Cheap flights from Bangkok Suvarnabhumi Airport to London from $535

If you aren’t able to travel during the month of February, then book flights to London from Bangkok Suvarnabhumi Airport during January instead. Flights to London in January, while not as cheap as those in February, still average around $438.

Our data shows that Friday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as $1,437. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Bangkok Suvarnabhumi Airport to London for around $1,631.

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as $1,350. In contrast, the most expensive time of day to depart to London is in the morning when prices are around $1,529.

Fly from Bangkok Suvarnabhumi to London Heathrow for the best Bangkok Suvarnabhumi - London flight prices

You are more likely to see cheaper flights to London from Bangkok Suvarnabhumi Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $1,404 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Bangkok Suvarnabhumi Airport for as low as $1,200 on momondo.

You could potentially save up to 49% on your flight if you consider stops on a Bangkok Suvarnabhumi Airport to London flight.

As of May 2026, prices for Bangkok Suvarnabhumi Airport to London flights are approximately 5% more expensive when compared to flights at the same time last year.

Historically, on average around 16% of flights between Bangkok and London have experienced a delay on any given week. The average delay length over the past 12 months has been 103 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.

Sunday 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, British Airways have had the fewest delays on this route over the last 12 months, with about 10% of their flights experiencing any sort of delay.

Dubai (DXB) was the most common stop: 29% of momondo users choosing one-stop flights on this route connected there.

Flights via Zurich (ZRH) offer the lowest average return price of $1,058.

Flights connecting via Kuwait City (KWI) have the shortest average one-way travel time: 15h 25m.

Doha (DOH) has the shortest average stopover time for this route: 1h 03m.

As of May 2026, 7 flights take off from Bangkok Suvarnabhumi Airport and land in London each day. The most common flight departure time for this route is 12:00, with 63% of daily flights taking off in the afternoon.

As of May 2026, 49 flights take off from Bangkok Suvarnabhumi Airport and land in London each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.