Cheap flights from Hong Kong to Hanoi

from as little as £159

10 nights in Hanoi, departing Hong Kong on 05 / Aug / 2025 with Vietnam Airlines (price found 38 hours ago)

Subject to availability, prices correct of the last 24 hours
Hanoi

The Hong Kong / Hanoi route

All 846 km of it

Cheap flight deals for this route

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Hanoi flight facts

What you need to know

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Hanoi

05 / Aug / 2025 is currently the lowest priced day of the year to fly the Hong Kong/Hanoi route. There are around 106 flights on any given week from the UK to Hanoi and the cheapest month to fly right now is August.

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Key facts about Hanoi

How to get cheap flights from Hong Kong to Hanoi

Tips and advice from our flight experts

You’ve searched for flights from Hong Kong to Hanoi. We've gone through all 106 flights that go to or via Hanoi every week, to help you find the cheapest flight. Vietnam Airlines usually has the best-value flights from Hong Kong, but make sure you compare all your options to get the cheapest flight possible.

When you fly 846 km from Hong Kong to Hanoi, you can choose from five airlines. Flights are most expensive during high season, and you can expect accommodation prices to be higher then too. Last-minute deals do crop up, but it's best to book in advance to avoid disappointment.

To sort cheap flights to Hanoi, it's best to start searching for flights by month, as this will show you when prices are at their lowest. Keep an eye on Vietnam Airlines too, as they're the most popular airline for flying from Hong Kong to Hanoi.

Flights from Hong Kong to Hanoi normally take 4 hrs 45 mins. Make sure you check what refreshments or meals are included, so you can plan your journey. Before you book, why not check out our holiday package and car hire options? We have some hotels close to the airport – handy if you're arriving late at night, or flying back very early.

Other popular destinations near Hanoi

Where other people are flying to

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