Cheap flights from Hanoi to London

Q: What are the cheapest airlines?

China Southern Airlines, Emirates, Qatar Airways, Turkish Airlines. These airlines usually offer the cheapest flights from Hanoi to London.

Q: What airlines fly indirectly?

Qatar Airways, Turkish Airlines, Emirates, Thai Airways International, Cathay Pacific. These airlines fly from Hanoi to London, but you’ll have at least one layover.

Q: How long is the flight?

15 hrs 15 mins. This is the shortest flight time from Hanoi to London.

from as little as £643

4 nights in London, departing Hanoi on 02 / Mar / 2025 with China Southern Airlines (price found 22 hours ago)

Subject to availability, prices correct of the last 24 hours

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Cheap return flights from Hanoi to London

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The Hanoi / London route

All 9244 km of it

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London flight facts

What you need to know

What are the cheapest airlines?

China Southern Airlines
Emirates
Qatar Airways
Turkish Airlines

These airlines usually offer the cheapest flights from Hanoi to London.

What airlines fly indirectly?

Qatar Airways
Turkish Airlines
Emirates
Thai Airways International
Cathay Pacific

These airlines fly from Hanoi to London, but you’ll have at least one layover.

How long is the flight?

15 hrs 15 mins

This is the shortest flight time from Hanoi to London.

Alternative flights from the UK to London

Check out prices for other routes

Hanoi to London City Airport

from £1,344 pp

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Hanoi to London Gatwick

search for price

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Hanoi to London Heathrow

from £643 pp

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Hanoi to London Stansted

from £888 pp

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Alternative flights from Hanoi

You might find cheaper flights nearby

Paris from Hanoi

from £833 pp

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Amsterdam from Hanoi

from £761 pp

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02 / Mar / 2025 is currently the lowest priced day of the year to fly the Hanoi/London route. There are around 120 flights on any given week from the UK to London and the cheapest month to fly right now is March.

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

Key facts about London

Currency

British pound

Language

English

Timezone

0 hrs behind GMT

How to get cheap flights from Hanoi to London

Tips and advice from our flight experts

There are 120 direct and indirect flights connecting Hanoi and London every week, with the journey taking 18 hrs on average. Scroll through your results to compare flight times and prices – the cheapest flight from Hanoi to London is currently sitting at £643.

Or, if you're fairly flexible on dates, try to get a last minute-deal by regularly checking the Netflights website.

London actually has four airports – but London Heathrow is normally the cheapest one to fly into. If you're not sure who to fly with from Hanoi, you might like to know that Qatar Airways is the most popular airline for this route.

If you can’t quite find what you’re looking for, try checking flight prices to other cities in United Kingdom.