London Heathrow Airport (LHR) serves London, UK. Heathrow is Europe's busiest airport and the home hub of British Airways, with an enormous network of transatlantic flights. Call (800) 490-3234 to check live fares.
LHR at a glance
| Airport code | LHR |
|---|---|
| Serves | London, UK |
| Location | 51.47°, -0.45° |
| Standard time zone | UTC+0 (UTC+0) |
| Airline hubs | British Airways |
| Nearby airports | None commonly compared |
About London Heathrow Airport
Heathrow is Europe's busiest airport and the home hub of British Airways, with an enormous network of transatlantic flights. U.S. travelers need a valid passport and should check current entry requirements for the UK.
Airlines at LHR
British Airways has a hub or major base here, which usually means more nonstop options and easier rebooking if a flight is disrupted.
Getting to and from LHR
The Elizabeth line, Heathrow Express and Underground all reach central London in 15 to 50 minutes.
Best time to fly
Summer and the Christmas holiday are expensive; late autumn and early spring are often cheaper.
Arrival and security tips
Plan to arrive about three hours before departure, and add time on holiday weekends, early mornings or when you check bags. Bring REAL ID-compliant identification or a passport. Our guide on arrival times covers the details.
Popular flights from and to LHR
Explore our guides for routes involving London:
- Atlanta to LondonATL to LHR
- Boston to LondonBOS to LHR
- Chicago to LondonORD to LHR
- London to SeattleLHR to SEA
- Los Angeles to LondonLAX to LHR
- New York to LondonJFK to LHR
- Newark to LondonEWR to LHR
Frequently asked questions about LHR
Which airlines operate at LHR?
British Airways has a hub or major operation at LHR. Other carriers also serve it, and schedules change by season.
How do I get from LHR to London?
The Elizabeth line, Heathrow Express and Underground all reach central London in 15 to 50 minutes.
How early should I arrive at LHR?
A common guideline is about three hours before departure, and longer during holiday periods or when you are checking bags. Check your airline's cutoff times.
When is the best time to fly to London?
Summer and the Christmas holiday are expensive; late autumn and early spring are often cheaper.
Last reviewed October 22, 2026. FlighTicketHub provides general information; confirm details with the airline before you travel.