Cheap flights from Vietnam to the United Kingdom from £171

The cheapest month to fly to United Kingdom from Vietnam is in October. Flight prices, which tend to average around £531, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of October, then departing from Vietnam during the month December is also very affordable. Most momondo users find prices during this month for around £651.

The cheapest day to depart from Vietnam to United Kingdom is on a Tuesday. Travellers who choose to depart for United Kingdom on a Tuesday will often find tickets for as low as £805. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Vietnam to United Kingdom for around £986.

The cheapest time of day to fly to United Kingdom is in the evening when flights can be purchased for as low as £769. Try not to purchase tickets in the morning because they tend to be around £1,062. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

There are 3 cabin classes available to choose from on Vietnam to United Kingdom 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 17% on your flight if you consider stops on a Vietnam to United Kingdom flight.

Air China, China Eastern, and China Southern are the most popular carriers operating from Vietnam to United Kingdom

Vietnam Airlines, China Southern and Qatar Airways are the top three most popular airlines that fly to United Kingdom from Vietnam according to our data. Vietnam Airlines is the first choice among our users, with 33% of people opting to fly with this airline when travelling to United Kingdom. Keep in mind that there are 5 different airlines that fly to United Kingdom on a routine basis, so you have a few additional options to choose from.

Historically, on average around 21% of flights between Vietnam and United Kingdom have experienced a delay on any given week. The average delay length over the past 12 months has been 105 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 21% of their flights experiencing any sort of delay.

As of September 2026, 4 flights take off from Vietnam and land in United Kingdom each week. The most common flight departure day for this route is Sun, with 50% of weekly flights taking off on this day.

The flight from Vietnam to United Kingdom depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Hanoi (a popular airport in Vietnam) to London Heathrow Airport (the most popular airport in United Kingdom), then the flight time is 13h on average. If you fly from Ho Chi Minh City (another popular airport in Vietnam) to London Heathrow Airport, then the average flight time is 13h 25m.