Cheap flights from Bangkok to Hong Kong

Planning your Bangkok to Hong Kong trip

The Bangkok to Hong Kong route covers roughly 1690 kilometres with a typical flight time of 2h 45m, and the time difference on arrival is +1h. Non-stop, so you can pick a routing that suits your schedule. The carriers that operate this corridor — including Cathay Pacific, Thai Airways — compete on price most aggressively in the shoulder months when demand is moderate, which is usually when meta-search engines surface the cheapest fares.

Pricing on Bangkok to Hong Kong fluctuates throughout the year, but the pattern is consistent enough to plan around. Cheapest fares typically appear on Tuesday and Wednesday departures — leisure traffic clusters around Friday-to-Sunday, business travel on Monday and Thursday, leaving the midweek slots underpriced. If your dates are flexible by even a day or two, that flexibility is usually worth more than any specific booking trick. The "cheapest months" strip above shows how seasonal demand shapes fares on this specific route.

For the booking window itself, the sweet spot depends on the length of the flight. On long-haul routes the cheapest fare buckets typically open 11 months ahead and sell out 8–16 weeks before departure, so booking inside that window catches the lowest available bucket without paying the closer-in premium. On short-haul, that window compresses to 3–8 weeks. Booking dramatically further out is rarely cheaper because airlines withhold cheap inventory until the demand picture firms up.

Once you arrive in Hong Kong, you'll be paying in HKD. Your card may add a non-sterling transaction fee of 2–3%, so a fee-free travel card can save real money if you're spending much locally. Power sockets, language and the visa requirements for UK passports are summarised in the "Destination guide" panel further down — worth a glance before you fly.

Exmoway compares prices on this route across airlines and 15+ trusted booking partners side-by-side. Sort by price, duration, or stops; filter by airline or departure-time window; or set a price alert and let us notify you when a fare drops below your target. We don't sell tickets ourselves — when you find the price you want, we send you direct to the airline or agent's checkout, with no booking fee from us.