Cheap Flights from Portland (PDX) to Belfast (BFS)

Popular airlines from Portland International Airport (PDX) to Belfast International Airport (BFS)

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to Belfast Intl. Airport (BFS) cost?
Lock in a cheap one-way flight or cheap return flight from Portland Intl. Airport (PDX) to Belfast Intl. Airport (BFS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Portland Intl. Airport (PDX) to Belfast Intl. Airport (BFS)?
Planning your trip for is a good way to save, as it's the cheapest month for flights between PDX and BFS. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Portland Intl. Airport (PDX) to Belfast Intl. Airport (BFS)?
To find the cheapest airline that'll fly you from PDX to BFS, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Portland Intl. Airport (PDX) to Belfast Intl. Airport (BFS)?
You'll have to take a flight with a layover if you're traveling from Portland Intl. Airport (PDX) to Belfast Intl. Airport (BFS). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from PDX to BFS?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portland Intl. Airport (PDX) to Belfast Intl. Airport (BFS)?
Select a flight from Portland Intl. Airport (PDX) to Belfast Intl. Airport (BFS) that takes off before 3 PM to reduce the risk of cancellations and delays. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Portland Intl. Airport (PDX) to Belfast Intl. Airport (BFS) last-minute?
Last-minute fares from PDX to BFS are typically more expensive. To secure the lowest prices, start looking for flights ahead of time. That said, if your travel plans are flexible, it's possible to land a cheap fare right before your journey.
Is it cheaper to book a PDX to BFS flight and hotel package?
Compared with arranging flights and hotels separately, booking a PDX to BFS flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one easy place will take the hassle out of travel planning. Just secure your flights and choose from our extensive range of hotels, then personalize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to Belfast Intl. Airport (BFS)?
In most cases, you're able to cancel or reschedule your PDX to BFS flight. However, there may be additional fees, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you'd like more details, head to our Customer Service portal.

Travel information

Travel information

Origin airport
Portland Intl.
Destination airport
Belfast Intl.
Distance
4576 mi

Book with confidence

Book with confidence

Portland to Belfast Flights

The cheapest times to fly from Portland to Belfast

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Portland to Belfast are during the month of . You can find some of the cheapest flights from Portland to Belfast with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to Belfast

Sunday is one of the best days to book for cheap flights from Portland to Belfast: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Portland to Belfast

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Portland to Belfast in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Portland to Belfast flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Portland to Belfast airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Portland to Belfast Flights

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Explore a world of travel with Expedia

*Available to One Key members.