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

$383 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Air Canada and United Airlines, with prices starting from $464 and $469, 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 $633 on average during November, but can be found for as low as $346.

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.

$672+ Flights from Portland to Ireland

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Cheap flight deals from Portland to Ireland

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$525 (KLM)
One-way from	$314 (Kiwi.com)
Popular in	June
Cheapest in	November
Average price	$535

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

Search Deals

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

Search Deals

From Portland to Ireland

Search Deals

One-way flight from Portland to Ireland

Search Deals

Highest demand for flights based on searches. 25% potential increase in price ($218 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($36 potential savings vs. average RT price).

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Average for round-trip flights in March 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 March 28, 2025.

Wed 11/57:00 amPDX - DUB

1 stop17h 45mDelta

Wed 11/129:45 amDUB - PDX

1 stop20h 35mDelta

Deal found 3/27

$522

Wed 11/57:00 amPDX - DUB

1 stop17h 45mMultiple Airlines

Sun 11/95:55 amDUB - PDX

1 stop13h 30mMultiple Airlines

Deal found 3/27

$523

Fri 11/79:10 amPDX - DUB

2 stops38h 00mUnited Airlines

Sat 11/159:00 amDUB - PDX

3 stops21h 44mUnited Airlines

Deal found 3/26

$529

Mon 10/205:57 amPDX - DUB

1 stop19h 48mIberia

Fri 10/312:05 pmDUB - PDX

1 stop15h 47mIberia

Deal found 3/27

$534

Mon 5/53:25 pmPDX - DUB

1 stop32h 20mAir Canada

Wed 5/219:20 amDUB - PDX

1 stop32h 10mAir Canada

Deal found 3/26

$539

Mon 10/63:25 pmPDX - DUB

1 stop32h 20mLufthansa

Wed 10/159:50 amDUB - PDX

2 stops21h 06mLufthansa

Deal found 3/25

$541

Tue 4/297:35 amPDX - DUB

1 stop18h 10mFinnair

Tue 5/69:45 amDUB - PDX

2 stops22h 14mFinnair

Deal found 3/27

$582

Mon 8/117:00 amPDX - SNN

1 stop20h 10mMultiple Airlines

Fri 8/221:05 pmSNN - PDX

1 stop18h 22mMultiple Airlines

Deal found 3/27

$595

Mon 8/115:00 amPDX - SNN

2 stops18h 30mUnited Airlines

Fri 8/229:30 amSNN - PDX

2 stops19h 19mUnited Airlines

Deal found 3/27

$599

Sat 10/411:59 pmPDX - DUB

2 stops25h 41mBritish Airways

Thu 10/1612:45 pmDUB - PDX

1 stop12h 50mBritish Airways

Deal found 3/26

$599

Sun 9/213:20 pmPDX - DUB

1 stop13h 55mIcelandair

Sat 9/272:15 pmDUB - PDX

1 stop11h 40mIcelandair

Deal found 3/27

$679

Sun 4/206:20 amPDX - DUB

1 stop17h 25mKLM

Fri 5/3010:00 amDUB - PDX

1 stop18h 12mKLM

Deal found 3/26

$695

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 March 28, 2025.

