Cheap flights from Boston to London

Q: What are the cheapest airlines?

Air Canada, Aer Lingus, Icelandair, Lufthansa, Virgin Atlantic. These airlines usually offer the cheapest flights from Boston to London.

Q: Can I fly direct to London?

Finnair, Iberia Airlines, KLM, Virgin Atlantic. You can fly non-stop from Boston to London with these airlines.

Q: What airlines fly indirectly?

British Airways, Aer Lingus, JetBlue, Air Canada, Delta Air Lines. These airlines fly from Boston to London, but you’ll have at least one layover.

Q: How long is the flight?

6 hrs 30 mins. This is the shortest flight time from Boston to London.

from as little as £323

2 nights in London, departing Boston on 24 / Jan / 2025 with Lufthansa (price found 37 hours ago)

Subject to availability, prices correct of the last 24 hours

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Cheap return flights from Boston to London

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The Boston / London route

All 5273 km of it

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London flight facts

What you need to know

What are the cheapest airlines?

Air Canada
Aer Lingus
Icelandair
Lufthansa
Virgin Atlantic

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

Can I fly direct to London?

Finnair
Iberia Airlines
KLM
Virgin Atlantic

You can fly non-stop from Boston to London with these airlines.

What airlines fly indirectly?

British Airways
Aer Lingus
JetBlue
Air Canada
Delta Air Lines

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

How long is the flight?

6 hrs 30 mins

This is the shortest flight time from Boston to London.

Alternative flights from the UK to London

Check out prices for other routes

Boston to London City Airport

from £635 pp

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Boston to London Gatwick

from £397 pp

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Boston to London Heathrow

from £323 pp

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Alternative flights from Boston

You might find cheaper flights nearby

Copenhagen from Boston

from £495 pp

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24 / Jan / 2025 is currently the lowest priced day of the year to fly the Boston/London route. There are around 72 flights on any given week from the UK to London and the cheapest month to fly right now is January.

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 Boston to London

Tips and advice from our flight experts

There are 72 direct and indirect flights connecting Boston and London every week, with the journey taking 10 hrs 50 mins on average. Scroll through your results to compare flight times and prices – the cheapest flight from Boston to London is currently sitting at £323.

JetBlue, British Airways & British Airways are the most popular airlines for flying from Boston to London. Adjust your search options to look by month, and see how much you could save if you fly during low season.

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

But if you can't find one which is right for you, try looking at flights to other cities in United Kingdom to check out some other options.