h 00mAir Canada

Sun 5/119:20 amDUB - PDX

1 stop13h 20mAir Canada

Deal found 4/16

$577

Tue 5/611:14 amPDX - SNN

2 stops20h 56mAmerican Airlines

Thu 5/157:40 amSNN - PDX

2 stops23h 19mAmerican Airlines

Deal found 4/17

$623

Mon 5/57:25 pmPDX - DUB

1 stop16h 10mBritish Airways

Mon 5/198:55 pmDUB - PDX

1 stop28h 40mBritish Airways

Deal found 4/17

$634

Mon 6/23:20 pmPDX - DUB

1 stop13h 55mIcelandair

Fri 6/612:15 pmDUB - PDX

1 stop13h 40mIcelandair

Deal found 4/15

$641

Sat 7/123:25 pmPDX - DUB

2 stops32h 20mLufthansa

Sun 7/279:20 amDUB - PDX

1 stop17h 26mLufthansa

Deal found 4/16

$746

Mon 6/21:45 pmPDX - DUB

1 stop13h 05mWestJet

Fri 6/612:50 pmDUB - PDX

1 stop32h 02mWestJet

Deal found 4/15

$792

Tue 4/296:00 amPDX - DUB

1 stop18h 45mKLM

Tue 5/611:00 amDUB - PDX

1 stop18h 48mKLM

Deal found 4/16

$797

Fri 5/237:25 pmPDX - DUB

1 stop13h 50mAer Lingus

Fri 5/303:25 pmDUB - PDX

1 stop16h 34mAer Lingus

Deal found 4/15

$825

Last-minute flights from Portland to Ireland
Discover last-minute flight deals from Portland to Ireland. Data last updated April 17, 2025 and is based on user searches.

Tue 4/227:35 amPDX - DUB

1 stop18h 10mFinnair

Thu 7/31:45 pmDUB - PDX

1 stop17h 17mFinnair

Deal found 4/16

$1,271

Wed 4/231:00 pmPDX - DUB

2 stops21h 15mScandinavian Airlines

Sat 5/318:05 pmDUB - PDX

3 stops28h 54mScandinavian Airlines

Deal found 4/17

$1,331

Thu 4/245:31 amPDX - DUB

1 stop20h 14mMultiple Airlines

Wed 4/303:30 pmDUB - PDX

1 stop34h 05mMultiple Airlines

Deal found 4/16

$911

Thu 4/2410:50 amPDX - DUB

2 stops37h 05mSWISS

Wed 4/301:00 pmDUB - PDX

2 stops41h 36mSWISS

Deal found 4/16

$1,085

Fri 4/2512:59 amPDX - DUB

1 stop22h 56mDelta

Tue 5/61:15 pmDUB - PDX

1 stop17h 23mDelta

Deal found 4/16

$857

Sat 4/2611:30 pmPDX - DUB

1 stop23h 40mUnited Airlines

Tue 5/69:50 amDUB - PDX

2 stops42h 12mUnited Airlines

Deal found 4/16

$769

Sat 4/2611:57 amPDX - DUB

1 stop13h 48mIberia

Sun 5/412:40 pmDUB - PDX

1 stop18h 07mIberia

Deal found 4/17

$5,226

Tue 4/296:00 amPDX - DUB

1 stop18h 45mKLM

Tue 5/611:00 amDUB - PDX

1 stop18h 48mKLM

Deal found 4/16

$797

Sat 5/310:00 amPDX - DUB

1 stop13h 45mLufthansa

Fri 5/99:00 amDUB - PDX

2 stops41h 45mLufthansa

Deal found 4/16

$822

Mon 5/512:59 amPDX - DUB

1 stop22h 56mDelta

Wed 5/281:15 pmDUB - PDX

1 stop18h 00mDelta

Deal found 4/16

$547

Mon 5/51:45 pmPDX - DUB

2 stops36h 35mUnited Airlines

Sun 5/119:20 amDUB - PDX

1 stop32h 10mUnited Airlines

Deal found 4/15

$568

Mon 5/56:15 amPDX - DUB

2 stops18h 00mAir Canada

Sun 5/119:20 amDUB - PDX

1 stop13h 20mAir Canada

Deal found 4/16

$577

One-way flights from Portland to Ireland
Search for one-way flight options from Portland to Ireland. Find affordable one-way fares based on user searches. Data last updated April 17, 2025.

