HolidayDealFinder (holidaydealfinder.co.uk)
A boat among the limestone islands of Ha Long Bay in Vietnam

Cheap flights to Vietnam

Return fares to Vietnam from 3 UK airports in the next 12 months, from £372.

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Cheapest fare to Vietnam from each UK airport

5–30 nights, direct or with one stop, cheapest first.

All airports in one search: London to Vietnam from £372

Prices are return fares for one adult, found in searches in the last few days and cached; they can change at any time, and the final price and availability are shown when you book. Checked bags are extra unless the airline includes them.