Flying to London: which airport to choose and travel tips

Flying to London is one of the classic options for a weekend or a slightly longer stay, but it is not always the fastest or simplest one. Between the Eurostar, low-cost airlines, and the 6 airports orbiting the British capital, it is perfectly normal to wonder how to find your way through it all.

In this article, I help you decide whether flying makes sense in your case, then choose the London airport best suited to your trip and the way you like to visit London. You will also see where the airports are actually located in relation to the city center and how that affects your travel time, your budget, and your comfort once you are there. The goal is for you to be able to book your flight to London fully aware of the trade-offs, without any unpleasant surprises when you land.

Should you fly to London?

Flying to London makes sense if you are leaving from a city not served by the Eurostar or if you are booking at the last minute, but the train often remains more convenient when you live near a Eurostar station. The decision comes down to your total travel time, total budget (ticket + airport transfer), and your actual point of departure.

Comparing flying and the Eurostar for London

If you live in a city served by the Eurostar within a reasonable time frame (near Paris, Lille, or Brussels in particular), flying is not necessarily the best option. The Eurostar drops you right in the center of London, at St Pancras, with no connections, with checks carried out directly at the station, and a perfectly predictable journey time.

Conversely, flying involves a considerable amount of time to get to the airport (often on the outskirts), check in if a carry-on bag is not enough, go through security checks, wait in the departure lounge, board, and then on arrival, collect your luggage and travel from the airport into London. On a short weekend, this additional time really tips the scales.

When you are leaving from Paris, Lille, or Brussels, taking the Eurostar to London therefore usually remains more attractive, especially if you can book your tickets in advance to get the best fares.

When flying to London becomes more strategic

Flying to London becomes a very relevant option as soon as you are leaving from a city without a direct Eurostar connection. Many regional cities offer direct flights to London: Nantes, Lyon, Marseille, Toulouse, La Rochelle, Nice, Bordeaux, Rennes, Brest, Caen, Limoges (and many others). In that case, you avoid changing train stations or taking a long journey to Paris, and you gain in comfort.

Another situation where flying can make a difference: last-minute bookings. From experience, Eurostar prices tend to skyrocket when you book late, with round trips that can climb above €300–380 (about $325–410 / £255–325) in Standard, which quickly gives you pause. At the same time, since many airlines serve London, competition often pushes prices down, including for close departure dates, especially outside the very peak periods.

On the other hand, you always need to keep in mind the cost and duration of airport-to-city transfers, which vary greatly depending on the London airport (I go into detail on this later). A very cheap flight to a very outlying airport can ultimately cost more and take longer than a slightly more expensive flight to a better-connected airport.

Comparing flight prices to London

To make an informed choice, I recommend using a flight comparison tool like Omio to compare flight prices, schedules, and possible arrival airports. There, you can easily see:

• Price differences between London airports for your dates,
• Departure and arrival times that fit best with your schedule,
• The airlines operating the route from your city,
• Total journey times, including layovers.

Then, it helps to cross-check these results with the time and cost of transfers from each airport to your accommodation in London. That is often where the real difference lies between two offers that both look like "good deals" at first glance.

Which airport to choose for flying to London?

The best airport for London is the one that offers the right balance between proximity to the city center, transfer costs, and flight times that fit your stay. In practice, London City and Heathrow are often the most convenient, while Gatwick, Stansted, Luton, and Southend require more travel time.

The 6 London airports at a glance

London has 6 airports, all officially serving the city, but with very different distances and passenger volumes. This is a key point to keep in mind to avoid unpleasant surprises, especially on a first trip to London or a short stay.

Here are the airports serving London, with their approximate distance from the center:

• London Heathrow Airport | 16 miles (about 26 km) west of London | Around 84 million passengers per year
• London Gatwick Airport | 28 miles (about 45 km) south of London | Around 43 million passengers per year
• London Stansted Airport | 39 miles (about 63 km) northeast of London | Around 29 million passengers per year
• London Luton Airport | 34 miles (about 55 km) north of London | Around 17 million passengers per year
• London City Airport | 9 miles (about 14 km) east of London | Around 3 to 4 million passengers per year
• London Southend-on-Sea Airport | 40 miles (about 64 km) east of London | Much more limited traffic that varies according to seasons and airlines

You can see that some airports are actually quite far from London, sometimes in towns with their own distinct identity. That does not mean you should avoid them, but you do need to factor this into your trip planning.

