$468 Cheap Flights from London (LCY) to Philadelphia (PHL)

View $468 flight on Mon, Jan 5, 2026Opens in a new window

Popular airlines from London City Airport (LCY) to Philadelphia Intl. Airport (PHL)

Cheap Flights from London to Philadelphia (LCY-PHL)

Prices were available within the past 7 days and start at $468 for one-way flights and $727 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Tue, Jan 27 - Tue, Feb 3
LCY
London
PHL
Philadelphia
$727 Roundtrip, found 1 day ago
$727
Roundtrip
found 1 day ago
Select British Airways flight, departing Tue, Jan 27 from London to Philadelphia, returning Tue, Feb 3, priced at $727 found 1 day ago
British Airways
Mon, Nov 24 - Wed, Jan 21
LCY
London
PHL
Philadelphia
$730 Roundtrip, found 5 hours ago
$730
Roundtrip
found 5 hours ago
Select British Airways flight, departing Mon, Nov 24 from London to Philadelphia, returning Wed, Jan 21, priced at $730 found 5 hours ago
British Airways
Wed, Jan 28 - Mon, Feb 2
LCY
London
PHL
Philadelphia
$736 Roundtrip, found 5 days ago
$736
Roundtrip
found 5 days ago
Select British Airways flight, departing Wed, Jan 28 from London to Philadelphia, returning Mon, Feb 2, priced at $736 found 5 days ago
British Airways
Tue, Dec 16 - Tue, Jan 13
LCY
London
PHL
Philadelphia
$740 Roundtrip, found 4 days ago
$740
Roundtrip
found 4 days ago
Select British Airways flight, departing Tue, Dec 16 from London to Philadelphia, returning Tue, Jan 13, priced at $740 found 4 days ago
British Airways
Tue, Jan 27 - Tue, Feb 3
LCY
London
PHL
Philadelphia
$744 Roundtrip, found 1 day ago
$744
Roundtrip
found 1 day ago
Select British Airways flight, departing Tue, Jan 27 from London to Philadelphia, returning Tue, Feb 3, priced at $744 found 1 day ago
British Airways
Wed, Jan 21 - Wed, Feb 4
LCY
London
PHL
Philadelphia
$758 Roundtrip, found 6 days ago
$758
Roundtrip
found 6 days ago
Select British Airways flight, departing Wed, Jan 21 from London to Philadelphia, returning Wed, Feb 4, priced at $758 found 6 days ago
Iberia
Wed, Feb 18 - Wed, Feb 25
LCY
London
PHL
Philadelphia
$775 Roundtrip, found 2 days ago
$775
Roundtrip
found 2 days ago
Select Iberia flight, departing Wed, Feb 18 from London to Philadelphia, returning Wed, Feb 25, priced at $775 found 2 days ago
Lufthansa
Mon, Dec 15 - Sun, Jan 11
LCY
London
PHL
Philadelphia
$801 Roundtrip, found 4 days ago
$801
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Mon, Dec 15 from London to Philadelphia, returning Sun, Jan 11, priced at $801 found 4 days ago
Aer Lingus
Wed, Jan 28 - Mon, Feb 2
LCY
London
PHL
Philadelphia
$904 Roundtrip, found 5 days ago
$904
Roundtrip
found 5 days ago
Select Aer Lingus flight, departing Wed, Jan 28 from London to Philadelphia, returning Mon, Feb 2, priced at $904 found 5 days ago
Swiss International Air Lines
Thu, Nov 6 - Sun, Nov 9
LCY
London
PHL
Philadelphia
$1,058 Roundtrip, found 3 hours ago
$1,058
Roundtrip
found 3 hours ago
Select Swiss International Air Lines flight, departing Thu, Nov 6 from London to Philadelphia, returning Sun, Nov 9, priced at $1,058 found 3 hours ago

Frequently asked questions

How much does a flight from London City Airport (LCY) to Philadelphia Intl. Airport (PHL) cost?
Snag a cheap one-way flight from $468 or cheap return flight from $727 from London City Airport (LCY) to Philadelphia Intl. Airport (PHL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from London City Airport (LCY) to Philadelphia Intl. Airport (PHL)?
January is the least expensive month to fly from LCY to PHL. Traveling during an off-peak travel window is often the key to finding a great deal.
Which airlines fly direct from London City Airport (LCY) to Philadelphia Intl. Airport (PHL)?
Direct flights aren't available from London (LCY-London City) to Philadelphia Intl. Airport (PHL). However, you can find other airports offering nonstop flights. Board your plane at Heathrow Airport (LHR) and travel straight to Philadelphia without layovers.
What is the cheapest airline that flies from London City Airport (LCY) to Philadelphia Intl. Airport (PHL)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest LCY to PHL flight.
How many flights per day from London City Airport (LCY) to Philadelphia Intl. Airport (PHL)?
Direct flights from London City Airport (LCY) to Philadelphia Intl. Airport (PHL) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from LCY to PHL?
Usually you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from London City Airport (LCY) to Philadelphia Intl. Airport (PHL)?
Select a flight from London City Airport (LCY) to Philadelphia Intl. Airport (PHL) that takes off before 3 PM to reduce the risk of cancellations. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from London City Airport (LCY) to Philadelphia Intl. Airport (PHL) last-minute?
Last-minute bookings from LCY to PHL are generally more expensive. For the cheapest rates, start searching for flights early. That being said, if you can play around with your travel dates, you may find a cheap fare right before your journey.
Is it cheaper to book a LCY to PHL flight and hotel package?
Opting for a LCY to PHL flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Select from our wide range of stays and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from London City Airport (LCY) to Philadelphia Intl. Airport (PHL)?
It's usually possible to reschedule or cancel your LCY to PHL flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
London City
Destination airport
Philadelphia Intl.
Airlines serving
Aer Lingus, British Airways, Delta, KLM, Lufthansa, Swiss International Air Lines, Virgin Atlantic
Roundtrip price
$727
Distance
3555 mi

Book with confidence

London to Philadelphia Flights

The cheapest times to fly from London to Philadelphia

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from London to Philadelphia are during the month of January. You can find some of the cheapest flights from London to Philadelphia with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from London to Philadelphia

Sunday is one of the best days to book for cheap flights from London to Philadelphia: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from London to Philadelphia

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from London to Philadelphia in 2025. You can also book with separate airlines for your outbound and return journeys, from $468 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap London to Philadelphia flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your London to Philadelphia airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

London to Philadelphia Flights

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*Available to One Key members.