Cheap flights from Philadelphia to London

Q: What are the cheapest airlines?

JetBlue, Aer Lingus, Icelandair. These airlines usually offer the cheapest flights from Philadelphia to London.

Q: Can I fly direct to London?

Finnair, British Airways, Iberia Airlines, Aer Lingus. You can fly non-stop from Philadelphia to London with these airlines.

Q: What airlines fly indirectly?

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

Q: How long is the flight?

6 hrs 55 mins. This is the shortest flight time from Philadelphia to London.

from as little as £482

5 nights in London, departing Philadelphia on 12 / Feb / 2025 with JetBlue (price found 22 hours ago)

Subject to availability, prices correct of the last 24 hours

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Cheap return flights from Philadelphia to London

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The Philadelphia / London route

All 5723 km of it

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London flight facts

What you need to know

What are the cheapest airlines?

JetBlue
Aer Lingus
Icelandair

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

Can I fly direct to London?

Finnair
British Airways
Iberia Airlines
Aer Lingus

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

What airlines fly indirectly?

Virgin Atlantic
Air Canada
Delta Air Lines
Aer Lingus
British Airways

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

How long is the flight?

6 hrs 55 mins

This is the shortest flight time from Philadelphia to London.

Alternative flights from the UK to London

Check out prices for other routes

Philadelphia to London City Airport

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Philadelphia to London Gatwick

from £1,575 pp

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Philadelphia to London Heathrow

from £482 pp

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12 / Feb / 2025 is currently the lowest priced day of the year to fly the Philadelphia/London route. There are around 51 flights on any given week from the UK to London and the cheapest month to fly right now is February.

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

Key facts about London

Currency

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Language

English

Timezone

0 hrs behind GMT

How to get cheap flights from Philadelphia to London

Tips and advice from our flight experts

Your flight from Philadelphia to London should take about 12 hrs 15 mins. We've gone through all 51 of the weekly flights to or via London, operated by ten airlines, to help you compare flight prices and times. At the moment, the cheapest flight is £482.

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

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 Philadelphia, you might like to know that British Airways 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.