Cheap flights from Hanoi to London from £244

The cheapest month to fly to London from Hanoi is in April. Flight prices, which tend to average around £254, are often lower during this time because this is during the off-season. The month of November is another great option to travel to London, with average flight prices from Hanoi averaging around £270.

Our data shows that Wednesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £860. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Hanoi to London for around £1,004.

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as £860. Flights in the morning are often more expensive, with an average ticket price of £988.

Fly from Hanoi Noibai to London Heathrow for the best Hanoi Noibai - London flight prices

There are 3 cabin classes available to choose from on Hanoi to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

As of June 2026, prices for Hanoi to London flights are approximately 15% more expensive when compared to flights at the same time last year.

China Eastern, Etihad Airways, and Qatar Airways are the most popular carriers operating from Hanoi Noibai to London

Vietnam Airlines, Qatar Airways and Etihad Airways are the top three most popular airlines that fly to London from Hanoi according to our data. Vietnam Airlines is the first choice among our users, with 41% of people opting to fly with this airline when travelling to London. Keep in mind that there are 4 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

Historically, on average around 23% of flights between Hanoi and London have experienced a delay on any given week. The average delay length over the past 12 months has been 106 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Sunday is statistically the day of the week that experiences the fewest delays on this flight route. Tuesday has historically seen more delays on average compared to the rest of the week.

According to our data, Vietnam Airlines have had the fewest delays on this route over the last 12 months, with about 22% of their flights experiencing any sort of delay.

Doha (DOH) was the most common stop: 35% of momondo users choosing one-stop flights on this route connected there.

Flights via Guangzhou (CAN) offer the lowest average return price of £290.

Flights connecting via Abu Dhabi (AUH) have the shortest average one-way travel time: 16h 20m.

Abu Dhabi (AUH) has the shortest average stopover time for this route: 1h 40m.