Cheap flights from Vietnam to London from £207

In general, October is the cheapest month to fly from Vietnam to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £548. The month of November is another great option to travel to London Heathrow Airport, with average flight prices from Vietnam averaging around £625.

On average, the least expensive day to fly to London Heathrow Airport from Vietnam is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as £832. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Saturday is £907.

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Vietnam to London Heathrow Airport in the evening for as low as £756. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £832 on average. Flights to London Heathrow Airport from Vietnam in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

There are 3 cabin classes available to choose from on Vietnam to London Heathrow 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 36% on your flight if you consider stops on a Vietnam to London Heathrow Airport flight.

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

Qatar Airways, Vietnam Airlines and China Southern are the top three most popular airlines that fly to London Heathrow Airport from Vietnam according to our data. Qatar Airways is the first choice among our users, with 35% of people opting to fly with this airline when travelling to London Heathrow Airport. Keep in mind that there are 4 different airlines that fly to London Heathrow Airport 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 morning have, in the past, seen delays more frequently in comparison.

Friday 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.

The number of flights available between Vietnam and London Heathrow Airport is 2 per day as of February 2026. The most frequent departure time is 00:00, with 100% of daily flights leaving in the morning.

17 flights are operational weekly from Vietnam to London Heathrow Airport as of February 2026. The most popular departure day for this route is Tue, with 18% of flights per week taking off on this day.