HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ireland

$366+ 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DUB
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Oregon 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 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 December 12, 2025.

This Delta deal was found by Cheapflights users on 12/10. 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 12/117:05 amPDX - DUB
1 stop17h 40mDelta
Mon 12/155:55 amDUB - PDX
1 stop13h 30mDelta
Deal found 12/10$471
This Delta deal was found by Cheapflights users on 12/10. 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 12/101:25 pmPDX - DUB
1 stop18h 55mDelta
Mon 12/155:55 amDUB - PDX
1 stop13h 30mDelta
Deal found 12/10$477
This KAYAK deal was found by Cheapflights users on 12/10. 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.
Fri 12/1210:50 amPDX - DUB
1 stop13h 20mLufthansa
Tue 12/1610:50 amDUB - PDX
2 stops21h 47mLufthansa
Deal found 12/10$479
This Finnair deal was found by Cheapflights users on 12/10. 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.
Sat 12/136:44 amBOI - DUB
1 stop17h 26mMultiple Airlines
Fri 1/306:05 pmDUB - BOI
2 stops32h 20mMultiple Airlines
Deal found 12/10$480
This Booking.com deal was found by Cheapflights users on 12/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1012:16 pmBOI - DUB
2 stops35h 54mMultiple Airlines
Wed 12/1712:05 pmDUB - BOI
2 stops40h 26mMultiple Airlines
Deal found 12/10$481
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/1210:50 amPDX - DUB
1 stop13h 20mUnited Airlines
Tue 12/161:35 pmDUB - PDX
1 stop16h 10mUnited Airlines
Deal found 12/10$483
This FlightHub deal was found by Cheapflights users on 12/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1012:16 pmBOI - DUB
1 stop12h 54mLufthansa
Wed 12/1712:05 pmDUB - BOI
2 stops36h 58mLufthansa
Deal found 12/10$484
This KAYAK deal was found by Cheapflights users on 12/10. 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.
Wed 12/101:14 pmPDX - DUB
2 stops19h 56mLufthansa
Mon 12/155:10 amDUB - PDX
2 stops27h 27mLufthansa
Deal found 12/10$484
This KAYAK deal was found by Cheapflights users on 12/10. 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.
Wed 12/101:14 pmPDX - DUB
2 stops19h 56mLufthansa
Tue 12/1610:50 amDUB - PDX
2 stops21h 47mLufthansa
Deal found 12/10$486
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/1212:16 pmBOI - DUB
2 stops15h 04mUnited Airlines
Tue 12/1610:40 amDUB - BOI
2 stops17h 45mUnited Airlines
Deal found 12/11$488
This Finnair deal was found by Cheapflights users on 12/11. 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.
Sat 12/138:35 amPDX - DUB
2 stops16h 05mMultiple Airlines
Mon 12/2211:30 amDUB - PDX
2 stops21h 24mMultiple Airlines
Deal found 12/11$488
This Expedia deal was found by Cheapflights users on 12/10. 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.
Fri 12/127:00 amPDX - DUB
1 stop17h 10mLufthansa
Wed 12/1712:05 pmDUB - PDX
2 stops41h 02mLufthansa
Deal found 12/10$493

Find flight deals from Oregon to Ireland

Keep the following information in mind while searching for Oregon to Ireland flight deals. Data was last updated December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$420
(Kiwi.com)

One-way from

$366
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$792
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 Oregon to Ireland
Search Deals
One-way flight from Oregon to Ireland
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($110 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 12, 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

