$477 Cheap Flights from Atlantic City (ACY) to London (LHR)

View $477 flight on Mon, Dec 1, 2025Opens in a new window

Popular airlines from Atlantic City Intl. Airport (ACY) to Heathrow Airport (LHR)

Cheap Flights from Atlantic City to London (ACY-LHR)

Prices were available within the past 7 days and start at $477 for one-way flights and $635 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Oct 21 - Wed, Nov 5
ACY
Atlantic City
LHR
London
$635 Roundtrip, found 1 hour ago
$635
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Tue, Oct 21 from Atlantic City to London, returning Wed, Nov 5, priced at $635 found 1 hour ago
American Airlines
Mon, Nov 17 - Tue, Nov 25
ACY
Atlantic City
LHR
London
$672 Roundtrip, found 7 hours ago
$672
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Mon, Nov 17 from Atlantic City to London, returning Tue, Nov 25, priced at $672 found 7 hours ago
American Airlines
Wed, Oct 29 - Wed, Nov 5
ACY
Atlantic City
LHR
London
$677 Roundtrip, found 1 day ago
$677
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Oct 29 from Atlantic City to London, returning Wed, Nov 5, priced at $677 found 1 day ago
American Airlines
Sun, Jan 25 - Fri, Feb 6
ACY
Atlantic City
LHR
London
$680 Roundtrip, found 7 hours ago
$680
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Sun, Jan 25 from Atlantic City to London, returning Fri, Feb 6, priced at $680 found 7 hours ago
American Airlines
Wed, Jan 7 - Wed, Jan 21
ACY
Atlantic City
LHR
London
$685 Roundtrip, found 7 hours ago
$685
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Wed, Jan 7 from Atlantic City to London, returning Wed, Jan 21, priced at $685 found 7 hours ago
American Airlines
Thu, Oct 30 - Thu, Nov 6
ACY
Atlantic City
LHR
London
$689 Roundtrip, found 1 day ago
$689
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Oct 30 from Atlantic City to London, returning Thu, Nov 6, priced at $689 found 1 day ago
American Airlines
Mon, Oct 27 - Tue, Nov 4
ACY
Atlantic City
LHR
London
$697 Roundtrip, found 12 hours ago
$697
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Mon, Oct 27 from Atlantic City to London, returning Tue, Nov 4, priced at $697 found 12 hours ago
American Airlines
Mon, Jan 12 - Thu, Jan 29
ACY
Atlantic City
LHR
London
$705 Roundtrip, found 7 hours ago
$705
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Mon, Jan 12 from Atlantic City to London, returning Thu, Jan 29, priced at $705 found 7 hours ago
American Airlines
Mon, Nov 17 - Mon, Nov 24
ACY
Atlantic City
LHR
London
$722 Roundtrip, found 7 hours ago
$722
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Mon, Nov 17 from Atlantic City to London, returning Mon, Nov 24, priced at $722 found 7 hours ago
American Airlines
Wed, Mar 4 - Fri, Mar 13
ACY
Atlantic City
LHR
London
$725 Roundtrip, found 7 hours ago
$725
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Wed, Mar 4 from Atlantic City to London, returning Fri, Mar 13, priced at $725 found 7 hours ago

Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Gatwick LGW. Average driving time to city center is 52 minutes. Flights from $2,826
LGW
Gatwick
Average driving time to city center52 min
Flights from $2,826

Frequently asked questions

How much does a flight from Atlantic City Intl. Airport (ACY) to Heathrow Airport (LHR) cost?
Grab a cheap one-way flight from $477 or cheap return flight from $635 from Atlantic City Intl. Airport (ACY) to Heathrow Airport (LHR) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Atlantic City Intl. Airport (ACY) to Heathrow Airport (LHR)?
Planning your trip for October can help you save, as it's the cheapest month for flights between ACY and LHR. You'll often find the lowest prices during off-peak months.
Which airlines fly direct from Atlantic City Intl. Airport (ACY) to Heathrow Airport (LHR)?
While Atlantic City, NJ (ACY-Atlantic City Intl.) has no direct flights to Heathrow Airport (LHR), other airports have nonstop options. Departing from Philadelphia Intl. Airport (PHL) will get you to London without any layovers.
What is the cheapest airline that flies from Atlantic City Intl. Airport (ACY) to Heathrow Airport (LHR)?
To find the cheapest airline that'll fly you from ACY to LHR, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Atlantic City Intl. Airport (ACY) to Heathrow Airport (LHR)?
There are no daily nonstop flights departing from Atlantic City Intl. Airport (ACY) to Heathrow Airport (LHR). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from ACY to LHR?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Atlantic City Intl. Airport (ACY) to Heathrow Airport (LHR)?
To avoid possible delays on the Atlantic City Intl. Airport (ACY) to Heathrow Airport (LHR) route, fly before 3 PM. Departures after this time are 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 Atlantic City Intl. Airport (ACY) to Heathrow Airport (LHR) last-minute?
Waiting until just before your departure to book your flight from ACY to LHR generally means paying more. While you might find some last-minute discounts, they're not always guaranteed. Keep your travel plans flexible for a better chance of getting a bargain.
Is it cheaper to book an ACY to LHR flight and hotel package?
Securing an ACY to LHR flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Pick from our extensive range of accommodations and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Atlantic City Intl. Airport (ACY) to Heathrow Airport (LHR)?
If you reserved your ACY to LHR flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

Travel information

Origin airport
Atlantic City Intl.
Destination airport
Heathrow
Airlines serving
American Airlines
Roundtrip price
$635
Distance
3526 mi

Book with confidence

Atlantic City to London Flights

The cheapest times to fly from Atlantic City to London

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 Atlantic City to London are during the month of October. You can find some of the cheapest flights from Atlantic City to London with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Atlantic City to London

Sunday is one of the best days to book for cheap flights from Atlantic City to London: 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 Atlantic City to London

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 Atlantic City to London in 2025. You can also book with separate airlines for your outbound and return journeys, from $477 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 Atlantic City to London 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 Atlantic City to London 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.

 

Atlantic City to London Flights

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*Available to One Key members.