Search and book London to Bangkok flights

Your journey starts here

As a leisure traveller, you must have a return or an onward ticket to another country before departure. When you transit to Thailand through more than one airport in the Schengen Area, you might need a Schengen Visa.

Popular flights and flight offers from London to Bangkok

LHR – BKK

London - Bangkok

Mon 24 Mar 2025 – Tue 1 Apr 2025

From

£723

LHR – BKK

London - Bangkok

Tue 25 Mar 2025 – Tue 1 Apr 2025

From

£723

LHR – BKK

London - Bangkok

Thu 27 Mar 2025 – Fri 4 Apr 2025

From

£742

LHR – BKK

London - Bangkok

Wed 26 Mar 2025 – Mon 31 Mar 2025

From

£742

LHR – BKK

London - Bangkok

Thu 24 Apr 2025 – Mon 5 May 2025

From

£744

LHR – BKK

London - Bangkok

Wed 23 Apr 2025 – Tue 29 Apr 2025

From

£744

Flights from London to Bangkok

Finnair flies from London to Bangkok easily and at low prices. Finnair's fleet is one of the most modern in Europe, making the flight to Bangkok an enjoyable experience.

With Finnair, you fly to Bangkok on a fast route from Helsinki from the Helsinki Vantaa airport, where services and route connections are excellent. From Helsinki Vantaa, we fly directly to more than 15 major cities in Asia and more than 70 destinations in Europe. Go enjoy Bangkok with our blue and white wings and book your London to Bangkok flights today.