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$333+ 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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BHD
May 11 — May 181
Mon 5/11
Mon 5/18
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 April 11, 2026.

This British Airways deal was found by Cheapflights users on 4/9. 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.
Fri 8/217:30 pm
PDX
-
BHD
1 stop17h 05m
British Airways
Tue 8/258:25 pm
BHD
-
PDX
1 stop29h 15m
British Airways
Deal found 4/9$1,025
This British Airways deal was found by Cheapflights users on 4/6. 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 9/277:30 pm
PDX
-
BHD
1 stop15h 15m
British Airways
Thu 10/17:30 pm
BHD
-
PDX
2 stops34h 31m
British Airways
Deal found 4/6$1,114
This Air France deal was found by Cheapflights users on 4/10. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/31:05 pm
PDX
-
BHD
1 stop19h 50m
Multiple Airlines
Sun 5/319:50 am
BHD
-
PDX
1 stop33h 20m
Multiple Airlines
Deal found 4/10$1,127
This Booking.com deal was found by Cheapflights users on 4/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/36:22 am
PDX
-
BHD
2 stops20h 08m
British Airways
Sun 5/311:10 pm
BHD
-
PDX
2 stops42h 13m
British Airways
Deal found 4/10$1,180
This Mytrip deal was found by Cheapflights users on 4/10. 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.
Sun 5/37:11 am
PDX
-
BFS
2 stops27h 14m
Multiple Airlines
Sun 5/316:00 pm
BFS
-
PDX
2 stops27h 10m
Multiple Airlines
Deal found 4/10$1,550

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 April 11, 2026.

Round-trip from

$1,025
(British Airways)

One-way from

$333
(Cheapflightsfares)
From Portland to Belfast
Search Deals
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 April 11, 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

Fri 8/21

7:30 pm-8:35 pm

1 stop17h 05m

Belfast City

Tue 8/25

6:20 pm-5:40 pm

1 stop31h 20m

$1,025

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sun 9/27

7:30 pm-6:45 pm

1 stop15h 15m

Belfast City

Thu 10/1

7:30 pm-10:01 pm

2 stops34h 31m

$1,114

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sun 5/3

1:05 pm-4:55 pm

1 stop19h 50m

Belfast City

Sun 5/31

5:30 pm-5:15 pm

2 stops31h 45m

$1,136

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Sun 5/3

7:11 am-6:25 pm

2 stops27h 14m

Belfast Intl

Sun 5/31

10:10 pm-7:10 pm

3 stops29h 00m

$1,574
Cheapest one-way
Quickest one-way

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sun 9/27

7:30 pm-6:45 pm

1 stop15h 15m

$333

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sun 9/27

7:30 pm-6:45 pm

1 stop15h 15m

$345

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Thu 5/21

3:30 pm-11:20 pm

3 stops47h 50m

$421

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Sun 9/27

3:27 pm-10:00 am

3 stops34h 33m

$505

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Sun 5/10

7:18 pm-3:15 pm

3 stops59h 57m

$538

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sun 5/10

1:52 pm-11:55 am

3 stops38h 03m

$559

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/9

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

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.

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 April 11, 2026.
Peruse reviews from past customers who have flown with British Airways from Portland to Belfast to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,871 reviews

Crew

7.7

Food

6.4

Entertainment

6.4

Comfort

6.8

Boarding

6.9

Overall

6.7

Reviews

1 / 20
10.0
Excellent

Viorica,Mar 2026

PHX - LHR

The food lately is just from poor to very poor. I bealeave that you can serve less quantities for more quality food. Exemple : at breakfast : omlete and vegetarian omlete ....I beleave with less work less personel could be provide some hummus and carrots and some boiled egss plus whatever snacks or drinks you wish....... Thank you in advance
British Airways
6.7
Okay
7,871 reviews
British Airways
6.7
Okay
7,871 reviews

Crew

7.7

Food

6.4

Entertainment

6.4

Comfort

6.8

Boarding

6.9

Overall

6.7

Reviews

1 / 20
10.0
Excellent

Viorica,Mar 2026

PHX - LHR

The food lately is just from poor to very poor. I bealeave that you can serve less quantities for more quality food. Exemple : at breakfast : omlete and vegetarian omlete ....I beleave with less work less personel could be provide some hummus and carrots and some boiled egss plus whatever snacks or drinks you wish....... Thank you in advance

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 17h 05m. 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 $647.

  • 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 April 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$647Average$1,126FlexibilityNo cancel feeOn-time70%

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