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Cheap flights from Portland to Northern Ireland from £246

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 27/9. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BFS
12 Jun — 19 Jun1
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 13 May 2026.

Sun 23/819:30
PDX
-
BHD
1 stop15h 15m
British Airways
Wed 26/818:20
BHD
-
PDX
1 stop31h 20m
British Airways
Deal found 8/5£672
Tue 9/610:10
PDX
-
BFS
3 stops25h 40m
Multiple Airlines
Mon 15/622:20
BFS
-
PDX
3 stops47h 30m
Multiple Airlines
Deal found 12/5£736
Sat 1/813:05
PDX
-
BHD
1 stop12h 15m
Virgin Atlantic
Sat 15/817:30
BHD
-
PDX
1 stop25h 40m
Virgin Atlantic
Deal found 8/5£851
Sat 1/807:00
PDX
-
BHD
2 stops18h 20m
KLM
Sat 15/809:50
BHD
-
PDX
1 stop33h 20m
KLM
Deal found 8/5£854
Sun 7/614:30
PDX
-
BHD
2 stops16h 25m
Multiple Airlines
Sun 14/607:00
BHD
-
PDX
3 stops38h 50m
Multiple Airlines
Deal found 8/5£856
Sun 7/613:05
PDX
-
BHD
1 stop12h 15m
Virgin Atlantic
Sun 14/617:30
BHD
-
PDX
1 stop25h 40m
Virgin Atlantic
Deal found 8/5£869
Sun 7/614:30
PDX
-
BFS
2 stops19h 55m
Multiple Airlines
Sun 14/618:00
BFS
-
PDX
2 stops27h 10m
Multiple Airlines
Deal found 8/5£912
Wed 24/614:30
PDX
-
BFS
2 stops20h 45m
Multiple Airlines
Wed 1/705:55
BFS
-
PDX
3 stops39h 55m
Multiple Airlines
Deal found 10/5£929
Sat 1/815:30
PDX
-
BFS
3 stops19h 25m
Multiple Airlines
Sat 15/817:10
BFS
-
PDX
3 stops32h 45m
Multiple Airlines
Deal found 8/5£1,056
Mon 22/610:10
PDX
-
BFS
3 stops25h 10m
Multiple Airlines
Mon 29/620:35
BFS
-
PDX
2 stops23h 10m
Multiple Airlines
Deal found 8/5£1,212

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 13 May 2026.

Round-trip from

£672

One-way from

£246
British Airways
  • British Airways
  • 23/8-26/8
  • 2 total stops
  • 46h 35m total
  • Portland to Northern Ireland
Search Deals
British Airways
  • British Airways
  • 27/9
  • 1 total stop
  • 15h 15m total
  • Portland to Northern Ireland
Search Deals

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 13 May 2026.
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

Cheapest return flight
Fastest return journey

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sun 23/8

19:30-18:45

1 stop15h 15m

Belfast City

Wed 26/8

20:35-17:40

1 stop29h 05m

£672

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Tue 9/6

10:10-19:50

3 stops25h 40m

Belfast Intl

Mon 15/6

22:20-13:50

3 stops47h 30m

£736

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Sun 7/6

14:30-18:25

2 stops19h 55m

Belfast Intl

Sun 14/6

22:00-11:45

3 stops45h 45m

£925

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Wed 24/6

14:30-19:15

2 stops20h 45m

Belfast Intl

Wed 1/7

05:55-13:50

3 stops39h 55m

£929

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Sat 1/8

15:30-18:55

3 stops19h 25m

Belfast Intl

Sat 15/8

17:10-17:55

3 stops32h 45m

£1,056

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Mon 22/6

13:05-19:20

2 stops22h 15m

Belfast Intl

Mon 29/6

20:35-11:45

2 stops23h 10m

£1,230
Cheapest one-way
Fastest single journey

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sun 27/9

19:30-18:45

1 stop15h 15m

£246

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sun 27/9

13:31-14:35

2 stops17h 04m

£251

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Tue 30/6

21:48-19:15

3 stops37h 27m

£404

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Tue 30/6

14:30-13:20

3 stops38h 50m

£436

Flights are sorted by cheapest return flights first.

Deals found on 10/5

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

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 15h 15m. 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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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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