$414 Cheap Flights from Portland (PDX) to Belfast (BHD)

View $414 flight on Sun, Mar 8, 2026Opens in a new window

Popular airlines from Portland International Airport (PDX) to Belfast (BHD-George Best Belfast City)

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Find available prices by choosing your travel dates.

Cheap Flights from Portland to Belfast (PDX-BHD)

Prices were available within the past 7 days and start at $414 for one-way flights and $694 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Dec 1 - Fri, Dec 12
PDX
Portland
BHD
Belfast
$694 Roundtrip, found 1 day ago
$694
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Dec 1 from Portland to Belfast, returning Fri, Dec 12, priced at $694 found 1 day ago
British Airways
Mon, Dec 1 - Fri, Dec 12
PDX
Portland
BHD
Belfast
$696 Roundtrip, found 1 day ago
$696
Roundtrip
found 1 day ago
Select British Airways flight, departing Mon, Dec 1 from Portland to Belfast, returning Fri, Dec 12, priced at $696 found 1 day ago
American Airlines
Mon, Dec 1 - Fri, Dec 12
PDX
Portland
BHD
Belfast
$700 Roundtrip, found 1 day ago
$700
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Dec 1 from Portland to Belfast, returning Fri, Dec 12, priced at $700 found 1 day ago
American Airlines
Wed, Oct 15 - Wed, Oct 29
PDX
Portland
BHD
Belfast
$707 Roundtrip, found 4 hours ago
$707
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Wed, Oct 15 from Portland to Belfast, returning Wed, Oct 29, priced at $707 found 4 hours ago
American Airlines
Wed, Oct 15 - Wed, Oct 29
PDX
Portland
BHD
Belfast
$708 Roundtrip, found 4 hours ago
$708
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Wed, Oct 15 from Portland to Belfast, returning Wed, Oct 29, priced at $708 found 4 hours ago
American Airlines
Wed, Oct 15 - Wed, Oct 29
PDX
Portland
BHD
Belfast
$709 Roundtrip, found 4 hours ago
$709
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Wed, Oct 15 from Portland to Belfast, returning Wed, Oct 29, priced at $709 found 4 hours ago
American Airlines
Sun, Sep 21 - Thu, Oct 2
PDX
Portland
BHD
Belfast
$709 Roundtrip, found 5 days ago
$709
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sun, Sep 21 from Portland to Belfast, returning Thu, Oct 2, priced at $709 found 5 days ago
Iberia
Mon, Sep 1 - Mon, Sep 22
PDX
Portland
BHD
Belfast
$723 Roundtrip, found 3 hours ago
$723
Roundtrip
found 3 hours ago
Select Iberia flight, departing Mon, Sep 1 from Portland to Belfast, returning Mon, Sep 22, priced at $723 found 3 hours ago
Virgin Atlantic
Sun, May 11 - Tue, May 20
PDX
Portland
BHD
Belfast
$731 Roundtrip, found 4 days ago
$731
Roundtrip
found 4 days ago
Select Virgin Atlantic flight, departing Sun, May 11 from Portland to Belfast, returning Tue, May 20, priced at $731 found 4 days ago
Delta
Wed, Oct 15 - Wed, Oct 29
PDX
Portland
BHD
Belfast
$744 Roundtrip, found 4 hours ago
$744
Roundtrip
found 4 hours ago
Select Delta flight, departing Wed, Oct 15 from Portland to Belfast, returning Wed, Oct 29, priced at $744 found 4 hours ago
Flights from Portland (PDX) to Belfast (BHD)
Origin airport
Portland Intl.
Destination airport
George Best Belfast City
Airlines serving
American Airlines, British Airways, Delta, Finnair, Iberia, KLM, Virgin Atlantic
Roundtrip price
$694
Distance
4588 mi

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 December. 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 $414 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.

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to George Best Belfast City Airport (BHD) cost?
Discover the latest flight deals from PDX to BHD by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from PDX to BHD?
The cheapest flights from PDX to BHD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from PDX to BHD?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from PDX to BHD. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Portland Intl. Airport (PDX) to George Best Belfast City Airport (BHD)?
Nonstop flights from Portland Intl. Airport (PDX) to George Best Belfast City Airport (BHD) aren’t available daily, so you’ll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and choose either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from PDX to BHD?
Typically you’ll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* However, this can vary based on the airline, time of year and other factors.*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 George Best Belfast City Airport (BHD)?
Select a flight from Portland Intl. Airport (PDX) to George Best Belfast City Airport (BHD) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this hour are on average 22% more likely to be canceled.**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 George Best Belfast City Airport (BHD) last-minute?
Booking your ticket from PDX to BHD just before your trip is generally more expensive. But if there’s some wiggle room with your travel dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a PDX to BHD flight and hotel package?
Compared with arranging flights and hotels separately, booking a PDX to BHD flight and hotel package with Expedia could lead to significant savings. What’s more, managing everything in one place takes the hassle out of planning your trip. Just secure your flights and choose from our wide range of stays, then personalize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to George Best Belfast City Airport (BHD)?
If you booked your PDX to BHD flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

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*Available to One Key members.