How long is the flight from Portland to Northern Ireland?

Airlines like British Airways fly from Portland to Northern Ireland in about 14h 45m. The time it takes to get you to your destination can typically vary by up to . There are 4585 mi between Portland and Northern Ireland.

In terms of precipitation, rainfall in Northern Ireland ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Northern Ireland when rainfall is around 50.0 mm.

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 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

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

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.

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.

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 holiday 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.

£313+ Flights from Portland to Northern Ireland

Find flight deals from Portland to Northern Ireland

Enter your travel dates to find the best prices.

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 24 October 2025.

Thu 25/1209:19PDX - BHD

2 stops23h 31mKLM

Thu 8/117:20BHD - PDX

1 stop26h 05mKLM

Deal found 22/10£658

Thu 25/1212:29PDX - BHD

2 stops20h 21mVirgin Atlantic

Thu 8/117:20BHD - PDX

2 stops36h 15mVirgin Atlantic

Deal found 22/10£666

Wed 24/1217:15PDX - BHD

2 stops39h 35mKLM

Fri 9/117:20BHD - PDX

2 stops36h 15mKLM

Deal found 22/10£670

Wed 24/1217:45PDX - BHD

1 stop29h 45mBritish Airways

Fri 9/106:45BHD - PDX

1 stop17h 10mBritish Airways

Deal found 22/10£842

Wed 24/1217:45PDX - BHD

1 stop29h 45mMultiple Airlines

Fri 9/119:35BHD - PDX

2 stops26h 25mMultiple Airlines

Deal found 22/10£847

Sat 6/1214:45PDX - BFS

2 stops22h 30mMultiple Airlines

Sat 13/1207:55BFS - PDX

3 stops21h 25mMultiple Airlines

Deal found 22/10£849

Mon 8/1214:45PDX - BFS

3 stops22h 45mMultiple Airlines

Mon 15/1208:35BFS - PDX

2 stops16h 25mMultiple Airlines

Deal found 23/10£910

Thu 25/1209:50PDX - BFS

3 stops26h 35mMultiple Airlines

Thu 8/121:05BFS - PDX

3 stops29h 25mMultiple Airlines

Deal found 22/10£2,252

Best flights from Portland to Northern Ireland
Discover carefully curated flight deals from Portland to Northern Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 24 October 2025.

Thu 26/308:01PDX - BHD

2 stops22h 59mMultiple Airlines

Thu 16/406:35BHD - PDX

1 stop19h 05mMultiple Airlines

Deal found 23/10£539

Fri 3/419:30PDX - BHD

1 stop14h 45mBritish Airways

Tue 7/409:35BHD - PDX

1 stop16h 05mBritish Airways

Deal found 23/10£558

Fri 3/413:25PDX - BHD

2 stops23h 55mDelta

Tue 7/406:30BHD - PDX

1 stop12h 50mDelta

Deal found 23/10£607

Sun 1/311:10PDX - BHD

2 stops21h 40mVirgin Atlantic

Thu 5/317:20BHD - PDX

1 stop26h 05mVirgin Atlantic

Deal found 23/10£607

Sun 1/317:45PDX - BHD

1 stop15h 05mBritish Airways

Thu 5/315:05BHD - PDX

1 stop32h 50mBritish Airways

Deal found 23/10£588

Sun 1/313:25PDX - BHD

1 stop19h 25mDelta

Thu 5/306:30BHD - PDX

2 stops20h 48mDelta

Deal found 21/10£611

Sat 6/1214:45PDX - BFS

2 stops22h 30mMultiple Airlines

Sat 13/1207:55BFS - PDX

3 stops21h 25mMultiple Airlines

Deal found 22/10£849

Mon 8/1214:45PDX - BFS

3 stops22h 45mMultiple Airlines

Mon 15/1208:35BFS - PDX

2 stops16h 25mMultiple Airlines

Deal found 23/10£910

Thu 26/315:45PDX - BFS

2 stops21h 40mMultiple Airlines

Thu 16/408:10BFS - PDX

2 stops18h 20mMultiple Airlines

Deal found 23/10£946

Thu 25/1209:50PDX - BFS

3 stops26h 35mMultiple Airlines

Thu 8/121:05BFS - PDX

3 stops29h 25mMultiple Airlines

Deal found 22/10£2,252

Cheap flight deals from Portland to Northern Ireland

Round-trip from	£539
One-way from	£313

26/3-16/4
3 total stops
42h 04m total
Portland to Northern Ireland

Search Deals

Delta
7/12
1 total stop
23h 35m total
Portland to Northern Ireland

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Thu 26/3

08:01-14:00

2 stops22h 59m

Belfast City

Thu 16/4

06:35-17:40

1 stop19h 05m

£539

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Fri 3/4

19:30-18:15

1 stop14h 45m

Belfast City

Tue 7/4

09:35-17:40

1 stop16h 05m

£558

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sun 1/3

17:45-16:50

1 stop15h 05m

Belfast City

Thu 5/3

15:05-15:55

1 stop32h 50m

£588

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Fri 3/4

13:25-21:20

2 stops23h 55m

Belfast City

Tue 7/4

06:30-11:20

1 stop12h 50m

£607

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sun 1/3

11:10-16:50

2 stops21h 40m

Belfast City

Thu 5/3

17:20-11:25

1 stop26h 05m

£607

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sun 1/3

13:25-16:50

1 stop19h 25m

Belfast City

Thu 5/3

06:30-19:18

2 stops20h 48m

£611

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Sat 6/12

14:45-21:15

2 stops22h 30m

Belfast Intl

Sat 13/12

07:55-21:20

3 stops21h 25m

£849

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Mon 8/12

14:45-21:30

3 stops22h 45m

Belfast Intl

Mon 15/12

08:35-17:00

2 stops16h 25m

£910

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Thu 26/3

15:45-20:25

2 stops21h 40m

Belfast Intl

Thu 16/4

08:10-18:30

2 stops18h 20m

£946

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Thu 25/12

09:50-20:25

3 stops26h 35m

Belfast Intl

Thu 8/1

21:05-18:30

3 stops29h 25m

£2,252

Flights are sorted by cheapest return flights first.

Deals found on 23/10

Showing 1-10 of 12 results

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 return 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

No data available for this route at this time. Please check back soon.

Related info for your journey

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?
Airlines like British Airways fly from Portland to Northern Ireland in about 14h 45m. The time it takes to get you to your destination can typically vary by up to . There are 4585 mi between Portland and Northern Ireland.
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 holiday 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.

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How does Cheapflights help users find flights from Portland to Northern Ireland?

Cheapflights helps you search for flights from Portland to Northern Ireland via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Portland to Northern Ireland?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Portland to Northern Ireland for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Portland to Northern Ireland with no change fees?

Certainly. Search results for flights to Northern Ireland from Portland shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Portland to Northern Ireland become cheaper?

Not ready to book yet? You can track prices for flights from Portland to Northern Ireland on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from Portland to Northern Ireland from £313

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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.

Find flight deals from Portland to Northern Ireland

Cheapest flights from Portland to Northern IrelandExplore 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 24 October 2025.

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 24 October 2025.

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 24 October 2025.

Round-trip from

One-way from

Cheapflights Fare Finder

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

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.

Cheapflights Insights

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

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?

How long is the flight from Portland to Northern Ireland?

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

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

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

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

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Portland to Northern Ireland?

Why should you use Cheapflights to find cheap flight tickets from Portland to Northern Ireland?

Can Cheapflights find flights from Portland to Northern Ireland with no change fees?

Can Cheapflights notify me if prices for flights from Portland to Northern Ireland become cheaper?

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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 24 October 2025.