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Ireland

$290+ Cheap flights from Oregon 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DUB
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Oregon to Ireland

Keep the following information in mind while searching for Oregon to Ireland flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$348
(Flightnetwork)

One-way from

$290
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$541
Provider with most accurate pricing for Portland-Dublin flight deals.
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Provider most trusted by Cheapflights users for Portland-Dublin flights.
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From Oregon to Ireland
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One-way flight from Oregon to Ireland
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Highest demand for flights based on searches. 17% potential increase in price ($127 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Oregon to Ireland

Cheapest flights from Oregon to Ireland
Explore the most affordable flight options available from Oregon to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Flightnetwork deal was found by Cheapflights users on 10/30. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/132:45 pmPDX - DUB
1 stop11h 30mIcelandair
Wed 11/2611:30 amDUB - PDX
1 stop13h 30mIcelandair
Deal found 10/30$348
This CrystalTravel deal was found by Cheapflights users on 10/28. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/82:45 pmPDX - DUB
1 stop11h 30mIcelandair
Mon 12/1511:30 amDUB - PDX
1 stop13h 30mIcelandair
Deal found 10/28$352
This oojo deal was found by Cheapflights users on 10/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/292:45 pmPDX - DUB
1 stop11h 30mIcelandair
Fri 12/511:30 amDUB - PDX
1 stop13h 30mIcelandair
Deal found 10/28$378
This Delta deal was found by Cheapflights users on 10/30. 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 11/106:10 amPDX - DUB
1 stop17h 35mDelta
Wed 11/1910:45 amDUB - PDX
1 stop17h 58mDelta
Deal found 10/30$433
This Finnair deal was found by Cheapflights users on 10/28. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/167:40 amPDX - DUB
1 stop15h 30mMultiple Airlines
Tue 11/2511:30 amDUB - PDX
2 stops17h 45mMultiple Airlines
Deal found 10/28$438
This Delta deal was found by Cheapflights users on 10/27. 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 11/1012:35 amPDX - DUB
1 stop23h 10mDelta
Tue 11/259:45 amDUB - PDX
1 stop19h 02mDelta
Deal found 10/27$439
This Air France deal was found by Cheapflights users on 10/27. 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 10/286:20 amPDX - DUB
1 stop18h 25mMultiple Airlines
Tue 11/118:50 amDUB - PDX
1 stop34h 35mMultiple Airlines
Deal found 10/27$443
This KLM deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:05 amPDX - DUB
1 stop17h 40mKLM
Mon 11/175:55 amDUB - PDX
1 stop13h 30mKLM
Deal found 10/28$446
This Finnair deal was found by Cheapflights users on 10/30. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:40 amPDX - DUB
1 stop15h 30mMultiple Airlines
Wed 11/2611:30 amDUB - PDX
2 stops19h 29mMultiple Airlines
Deal found 10/30$449
This KLM deal was found by Cheapflights users on 10/27. 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.
Tue 11/115:30 amPDX - DUB
2 stops18h 15mKLM
Sun 11/235:55 amDUB - PDX
1 stop13h 30mKLM
Deal found 10/27$451
This KLM deal was found by Cheapflights users on 10/28. 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.
Mon 11/106:10 amPDX - DUB
1 stop17h 35mMultiple Airlines
Wed 11/196:00 amDUB - PDX
2 stops18h 06mMultiple Airlines
Deal found 10/28$452
This Delta deal was found by Cheapflights users on 10/29. 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 11/36:20 amPDX - DUB
2 stops25h 25mDelta
Wed 11/1210:45 amDUB - PDX
1 stop17h 58mDelta
Deal found 10/29$453

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oregon 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 October 30, 2025.
Use the filters below to find and compare flights from Oregon to Ireland that are best for you.

Fly from

Oregon

Fly to

Ireland

Route

Depart

Return

Price

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 11/16

6:10 am-7:45 am

1 stop17h 35m

Dublin

Tue 11/25

9:45 am-8:47 pm

1 stop19h 02m

$433

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 11/16

6:10 am-7:45 am

1 stop17h 35m

Dublin

Tue 11/25

9:45 am-5:43 pm

1 stop15h 58m

$433

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 11/10

6:10 am-7:45 am

1 stop17h 35m

Dublin

Wed 11/19

9:45 am-7:35 pm

1 stop17h 50m

$433

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 11/16

7:40 am-7:10 am

1 stop15h 30m

Dublin

Tue 11/25

11:30 am-9:15 pm

2 stops17h 45m

$438

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 11/30

7:40 am-7:10 am

1 stop15h 30m

Dublin

Thu 12/11

11:30 am-10:56 pm

2 stops19h 26m

$438

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 11/11

5:30 am-7:45 am

2 stops18h 15m

Dublin

Tue 11/25

9:45 am-5:43 pm

1 stop15h 58m

$438

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 12/2

7:40 am-8:40 am

2 stops17h 00m

Dublin

Tue 12/16

11:30 am-11:23 pm

2 stops19h 53m

$438

MedfordDublin

MFR - DUB

MFRDUB

Medford

Mon 2/23

5:21 pm-7:45 am

2 stops30h 24m

Dublin

Fri 3/6

9:45 am-11:09 pm

2 stops21h 24m

$438

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 11/10

12:35 am-7:45 am

1 stop23h 10m

Dublin

Tue 11/25

9:45 am-8:47 pm

1 stop19h 02m

$439

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 11/11

7:05 am-8:45 am

1 stop17h 40m

Dublin

Sun 11/23

5:55 am-11:25 am

1 stop13h 30m

$446

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 45 results
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Best time to book a flight from Oregon to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from Oregon 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 Oregon to Ireland

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

Currently, December is the cheapest month in which you can book a flight from Oregon to Ireland (average of $345). Flying from Oregon to Ireland in June is currently the most expensive (average of $675). 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 OR to IE?

Find hourly flight availability from Oregon 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 October 30, 2025.

It’s optimal to fly from Oregon to Ireland in the afternoon. By choosing this option you can save up to 25% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Oregon to Ireland?

Use this chart to determine the cheapest time to fly round-trip from Oregon to Ireland. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Oregon to Ireland flight should consider departing on Tuesday at noon when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Oregon to Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Oregon to Ireland?

    Departing from Oregon to Ireland will take you 17h 35m. The distance from Oregon to Ireland is about 4635 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    For one-way options, check prices for Icelandair. According to our data, you can fly for as low as $357. Users have also found prices from $386 and $474 on KLM and Delta, respectively.

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

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

  • How can I find direct flights from Oregon to Ireland?

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

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

    Yes. Cheapflights offers flight deals from Oregon 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 Oregon to Ireland?

    Currently, December is the cheapest month in which you can book a flight from Oregon to Ireland (average of $345). Flying from Oregon to Ireland in June is currently the most expensive (average of $675). 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

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Alternative routes for Oregon to Ireland

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Oregon to Ireland

Discover the top 10 airlines that operate flights from Oregon 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$358Average$556FlexibilityNo cancel feeOn-time76%
IberiaCheapest$437Average$583FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$468Average$714FlexibilityNo cancel feeOn-time69%
DeltaCheapest$474Average$841FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$474Average$636FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$481Average$729FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$486Average$724FlexibilityNo cancel feeOn-time67%
KLMCheapest$489Average$634FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$490Average$660FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$493Average$572FlexibilityNo cancel feeOn-time77%

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