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Cheap flights from Portland to Belfast from £295

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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BHD
28 Nov — 5 Dec1
1 adult
1 adult, Economy, 0 bags

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 29 October 2025.

Round-trip from

£500

One-way from

£295
British Airways
  • British Airways
  • 5/1-12/1
  • 2 total stops
  • 31h 40m total
  • Portland to Belfast
Search Deals
British Airways
  • British Airways
  • 3/12
  • 1 total stop
  • 12h 30m total
  • Portland to Belfast
Search Deals

Find flight deals from Portland to Belfast

Enter your travel dates to find the best prices.

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 29 October 2025.

Wed 3/1217:45PDX - BHD
1 stop12h 30mBritish Airways
Wed 10/1211:25BHD - PDX
2 stops19h 58mBritish Airways
Deal found 28/10£509
Wed 3/1213:25PDX - BHD
1 stop23h 35mDelta
Wed 10/1206:30BHD - PDX
1 stop12h 55mDelta
Deal found 28/10£514
Wed 3/1207:04PDX - BHD
2 stops18h 06mMultiple Airlines
Wed 10/1211:25BHD - PDX
2 stops20h 54mMultiple Airlines
Deal found 27/10£556
Wed 12/1117:45PDX - BHD
1 stop14h 50mBritish Airways
Sun 16/1117:10BHD - PDX
1 stop30h 45mBritish Airways
Deal found 27/10£649
Wed 12/1117:45PDX - BHD
1 stop14h 50mAmerican Airlines
Sun 16/1106:30BHD - PDX
2 stops22h 45mAmerican Airlines
Deal found 27/10£762
Wed 3/1209:50PDX - BFS
3 stops22h 25mMultiple Airlines
Wed 10/1206:30BFS - PDX
2 stops18h 30mMultiple Airlines
Deal found 27/10£907
Wed 19/1110:30PDX - BFS
3 stops23h 25mMultiple Airlines
Tue 2/1208:35BFS - PDX
3 stops32h 40mMultiple Airlines
Deal found 28/10£1,312

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 29 October 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

Mon 5/1

17:45-16:05

1 stop14h 20m

Belfast City

Mon 12/1

06:35-15:55

1 stop17h 20m

£500

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 3/12

17:45-14:15

1 stop12h 30m

Belfast City

Wed 10/12

11:25-23:23

2 stops19h 58m

£509

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 3/12

13:25-21:00

1 stop23h 35m

Belfast City

Wed 10/12

06:30-11:25

1 stop12h 55m

£514

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 3/12

07:04-09:10

2 stops18h 06m

Belfast City

Wed 10/12

11:25-00:19

2 stops20h 54m

£556

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

17:45-18:40

1 stop16h 55m

Belfast City

Thu 5/3

17:45-15:55

1 stop30h 10m

£588

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Wed 3/12

09:50-16:15

3 stops22h 25m

Belfast Intl

Wed 10/12

06:30-17:00

2 stops18h 30m

£907

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Wed 19/11

10:30-17:55

3 stops23h 25m

Belfast Intl

Tue 2/12

08:35-09:15

3 stops32h 40m

£1,312

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 3/12

17:45-14:15

1 stop12h 30m

£295

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Wed 3/12

07:04-22:50

3 stops31h 46m

£301

Flights are sorted by cheapest return flights first.

Deals found on 27/10

Showing 1-10 of 11 results
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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 14h 20m. British Airways provides one of the quickest options available for as low as £500. Portland and Belfast are separated by a distance of 4585 mi. This flight may include one or multiple stops.

  • 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.

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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