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London City Airport (LCY) is the closest in terms of physical proximity to the downtown area and can be reached via the Docklands Light Railway (DLR) and city buses. However, most of its flights are short hauls to mainland Europe. If your flight to London originated across the Atlantic, chances are that Heathrow Airport (LHR) is the best airport option for quick access to the city.

Both Heathrow Airport (LHR) and London Gatwick Airport (GBR) have excellent facilities for families and children. Heathrow’s Stay & Play is available in Terminals 2, 3, 4 and 5 and features slides, play spots, and separate areas for babies and young children. At Gatwick, there are Kids zones in both the North and South Terminals, both of which provide play areas and free TV for young travelers.

Layovers are frequent at Heathrow Airport (LHR). The airport has excellent luggage storage facilities managed by Excess Baggage Company, where storage duration determines charges. Baggage and luggage can be stored for a few hours or up to 90 days. 0-3 hours will cost you £7.50 and 3-24 hours will cost you £12.50.

Heathrow Airport (LHR) has an expansive restaurant selection, ranging from fine dining to quick bites. Additionally, you can even order your food in advance from participating restaurants via the LHR London Heathrow Airport app. Furthermore, many restaurants in Heathrow offer 15-minute menus, as they understand that every minute counts during your travels.

Heathrow Airport (LHR) has four terminals: Terminals 2, 3, 4, and 5. Travelers can walk through the pedestrian underpass from terminals 2 to 3 and vice versa. You can use the free shuttle trains or underground London services when connecting to other terminals. Moving from one airport terminal to another takes about 20 minutes.

Buckingham Palace is recognized worldwide as home to the royal family. The state rooms are open to the public for ten weeks during the summer and selected days during winter and spring. London City Airport (LCY) is the closest to the palace, 9.2 miles away. Heathrow Airport (LHR) is 15 miles, London Gatwick Airport (GBR) is 34 miles, London Luton Airport (GBR) is 34.3 miles, and London Stansted Airport (STN) is 39.5 miles from the palace.

There are various ways to get into the city from London City Airport (LCY). First, you can take a public bus which takes 50 minutes to the city and will cost £5 (about $6). A Taxi ride costs £41 ($50) and takes 15 minutes. A train ride costs £5 (about $6) and takes 21 minutes and lastly, a shuttle ride costs £58 (about $50) and will take you 21 minutes.

Heathrow has bookable meeting rooms, such as its Regus Express business lounge, which can be rented by the hour. Along with their premium lounges, business travelers can also rent cell phones and pre-order foreign currency in advance, ensuring that the required currency will be available upon arrival. These services further enhance the convenience for business travelers.

British Airways operates the most flights from the United States to London at 316 per week, and for this route British Airways is also the airline most often selected by KAYAK users searching for flights from the United States to London. The two are often different because flight volume reflects an airline's schedule, while popularity reflects traveler choice.

Flights to London arrive at: London City (LCY), London Gatwick (LGW), London Heathrow (LHR), London Luton (LTN), London Southend (SEN) and London Stansted (STN).

Flights to London can arrive at several major airports serving the metro area, including London City (LCY), London Gatwick (LGW), London Heathrow (LHR), London Luton (LTN), London Southend (SEN) and London Stansted (STN). Nearby alternatives within 50.0 mi of London include London City (LCY). This airport is not in London itself, but may be useful depending on your route, airline, and where you are headed in the area.

Nonstop flight time to London varies depending on your departure city:

• from Miami: 8h 20m
• from Portland: 9h 30m
• from Pittsburgh: 7h 15m
• from Atlanta: 7h 55m
• from Raleigh: 7h 35m

Based on fares booked in the past 5 days, the cheapest flights to London are from:
• New York, from $511 round-trip

London receives 113 flights per day and 794 per week from across the world. New York has the most flights to London, with 201 weekly flights.

A good deal on a flight to London is around $650 round-trip. This fare is in the lowest 25% of round-trip prices searched on KAYAK, averaged across the cities most often searched as origins by KAYAK users.

Last-minute fares to London – booked within 2 weeks of departure – run 5% above the average round-trip fare of $855.

British Airways, Virgin Atlantic and United Airlines are the most popular airlines among KAYAK users flying to London. Virgin Atlantic has the best on-time record at the destination's main airport.