฿12,472 Find Cheap Flights from London Heathrow Airport to Southeast Asia

The cheapest ticket to Southeast Asia from London Heathrow Airport found in the last 72 hours was to Bangkok, at ฿25,345 return. The most popular route is from London Heathrow Airport (LHR) to Bangkok Suvarnabhumi Airport (BKK), and the cheapest round-trip airline ticket found on this route in the last 5 days was ฿25,345.

The cheapest time of day to fly to Southeast Asia is generally at night, when retur flights cost ฿32,951 on average. The most expensive time of day to fly to Southeast Asia is generally in the morning, which is peak travel time and where the average cost of a ticket is ฿43,237.

No, with an average price for the route of ฿22,051, prices are generally cheapest when you fly direct.

The cheapest month for flights from London Heathrow Airport to Southeast Asia is November, when tickets cost ฿27,393 (return) on average. On the other hand, the most expensive months are December and July, when the average cost of return tickets is ฿45,351 and ฿41,661 respectively.

When flying from London Heathrow Airport to Southeast Asia, you should consider leaving on a Tuesday and avoid Thursdays if you are looking for the best rates. For your return to London Heathrow Airport, you’ll find the best rates on Tuesdays and the most expensive ones on Fridays.

To get a below-average price on a flight from London Heathrow Airport to Southeast Asia, you should book around 6 weeks before departure, which saves you about 9% compared to booking last-minute. For the absolute cheapest price, our data suggests you should book 7 weeks before departure.

There are 2 airlines that fly direct from London Heathrow Airport to Southeast Asia. They are EVA Air and Thai Airways. The cheapest airline for this route is Thai Airways, with the best return deal found costing ฿29,829 and arriving in Bangkok Suvarnabhumi Airport (BKK). On average, EVA Air offers the best prices for direct flights between London Heathrow Airport and Southeast Asia.

TAP ปอร์ตูกัล connects London Heathrow Airport to Southeast Asia with 42 flights per week. Singapore Airlines also offers 42 flights per week, while Malaysia Airlines follows with 42 flights per week.

The duration of a flight to Southeast Asia depends on your arrival airport. The shortest route to Southeast Asia from London Heathrow Airport is to Bangkok, which takes 11h 40m.

There are 4 cabin class options for the route. These are First, Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

The earliest flight from London Heathrow Airport to Southeast Asia departs at 12:30, landing in Bangkok at 06:00.

If you prefer to fly at night, the last flight from London Heathrow Airport to Southeast Asia sets off at 21:35 and lands in Bangkok at 15:30.