Cheap flights from Raleigh to London from $332

The month of October is, on average, the cheapest month to fly to London Heathrow Airport from Raleigh, with most prices found around $659. If you’re not able to fly to London Heathrow Airport in October, then September is your next best option. Flight prices from Raleigh to London Heathrow Airport during September average around $809.

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $866. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,176.

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the afternoon. momondo users have found flights departing from Raleigh to London Heathrow Airport in the afternoon for as low as $784. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $1,043.

Fly from Raleigh-Durham to London Heathrow for the best Raleigh-Durham - London Heathrow flight prices

You are more likely to see cheaper flights to London Heathrow Airport from Raleigh when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $995 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Raleigh for as low as $732 on momondo.

There are 4 cabin classes available to choose from on Raleigh to London Heathrow Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 4% on your flight if you consider stops on a Raleigh to London Heathrow Airport flight.

As of July 2026, prices for Raleigh to London Heathrow Airport flights are approximately 1% cheaper when compared to flights at the same time last year.

Icelandair and JetBlue are the most popular carriers operating from Raleigh-Durham to London Heathrow

British Airways, American Airlines and JetBlue are the top three most popular airlines that fly to London Heathrow Airport from Raleigh according to our data. British Airways is the first choice among our users, with 37% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 10 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

Reykjavik (KEF) was the most common stop: 60% of momondo users choosing 1-stop flights on this route connected there.

Flights via Boston (BOS) offer the lowest average round-trip price of $110.

Flights connecting via Dublin (DUB) have the shortest average one-way travel time: 9h 50m.

Dublin (DUB) has the shortest average layover time for this route: 1h 30m.

As of July 2026, 6 flights take off from Raleigh and land in London Heathrow Airport each day. The most common flight departure time for this route is 7:00PM, with 100% of daily flights taking off in the evening.

As of July 2026, there are 42 flights per week flying from Raleigh to London Heathrow Airport. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.