London Airports Guide 2026: Which Airport, Transport & ETA Tips

London is served by five major international airports — and choosing the right one (or knowing what to expect at each) can make a significant difference to your UK experience. Whether you’re arriving for the first time on a UK ETA or planning a trip to a specific part of London or England, this guide helps you navigate London’s airports like a pro in 2026.

London’s 5 Airports: Quick Overview

London Heathrow Airport (LHR) — The UK’s Biggest Hub

Heathrow is the UK’s busiest airport and a major global hub. With 4 passenger terminals (T2, T3, T4, T5), it handles flights from virtually every major airline. Most long-haul intercontinental flights arrive at Heathrow.

Key fact: The United Kingdom welcomes over 40 million international visitors each year. From 2025, most visa-free visitors need an Electronic Travel Authorisation (ETA) costing £16 (Source: GOV.UK).

Getting to Central London from Heathrow

• Elizabeth Line (Crossrail): Fastest and most comfortable — approximately 25 minutes to Paddington, 45 minutes to Central London. Runs every 10 minutes. Cost: approximately £16–12.
• Heathrow Express: Fastest service to Paddington in 15 minutes. More expensive (£25–37 standard), but great for heavy luggage
• London Underground (Piccadilly Line): Cheapest option — approximately 50–60 minutes to central London. Cost: approximately £3–6 with Oyster card
• National Express Bus/Coach: Multiple central London destinations, slower but cheap (from £6)
• Taxi/Minicab: Black cabs available outside all terminals. Licensed minicabs bookable via app. Cost: £50–80 to central London

ETA/Border Control at Heathrow

At Heathrow, ETA holders from eligible nationalities use the eGates (automated passport control lanes) — the same lanes as EU/EEA passport holders. This means no long queues at manned booths in most cases. Your passport is scanned, your face is verified against your ETA photo, and you’re through in seconds. See our guide to UK Airports ETA Border Check Process 2026 for full details.

London Gatwick Airport (LGW)

Gatwick is London’s second-largest airport, primarily serving European and medium-haul routes, with a growing number of long-haul services. It has two terminals: North and South.

Getting to Central London from Gatwick

• Gatwick Express: 30 minutes to London Victoria, trains every 15 minutes. Cost: approximately £16–35
• Thameslink trains: Slightly slower but stop at more London stations (City Thameslink, Blackfriars, Farringdon, St Pancras). Cost: approximately £16–15
• National Express/Megabus: Budget option, takes 1–2 hours depending on traffic

London City Airport (LCY)

The closest airport to central London, London City is primarily used by business travellers and serves mainly European and UK domestic destinations. Short runways mean it handles smaller aircraft only.

Getting to central London: Elizabeth Line — approximately 20 minutes to Liverpool Street. This is the most convenient airport for the City of London and Canary Wharf.

London Stansted Airport (STN)

Stansted is the primary base for Ryanair and handles many low-cost European flights. It’s the furthest from central London of the main airports but well-connected by train.

Getting to Central London from Stansted

• Stansted Express: 47 minutes to Liverpool Street Station. Trains every 15–30 minutes. Cost: approximately £16–30
• National Express/bus: Takes 1.5–2 hours, much cheaper (from £6)

London Luton Airport (LTN)

Luton handles mainly budget European routes (easyJet, Wizz Air, Ryanair). Note: Luton requires a shuttle bus between the terminal and the train station.

Getting to central London: Luton Airport Parkway train station — approximately 30 minutes to St Pancras by Thameslink. Cost: approximately £15–20 plus £3 shuttle bus.

Which London Airport Should You Use?

The best airport depends on your origin, accommodation location, and budget:

• Arriving long-haul from USA/Australia/Asia: Heathrow (LHR) — most direct routes
• Budget European flights: Stansted (STN), Luton (LTN), or Gatwick (LGW)
• Staying in the City or East London: London City (LCY) is most convenient
• Staying in South London or Croydon: Gatwick (LGW) is most convenient
• Best overall connectivity to all parts of London: Heathrow, thanks to Elizabeth line and Piccadilly line direct into multiple central stations

Arriving at UK Border Control with Your ETA

Regardless of which London airport you arrive at, the ETA process is the same. Your airline verifies your ETA before you board. On arrival in the UK, you proceed to passport control where:

1. ETA-eligible nationals (most countries) use eGates — automated passport scanning with facial recognition
2. If your ETA checks out, the gate opens automatically and you proceed to baggage claim
3. If flagged for additional checks, you’ll be directed to a staffed booth — this is routine and not cause for alarm

Have your passport ready but no need to print your ETA confirmation — it’s all handled electronically.

Complete Guide to Each London Airport

London Heathrow (LHR)

Heathrow is the UK’s largest and busiest airport, handling over 80 million passengers annually. Located 24km west of central London, it has five terminals and serves as a major hub for British Airways and Virgin Atlantic. For ETA holders, Heathrow offers automated e-gates for passport control, significantly speeding up the arrival process for eligible nationalities.

Getting to central London: The Heathrow Express train reaches Paddington station in 15 minutes (£25 single). The Elizabeth Line (Crossrail) takes 30–40 minutes and costs £12.80. The Piccadilly Line on the Underground takes 50–60 minutes and costs £5.50. National Express coaches to Victoria Coach Station take 45–90 minutes from £6.

London Gatwick (LGW)

Gatwick is London’s second busiest airport, located 45km south of central London. It has two terminals (North and South) connected by a shuttle train. Gatwick is popular with budget airlines including easyJet and serves many European and long-haul destinations.

Getting to central London: The Gatwick Express reaches Victoria station in 30 minutes (£16). Southern and Thameslink trains take 30–45 minutes (£11–15). National Express coaches take 60–90 minutes from £8.

