✈ BOS → LHR

6H 59M FLIGHT. TWO MOVIES, NO SLEEP, ONE EXISTENTIAL CRISIS.

Flight time
6h 59m
Distance
3,256 mi
Or
5,240 km
Jet lag
5h

Flight from Boston to London

From Logan (BOS), USA North America  →  Heathrow (LHR), United Kingdom Europe

How long is the flight from Boston to London?

A nonstop flight from Boston (BOS) to London (LHR) takes about 6 hours 59 minutes, covering a great-circle distance of 3,256 miles (5,240 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.

Avg flight time

6h 59m

Nonstop, scheduled

Distance

3,256 mi

5,240 km · great-circle

Avg speed

750 km/h

Door-to-door including taxi

Time zones & jet lag

Boston timezone

UTC-4

America/New_York

London timezone

UTC+1

Europe/London

Time difference

+5h

5 hours ahead

Jet lag (rough)

~5d

Eastward — worse

CO₂ footprint per passenger

Economy class, single passenger. Source: DEFRA 2024 averages.

✈ Flight 776 kg CO₂
🚗 Car (alone) 896 kg CO₂
🚆 Train 215 kg CO₂

This flight emits roughly 3.6× the CO₂ of an equivalent train trip and 0.9× a car driven alone over the same distance.