Cheap flights from Vietnam to London from £149

The cheapest month to fly to London from Vietnam is in October. Flight prices, which tend to average around £549, are often lower during this time because this is during the off-season. The month of April is another great option to travel to London, with average flight prices from Vietnam averaging around £563.

Our data shows that Tuesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £839. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Vietnam to London for around £915.

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as £762. Flights in the morning are often more expensive, with an average ticket price of £839.

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

There are 3 cabin classes available to choose from on Vietnam 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 34% on your flight if you consider stops on a Vietnam to London flight.

Air China, China Southern, and Shenzhen Airlines are the most popular carriers operating from Vietnam to London

Qatar Airways, Vietnam Airlines and China Southern are the top three most popular airlines that fly to London from Vietnam according to our data. Qatar Airways is the first choice among our users, with 34% 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 Vietnam and London have experienced a delay on any given week. The average delay length over the past 12 months has been 114 minutes.

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

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Monday 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 23% of their flights experiencing any sort of delay.

2 flights are operational daily from Vietnam to London as of February 2026. The most popular departure time for this route is 00:00, with 100% of flights per day taking off in the morning.

As of February 2026, there are 17 flights per week flying from Vietnam to London. The most common day of the week flights depart is Tue, with 18% of flights taking off on this day.