Cheap flights from London Gatwick to Hanoi

from as little as £480

14 nights in Hanoi, departing London Gatwick on 25 / Sep / 2025 with China Southern Airlines (price found 2 hours ago)

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

The London Gatwick / Hanoi route

All 9244 km of it

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Hanoi flight facts

What you need to know

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Hanoi

Today alone, Netflights has searched over 3,675 flights. 25 / Sep / 2025 is currently the lowest priced day of the year to fly the London Gatwick/Hanoi route. There are around 1,052 flights on any given week from the UK to Hanoi and the cheapest month to fly right now is September.

Not suitable? Try running another search or viewing all cheap flight deals.

Key facts about Hanoi

How to get cheap flights from London Gatwick to Hanoi

Tips and advice from our flight experts

We've gone through lots of different flights, to help you find the cheapest way to get from London Gatwick to Hanoi. You can choose from ten airlines. At the moment, 25 / Sep / 2025 is the cheapest date to travel, but scroll through the results to find the option that works best for you.

Qatar Airways is the most popular airline that flies from London Gatwick to Hanoi. But it's still worth looking at other options, as there are 1,052 flights to Hanoi every week. If you want to broaden your search, look at flights departing from other airports.

Generally speaking, the flight from London Gatwick to Hanoi takes around 18 hrs 40 mins. The fastest flight takes 15 hrs 55 mins to cover the 9244 km distance. You can view all flight times yourself in the results list.

May is normally the cheapest month to fly to Hanoi, but it’s important to try different options when you search. Searching by month, for instance, will show you the best time of the week to fly. December is always the most expensive time to fly but, if you check regularly and book early, you have a better chance of getting a good deal.

Other popular destinations near Hanoi

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