Wed 4/26:30 amPDX - DUB

1 stop18h 15mMultiple Airlines

Wed 4/91:15 pmDUB - PDX

1 stop17h 23mMultiple Airlines

Deal found 3/27

$525

Wed 4/27:54 amPDX - DUB

2 stops18h 26mUnited Airlines

Tue 4/811:35 amDUB - PDX

1 stop15h 10mUnited Airlines

Deal found 3/26

$530

Mon 5/53:25 pmPDX - DUB

1 stop32h 20mAir Canada

Wed 5/219:20 amDUB - PDX

1 stop32h 10mAir Canada

Deal found 3/26

$539

Tue 4/112:59 amPDX - DUB

2 stops23h 21mDelta

Tue 4/81:15 pmDUB - PDX

1 stop17h 23mDelta

Deal found 3/26

$548

Tue 4/297:35 amPDX - DUB

1 stop18h 10mIberia

Tue 5/612:40 pmDUB - PDX

1 stop16h 41mIberia

Deal found 3/27

$578

Tue 4/297:35 amPDX - DUB

1 stop18h 10mFinnair

Tue 5/69:45 amDUB - PDX

2 stops22h 14mFinnair

Deal found 3/27

$582

Wed 4/27:25 pmPDX - DUB

1 stop14h 05mBritish Airways

Tue 4/1510:30 amDUB - PDX

1 stop15h 05mBritish Airways

Deal found 3/25

$659

Sun 4/206:20 amPDX - DUB

1 stop17h 25mKLM

Fri 5/3010:00 amDUB - PDX

1 stop18h 12mKLM

Deal found 3/26

$695

Mon 3/313:25 pmPDX - DUB

2 stops32h 50mLufthansa

Mon 4/145:45 pmDUB - PDX

2 stops38h 45mLufthansa

Deal found 3/27

$707

Mon 6/21:45 pmPDX - DUB

3 stops35h 15mWestJet

Thu 6/1211:30 amDUB - PDX

2 stops33h 22mWestJet

Deal found 3/25

$780

Tue 6/1711:49 amPDX - DUB

1 stop11h 56mAir France

Tue 7/811:00 amDUB - PDX

1 stop15h 56mAir France

Deal found 3/26

$807

Fri 4/252:58 pmPDX - SNN

2 stops16h 52mAmerican Airlines

Thu 5/17:40 amSNN - PDX

2 stops20h 58mAmerican Airlines

Deal found 3/27

$866

Last-minute flights from Portland to Ireland
Discover last-minute flight deals from Portland to Ireland. Data last updated March 28, 2025 and is based on user searches.

Thu 3/277:05 amPDX - DUB

1 stop18h 40mKLM

Thu 4/311:00 amDUB - PDX

1 stop18h 48mKLM

Deal found 3/26

$625

Sun 3/303:45 pmPDX - DUB

2 stops32h 30mAir Canada

Wed 4/169:50 amDUB - PDX

2 stops40h 35mAir Canada

Deal found 3/27

$677

Mon 3/313:25 pmPDX - DUB

2 stops32h 50mLufthansa

Mon 4/145:45 pmDUB - PDX

2 stops38h 45mLufthansa

Deal found 3/27

$707

Tue 4/112:59 amPDX - DUB

2 stops23h 21mDelta

Tue 4/81:15 pmDUB - PDX

1 stop17h 23mDelta

Deal found 3/26

$548

Tue 4/13:25 pmPDX - DUB

2 stops32h 50mLufthansa

Wed 4/169:50 amDUB - PDX

2 stops40h 35mLufthansa

Deal found 3/27

$673

Tue 4/16:00 amPDX - DUB

2 stops18h 15mAir Canada

Tue 4/159:50 amDUB - PDX

2 stops34h 49mAir Canada

Deal found 3/27

$689

Tue 4/17:35 amPDX - DUB

1 stop18h 10mFinnair

Sat 4/126:00 pmDUB - PDX

2 stops37h 02mFinnair

Deal found 3/27

$1,229

Wed 4/26:30 amPDX - DUB

1 stop18h 15mMultiple Airlines

Wed 4/91:15 pmDUB - PDX

1 stop17h 23mMultiple Airlines

Deal found 3/27

$525

Wed 4/210:50 amPDX - DUB

2 stops15h 30mUnited Airlines

Mon 4/711:35 amDUB - PDX

2 stops18h 19mUnited Airlines

Deal found 3/26

$530

Wed 4/27:25 pmPDX - DUB

1 stop14h 05mBritish Airways

Tue 4/1510:30 amDUB - PDX

1 stop15h 05mBritish Airways

Deal found 3/25

$659

Wed 4/27:54 amPDX - DUB

2 stops18h 26mUnited Airlines

Tue 4/811:35 amDUB - PDX

1 stop15h 10mUnited Airlines

Deal found 3/26

$530

Thu 4/310:50 amPDX - DUB

2 stops37h 05mSWISS

Mon 4/146:40 pmDUB - PDX

2 stops35h 56mSWISS

Deal found 3/27

$881

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 March 28, 2025.

