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$398+ 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BHD
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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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 April 29, 2025.

Round-trip from

$732
(oojo)

One-way from

$398
(American Airlines)

Popular in

June

Cheapest in

December

Average price

$666
From Portland to Belfast
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One-way flight from Portland to Belfast
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Highest demand for flights based on searches. 21% potential increase in price ($253 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 29, 2025.

This oojo deal was found by Cheapflights users on 4/29. 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 8/2311:59 pmPDX - BHD
2 stops27h 31mBritish Airways
Sun 8/316:50 amBHD - PDX
2 stops23h 14mBritish Airways
Deal found 4/29$732
This Mytrip deal was found by Cheapflights users on 4/29. 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.
Fri 6/133:25 pmPDX - BFS
3 stops20h 40mMultiple Airlines
Fri 6/204:40 pmBFS - PDX
3 stops38h 16mMultiple Airlines
Deal found 4/29$1,326
This KLM deal was found by Cheapflights users on 4/29. 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.
Tue 6/241:45 pmPDX - BHD
2 stops20h 50mKLM
Mon 7/76:30 amBHD - PDX
1 stop12h 50mKLM
Deal found 4/29$1,466
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 6/247:25 pmPDX - BHD
1 stop14h 05mAmerican Airlines
Mon 7/79:50 amBHD - PDX
1 stop15h 45mAmerican Airlines
Deal found 4/29$2,085

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 29, 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

Sat 8/23

11:59 pm-11:30 am

2 stops27h 31m

Belfast City

Sun 8/31

6:50 am-10:04 pm

2 stops23h 14m

$732

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Fri 6/13

3:25 pm-8:05 pm

3 stops20h 40m

Belfast Intl

Fri 6/20

4:40 pm-10:56 pm

3 stops38h 16m

$1,326

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Tue 6/24

1:45 pm-6:35 pm

2 stops20h 50m

Belfast City

Mon 7/7

6:30 am-11:20 am

1 stop12h 50m

$1,466

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Tue 6/24

7:25 pm-5:30 pm

1 stop14h 05m

Belfast City

Mon 7/7

9:50 am-5:35 pm

1 stop15h 45m

$2,085

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sat 8/23

1:20 pm-3:05 pm

2 stops17h 45m

$398

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sat 8/23

11:59 pm-11:30 am

2 stops27h 31m

$435

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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

What is the cheapest time of day to fly from PDX to BFS?

Find hourly flight availability from Portland to Belfast. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2025.

It’s optimal to fly from Portland to Belfast at noon. By choosing this option you can save up to 35% on the cost of your flight, compared to a flight in the morning.

Rainfall in Belfast by month

Plan your trip to Belfast by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Belfast ranges from 2.0 - 3.5 inches per month. October is typically the wettest month, when rainfall can reach 3.5 in. April is typically the driest time to visit Belfast when rainfall is around 2.0 in.

Temperature in Belfast by month

Plan your trip to Belfast by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Belfast, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 29, 2025.
KLM
7.8
Good
1,334 reviews

Boarding

7.8

Comfort

7.7

Food

7.2

Entertainment

7.1

Crew

8.4

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,334 reviews
KLM
7.8
Good
1,334 reviews

Boarding

7.8

Comfort

7.7

Food

7.2

Entertainment

7.1

Crew

8.4

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
American Airlines
7.2
Good
10,000 reviews
KLM
7.8
Good
1,334 reviews

Boarding

7.8

Comfort

7.7

Food

7.2

Entertainment

7.1

Crew

8.4

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
British Airways
6.6
Okay
6,835 reviews
KLM
7.8
Good
1,334 reviews

Boarding

7.8

Comfort

7.7

Food

7.2

Entertainment

7.1

Crew

8.4

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

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. 2 airlines have flights to Belfast from Portland on a regular basis.

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

    Flying on British Airways is currently your cheapest option to Belfast, with prices starting at $732. Additional round-trip tickets that might be worth considering are offered by KLM and American Airlines, with the lowest prices starting at $1,466 and $2,085, respectively. British Airways is currently priced 18% below the average price you’ll pay for this route.

  • 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.

  • What is the cheapest month to book a flight from Portland to Belfast?

    Currently, February is the cheapest month in which you can book a flight from Portland to Belfast (average of $657). Flying from Portland to Belfast in June is currently the most expensive (average of $1,189). 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

Top 2 airlines flying from Portland to Belfast

Discover the top 2 airlines 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 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$634Average$810FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$638Average$732FlexibilityNo cancel feeOn-time71%

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