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Cheap flights from Portland to Northern Ireland from £447

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BFS
20 Feb — 27 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap 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 21 January 2026.

Wed 4/317:45
PDX
-
BHD
1 stop12h 30m
British Airways
Sun 8/320:25
BHD
-
PDX
1 stop27h 30m
British Airways
Deal found 19/1£447
Mon 6/411:46
PDX
-
BHD
2 stops17h 09m
British Airways
Sun 12/419:10
BHD
-
PDX
1 stop30h 30m
British Airways
Deal found 19/1£474
Sun 7/619:30
PDX
-
BHD
1 stop14h 10m
British Airways
Mon 22/619:35
BHD
-
PDX
2 stops37h 13m
British Airways
Deal found 18/1£730
Fri 6/313:25
PDX
-
BFS
2 stops24h 35m
Multiple Airlines
Fri 13/306:30
BFS
-
PDX
2 stops18h 30m
Multiple Airlines
Deal found 20/1£815
Fri 20/310:32
PDX
-
BHD
2 stops20h 43m
Multiple Airlines
Fri 27/311:30
BHD
-
PDX
2 stops28h 53m
Multiple Airlines
Deal found 20/1£944
Fri 20/314:25
PDX
-
BFS
2 stops24h 35m
Multiple Airlines
Fri 27/306:30
BFS
-
PDX
3 stops33h 45m
Multiple Airlines
Deal found 20/1£1,814

Find 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 21 January 2026.

Round-trip from

£447
British Airways
  • British Airways
  • 4/3-8/3
  • 2 total stops
  • 45h 10m total
  • Portland to Northern Ireland
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Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 21 January 2026.
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

Wed 4/3

17:45-16:35

1 stop14h 50m

Belfast City

Sun 8/3

17:35-16:55

1 stop30h 20m

£447

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Mon 6/4

11:46-12:55

2 stops17h 09m

Belfast City

Sun 12/4

19:10-17:40

1 stop30h 30m

£474

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sun 7/6

19:30-17:40

1 stop14h 10m

Belfast City

Mon 22/6

09:40-17:40

1 stop16h 00m

£731

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Fri 6/3

13:25-22:00

2 stops24h 35m

Belfast Intl

Fri 13/3

06:30-18:00

2 stops18h 30m

£815

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Fri 20/3

10:32-14:15

2 stops20h 43m

Belfast City

Fri 27/3

11:30-09:23

2 stops28h 53m

£944

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Fri 20/3

05:40-10:30

2 stops21h 50m

Belfast City

Fri 27/3

08:45-22:02

2 stops20h 17m

£1,003

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Fri 20/3

14:25-22:00

2 stops24h 35m

Belfast Intl

Fri 27/3

06:30-09:15

3 stops33h 45m

£1,814

Flights are sorted by cheapest return flights first.

Deals found on 18/1

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

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?

    Airlines like British Airways fly from Portland to Northern Ireland in about 14h 50m. 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.

See more FAQs

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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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