London airports: which one to prioritize depending on your profile?

To help you make your choice, here is a comparative decision-making table for the main London airports. It does not replace the detailed articles dedicated to each airport, but it gives you a good first idea of what will suit you best if you have the luxury of being able to choose from your departure city (unfortunately, that is not always the case!).

This table gives an initial indication, but the choice also depends on where you will be staying in London (north, south, east, west), your arrival and departure times, and how much transport-related fatigue you are willing to tolerate.

The most convenient London airports

The airports that are generally the most convenient for reaching central London are London City and Heathrow.

London City is located in the immediate suburbs, in the Docklands to the east of the center. It is served by the DLR (Docklands Light Railway) line, which connects easily to the London Underground. You can reach central London very quickly after landing.

Heathrow, for its part, is a very large international airport, but it has the advantage of being directly on the Tube's Piccadilly line, which runs across the whole west of London into the center (Piccadilly Circus, Leicester Square, Covent Garden…). It is also served by the Elizabeth line, a modern and fast line that goes in particular to Paddington, Tottenham Court Road, and Liverpool Street, and by the Heathrow Express, which is very fast but more expensive for connecting Heathrow to Paddington. For a first stay in London, it is often a very comfortable choice.

If you are wondering which airport to choose in London and you have the possibility to decide, I would therefore recommend that you first look at flights to London City or Heathrow, especially if your dates give you some flexibility in airlines and schedules.

Southend: an airport further from central London

Conversely, London Southend-on-Sea is generally the least convenient airport for a short stay in London. It is not that the airport is unpleasant, but you need to keep in mind that it is quite far from central London, on the east coast of England.

In practical terms, after your flight, you need to allow for around an hour by train to reach London, usually to Liverpool Street or Stratford. This clearly lengthens the total travel time, especially for a 2- or 3-day weekend where every half-day counts.

Southend can still make sense if you find a particularly attractive flight or if the schedule fits your trip perfectly. On the other hand, for a first stay in London or a short city break, it is generally not the simplest option from a logistical point of view.

Gatwick, Luton, Stansted: outlying but manageable airports

Gatwick, Luton, and Stansted are farther from central London, but they all offer several transport options to reach the city without any particular difficulty.

Gatwick, south of London, has frequent rail links to several central stations (Victoria, London Bridge, Blackfriars, etc.), as well as the Gatwick Express for those who prefer a faster, more direct train. The airport is often used by both full-service and low-cost airlines.

Stansted, to the northeast, is very popular with low-cost airlines. It is linked to London by the Stansted Express, which goes to Liverpool Street, as well as by long-distance buses (National Express, for example). The journey is longer than from Heathrow or City, but it is still quite straightforward to organize.

Luton, north of London, combines the automated Luton DART system between the airport and the railway station, then a train into London. Direct buses also connect Luton to several central locations. Overall, it requires slightly more complex planning, especially if you have a lot of luggage or are traveling with young children.

In all cases, these airports are farther out and require more travel time than Heathrow or London City. For a short weekend in London, this can mean several extra hours of travel, especially if your flights arrive very early or very late. It is still entirely doable, as long as you plan your transfers carefully and factor this into your choice of accommodation.

Location of London airports on the map

To get a concrete sense of where the airports are, here is a map that will help you better assess distances and directions in relation to central London. It is a useful tool when you are matching your choice of airport with the location of your hotel or apartment.

You will quickly see that Heathrow and City are relatively close to London, while Gatwick, Luton, Stansted, and Southend are farther away, which explains the differences in transfer times.

Detailed tips for each London airport

Finally, note that I have written guides dedicated to each airport on the blog, which explain step by step how to reach central London: buses, express trains, regular trains, shared shuttles, private drivers, taxis, public transport… I break down the options, budgets, and journey times so that your arrival goes as smoothly as possible.

Simply click on your arrival airport in London to access the corresponding guide:

• Heathrow Airport
• Gatwick Airport
• Stansted Airport
• Luton Airport
• London City Airport
• Southend Airport

These articles are updated regularly and will help you fine-tune your plans according to schedules, prices, and your way of traveling.

The traveler's memo for going to London by plane

Here are the answers to the most frequently asked questions about flights and airports for London, to help you prepare your trip quickly.