Miami International to London Heathrow
4417 miles great-circle distance, typically flown in 9h 17m with 8 airlines operating direct service from Miami International (MIA) to London Heathrow (LHR). Cheapest fares are usually in Jun (around $502 return), with peak prices in Jun (around $502). Departures on a Tuesday tend to undercut weekend prices on this corridor.
Flying from Miami International
Miami International is American Airlines' largest hub for Latin American flying — over 60% of all US-to-Latin America traffic routes through here. Three terminals N, S and CW are connected by the MIA Mover people mover, with Metrorail Orange Line and Tri-Rail commuter trains both running from the airport to downtown and Fort Lauderdale. International long-haul east-coast schedules favour MIA over JFK; Caribbean and Latin connections are the deepest of any US airport.
Arriving in London
London Heathrow is 24 km west of central London — the deepest transatlantic hub from anywhere on the US East Coast. The Elizabeth Line and Heathrow Express both reach Paddington (15 minutes Express, 30 minutes Elizabeth) for £25 and £13.30 respectively. US carriers (American, Delta, United, JetBlue) and BA dominate the corridor. Cheapest fares from US East Coast: late January and February; peak demand is June–August.
Who flies MIA to LHR?
| Airline | IATA | Flight time | Cabin |
| American Airlines | AA | 9h 17m | Economy |
| British Airways | BA | 9h 17m | Economy |
| Virgin Atlantic | VS | 9h 17m | Economy |
| Air France | AF | 9h 17m | Economy |
| Lufthansa | LH | 9h 17m | Economy |
| LATAM | LA | 9h 17m | Economy |
| Qatar Airways | QR | 9h 17m | Economy |
| Iberia | IB | 9h 17m | Economy |
8 carriers fly direct on this corridor. Frequencies vary by season — summer and winter holiday peaks see additional flights.
Best time to fly MIA→LHR
Synthesised from 12-month price aggregates. Cheapest months in green, peak in red.
Estimated baseline. Prices update on a 30-day cadence as Travelpayouts data refreshes. Cheapest day-of-week typically Tuesday.
Miami to London FAQs
Direct flights from Miami International (MIA) to London Heathrow (LHR) take approximately 9h 17m for the 4417-mile journey, plus 30–60 minutes of taxi, climb and descent. Total airport-to-airport time depends on cruise winds and air-traffic queueing on approach.
Jun is typically the cheapest month on this route, with one-way fares from $502. Jun is the peak — expect prices 2–3× higher. Book 4–8 weeks ahead for best fares; last-minute prices on this corridor rise sharply inside two weeks of departure.
8 carriers operate direct service from Miami International (MIA) to London Heathrow (LHR): American Airlines, British Airways, Virgin Atlantic, Air France, Lufthansa and 3 more. Frequencies vary by season and carrier — American Airlines typically operates the highest weekly count on this corridor.
Electronic Travel Authorisation (ETA) required for US passport holders from 2025 — apply online, £10. Always check travel.state.gov for the latest entry requirements before booking.
London Heathrow (LHR) is the primary international airport for London. Allow 30–60 minutes for the ground transfer by train, express bus, taxi or rideshare depending on traffic and time of day. See the airport's official website for current train and shuttle timetables.