Cheap flights from Raleigh to London from $248

The cheapest month to fly to London from Raleigh is in February. Flight prices, which tend to average around $804, are often lower during this time because this is during the off-season. The month of January is another great option to travel to London, with average flight prices from Raleigh averaging around $854.

The cheapest day to depart from Raleigh to London is on a Wednesday. Travelers who choose to depart for London on a Wednesday will often find tickets for as low as $953. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,193. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

Flying to London from Raleigh in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,016 when looking at flights departing in the afternoon. Flights to London are more costly in the evening, with an average ticket price of $1,098. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to London from Raleigh when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $1,075 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Raleigh for as low as $968 on momondo.

There are 4 cabin classes available to choose from on Raleigh to London 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 8% on your flight if you consider stops on a Raleigh to London flight.

As of September 2026, prices for Raleigh to London flights are approximately 9% more expensive when compared to flights at the same time last year.

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

American Airlines, British Airways and JetBlue are the top three most popular airlines that fly to London from Raleigh according to our data. American Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to London. Keep in mind that there are 10 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

Reykjavik (KEF) was the most common stop: 49% of momondo users choosing 1-stop flights on this route connected there.

Flights via Boston (BOS) offer the lowest average round-trip price of $728.

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

Reykjavik (KEF) has the shortest average layover time for this route: 1h 15m.