Wed 2/11

5:45 pm-5:00 pm

1 stop15h 15m

Dublin

Tue 2/17

8:40 pm-3:55 pm

1 stop27h 15m

$453

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Mon 1/12

9:48 am-7:30 am

2 stops14h 42m

Dublin

Sun 1/18

9:00 am-7:51 pm

2 stops41h 51m

$460

EugeneDublin

EUG - DUB

EUGDUB

Eugene

Wed 2/18

6:00 am-8:10 am

2 stops18h 10m

Dublin

Sat 2/28

9:00 am-9:01 pm

2 stops44h 01m

$460

PortlandDublin

PDX - DUB

PDXDUB

Portland

Wed 1/7

1:24 pm-8:10 am

2 stops34h 46m

Dublin

Wed 1/14

9:00 am-6:10 pm

2 stops41h 10m

$466

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 2/15

5:45 pm-3:05 pm

1 stop13h 20m

Dublin

Tue 2/24

6:00 pm-3:55 pm

1 stop29h 55m

$468

PortlandDublin

PDX - DUB

PDXDUB

Portland

Wed 3/4

5:45 pm-7:55 am

1 stop30h 10m

Dublin

Fri 3/13

8:50 am-4:55 pm

1 stop15h 05m

$468

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 1/13

7:00 am-8:45 am

1 stop17h 45m

Dublin

Thu 1/22

8:50 am-11:25 am

1 stop34h 35m

$471

PortlandShannon

PDX - SNN

PDXSNN

Portland

Thu 3/5

1:51 pm-4:45 pm

2 stops18h 54m

Shannon

Wed 3/11

7:50 am-4:55 pm

1 stop16h 05m

$474

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 3/17

7:00 am-8:45 am

1 stop18h 45m

Dublin

Fri 4/10

6:00 am-11:10 am

1 stop13h 10m

$475

PortlandDublin

PDX - DUB

PDXDUB

Portland

Thu 2/19

7:10 am-3:45 pm

2 stops24h 35m

Dublin

Sun 2/22

8:50 am-11:25 am

1 stop34h 35m

$476

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 42 results
1
2
3
...
5

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, November is the cheapest month in which you can book a flight from Oregon to Ireland (average of $356). Flying from Oregon to Ireland in June is currently the most expensive (average of $635). 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 December 12, 2025.

It’s optimal to fly from Oregon to Ireland in the afternoon. By choosing this option you can save up to 29% 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. Saturday 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 14h 42m. The distance from Oregon to Ireland is about 4560 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 $201. Users have also found prices from $344 and $378 on American Airlines 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, November is the cheapest month in which you can book a flight from Oregon to Ireland (average of $356). Flying from Oregon to Ireland in June is currently the most expensive (average of $635). 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

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

Alternative routes for Oregon to Ireland

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Charles de Gaulle flights
Newark to Charles de Gaulle flights
John F Kennedy Intl to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Gatwick flights
Newark to Leonardo da Vinci/Fiumicino flights
LaGuardia to Heathrow flights
Newark to Orly flights
Boston to Heathrow flights
John F Kennedy Intl to London City flights
John F Kennedy Intl to Orly flights
John F Kennedy Intl to Istanbul flights
Newark to Gatwick flights
John F Kennedy Intl to Madrid flights
Miami to Madrid flights
LaGuardia to Gatwick flights
Los Angeles to Heathrow flights
Dulles Intl to Heathrow flights
LaGuardia to Charles de Gaulle flights
John F Kennedy Intl to Lisbon flights
John F Kennedy Intl to Stansted flights
Newark to Madrid flights
Newark to Lisbon flights
O'Hare Intl to Heathrow flights
John F Kennedy Intl to Malpensa flights
Newark to Malpensa flights
San Francisco to Heathrow flights
Newark to Athens flights
John F Kennedy Intl to Dublin flights
Los Angeles to Charles de Gaulle flights
Boston to Charles de Gaulle flights
John F Kennedy Intl to Barcelona-El Prat flights
O'Hare Intl to Charles de Gaulle flights
Dulles Intl to Charles de Gaulle flights
Newark to Dublin flights
Newark to Barcelona-El Prat flights
Boston to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Luton flights
O'Hare Intl to Leonardo da Vinci/Fiumicino flights
Dallas/Fort Worth to Heathrow flights
Baltimore to Heathrow flights
Newark to Frankfurt flights
Dulles Intl to Istanbul flights
Dulles Intl to Leonardo da Vinci/Fiumicino flights
LaGuardia to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Athens flights
Dallas/Fort Worth to Leonardo da Vinci/Fiumicino flights
Boston to Dublin flights
John F Kennedy Intl to Frankfurt flights

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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$365Average$543FlexibilityNo cancel feeOn-time76%
IberiaCheapest$437Average$583FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$468Average$724FlexibilityNo cancel feeOn-time69%
DeltaCheapest$474Average$708FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$477Average$650FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$479Average$649FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$481Average$723FlexibilityNo cancel feeOn-time71%
KLMCheapest$483Average$632FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$490Average$727FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$527Average$592FlexibilityNo cancel feeOn-time77%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.