Open interactive map →Cheap flights from Hong Kong to Hanoi
Fares on the Hong Kong to Hanoi route vary noticeably by season and demand. Right now the lowest available price is €86. Non-stop flights are available, making it a convenient option if you want to skip layovers. Booking further in advance typically unlocks lower prices, especially around school holidays and peak travel months. The calendar below maps out the cheapest and most expensive months so you can plan before committing to dates.
Price patterns on the Hong Kong to Hanoi route tend to spike during school holidays and public holiday weekends. Booking 4-6 weeks out generally balances availability and price well on this route. If your travel dates are flexible, check the price calendar for the lowest-priced months before searching for specific flights.
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Cheapest month to fly
- October 2026€86DirectCheapest
Based on tracked fares, October is the cheapest month to fly this route at around €86.
Prices last updated: September 2026
October in Hanoi
Avg 26°C~5 rainy days
Historical averages from Open-Meteo. Shown for the cheapest travel month.
Entry requirements for Vietnam
EU passporteVisa required
US passportVisa-free, 45 days
Requirements vary by nationality and change without notice. Check requirements for your nationality →
Alternative routes
Other ways to reach Hanoi
Frequently asked questions
How much does a flight from Hong Kong to Hanoi cost?
The cheapest fare currently available from Hong Kong to Hanoi is €86. Prices on this route vary by season, day of week, and how far in advance you book. The month-by-month price calendar on this page shows exactly when fares are highest and lowest, so you can pick the most cost-effective window before searching for specific dates. Fares are refreshed regularly as our flight partners publish new availability.
Are there direct flights from Hong Kong to Hanoi?
Yes - non-stop flights are currently available from Hong Kong to Hanoi. The cheapest direct fare starts at €86, making it a convenient option if you want to avoid layover time. Direct flights are generally quicker and less stressful, especially for shorter trips to Vietnam. Click through to the booking site to check live availability and schedules for your dates.
When is the cheapest time to fly from Hong Kong to Hanoi?
Prices on this route typically dip during shoulder-season months, away from school holidays and public holiday windows. Mid-week departures - particularly Tuesday to Thursday - tend to be cheaper than flights on Fridays and Sundays from Hong Kong. The month-by-month price calendar above is the fastest way to identify the cheapest window - look for the months with the lowest fares before committing to travel dates. Booking 3-6 weeks in advance generally offers the best balance of price and seat availability on this route.