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$728+ Cheap flights from Portland (PDX) to Belfast

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BHD
Apr 6 — Apr 131
Mon 4/6
Mon 4/13
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 March 7, 2026.

This oojo deal was found by Cheapflights users on 3/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/27:30 pm
PDX
-
BHD
1 stop14h 45m
British Airways
Wed 5/137:40 pm
BHD
-
PDX
1 stop30h 00m
British Airways
Deal found 3/2$728
This American Airlines deal was found by Cheapflights users on 3/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/23:16 pm
PDX
-
BHD
2 stops20h 04m
American Airlines
Wed 5/1311:35 am
BHD
-
PDX
2 stops19h 12m
American Airlines
Deal found 3/2$746
This Cheapflightsfares deal was found by Cheapflights users on 3/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:30 pm
PDX
-
BHD
1 stop17h 05m
British Airways
Mon 9/289:40 am
BHD
-
PDX
1 stop16h 00m
British Airways
Deal found 3/6$776
This KLM deal was found by Cheapflights users on 3/6. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/203:50 pm
PDX
-
BHD
2 stops17h 05m
KLM
Mon 9/285:30 pm
BHD
-
PDX
1 stop25h 40m
KLM
Deal found 3/6$780
This British Airways deal was found by Cheapflights users on 3/5. 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 10/167:30 pm
PDX
-
BHD
1 stop14h 40m
British Airways
Tue 10/207:30 pm
BHD
-
PDX
1 stop30h 10m
British Airways
Deal found 3/5$808
This KAYAK deal was found by Cheapflights users on 3/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/201:38 pm
PDX
-
BHD
2 stops19h 17m
Scandinavian Airlines
Mon 9/289:50 am
BHD
-
PDX
2 stops18h 59m
Scandinavian Airlines
Deal found 3/6$861
This British Airways deal was found by Cheapflights users on 3/5. 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 8/256:20 pm
BHD
-
PDX
1 stop31h 20m
British Airways
Deal found 3/5$877
This Mytrip deal was found by Cheapflights users on 3/2. 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.
Sat 5/23:30 pm
PDX
-
BFS
3 stops23h 10m
Multiple Airlines
Wed 5/136:10 am
BFS
-
PDX
3 stops19h 50m
Multiple Airlines
Deal found 3/2$1,040
This Mytrip deal was found by Cheapflights users on 3/2. 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 6/183:30 pm
PDX
-
BFS
2 stops23h 35m
Multiple Airlines
Sun 6/288:50 pm
BFS
-
PDX
3 stops30h 16m
Multiple Airlines
Deal found 3/2$1,569
This Mytrip deal was found by Cheapflights users on 3/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2010:10 am
PDX
-
BFS
3 stops20h 50m
Multiple Airlines
Mon 9/287:35 pm
BFS
-
PDX
3 stops30h 20m
Multiple Airlines
Deal found 3/6$1,633

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 March 7, 2026.

Round-trip from

$728
(oojo)
From Portland to Belfast
Search Deals

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 March 7, 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

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sat 5/2

7:30 pm-6:15 pm

1 stop14h 45m

Belfast City

Wed 5/13

7:40 pm-5:40 pm

1 stop30h 00m

$728

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

$877

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Sat 5/2

3:30 pm-10:40 pm

3 stops23h 10m

Belfast Intl

Wed 5/13

6:10 am-6:00 pm

3 stops19h 50m

$1,040
Quickest round-trip

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sat 5/2

3:30 pm-9:00 pm

3 stops21h 30m

Belfast City

Wed 5/13

7:00 am-6:00 pm

3 stops19h 00m

$1,043

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Thu 6/18

3:30 pm-11:05 pm

2 stops23h 35m

Belfast Intl

Sun 6/28

8:50 pm-7:06 pm

3 stops30h 16m

$1,569

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/2

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.

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 March 7, 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
7,778 reviews

Overall

6.7

Comfort

6.8

Crew

7.6

Entertainment

6.4

Food

6.4

Boarding

6.9

Reviews

1 / 20
2.0
Mediocre

Natasha,Feb 2026

SEA - LHR

I already said the thing about the list luggage, which actually this flight.
British Airways
6.7
Okay
7,778 reviews
British Airways
6.7
Okay
7,778 reviews

Overall

6.7

Comfort

6.8

Crew

7.6

Entertainment

6.4

Food

6.4

Boarding

6.9

Reviews

1 / 20
2.0
Mediocre

Natasha,Feb 2026

SEA - LHR

I already said the thing about the list luggage, which actually this 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?

    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 45m. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 March 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$647Average$985FlexibilityNo cancel feeOn-time70%

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