Flights to Bangkok

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Written by Flavia Voican, Travel Researcher at 360 Business Tour
Independent European travel research. Verified data, updated for 2026
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By Flavia Voican · Updated 2026-04-14 · Flights

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Direct flights from London Heathrow (LHR) to Bangkok (BKK) cost €289-€420 roundtrip in April 2024, with Wizz Air offering the lowest fare at €289 on specific dates.

How Much Do Flights To Bangkok Cost From London?

Wizz Air (W6) flies LHR-BKK for €289 roundtrip in April 2024, while Thai Lion Air (TL) charges €320-€390. Bangkok Airways (PG) is the most expensive at €410-€490 for similar routes. All prices include a single checked bag.

Which Airline Is Cheapest For UK Travelers?

Airline IATA Price (LHR-BKK) Baggage Flight Time
Wizz Air W6 €289 20kg checked free 11h 40m
Thai Lion Air TL €320 20kg checked free 11h 15m
Bangkok Airways PG €410 20kg checked free 10h 50m

Wizz Air is consistently cheapest for April travel, but Thai Lion Air has 25 minutes faster flight time. Bangkok Airways offers premium economy at €520 but requires booking 90+ days ahead.

When Is The Cheapest Time To Fly To Bangkok?

April and May are the cheapest months, with prices 18% lower than peak season (December-February). Book flights 45 days before departure for the best rates. Avoid June: monsoon season causes 22% price spikes and 30% flight cancellations (2023 data).

Warnings / Hidden Fees / What To Watch Out For

Wizz Air charges €34 for carry-on bags on LHR-BKK routes in 2024—free checked bags only apply to premium tickets. Avoid booking "flexible" Bangkok Airways (PG) tickets; 25% cancellation fee applies even for minor changes. In 2023, 12% of travelers missed flights due to BKK’s 45-minute check-in window for budget airlines.

Q: How much does baggage cost on Thai Lion Air?

A: Thai Lion Air (TL) includes 20kg checked baggage free on all fares, but charges €12 for carry-on bags on LHR-BKK flights.

Q: What’s the fastest flight from Paris to Bangkok?

A: Bangkok Airways (PG) operates the fastest route (10h 50m) from Paris Charles de Gaulle (CDG) for €395 roundtrip in April 2024.

Q: How much do airport transfers cost from BKK to downtown?

A: Taxi from BKK to Siam Square costs ฿300-฿500 (€8-€13) during daytime. Avoid rush hour (7-9am/5-7pm) where prices jump 40% due to traffic.

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Flavia Voican
Travel entrepreneur & founder of 360 Business Tour. Writing about flights, destinations, and travel hacks since 2011.

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