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Cheap flights from Oregon to Belfast from £288

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 23/9. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BHD
13 Sep — 20 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Oregon to Belfast

Enter your travel dates to find the best prices.

Cheapest flights from Oregon to Belfast
Explore the most affordable flight options available from Oregon to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 August 2026.

Mon 28/915:30 -
2 stops21h 10m
Mon 5/1006:10 -
3 stops20h 56m
Deal found 13/8£792
Thu 10/914:30 -
2 stops24h 20m
Wed 16/906:15 -
3 stops35h 16m
Deal found 11/8£834

Find flight deals from Oregon to Belfast

Keep the following information in mind while searching for Oregon to Belfast flight deals. Data was last updated 14 August 2026.

Round-trip from

£680

One-way from

£288
British Airways
  • British Airways
  • 31/1-2/2
  • 2 total stops
  • 46h 00m total
  • Oregon to Belfast
Search Deals
23/9
  • 23/9
  • 3 total stops
  • 20h 45m total
  • Oregon to Belfast
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Oregon 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 14 August 2026.
Use the filters below to find and compare flights from Oregon to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortlandBelfast

PDX Portland - BHD Belfast City

PDXBHD

Portland

Mon 11/1

17:45-17:25

1 stop15h 40m

Belfast City

Fri 15/1

08:45-15:50

1 stop15h 05m

£680

PortlandBelfast

PDX Portland - BHD Belfast City

PDXBHD

Portland

Sun 31/1

17:45-16:50

1 stop15h 05m

Belfast City

Tue 2/2

16:55-15:50

1 stop30h 55m

£680

PortlandBelfast

PDX Portland - BHD Belfast City

PDXBHD

Portland

Fri 29/1

13:20-16:50

1 stop19h 30m

Belfast City

Sun 7/2

17:20-11:20

1 stop26h 00m

£735
Fastest return journey

PortlandBelfast

PDX Portland - BHD Belfast City

PDXBHD

Portland

Fri 29/1

17:45-14:05

1 stop12h 20m

Belfast City

Sun 7/2

06:30-15:50

1 stop17h 20m

£736

PortlandBelfast

PDX Portland - BFS Belfast Intl

PDXBFS

Portland

Mon 28/9

15:30-20:40

2 stops21h 10m

Belfast Intl

Mon 5/10

06:10-19:06

3 stops20h 56m

£792

PortlandBelfast

PDX Portland - BFS Belfast Intl

PDXBFS

Portland

Thu 10/9

14:30-22:50

2 stops24h 20m

Belfast Intl

Wed 16/9

06:15-09:31

3 stops35h 16m

£834
Cheapest one-way

PortlandBelfast

PDX Portland - BFS Belfast Intl

PDXBFS

Portland

Wed 23/9

15:30-20:15

3 stops20h 45m

£288

PortlandBelfast

PDX Portland - BFS Belfast Intl

PDXBFS

Portland

Fri 11/9

19:00-07:55

3 stops28h 55m

£296

PortlandBelfast

PDX Portland - BHD Belfast City

PDXBHD

Portland

Fri 11/9

19:00-14:55

3 stops35h 55m

£309
Fastest single journey

PortlandBelfast

PDX Portland - BHD Belfast City

PDXBHD

Portland

Fri 11/9

19:30-20:35

1 stop17h 05m

£460

Flights are sorted by cheapest return flights first.

Deals found on 13/8

Sorted by cheapest first

Best time to book a flight from Oregon to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast from Oregon 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 Oregon 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 Oregon to Belfast. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Oregon to Belfast?

    Airlines like British Airways and Delta fly from Oregon to Belfast in about 15h 40m. The time it takes to get you to your destination can typically vary by up to 3h 50m. Oregon 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 Oregon to Belfast that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Oregon 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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Cheapflights makes it easy to find Oregon to Belfast flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Oregon to Belfast?

Cheapflights helps you find that perfect flight to Belfast from Oregon by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes, we can. To see specific flights from Oregon to Belfast with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Oregon to Belfast become cheaper?

Not ready to book yet? You can track prices for flights from Oregon to Belfast on Cheapflights with our Price Alert feature and get notified when better prices are available.

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