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Cheap flights from Portland to Belfast from £226

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 26/10. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BHD
27 Jul — 3 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap 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 27 June 2026.

Sat 7/1107:00
PDX
-
BHD
2 stops25h 50m
Virgin Atlantic
Wed 11/1109:40
BHD
-
PDX
2 stops22h 07m
Virgin Atlantic
Deal found 23/6£250
Sat 7/1113:28
PDX
-
BHD
2 stops36h 52m
British Airways
Wed 11/1109:15
BHD
-
PDX
1 stop14h 35m
British Airways
Deal found 23/6£716
Mon 10/812:50
PDX
-
BHD
2 stops18h 40m
American Airlines
Wed 19/806:30
BHD
-
PDX
2 stops19h 30m
American Airlines
Deal found 24/6£740
Tue 11/819:30
PDX
-
BHD
1 stop14h 05m
British Airways
Wed 19/810:05
BHD
-
PDX
2 stops21h 54m
British Airways
Deal found 24/6£749
Sun 9/813:05
PDX
-
BHD
1 stop12h 15m
Delta
Wed 19/809:50
BHD
-
PDX
2 stops18h 27m
Delta
Deal found 24/6£786
Sat 7/1114:45
PDX
-
BFS
3 stops21h 30m
Multiple Airlines
Wed 11/1106:25
BFS
-
PDX
2 stops18h 35m
Multiple Airlines
Deal found 23/6£798
Sat 5/912:50
PDX
-
BHD
2 stops37h 40m
British Airways
Sun 20/919:10
BHD
-
PDX
2 stops32h 26m
British Airways
Deal found 25/6£798
Sat 5/914:08
PDX
-
BHD
2 stops18h 47m
Delta
Sun 20/917:30
BHD
-
PDX
1 stop25h 40m
Delta
Deal found 25/6£823
Wed 12/819:05
PDX
-
BFS
3 stops19h 15m
Multiple Airlines
Fri 21/807:05
BFS
-
PDX
3 stops38h 45m
Multiple Airlines
Deal found 26/6£966
Sun 9/814:30
PDX
-
BFS
2 stops19h 55m
Multiple Airlines
Sun 16/821:25
BFS
-
PDX
3 stops44h 06m
Multiple Airlines
Deal found 26/6£981
Tue 11/815:30
PDX
-
BFS
2 stops22h 45m
Multiple Airlines
Fri 21/807:05
BFS
-
PDX
3 stops38h 45m
Multiple Airlines
Deal found 26/6£992

Find 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 27 June 2026.

Round-trip from

£250

One-way from

£226
Virgin Atlantic
  • Virgin Atlantic
  • 7/11-11/11
  • 4 total stops
  • 47h 57m total
  • Portland to Belfast
Search Deals
26/10
  • 26/10
  • 3 total stops
  • 46h 10m total
  • Portland to Belfast
Search Deals

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 27 June 2026.
Use the filters below to find and compare flights from Portland to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sat 7/11

13:28-10:20

2 stops36h 52m

Belfast City

Wed 11/11

09:15-15:50

1 stop14h 35m

£716
Fastest return journey

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sun 9/8

13:05-09:20

1 stop12h 15m

Belfast City

Wed 19/8

09:50-20:17

2 stops18h 27m

£786

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Sat 7/11

14:45-21:30

3 stops22h 45m

Belfast Intl

Wed 11/11

06:25-09:26

3 stops35h 01m

£813

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Thu 3/9

12:24-15:30

2 stops19h 06m

Belfast City

Sat 12/9

19:05-23:28

2 stops36h 23m

£830

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sat 7/11

14:45-20:35

2 stops21h 50m

Belfast City

Wed 11/11

07:25-09:26

3 stops34h 01m

£848

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Tue 1/12

08:00-10:30

2 stops18h 30m

Belfast City

Fri 4/12

06:45-15:50

1 stop17h 05m

£854

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Tue 3/11

13:28-18:40

2 stops21h 12m

Belfast City

Fri 6/11

06:45-15:50

1 stop17h 05m

£855

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Sun 9/8

14:30-18:25

2 stops19h 55m

Belfast Intl

Sun 16/8

21:25-09:31

3 stops44h 06m

£981

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Tue 11/8

15:30-22:15

2 stops22h 45m

Belfast Intl

Fri 21/8

07:05-13:50

3 stops38h 45m

£1,007

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Thu 6/8

15:30-21:40

2 stops22h 10m

Belfast Intl

Thu 13/8

06:40-13:50

3 stops39h 10m

£1,014

Flights are sorted by cheapest return flights first.

Deals found on 22/6

Showing 1-10 of 16 resultsSorted by cheapest first
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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 12h 15m. British Airways provides one of the quickest options available for as low as £786. 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

Browse thousands of different options on Cheapflights for your next trip

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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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