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Cheap flights from Portland to Belfast from £250

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 14/10. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BHD
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Portland to Belfast

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Belfast (BF1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 September 2025.

Round-trip from

£503

One-way from

£250
Delta
  • Delta
  • 8/10-12/10
  • 3 total stops
  • 36h 15m total
  • Portland to Belfast
Search Deals
14/10
  • 14/10
  • 2 total stops
  • 54h 05m total
  • Portland to Belfast
Search Deals

Find flight deals from Portland to Belfast

Cheapest flights from Portland to Belfast
Explore the most affordable flight options available from Portland to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2025.

Wed 8/1013:30PDX - BHD
2 stops23h 45mDelta
Sun 12/1006:30BHD - PDX
1 stop12h 30mDelta
Deal found 17/9£503
Wed 8/1007:00PDX - BHD
2 stops20h 55mBritish Airways
Sun 12/1020:05BHD - PDX
2 stops35h 03mBritish Airways
Deal found 17/9£718
Fri 31/1009:50PDX - BFS
3 stops23h 55mMultiple Airlines
Fri 7/1106:30BFS - PDX
2 stops18h 30mMultiple Airlines
Deal found 16/9£1,524

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portland to Belfast 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 18 September 2025.
Use the filters below to find and compare flights from Portland to Belfast that are best for you.

Fly from

Portland

Fly to

Belfast

Route

Depart

Return

Price

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 8/10

13:30-21:15

2 stops23h 45m

Belfast City

Sun 12/10

06:30-11:00

1 stop12h 30m

£503

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Fri 31/10

09:50-16:45

3 stops23h 55m

Belfast Intl

Fri 7/11

06:30-17:00

2 stops18h 30m

£1,524

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Tue 14/10

17:45-07:50

2 stops54h 05m

£250

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Best time to book a flight from Portland to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast 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 Belfast
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 Belfast. 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 Belfast?

    Portland (PDX), located 6.0 mi from the city center, is the airport you fly out of when you book flights from Portland to Belfast. 0 airlines have flights from Portland to Belfast on a regular basis. Booking flights from Portland to Belfast should not be difficult; the airport handles an average of 0 outbound flights to Belfast per day.

  • How long is the flight from Portland to Belfast?

    A quick flight from Portland to Belfast can take about 23h 45m. Delta provides one of the quickest options available for as low as £503. Portland and Belfast are separated by a distance of 4585 mi.

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

    Yes. In addition to deals on Portland to Belfast flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Portland to Belfast?

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

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

    Yes. Cheapflights offers flight deals from Portland to Belfast 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 Belfast?

    Currently, January is the cheapest month in which you can book a flight from Portland to Belfast (average of £67). Flying from Portland to Belfast 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.

See more FAQs

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Alternative routes for Portland to Belfast

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Belfast Intl flights
Portland to Belfast City flights

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 Belfast?

Cheapflights helps you search for flights from Portland to Belfast 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 Belfast?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Belfast from Portland.

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

Certainly. Search results for flights to Belfast 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 Belfast become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Belfast from Portland today and book when prices fit your budget.

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