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Cheap flights from Portland to Northern Ireland from £534

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BFS
16 Oct — 23 Oct1
1 adult
1 adult, Economy

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 16 September 2025.

Round-trip from

£534
Delta
  • Delta
  • 8/10-12/10
  • 3 total stops
  • 34h 26m total
  • Portland to Northern Ireland
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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 16 September 2025.

Wed 8/1015:19PDX - BHD
2 stops21h 56mDelta
Sun 12/1006:30BHD - PDX
1 stop12h 30mDelta
Deal found 14/9£534
Wed 8/1007:00PDX - BHD
2 stops20h 55mBritish Airways
Sun 12/1006:50BHD - PDX
2 stops22h 47mBritish Airways
Deal found 14/9£717
Wed 8/1013:15PDX - BHD
1 stop24h 00mKLM
Sun 12/1006:30BHD - PDX
1 stop12h 30mKLM
Deal found 14/9£736

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 16 September 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

Wed 8/10

15:19-21:15

2 stops21h 56m

Belfast City

Sun 12/10

06:30-11:00

1 stop12h 30m

£534

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 8/10

07:00-11:55

2 stops20h 55m

Belfast City

Sun 12/10

06:50-21:37

2 stops22h 47m

£717

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 8/10

13:15-21:15

1 stop24h 00m

Belfast City

Sun 12/10

06:30-11:00

1 stop12h 30m

£736

Flights are sorted by cheapest return flights first.

Deals found on 14/9

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 Delta, British Airways, and KLM fly from Portland to Northern Ireland in about 20h 55m. The time it takes to get you to your destination can typically vary by up to 3h 05m. There are 4585 mi between Portland and Northern Ireland. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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.

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

    Currently, January is the cheapest month in which you can book a flight from Portland to Northern Ireland (average of £67). Flying from Portland to Northern Ireland in July is currently the most expensive (average of £90). 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.

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

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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.

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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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