Cheap flights from Vietnam to London from £165

In general, November 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 £686. The month of January is another great option to travel to London Heathrow Airport, with average flight prices from Vietnam averaging around £717.

On average, the least expensive day to fly to London Heathrow Airport from Vietnam is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £955. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Sunday is £1,068.

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 £918. 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 £1,030 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 Airport 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 Heathrow Airport flight.

China Eastern, China Southern, and Qatar Airways are the most popular carriers operating from Vietnam to London Heathrow

Vietnam Airlines, Qatar Airways and Emirates are the top three most popular airlines that fly to London Heathrow Airport from Vietnam according to our data. Vietnam Airlines is the first choice among our users, with 46% 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 20% 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 106 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night 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. Saturday 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 20% of their flights experiencing any sort of delay.

8 flights are operational weekly from Vietnam to London Heathrow Airport as of October 2026. The most popular departure day for this route is Tue, with 38% of flights per week taking off on this day.

If you’re flying from a popular airport in Vietnam, such as Hanoi or Ho Chi Minh City, and flying into London Heathrow Airport, then you can expect flight times to average 13h and 13h 25m, respectively.