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Cheap flights from Portland to Belfast from £300

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 23/8. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BHD
7 Jul — 14 Jul1
1 adult

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 2 July 2025.

Round-trip from

£497

One-way from

£300
British Airways
  • British Airways
  • 10/8-25/8
  • 4 total stops
  • 46h 38m total
  • Portland to Belfast
Search Deals
British Airways
  • British Airways
  • 23/8
  • 2 total stops
  • 17h 52m 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 2 July 2025.

Sun 10/813:20PDX - BHD
2 stops17h 20mBritish Airways
Mon 25/819:30BHD - PDX
2 stops29h 18mBritish Airways
Deal found 2/7£497
Sat 27/915:20PDX - BFS
2 stops20h 10mMultiple Airlines
Fri 3/1007:05BFS - PDX
2 stops18h 50mMultiple Airlines
Deal found 1/7£513
Sat 23/807:00PDX - BHD
2 stops19h 10mMultiple Airlines
Sun 31/806:50BHD - PDX
2 stops17h 13mMultiple Airlines
Deal found 1/7£524
Wed 1/1013:40PDX - BHD
2 stops19h 15mKLM
Thu 9/1017:25BHD - PDX
1 stop25h 40mKLM
Deal found 2/7£544
Wed 10/913:46PDX - BHD
2 stops23h 29mDelta
Wed 17/906:30BHD - PDX
2 stops17h 21mDelta
Deal found 1/7£551
Sat 27/907:00PDX - BHD
2 stops19h 10mIberia
Fri 3/1016:20BHD - PDX
2 stops37h 07mIberia
Deal found 1/7£697

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 2 July 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

Sun 10/8

13:20-14:40

2 stops17h 20m

Belfast City

Mon 25/8

19:30-16:48

2 stops29h 18m

£497

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Sat 27/9

15:20-19:30

2 stops20h 10m

Belfast Intl

Fri 3/10

07:05-17:55

2 stops18h 50m

£513

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sat 23/8

07:00-10:10

2 stops19h 10m

Belfast City

Sun 31/8

06:50-16:03

2 stops17h 13m

£524

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 1/10

13:40-16:55

2 stops19h 15m

Belfast City

Thu 9/10

17:25-11:05

1 stop25h 40m

£544

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 10/9

13:46-21:15

2 stops23h 29m

Belfast City

Wed 17/9

06:30-15:51

2 stops17h 21m

£551

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sat 27/9

07:00-10:10

2 stops19h 10m

Belfast City

Fri 3/10

16:20-21:27

2 stops37h 07m

£697

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sat 23/8

10:23-10:10

2 stops15h 47m

£300

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sat 23/8

13:15-16:55

1 stop19h 40m

£458

Flights are sorted by cheapest return flights first.

Deals found on 2/7

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.

Reviews of airlines servicing Belfast

Get insights into the airlines that provide service to Belfast. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Belfast. Reviews last updated 2 July 2025.
Get a feel of what it's like to fly with Delta, KLM, andAir France from Portland to Belfast by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,975 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very Good
7,975 reviews
Delta
8.0
Very Good
7,975 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,366 reviews
Delta
8.0
Very Good
7,975 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,472 reviews
Delta
8.0
Very Good
7,975 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Iberia
7.0
Good
2,818 reviews
Delta
8.0
Very Good
7,975 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
British Airways
6.6
Okay
7,089 reviews
Delta
8.0
Very Good
7,975 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines flying from Portland to Belfast round-trip?

    Currently priced at £497, British Airways will fly you from Portland to Belfast and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from KLM and Delta - these airlines can fly you to your destination from £544 and £551, respectively.

  • 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

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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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