Fri 6/201:45 pmPDX - DUB

2 stops26h 55mMultiple Airlines

Deal found 3/27

$314

Mon 5/261:45 pmPDX - DUB

1 stop13h 05mWestJet

Deal found 3/27

$383

Mon 5/193:25 pmPDX - DUB

1 stop32h 20mAir Canada

Deal found 3/26

$464

Sat 5/311:59 pmPDX - DUB

2 stops23h 11mUnited Airlines

Deal found 3/26

$469

Sat 4/2611:19 pmPDX - DUB

1 stop25h 26mDelta

Deal found 3/27

$480

Sun 4/137:05 amPDX - DUB

1 stop18h 10mKLM

Deal found 3/26

$519

Thu 6/1912:07 amPDX - DUB

1 stop21h 03mAmerican Airlines

Deal found 3/27

$845

Fri 6/1312:59 amPDX - DUB

2 stops38h 11mBritish Airways

Deal found 3/26

$929

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

Wed 4/2

6:30 am-8:45 am

1 stop18h 15m

Dublin

Wed 4/9

1:15 pm-10:38 pm

1 stop17h 23m

$525

PortlandDublin

PDX - DUB

PDXDUB

Portland

Wed 4/2

7:54 am-10:20 am

2 stops18h 26m

Dublin

Tue 4/8

11:35 am-6:45 pm

1 stop15h 10m

$530

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 5/5

3:25 pm-7:45 am

1 stop32h 20m

Dublin

Wed 5/21

9:20 am-9:30 am

1 stop32h 10m

$539

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 4/1

12:59 am-8:20 am

2 stops23h 21m

Dublin

Tue 4/8

1:15 pm-10:38 pm

1 stop17h 23m

$548

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 4/29

7:35 am-9:45 am

1 stop18h 10m

Dublin

Tue 5/6

12:40 pm-9:21 pm

1 stop16h 41m

$578

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 4/29

7:35 am-9:45 am

1 stop18h 10m

Dublin

Tue 5/6

9:45 am-11:59 pm

2 stops22h 14m

$582

PortlandShannon

PDX - SNN

PDXSNN

Portland

Mon 8/11

7:00 am-11:10 am

1 stop20h 10m

Shannon

Fri 8/22

1:05 pm-11:27 pm

1 stop18h 22m

$595

PortlandShannon

PDX - SNN

PDXSNN

Portland

Mon 8/11

5:00 am-7:30 am

2 stops18h 30m

Shannon

Fri 8/22

9:30 am-8:49 pm

2 stops19h 19m

$599

PortlandDublin

PDX - DUB

PDXDUB

Portland

Wed 4/2

7:25 pm-5:30 pm

1 stop14h 05m

Dublin

Tue 4/15

10:30 am-5:35 pm

1 stop15h 05m

$659

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 4/20

6:20 am-7:45 am

1 stop17h 25m

Dublin

Fri 5/30

10:00 am-8:12 pm

1 stop18h 12m

$695

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

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 $1,010). 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 Finnair. 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

7,897 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

7,897 reviews

Delta

8.0

Very good

7,897 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

1,321 reviews

Delta

8.0

Very good

7,897 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.

Finnair

7.6

Good

1,267 reviews

Delta

8.0

Very good

7,897 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

7.4

Good

1,424 reviews

Delta

8.0

Very good

7,897 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

8,603 reviews

Delta

8.0

Very good

7,897 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?
$383 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Air Canada and United Airlines, with prices starting from $464 and $469, 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 $1,010). 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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Top 10 airlines flying from Portland to Ireland

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest$345	Average$559	FlexibilityNo cancel fee	On-time76%
British Airways	Cheapest$436	Average$763	FlexibilityNo cancel fee	On-time70%
American Airlines	Cheapest$441	Average$821	FlexibilityNo cancel fee	On-time71%
Air Canada	Cheapest$456	Average$736	FlexibilityNo cancel fee	On-time67%
KLM	Cheapest$462	Average$607	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$474	Average$768	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$488	Average$788	FlexibilityNo cancel fee	On-timeN/A
Lufthansa	Cheapest$490	Average$614	FlexibilityNo cancel fee	On-time76%
Iberia	Cheapest$508	Average$657	FlexibilityNo cancel fee	On-time77%
Aer Lingus	Cheapest$694	Average$900	FlexibilityNo cancel fee	On-timeN/A

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$314+ 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 6/20. 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 March 28, 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 March 28, 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 March 28, 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 March 28, 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 Finnair. 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 March 28, 2025.