Cheap flights from the United States to London from £129

The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as £129. However, be on the lookout for offers from TAP AIR PORTUGAL and Iberia, as they are both options that can get you from USA to London for a low price.

When deciding which route to take from USA to London consider New York John F Kennedy Intl - London Heathrow, Newark - London Heathrow or New York John F Kennedy Intl - London Gatwick as they are the most popular.

Before booking your flight to London from USA, check out the most reliable airlines to get you to your destination on time: Air Canada (85%), Austrian Airlines (85%), United Airlines( 85%).

While on average a flight from USA to London is generally £1,783, our data shows the cheapest flight currently is £289. When looking at the most popular route, (New York John F Kennedy Intl - London Heathrow), you can expect to pay £207 for that flight.

Yes. In addition to deals on USA to London flights, Cheapflights offers holiday packages that include both flights and hotel.

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from USA to London.

Yes. Cheapflights offers flight deals from USA to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Currently, January is the cheapest month in which you can book a flight from USA to London (average of £112). Flying from USA to London in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.