Heathrow vs. Gatwick: Which London Airport is Best for Your Trip? (2025 Guide)

Compare travel times, transport options, flight availability, and overall cost to decide whether Heathrow or Gatwick is better for your next London trip.

Flying to London? Choosing the right airport, Heathrow (LHR) or Gatwick (LGW), can make a big difference in your travel experience.

Both are major international gateways, but they vary significantly in location, transportation options, flight routes, and overall convenience. Whether you're visiting for business, a quick weekend getaway, or a long holiday, selecting the best airport for your needs can save you time, money, and hassle. This 2025 guide compares Heathrow vs. Gatwick across all key factors, so you can make the right choice for your London trip.

And if you're sorting out travel essentials, understanding how to get a UK SIM card might come in handy too.

Understanding London’s Major Airports

London is served by six international airports, but Heathrow and Gatwick stand out as the two largest and busiest, handling the vast majority of long-haul and international flights. While both offer extensive connectivity, they cater to slightly different traveler profiles and flight types.

Key Comparison: Heathrow vs. Gatwick

Feature	Heathrow	Gatwick
Distance to Central London	~15 miles (~24 km)	~30 miles (~48 km)
Fastest Train Option	Heathrow Express (15-20 mins)	Gatwick Express (30 mins)
Budget Transport	Piccadilly Line (Tube)	Southern/Thameslink Trains
Flight Focus	Long-haul, global carriers	Europe, leisure, low-cost airlines
Airport Size	Largest UK airport (4 terminals - Terminals 2, 3, 4 & 5)	Smaller (2 terminals - North & South)
Amenities	High-end, business-class friendly	Compact, more relaxed
Typical Costs	Usually higher	Often more budget-friendly

Which London Airport Should You Choose? Making Your Decision

The best airport for your London trip ultimately depends on your priorities. Here’s a quick guide to help you decide:

Choose Heathrow if:

You are flying long-haul or internationally with a major airline.
You prioritize speed and convenience to Central London (especially Paddington or areas on the Elizabeth Line).
You appreciate extensive airport facilities, including premium lounges and high-end shopping.
Your flight cost is not the primary concern.

Choose Gatwick if:

You are flying with a low-cost carrier or to a European destination.
You are looking for potentially cheaper flight tickets.
You don’t mind a slightly longer journey to Central London.
You prefer a generally less crowded airport experience.

The Bottom Line: For many, the decision comes down to a trade-off between convenience (Heathrow) and cost (Gatwick). Consider the total cost of your journey, including flights and ground transport, and weigh it against your preferred travel time and airport experience.

Stay Connected in London with a Nomad Travel eSIM for the UK

No matter where you land, Heathrow or Gatwick, a Nomad UK eSIM ensures you're connected from the moment you arrive. Skip airport SIM card queues and avoid expensive roaming fees.

Activate your data plan instantly, access high-speed local networks, and manage everything easily through the Nomad app. Whether you're navigating the Underground, calling a rideshare, or updating loved ones, staying online has never been easier.