$429 Cheap Flights from Raleigh (RDU) to Belfast (BFS)

View $429 flight on Tue, Sep 2, 2025Opens in a new window

Popular airlines from Raleigh-Durham International Airport (RDU) to Belfast International Airport (BFS)

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Find available prices by choosing your travel dates.

Cheap Flights from Raleigh to Belfast (RDU-BFS)

Prices were available within the past 7 days and start at $429 for one-way flights and $724 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Oct 7 - Tue, Oct 14
RDU
Raleigh
BHD
Belfast
$724 Roundtrip, found 3 days ago
$724
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Oct 7 from Raleigh to Belfast, returning Tue, Oct 14, priced at $724 found 3 days ago
Iberia
Tue, Oct 7 - Tue, Oct 14
RDU
Raleigh
BHD
Belfast
$724 Roundtrip, found 3 days ago
$724
Roundtrip
found 3 days ago
Select Iberia flight, departing Tue, Oct 7 from Raleigh to Belfast, returning Tue, Oct 14, priced at $724 found 3 days ago
British Airways
Tue, Oct 7 - Tue, Oct 14
RDU
Raleigh
BHD
Belfast
$726 Roundtrip, found 3 days ago
$726
Roundtrip
found 3 days ago
Select British Airways flight, departing Tue, Oct 7 from Raleigh to Belfast, returning Tue, Oct 14, priced at $726 found 3 days ago
British Airways
Mon, Sep 22 - Tue, Sep 30
RDU
Raleigh
BHD
Belfast
$728 Roundtrip, found 16 hours ago
$728
Roundtrip
found 16 hours ago
Select British Airways flight, departing Mon, Sep 22 from Raleigh to Belfast, returning Tue, Sep 30, priced at $728 found 16 hours ago
British Airways
Tue, Oct 7 - Tue, Oct 14
RDU
Raleigh
BHD
Belfast
$731 Roundtrip, found 3 days ago
$731
Roundtrip
found 3 days ago
Select British Airways flight, departing Tue, Oct 7 from Raleigh to Belfast, returning Tue, Oct 14, priced at $731 found 3 days ago
Virgin Atlantic
Sun, May 11 - Tue, May 13
RDU
Raleigh
BHD
Belfast
$732 Roundtrip, found 14 hours ago
$732
Roundtrip
found 14 hours ago
Select Virgin Atlantic flight, departing Sun, May 11 from Raleigh to Belfast, returning Tue, May 13, priced at $732 found 14 hours ago
American Airlines
Tue, Oct 7 - Tue, Oct 14
RDU
Raleigh
BHD
Belfast
$734 Roundtrip, found 3 days ago
$734
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Oct 7 from Raleigh to Belfast, returning Tue, Oct 14, priced at $734 found 3 days ago
British Airways
Tue, Oct 7 - Tue, Oct 14
RDU
Raleigh
BHD
Belfast
$736 Roundtrip, found 3 days ago
$736
Roundtrip
found 3 days ago
Select British Airways flight, departing Tue, Oct 7 from Raleigh to Belfast, returning Tue, Oct 14, priced at $736 found 3 days ago
British Airways
Sun, May 4 - Tue, May 20
RDU
Raleigh
BHD
Belfast
$736 Roundtrip, found 5 days ago
$736
Roundtrip
found 5 days ago
Select British Airways flight, departing Sun, May 4 from Raleigh to Belfast, returning Tue, May 20, priced at $736 found 5 days ago
Delta
Mon, Feb 2 - Mon, Feb 9
RDU
Raleigh
BHD
Belfast
$776 Roundtrip, found 5 days ago
$776
Roundtrip
found 5 days ago
Select Delta flight, departing Mon, Feb 2 from Raleigh to Belfast, returning Mon, Feb 9, priced at $776 found 5 days ago
Flights from Raleigh (RDU) to Belfast (BHD)
Origin airport
Raleigh - Durham Intl.
Destination airport
George Best Belfast City
Roundtrip price
$724
Distance
3592 mi

Raleigh to Belfast Flights

The cheapest times to fly from Raleigh 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 Raleigh to Belfast are during the month of October. You can find some of the cheapest flights from Raleigh to Belfast with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Raleigh to Belfast

Sunday is one of the best days to book for cheap flights from Raleigh 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 Raleigh 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 Raleigh to Belfast in 2025. You can also book with separate airlines for your outbound and return journeys, from $429 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 Raleigh 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 Raleigh 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 Raleigh - Durham Intl. Airport (RDU) to Belfast Intl. Airport (BFS) cost?
Discover the latest flight deals from RDU to BFS 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 RDU to BFS?
The cheapest flights from RDU to BFS 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 RDU to BFS?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from RDU to BFS. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Raleigh - Durham Intl. Airport (RDU) to Belfast Intl. Airport (BFS)?
Nonstop flights from Raleigh - Durham Intl. Airport (RDU) to Belfast Intl. Airport (BFS) 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 click on either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from RDU to BFS?
You’ll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Raleigh - Durham Intl. Airport (RDU) to Belfast Intl. Airport (BFS)?
Opt for a flight from Raleigh - Durham Intl. Airport (RDU) to Belfast Intl. Airport (BFS) that takes off before 3 PM to reduce the likelihood of delays. 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 Raleigh - Durham Intl. Airport (RDU) to Belfast Intl. Airport (BFS) last-minute?
Booking your ticket from RDU to BFS shortly before your journey is usually more expensive. However, if there’s some wiggle room with your departure dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book a RDU to BFS flight and hotel package?
Booking a RDU to BFS flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Choose from our wide range of hotels and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Raleigh - Durham Intl. Airport (RDU) to Belfast Intl. Airport (BFS)?
In most cases, you’re able to reschedule or cancel your RDU to BFS flight. However, there may be additional charges, especially if you made your booking over 24 hours ago. Check your itinerary for the airline’s fees and policies on flight changes, or if you need more information, head to our Customer Service portal.

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*Available to One Key members.