British Airways tends to have the best prices on flights from Belfast to London Heathrow. But, remember that London Heathrow is only one of the airports in London – searching for flights from ‘Belfast’ to ‘London’ will give you more options, and possibly lower prices.
There are 91 flights to or via London from Belfast. The flight normally lasts about 522 km. We've found that George Best Belfast City Airport (BHD) is the most popular airport to fly from, and British Airways is the most popular airline. But that doesn't mean they'll be the cheapest – it's best to compare all your options.
23 / Jan / 2024 is currently the cheapest date to fly from Belfast to London Heathrow. Prices can change though, so it's best to check Netflights regularly – we recommend booking at least two months in advance to get a good deal.
We don't just compare flight prices. If you need to book accommodation for your trip, or you want to hire a car to explore United Kingdom, we've got some options for you to compare. Plus, when you sort your flights and hotel in one booking, you could save even more.