S$139 Cheap Flights from Belfast to London

View S$139 flight on Thu, 11 Sep, 2025Opens in a new window

Popular airlines from Belfast International Airport (BFS) to Heathrow Airport (LHR)

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Cheap Flights from Belfast to London (BFS-LHR)

Prices were available within the past 7 days and start at S$139 for one-way flights and S$233 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Thu, 11 Sep - Sun, 14 Sep
BHD
Belfast
LHR
London
S$233 Return, found 6 hours ago
S$233
Return
found 6 hours ago
Select British Airways flight, departing Thu, 11 Sep from Belfast to London, returning Sun, 14 Sep, priced at S$233 found 6 hours ago
British Airways
Sat, 20 Sep - Sat, 4 Oct
BHD
Belfast
LHR
London
S$236 Return, found 3 days ago
S$236
Return
found 3 days ago
Select British Airways flight, departing Sat, 20 Sep from Belfast to London, returning Sat, 4 Oct, priced at S$236 found 3 days ago
British Airways
Thu, 28 Aug - Sun, 31 Aug
BHD
Belfast
LHR
London
S$243 Return, found 9 hours ago
S$243
Return
found 9 hours ago
Select British Airways flight, departing Thu, 28 Aug from Belfast to London, returning Sun, 31 Aug, priced at S$243 found 9 hours ago
British Airways
Fri, 9 Jan - Sun, 11 Jan
BHD
Belfast
LHR
London
S$263 Return, found 5 days ago
S$263
Return
found 5 days ago
Select British Airways flight, departing Fri, 9 Jan from Belfast to London, returning Sun, 11 Jan, priced at S$263 found 5 days ago
British Airways
Thu, 11 Sep - Sun, 14 Sep
BHD
Belfast
LHR
London
S$270 Return, found 6 hours ago
S$270
Return
found 6 hours ago
Select British Airways flight, departing Thu, 11 Sep from Belfast to London, returning Sun, 14 Sep, priced at S$270 found 6 hours ago
British Airways
Sat, 20 Sep - Sat, 4 Oct
BHD
Belfast
LHR
London
S$274 Return, found 3 days ago
S$274
Return
found 3 days ago
Select British Airways flight, departing Sat, 20 Sep from Belfast to London, returning Sat, 4 Oct, priced at S$274 found 3 days ago
British Airways
Thu, 28 Aug - Sun, 31 Aug
BHD
Belfast
LHR
London
S$277 Return, found 9 hours ago
S$277
Return
found 9 hours ago
Select British Airways flight, departing Thu, 28 Aug from Belfast to London, returning Sun, 31 Aug, priced at S$277 found 9 hours ago
British Airways
Thu, 14 Aug - Sun, 17 Aug
BHD
Belfast
LHR
London
S$279 Return, found 1 day ago
S$279
Return
found 1 day ago
Select British Airways flight, departing Thu, 14 Aug from Belfast to London, returning Sun, 17 Aug, priced at S$279 found 1 day ago
British Airways
Thu, 11 Sep - Sun, 14 Sep
BHD
Belfast
LHR
London
S$308 Return, found 6 hours ago
S$308
Return
found 6 hours ago
Select British Airways flight, departing Thu, 11 Sep from Belfast to London, returning Sun, 14 Sep, priced at S$308 found 6 hours ago
British Airways
Thu, 11 Sep - Sun, 14 Sep
BHD
Belfast
LHR
London
S$309 Return, found 6 hours ago
S$309
Return
found 6 hours ago
Select British Airways flight, departing Thu, 11 Sep from Belfast to London, returning Sun, 14 Sep, priced at S$309 found 6 hours ago

Find the cheapest month to fly from Belfast (BFS) to London (LHR)

February is typically the cheapest month to fly

From S$120 - S$223 per traveller.

Graph displaying average flight prices per month

Belfast to London route information
Origin airport
George Best Belfast City
Destination airport
Heathrow
Return price
S$233
Distance
500 km

Perfect flights from Belfast to London

Your Journey from Belfast to London

Start your unforgettable journey with Expedia. Our broad selection of flights from Belfast to London caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including British Airways. Our selection of flights from Belfast Intl. to Heathrow caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Belfast to London Flights

Experience the joy of finding cheap flights from Belfast Intl. to Heathrow that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$139 and roundtrip prices from S$233*.
 

Pre-Flight Essentials

Ensure a smooth journey from Belfast to London with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant London

Picture yourself stepping off the plane in London and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Belfast to London Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Belfast to London.
 

Beyond the Flight – Exploring London

With Expedia, your adventure extends beyond the flight. Explore London at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Belfast to London with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Belfast to London with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from BFS to LHR?
Based on fares offered within the last 7 days on Expedia for flights departing within the next year, round-trip journeys from Belfast Intl. Airport (BFS) to Heathrow Airport (LHR) start from S$233. Book today to score the best price for your big adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Belfast Intl. Airport (BFS) to Heathrow Airport?
Most flights can be cancelled online, but each airline has its own set of terms and conditions. If you do have to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from BFS to Heathrow Airport (LHR) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Belfast Intl. Airport (BFS) to Heathrow Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Belfast International Airport to London Heathrow?
It's just 520 kilometres between Crumlin and Hounslow. It's quite possible that you'll spend more time getting to and from the airport than actually flying!
Which airlines fly direct from BFS to LHR?
You won't find any airlines operating directly between BFS and London Heathrow, so be prepared to make at least one stop on your journey. A layover can be a nice way to break up a trip!
Are BFS to Heathrow Airport (LHR) flight tickets cheaper when they're purchased at the last minute?
Booking last minute from Belfast Intl. Airport (BFS) to LHR can be hit-or-miss. You may be able to score a bargain, but you could also miss out entirely! If you'd prefer to play it safe and start planning ahead of time, Expedia compares flight deals up to 12 months in advance. Just remember that not all airlines release their prices that far in advance. Our top tip? Check back often as updates are made frequently.

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