$819 Cheap Flights from London (LHR) to Atlantic City (ACY)

View $819 flight on Sat, Sep 20, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $819 for one-way flights and $690 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Sep 23 - Tue, Sep 30
LHR
London
ACY
Atlantic City
$690 Roundtrip, found 3 days ago
$690
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Sep 23 from London to Atlantic City, returning Tue, Sep 30, priced at $690 found 3 days ago
American Airlines
Tue, Sep 23 - Tue, Sep 30
LHR
London
ACY
Atlantic City
$693 Roundtrip, found 3 days ago
$693
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Sep 23 from London to Atlantic City, returning Tue, Sep 30, priced at $693 found 3 days ago
American Airlines
Mon, Sep 22 - Tue, Sep 30
LHR
London
ACY
Atlantic City
$702 Roundtrip, found 3 days ago
$702
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Sep 22 from London to Atlantic City, returning Tue, Sep 30, priced at $702 found 3 days ago
American Airlines
Tue, Sep 23 - Tue, Sep 30
LHR
London
ACY
Atlantic City
$708 Roundtrip, found 3 days ago
$708
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Sep 23 from London to Atlantic City, returning Tue, Sep 30, priced at $708 found 3 days ago
American Airlines
Tue, Sep 23 - Tue, Sep 30
LHR
London
ACY
Atlantic City
$712 Roundtrip, found 3 days ago
$712
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Sep 23 from London to Atlantic City, returning Tue, Sep 30, priced at $712 found 3 days ago
British Airways
Tue, Sep 23 - Tue, Sep 30
LHR
London
ACY
Atlantic City
$721 Roundtrip, found 3 days ago
$721
Roundtrip
found 3 days ago
Select British Airways flight, departing Tue, Sep 23 from London to Atlantic City, returning Tue, Sep 30, priced at $721 found 3 days ago
American Airlines
Tue, Sep 23 - Tue, Sep 30
LHR
London
ACY
Atlantic City
$724 Roundtrip, found 3 days ago
$724
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Sep 23 from London to Atlantic City, returning Tue, Sep 30, priced at $724 found 3 days ago
American Airlines
Tue, Sep 23 - Tue, Sep 30
LHR
London
ACY
Atlantic City
$727 Roundtrip, found 3 days ago
$727
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Sep 23 from London to Atlantic City, returning Tue, Sep 30, priced at $727 found 3 days ago
Iberia
Tue, Sep 23 - Tue, Sep 30
LHR
London
ACY
Atlantic City
$737 Roundtrip, found 3 days ago
$737
Roundtrip
found 3 days ago
Select Iberia flight, departing Tue, Sep 23 from London to Atlantic City, returning Tue, Sep 30, priced at $737 found 3 days ago
Finnair
Tue, Sep 23 - Tue, Sep 30
LHR
London
ACY
Atlantic City
$749 Roundtrip, found 3 days ago
$749
Roundtrip
found 3 days ago
Select Finnair flight, departing Tue, Sep 23 from London to Atlantic City, returning Tue, Sep 30, priced at $749 found 3 days ago
Flights from London (LHR) to Atlantic City (ACY)
Origin airport
Heathrow
Destination airport
Atlantic City Intl.
Roundtrip price
$689
Distance
3526 mi

London to Atlantic City Flights

The cheapest times to fly from London to Atlantic City

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

 

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

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

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 Atlantic City in 2025. You can also book with separate airlines for your outbound and return journeys, from $819 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 Atlantic City 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 Atlantic City 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.

 

Frequently asked questions

How much does a flight from Heathrow Airport (LHR) to Atlantic City Intl. Airport (ACY) cost?
Get a cheap one-way flight from $819 or cheap return flight from $690 from Heathrow Airport (LHR) to Atlantic City Intl. Airport (ACY) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Heathrow Airport (LHR) to Atlantic City Intl. Airport (ACY)?
Traveling in September may help you find better deals, as it's the cheapest month for flights between LHR and ACY. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from Heathrow Airport (LHR) to Atlantic City Intl. Airport (ACY)?
To find the cheapest airline flying from LHR to ACY, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Heathrow Airport (LHR) to Atlantic City Intl. Airport (ACY)?
There aren't any daily nonstop flights available from Heathrow Airport (LHR) to Atlantic City Intl. Airport (ACY). But you can choose 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 LHR to ACY?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change based on various factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Heathrow Airport (LHR) to Atlantic City Intl. Airport (ACY)?
To avoid possible delays on the Heathrow Airport (LHR) to Atlantic City Intl. Airport (ACY) route, fly before 3 PM. Flights 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.
What airports do you fly into for Atlantic City from Heathrow Airport (LHR)?
Explore your flight options from Heathrow Airport (LHR) to Philadelphia Intl. Airport (PHL). This is the only airport in Atlantic City you can land at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Heathrow Airport (LHR) to Atlantic City Intl. Airport (ACY) last-minute?
Booking your flight from LHR to ACY right before your trip is typically more expensive. But if you're flexible with your departure dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a LHR to ACY flight and hotel package?
You can save money by booking a LHR to ACY flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. Once you've chosen your ideal flights and accommodations, you can add extras such as car rentals, tours and activities.
Can I cancel or change the date of my flight from Heathrow Airport (LHR) to Atlantic City Intl. Airport (ACY)?
In most cases, you're able to cancel or reschedule your LHR to ACY flight. However, there may be additional charges, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you'd like more details, go to our Customer Service portal.

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*Available to One Key members.