Cheap flights from St Louis to London

Q: What are the cheapest airlines?

Air Canada, Delta Air Lines, Virgin Atlantic. These airlines usually offer the cheapest flights from St Louis to London.

Q: What airlines fly indirectly?

British Airways, Delta Air Lines, Aer Lingus, Lufthansa, Virgin Atlantic. These airlines fly from St Louis to London, but you’ll have at least one layover.

Q: How long is the flight?

10 hrs 35 mins. This is the shortest flight time from St Louis to London.

from as little as £624

7 nights in London, departing St Louis on 17 / Jan / 2025 with Virgin Atlantic (price found 48 hours ago)

Subject to availability, prices correct of the last 24 hours

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Cheap return flights from St Louis to London

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The St Louis / London route

All 6780 km of it

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London flight facts

What you need to know

What are the cheapest airlines?

Air Canada
Delta Air Lines
Virgin Atlantic

These airlines usually offer the cheapest flights from St Louis to London.

What airlines fly indirectly?

British Airways
Delta Air Lines
Aer Lingus
Lufthansa
Virgin Atlantic

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

How long is the flight?

10 hrs 35 mins

This is the shortest flight time from St Louis to London.

Alternative flights from the UK to London

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St Louis to London City Airport

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St Louis to London Gatwick

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St Louis to London Heathrow

from £624 pp

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17 / Jan / 2025 is currently the lowest priced day of the year to fly the St Louis/London route. There are around 32 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 St Louis to London

Tips and advice from our flight experts

We've gone through all the flights from St Louis to London, to help you find the best option. There are about 32 flights to or via London from St Louis every week, and the best price is currently £624. Your journey from will last about 12 hrs 55 mins.

British Airways, Delta Air Lines & Aer Lingus are the most popular airlines for flying from St Louis 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 one airports – but London Heathrow is normally the cheapest one to fly into. If you're not sure who to fly with from St Louis, you might like to know that British 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.