Mon 6/91:45 pmPDX - DUB

3 stops35h 15mWestJet

Deal found 4/16

$351

Fri 6/205:50 pmPDX - DUB

3 stops44h 50mMultiple Airlines

Deal found 4/15

$372

Wed 7/93:00 pmPDX - DUB

1 stop15h 30mAer Lingus

Deal found 4/15

$455

Sat 7/56:15 amPDX - DUB

2 stops41h 30mAir Canada

Deal found 4/17

$464

Sat 7/511:30 pmPDX - DUB

1 stop23h 40mUnited Airlines

Deal found 4/16

$469

Tue 7/812:40 amPDX - DUB

1 stop23h 15mDelta

Deal found 4/15

$480

Fri 7/410:00 amPDX - DUB

1 stop13h 45mLufthansa

Deal found 4/17

$524

Thu 7/312:59 amPDX - DUB

2 stops37h 31mBritish Airways

Deal found 4/16

$729

Tue 7/151:00 pmPDX - DUB

3 stops22h 25mScandinavian Airlines

Deal found 4/16

$3,065

Cheapflights Fare Finder

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

Price

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 5/5

12:59 am-7:55 am

1 stop22h 56m

Dublin

Wed 5/28

1:15 pm-11:15 pm

1 stop18h 00m

$547

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 5/6

6:15 am-7:45 am

1 stop17h 30m

Dublin

Tue 5/13

5:55 am-2:40 pm

2 stops16h 45m

$548

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 5/13

9:40 am-7:55 am

2 stops14h 15m

Dublin

Tue 5/27

12:00 pm-11:25 pm

1 stop19h 25m

$551

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 5/5

1:45 pm-10:20 am

2 stops36h 35m

Dublin

Sun 5/11

9:20 am-9:30 am

1 stop32h 10m

$568

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 5/5

6:15 am-8:15 am

2 stops18h 00m

Dublin

Sun 5/11

9:20 am-2:40 pm

1 stop13h 20m

$577

PortlandShannon

PDX - SNN

PDXSNN

Portland

Wed 5/7

7:54 am-10:15 am

2 stops18h 21m

Shannon

Wed 5/14

12:30 pm-9:39 pm

1 stop17h 09m

$616

PortlandShannon

PDX - SNN

PDXSNN

Portland

Tue 5/6

11:14 am-4:10 pm

2 stops20h 56m

Shannon

Thu 5/15

7:40 am-10:59 pm

2 stops23h 19m

$623

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 5/5

7:25 pm-7:35 pm

1 stop16h 10m

Dublin

Mon 5/19

8:55 pm-5:35 pm

1 stop28h 40m

$634

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 6/2

3:20 pm-1:15 pm

1 stop13h 55m

Dublin

Fri 6/6

12:15 pm-5:55 pm

1 stop13h 40m

$641

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sat 7/12

3:25 pm-7:45 am

2 stops32h 20m

Dublin

Sun 7/27

9:20 am-6:46 pm

1 stop17h 26m

$746

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 28 results

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.

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

What is the cheapest month to book a flight from Portland to Ireland?

Currently, November is the cheapest month in which you can book a flight from Portland to Ireland (average of $509). Flying from Portland to Ireland in June is currently the most expensive (average of $1,006). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PDX to IE?

When flying from Portland to Ireland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Ireland by month

In terms of precipitation, rainfall in Ireland ranges from 1.9 - 3.1 inches per month. October is typically the wettest month, when rainfall can reach 3.1 in. February is typically the driest time to visit Ireland when rainfall is around 1.9 in.

Temperature in Ireland by month

If weather is an important factor for your trip to Ireland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Ireland

Read through reviews of airlines operating flights from Portland to Ireland, such as Delta, KLM and Air France. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,917 reviews

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,329 reviews

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France

7.5

Good

1,435 reviews

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,667 reviews

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Scandinavian Airlines

7.3

Good

1,335 reviews

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What airport do you fly from for flights from Portland to Ireland?
Portland (PDX) is the airport you will fly out of if you book a flight from Portland to Ireland. It is only a 6.0 mi journey to Portland (PDX) from Portland’s city center.
What are the cheapest airlines to fly from Portland to Ireland one-way?
$351 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Aer Lingus and Air Canada, with prices starting from $455 and $464, respectively.
What are the most popular routes from Portland to Ireland?
The most popular flight routes from Portland to Ireland are Portland - Dublin, Portland - Shannon and Portland - Cork.
Can I find deals for flights from Portland to Ireland that include hotel bookings?
Yes. In addition to deals on Portland to Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Portland to Ireland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Ireland.
Can I find deals for business class flights from Portland to Ireland?
Yes. Cheapflights offers flight deals from Portland to Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Portland to Ireland?
Currently, November is the cheapest month in which you can book a flight from Portland to Ireland (average of $509). Flying from Portland to Ireland in June is currently the most expensive (average of $1,006). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Portland to Ireland

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Portland to Manchester flights

Top 10 airlines flying from Portland to Ireland

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest$345	Average$560	FlexibilityNo cancel fee	On-time76%
British Airways	Cheapest$436	Average$741	FlexibilityNo cancel fee	On-time70%
American Airlines	Cheapest$439	Average$804	FlexibilityNo cancel fee	On-time71%
Air Canada	Cheapest$459	Average$732	FlexibilityNo cancel fee	On-time67%
KLM	Cheapest$463	Average$588	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$475	Average$772	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$488	Average$658	FlexibilityNo cancel fee	On-timeN/A
Iberia	Cheapest$508	Average$657	FlexibilityNo cancel fee	On-time77%
Lufthansa	Cheapest$522	Average$662	FlexibilityNo cancel fee	On-time76%
Aer Lingus	Cheapest$699	Average$900	FlexibilityNo cancel fee	On-timeN/A

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$351+ Cheap flights from Portland (PDX) 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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Portland to Ireland with Cheapflights

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Cheap flight deals from Portland to Ireland

Keep the following information in mind while searching for Portland to Ireland flight deals. Data was last updated April 17, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Portland to Ireland

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 April 17, 2025.

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 April 17, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portland to Ireland that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Portland to Ireland

What is the cheapest month to book a flight from Portland to Ireland?

What is the cheapest time of day to fly from PDX to IE?

Find hourly flight availability from Portland to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2025.

Rainfall in Ireland by month

Plan your trip to Ireland by taking into account the average rainfall totals by month.

Temperature in Ireland by month

Plan your trip to Ireland by taking into account the average temperature totals by month.

Reviews of airlines servicing Ireland

Read through reviews of airlines operating flights from Portland to Ireland, such as Delta, KLM and Air France. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

What airport do you fly from for flights from Portland to Ireland?

What are the cheapest airlines to fly from Portland to Ireland one-way?

What are the most popular routes from Portland to Ireland?

Can I find deals for flights from Portland to Ireland that include hotel bookings?

How can I find direct flights from Portland to Ireland?

Can I find deals for business class flights from Portland to Ireland?

What is the cheapest month to book a flight from Portland to Ireland?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portland to Ireland

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Portland to Ireland

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Cheapest flights from Portland to Ireland
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 April 17, 2025.