Cheap flights from the United Kingdom to Vietnam from £245

In general, September is the cheapest month to fly from United Kingdom to Vietnam. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £616. If you’re not able to fly to Vietnam in September, then November is your next best option. Flight prices from United Kingdom to Vietnam during November average around £621.

The cheapest day to depart from United Kingdom to Vietnam is on a Monday when prices can be found for as low as £781. Flights from United Kingdom to Vietnam on a Friday will generally be more expensive and average around £901. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Flying to Vietnam from United Kingdom in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as £760 when looking at flights departing in the afternoon. Flights in the morning are often more expensive, with an average ticket price of £899.

Fly from London Heathrow to Ho Chi Minh City for the best United Kingdom - Vietnam flight prices

You are more likely to see cheaper flights to Vietnam from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Vietnam for around £742 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Vietnam from United Kingdom for as low as £684 on momondo.

There are 4 cabin classes available to choose from on United Kingdom to Vietnam flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

Qatar Airways, Vietnam Airlines and Emirates are the top three most popular airlines that fly to Vietnam from United Kingdom according to our data. Qatar Airways is the first choice among our users, with 31% of people opting to fly with this airline when travelling to Vietnam. Keep in mind that there are 22 different airlines that fly to Vietnam on a routine basis, so you have a few additional options to choose from.

Historically, on average around 10% of flights between United Kingdom and Vietnam have experienced a delay on any given week. The average delay length over the past 12 months has been 137 minutes.

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

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday 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 10% of their flights experiencing any sort of delay.

As of September 2026, 4 flights take off from United Kingdom and land in Vietnam 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 United Kingdom to Vietnam depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from London (a popular airport in United Kingdom) to Ho Chi Minh City (the most popular airport in Vietnam), then the flight time is 15h 17m on average. If you fly from Birmingham (another popular airport in United Kingdom) to Ho Chi Minh City, then the average flight time is 16h 10m.