Cheap flights from London to Bangkok from C$ 545

In general, September is the cheapest month to fly from London to Bangkok Suvarnabhumi Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 1,064. If you’re not able to fly to Bangkok Suvarnabhumi Airport in September, then May is your next best option. Flight prices from London to Bangkok Suvarnabhumi Airport during May average around C$ 1,066.

The cheapest day to depart on your flight to Bangkok Suvarnabhumi Airport is on a Saturday when prices can be found for as low as C$ 1,258. This is often the case because there is less demand to fly during this day of the week. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from London to Bangkok Suvarnabhumi Airport for around C$ 1,817.

Our data shows that the cheapest London to Bangkok Suvarnabhumi Airport flights are usually those with departure times in the afternoon. Our users have found flights to Bangkok Suvarnabhumi Airport in the afternoon for as low as C$ 1,010. In the morning is when there is more demand to fly to Bangkok Suvarnabhumi Airport, so prices are often more expensive at around C$ 2,291 per ticket.

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

You are more likely to see cheaper flights to Bangkok Suvarnabhumi Airport from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Bangkok Suvarnabhumi Airport for around C$ 1,311 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bangkok Suvarnabhumi Airport from London for as low as C$ 1,243 on momondo.

There are 2 cabin classes available to choose from on London to Bangkok Suvarnabhumi 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 38% on your flight if you consider stops on a London to Bangkok Suvarnabhumi Airport flight.

As of June 2026, prices for London to Bangkok Suvarnabhumi Airport flights are approximately 10% cheaper when compared to flights at the same time last year.

Historically, on average around 15% of flights between London and Bangkok have experienced a delay on any given week. The average delay length over the past 12 months has been 94 minutes.

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

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, EVA Air has had the least delays on this route over the last 12 months, with about 7% of their flights experiencing any sort of delay.

Shanghai (PVG) was the most common stop: 33% of momondo users choosing one-stop flights on this route connected there.

Flights via Shanghai (PVG) offer the lowest average round-trip price of C$ 689.

Flights connecting via Abu Dhabi (AUH) have the shortest average one-way travel time: 14h 05m.

Abu Dhabi (AUH) has the shortest average layover time for this route: 4h 20m.

9 flights are operational daily from London to Bangkok Suvarnabhumi Airport as of June 2026. The most popular departure time for this route is 9:00p.m., with 69% of flights per day taking off in the evening.

As of June 2026, 69 flights take off from London and land in Bangkok Suvarnabhumi Airport each week. The most common flight departure day for this route is Tue, with 16% of weekly flights taking off on this day.