London Stansted (STN)

Stansted is located 60km northeast of central London and is the main base for Ryanair in the UK. The airport has a single terminal and primarily serves budget European routes.

Getting to central London: The Stansted Express reaches Liverpool Street in 47 minutes (£16). National Express coaches to Victoria take 60–90 minutes from £16.

London Luton (LTN)

Located 55km north of central London, Luton serves primarily budget carriers including Wizz Air and easyJet. The airport completed a major expansion in 2024 with a new terminal building and improved transport links.

Getting to central London: The Luton DART shuttle connects to Luton Airport Parkway station, from where trains reach St Pancras in 25 minutes (£16). National Express coaches take 60–90 minutes from £12.

London City (LCY)

The closest airport to central London, located in the Docklands area just 10km from the City of London. It primarily serves business travellers and shorter European routes. London City is small, efficient, and ideal for travellers who want minimal airport hassle.

Getting to central London: The DLR (Docklands Light Railway) connects directly to Bank station in 22 minutes (£3.50). Taxis to the City of London take 10–15 minutes.

London Southend (SEN)

The smallest London airport, located 60km east on the Essex coast. It serves a limited number of European routes and is the quietest option for travellers who prefer a stress-free airport experience.

Getting to central London: Greater Anglia trains reach Liverpool Street in 53 minutes (£12).

ETA Border Check Process at London Airports

When you arrive at any London airport with a UK ETA, here is what to expect at border control:

Before Landing

Airlines verify your ETA status through the Advance Passenger Information (API) system before you board. If your ETA is not approved, the airline may deny boarding at your departure airport. Always check your ETA status before heading to the airport.

At Passport Control

Most London airports offer automated e-gates for travellers from eligible countries. If your passport has a biometric chip (indicated by a small camera symbol on the cover), you can use the e-gates for faster processing. Simply scan your passport, look at the camera for facial recognition, and walk through. The system checks your ETA digitally — no stamp is needed.

If you cannot use the e-gates, join the “All Other Passports” queue. A border officer will check your passport and may ask about the purpose and length of your visit. Have your accommodation details and return flight information accessible.

After Immigration

Once through passport control, follow signs to baggage reclaim and then the customs hall. The UK operates a “Green Channel” (nothing to declare) and “Red Channel” (goods to declare) system. Most tourists pass through the green channel without stopping.

Frequently Asked Questions

Which London airport is closest to the city centre?

London City Airport (LCY) is the closest — just 11 km from the centre, roughly 20 minutes to Liverpool Street by Elizabeth line. However, it serves fewer destinations than Heathrow.

Do I need to print my UK ETA at the airport?

No. The UK ETA is fully electronic. You don’t need to carry or present any ETA document at the airport. The airline’s check-in system and UK Border Force both verify it automatically through your passport number.

Can I transit between London airports?

Yes — though it takes time. Heathrow to Gatwick takes approximately 1 hour by National Express coach. Heathrow to Stansted takes approximately 1.5–2 hours. Always allow generous transfer time and check if your UK ETA covers landside transit if you’ll be leaving the international zone.

Before flying, confirm your ETA is approved — see how to check your UK ETA status.

Connecting through a UK airport? Our transit and layover guide explains ETA requirements for connections.

Travelling with elderly family members? See our senior travellers guide for airport assistance tips.

For common application errors, review our UK ETA mistakes guide.

Visit Britain offers detailed transport advice for getting from any London airport to the city centre.

Official Sources & References

1. UK Government — Electronic Travel Authorisation
2. London Heathrow Airport
3. London Gatwick Airport
4. Transport for London
5. Visit Britain — Plan Your Trip

Choosing the Right London Airport

With six airports to choose from, selecting the right one can significantly impact your travel experience. Consider these factors:

• Budget travellers — Stansted and Luton offer the cheapest flights (Ryanair, Wizz Air, easyJet) but are furthest from central London. Factor in transport costs when comparing total prices.
• Business travellers — London City is ideal for quick access to Canary Wharf and the City of London. Heathrow Terminal 5 offers premium lounges and fast connections.
• Family travellers — Heathrow and Gatwick have the best family facilities including play areas, family lanes at security, and baby changing rooms throughout. Both airports also offer free special assistance for passengers with mobility needs.
• Late-night arrivals — If arriving late at night, check public transport availability. Heathrow’s Piccadilly Line runs until approximately midnight, while night buses operate from most airports. Consider pre-booking a taxi or staying at an airport hotel if arriving after 11 PM.
• Connecting flights — If connecting between airports (e.g., arriving Heathrow, departing Gatwick), allow at least 4–5 hours for the inter-airport transfer. National Express operates direct coach services between Heathrow, Gatwick, Stansted, and Luton.

Airport Amenities and Services

All London airports provide essential services for international travellers including currency exchange, SIM card purchase kiosks, luggage storage, free Wi-Fi, and tourist information desks. Heathrow and Gatwick have the most extensive shopping and dining options, with many stores operating airside (after security).

For travellers needing to work or rest between flights, most airports offer paid lounge access through services like Priority Pass or individual lounge booking. Day rooms and sleep pods are available at Heathrow and Gatwick for travellers on long layovers.

Conclusion

London’s six airports each offer distinct advantages depending on your budget, destination, and travel preferences. By choosing the right airport and understanding the transport connections to central London, you can start your UK trip on the right foot. Ensure your UK ETA is approved before departure, and arrive at the airport with time to spare for a stress-free experience.

London’s five airports each serve different markets and offer different options for accessing the city. For most long-haul ETA holders, Heathrow remains the most practical choice with its excellent Elizabeth Line connection. For budget European travellers, Stansted or Gatwick may offer cheaper fares.

Ensure your UK ETA is approved before travel — apply at VisaETA or the official GOV.UK ETA page.