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$788+ Cheap flights from Portland (PDX) to Belfast

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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BHD
Jun 18 — Jun 251
Thu 6/18
Thu 6/25
1 adult, Economy
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Cheap 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 May 19, 2026.

This British Airways deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/237:30 pm
PDX
-
BHD
1 stop14h 10m
British Airways
Wed 8/267:40 pm
BHD
-
PDX
1 stop30h 00m
British Airways
Deal found 5/14$910
This Delta deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/141:05 pm
PDX
-
BHD
1 stop19h 50m
Delta
Thu 7/235:30 pm
BHD
-
PDX
1 stop25h 40m
Delta
Deal found 5/18$1,172
This Justfly.com deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/147:30 pm
PDX
-
BHD
1 stop15h 25m
British Airways
Thu 7/236:30 am
BHD
-
PDX
2 stops25h 34m
British Airways
Deal found 5/16$1,175
This Mytrip deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/112:30 pm
PDX
-
BFS
2 stops24h 20m
Multiple Airlines
Thu 6/1810:45 pm
BFS
-
PDX
3 stops47h 05m
Multiple Airlines
Deal found 5/14$1,303
This Mytrip deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/153:30 pm
PDX
-
BFS
2 stops19h 35m
Multiple Airlines
Sun 6/216:00 pm
BFS
-
PDX
2 stops27h 10m
Multiple Airlines
Deal found 5/18$1,381

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 May 19, 2026.

Round-trip from

$910
(British Airways)

One-way from

$333
(Cheapflightsfares)
From Portland to Belfast
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One-way flight from Portland to Belfast
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Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated May 19, 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 round-trip
Quickest round-trip

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sun 8/23

7:30 pm-5:40 pm

1 stop14h 10m

Belfast City

Wed 8/26

7:40 pm-5:40 pm

1 stop30h 00m

$910

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Thu 6/11

2:30 pm-10:50 pm

2 stops24h 20m

Belfast Intl

Thu 6/18

10:45 pm-1:50 pm

3 stops47h 05m

$1,303

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Mon 6/15

2:30 pm-7:05 pm

2 stops20h 35m

Belfast Intl

Sun 6/21

8:25 am-9:31 am

3 stops33h 06m

$1,754
Cheapest one-way

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Tue 9/29

1:50 pm-8:50 am

2 stops35h 00m

$788
Quickest one-way

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Tue 9/29

11:24 am-8:55 pm

3 stops25h 31m

$1,371

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/14

Sorted by cheapest first

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 round-trip 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?

    For a flight from Portland to Belfast, you will be flying from Portland. Portland (PDX) is just 6.0 mi from the center of the city. Portland is the only Portland airport and it handles 0 outbound flights to Belfast per day. 1 airline has flights to Belfast from Portland on a regular basis.

  • How long is the flight from Portland to Belfast?

    Airlines like British Airways fly from Portland to Belfast in about 14h 10m. The time it takes to get you to your destination can typically vary by up to . The distance between Portland and Belfast is about 4585 mi.

  • What is the cheapest airline to fly from Portland to Belfast round-trip?

    Flying on British Airways is currently your cheapest option to Belfast, with prices starting at $720.

  • 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 vacation 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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Complete your trip

Complete your trip to Belfast by adding a car rental and/or hotel reservation to your travel itinerary.
Belfast car rentals
Belfast Intl Airport car rentals

Top airline flying from Portland to Belfast

Discover the top airline that operate flights from Portland to Belfast. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$720Average$1,678FlexibilityNo cancel feeOn-time70%

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