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

Currently, February is the cheapest month in which you can book a flight from Oregon to Northern Ireland (average of $657). Flying from Oregon to Northern Ireland in June is currently the most expensive (average of $1,189). 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.

In terms of precipitation, rainfall in Northern Ireland ranges from 2.0 - 3.5 inches per month. October is typically the wettest month, when rainfall can reach 3.5 in. April is typically the driest time to visit Northern Ireland when rainfall is around 2.0 in.

If weather is an important factor for your trip to Northern 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).

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

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

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

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

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

Yes. Cheapflights offers flight deals from Oregon to Northern 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.

$412+ Flights from Oregon to Northern Ireland

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Cheap flight deals from Oregon to Northern Ireland

Round-trip from	$738 (Justfly.com)
One-way from	$412 (Kiwi.com)

From Oregon to Northern Ireland

Search Deals

One-way flight from Oregon to Northern Ireland

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Find flight deals from Oregon to Northern Ireland

Cheapest flights from Oregon to Northern Ireland
Explore the most affordable flight options available from Oregon to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Sat 8/2311:59 pmPDX - BHD

2 stops25h 21mBritish Airways

Sun 8/316:50 amBHD - PDX

2 stops23h 14mBritish Airways

Deal found 7/30

$738

Best flights from Oregon to Northern Ireland
Discover carefully curated flight deals from Oregon to Northern Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 31, 2025.

Sat 8/2311:59 pmPDX - BHD

2 stops25h 21mBritish Airways

Sun 8/316:50 amBHD - PDX

2 stops23h 14mBritish Airways

Deal found 7/30

$738

Last-minute flights from Oregon to Northern Ireland
Discover last-minute flight deals from Oregon to Northern Ireland. Data last updated July 31, 2025 and is based on user searches.

Sat 8/2311:59 pmPDX - BHD

2 stops25h 21mBritish Airways

Sun 8/316:50 amBHD - PDX

2 stops23h 14mBritish Airways

Deal found 7/30

$738

One-way flights from Oregon to Northern Ireland
Search for one-way flight options from Oregon to Northern Ireland. Find affordable one-way fares based on user searches. Data last updated July 31, 2025.

Thu 9/181:08 pmPDX - BHD

2 stops47h 17mMultiple Airlines

Deal found 7/30

$412

Thu 9/184:46 pmPDX - BFS

3 stops56h 39mMultiple Airlines

Deal found 7/30

$419

Sat 8/2311:59 pmPDX - BHD

2 stops25h 21mBritish Airways

Deal found 7/31

$421

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sat 8/23

11:59 pm-9:20 am

2 stops25h 21m

Belfast City

Sun 8/31

6:50 am-10:04 pm

2 stops23h 14m

$738

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Thu 9/18

1:08 pm-8:25 pm

2 stops47h 17m

$412

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Thu 9/18

4:46 pm-9:25 am

3 stops56h 39m

$419

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sat 8/23

11:59 pm-9:20 am

2 stops25h 21m

$421

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Best time to book a flight from Oregon to Northern Ireland

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

What is the cheapest time of day to fly from OR to NIR?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Oregon to Northern Ireland as you normally would.

Reviews of airlines servicing Northern Ireland

Read reviews from past customers who have flown British Airways from Oregon to Northern Ireland. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

British Airways

6.6

Okay

7,222 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,May 2025

LAX - LHR

Entertainment system did not work. Seems like Wi-Fi should have been comped at hat point. Boarding at Marco Polo in Venice was terrible. Insisted on gate checking our bag but not others! Connection was confused and flight was very late.

British Airways

6.6

Okay

7,222 reviews

British Airways

6.6

Okay

7,222 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,May 2025

LAX - LHR

Related info for your journey

Can I find deals for flights from Oregon to Northern Ireland that include hotel bookings?
Yes. In addition to deals on Oregon to Northern Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Oregon to Northern Ireland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oregon to Northern Ireland.
Can I find deals for business class flights from Oregon to Northern Ireland?
Yes. Cheapflights offers flight deals from Oregon to Northern 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 Northern Ireland?
Currently, February is the cheapest month in which you can book a flight from Oregon to Northern Ireland (average of $657). Flying from Oregon to Northern Ireland in June is currently the most expensive (average of $1,189). 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 Oregon to Northern Ireland

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Newark to Edinburgh flights

Reagan-National to Gatwick flights

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Top 2 airlines flying from Oregon to Northern Ireland

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$638	Average$870	FlexibilityNo cancel fee	On-time71%
British Airways	Cheapest$658	Average$847	FlexibilityNo cancel fee	On-time70%

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$412+ Cheap flights from Oregon to Northern 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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Oregon to Northern Ireland with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Oregon to Northern Ireland

Keep the following information in mind while searching for Oregon to Northern Ireland flight deals. Data was last updated July 31, 2025.

Round-trip from

One-way from

Find flight deals from Oregon to Northern Ireland

Cheapest flights from Oregon to Northern IrelandExplore the most affordable flight options available from Oregon to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Explore the most affordable flight options available from Oregon to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Oregon to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from Oregon with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Oregon to Northern Ireland

What is the cheapest time of day to fly from OR to NIR?

Find hourly flight availability from Oregon to Northern Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

Reviews of airlines servicing Northern Ireland

Read reviews from past customers who have flown British Airways from Oregon to Northern Ireland. Users can see the overall rating for each airline as well as how each is rated 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 Oregon to Northern Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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

Top 2 airlines flying from Oregon to Northern Ireland

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Book with Flexibility

Travel Smart

Cheapest flights from Oregon to Northern Ireland
Explore the most affordable flight options available from Oregon to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.