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Northern Ireland

$645+ Cheap flights from Portland (PDX) to Northern Ireland

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BFS
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Portland to Northern Ireland

Keep the following information in mind while searching for Portland to Northern Ireland flight deals. Data was last updated September 15, 2025.

Round-trip from

$645
(Finnair)
From Portland to Northern Ireland
Search Deals

Find flight deals from Portland to Northern Ireland

Cheapest flights from Portland to Northern Ireland
Explore the most affordable flight options available from Portland to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Finnair deal was found by Cheapflights users on 9/13. 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 11/131:26 pmPDX - BHD
2 stops16h 34mMultiple Airlines
Thu 11/2011:05 amBHD - PDX
2 stops19h 47mMultiple Airlines
Deal found 9/13$645
This American Airlines deal was found by Cheapflights users on 9/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/110:59 amPDX - BHD
2 stops16h 56mMultiple Airlines
Wed 10/86:50 amBHD - PDX
2 stops19h 06mMultiple Airlines
Deal found 9/13$660
This Trip.com deal was found by Cheapflights users on 9/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/287:12 amPDX - BFS
2 stops23h 13mMultiple Airlines
Tue 11/48:55 pmBFS - PDX
2 stops47h 11mMultiple Airlines
Deal found 9/13$681
This Delta deal was found by Cheapflights users on 9/13. 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 10/81:30 pmPDX - BHD
2 stops23h 45mDelta
Sun 10/126:30 amBHD - PDX
1 stop12h 30mDelta
Deal found 9/13$726
This Delta deal was found by Cheapflights users on 9/13. 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 10/11:20 pmPDX - BHD
2 stops19h 35mDelta
Wed 10/86:30 amBHD - PDX
1 stop12h 50mDelta
Deal found 9/13$905
This Ovago deal was found by Cheapflights users on 9/14. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/87:00 amPDX - BHD
2 stops20h 55mBritish Airways
Sun 10/126:50 amBHD - PDX
2 stops22h 47mBritish Airways
Deal found 9/14$974
This KLM deal was found by Cheapflights users on 9/14. 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 10/81:15 pmPDX - BHD
1 stop24h 00mKLM
Sun 10/126:30 amBHD - PDX
1 stop12h 30mKLM
Deal found 9/14$1,000
This Ovago deal was found by Cheapflights users on 9/13. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/17:25 pmPDX - BHD
1 stop29h 20mBritish Airways
Wed 10/811:30 amBHD - PDX
1 stop14h 05mBritish Airways
Deal found 9/13$1,003
This Orbitz deal was found by Cheapflights users on 9/13. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/267:00 amPDX - BHD
2 stops23h 55mMultiple Airlines
Mon 10/277:25 pmBHD - PDX
2 stops33h 22mMultiple Airlines
Deal found 9/13$1,016

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Northern 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 September 15, 2025.
Use the filters below to find and compare flights from Portland to Northern Ireland that are best for you.

Fly from

Portland

Fly to

Northern Ireland

Route

Depart

Return

Price

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Thu 11/13

1:26 pm-2:00 pm

2 stops16h 34m

Belfast City

Thu 11/20

11:05 am-10:52 pm

2 stops19h 47m

$645

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Tue 10/28

7:12 am-1:25 pm

2 stops23h 13m

Belfast Intl

Tue 11/4

8:55 pm-12:06 pm

2 stops47h 11m

$681

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 10/8

1:30 pm-9:15 pm

2 stops23h 45m

Belfast City

Sun 10/12

6:30 am-11:00 am

1 stop12h 30m

$726

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 10/1

1:20 pm-4:55 pm

2 stops19h 35m

Belfast City

Wed 10/8

6:30 am-11:20 am

1 stop12h 50m

$905

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 10/8

7:00 am-11:55 am

2 stops20h 55m

Belfast City

Sun 10/12

6:50 am-9:37 pm

2 stops22h 47m

$974

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 10/8

1:15 pm-9:15 pm

1 stop24h 00m

Belfast City

Sun 10/12

6:30 am-11:00 am

1 stop12h 30m

$1,000

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sun 10/26

7:00 am-1:55 pm

2 stops23h 55m

Belfast City

Mon 10/27

7:25 pm-9:47 pm

2 stops33h 22m

$1,016

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Best time to book a flight from Portland to Northern Ireland

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

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

Find hourly flight availability from Portland 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 September 15, 2025.

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

Reviews of airlines servicing Northern Ireland

Get insights into the airlines that provide service to Northern Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Northern Ireland. Reviews last updated September 15, 2025.
Peruse reviews from past customers who have flown with British Airways from Portland to Northern Ireland to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,361 reviews

Crew

7.6

Overall

6.7

Boarding

6.9

Entertainment

6.4

Comfort

6.7

Food

6.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.
British Airways
6.7
Okay
7,361 reviews
British Airways
6.7
Okay
7,361 reviews

Crew

7.6

Overall

6.7

Boarding

6.9

Entertainment

6.4

Comfort

6.7

Food

6.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.

Related info for your journey

Find useful and relevant information for your journey from Portland to Northern 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 Northern Ireland?

    Portland (PDX), located 6.0 mi from the city center, is the airport you fly out of when you book flights from Portland to Northern Ireland.

  • How long is the flight from Portland to Northern Ireland?

    Departing from Portland to Northern Ireland will take you 23h 45m. The distance from Portland to Northern Ireland is about 4585 mi.

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

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

  • How can I find direct flights from Portland to Northern Ireland?

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

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

    Yes. Cheapflights offers flight deals from Portland 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 Portland to Northern Ireland?

    Currently, February is the cheapest month in which you can book a flight from Portland to Northern Ireland (average of $657). Flying from Portland 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

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Alternative routes for Portland to Northern Ireland

See prices for flight routes from nearby airports that may be better suited for you.
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Portland to Leeds flights
Portland to Belfast Intl flights
Portland to Belfast City flights
Medford to Gatwick flights
Boise to Cardiff flights
Medford to Manchester flights
Eugene to Glasgow Intl flights
Portland to Sumburgh/Shetland flights
Portland to Southend flights
Medford to Glasgow Intl flights
Boise to Birmingham flights
Redmond to Southampton flights

Top airline flying from Portland to Northern Ireland

Discover the top airline that operate flights from Portland to Northern 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$659Average$838FlexibilityNo cancel feeOn-time70%

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