Boston (BOS) to London (LHR) is about 3,260 miles and typically takes 6 h 55 min by air. It is an international route, so check passport and entry rules. Airlines with hubs at both ends are the likeliest to offer nonstops; otherwise expect a connection. Call (800) 490-3234 for live fares.
BOS to LHR at a glance
| Route | Boston (BOS) to London (LHR) |
|---|---|
| Distance | about 3,260 miles / 5,240 km |
| Typical flight time | 6 h 55 min (estimate) |
| Time difference | 5 hours ahead |
| Route type | International |
| Airlines with hubs here | Delta Air Lines, JetBlue Airways, and British Airways |
About the Boston to London route
Boston to London is an international trip of about 3,260 miles, so planning begins with paperwork as much as with the ticket. Your passport, any entry authorization for the United Kingdom and your connection plan matter as much as the fare.
Flight time and distance
A typical flight takes about 6 h 55 min gate to gate, with a realistic range of 6 h 35 min to 7 h 20 min depending on wind, routing and aircraft. That is an estimate based on the distance of roughly 3,260 miles (5,240 km), not a published schedule.
London is 5 hours ahead of Boston on standard time, so the arrival time on your ticket will look different from the flight duration.
Among the 200 routes in our guides, BOS to LHR is longer than about 83% of them.
For comparison, Boston to Paris (BOS to CDG) is about 3,440 miles, so London is a bit closer away from BOS.
The airports
Boston Logan International Airport (BOS)
Logan is only a few minutes by water or road from downtown Boston. Full BOS guide.
London Heathrow Airport (LHR)
Heathrow is Europe's busiest airport and the home hub of British Airways, with an enormous network of transatlantic flights. Full LHR guide.
Other airports are worth a look: around Boston, Providence. Comparing them can change the price or the travel time to your final destination.
Airlines on this route
No single carrier we cover has hubs at both BOS and LHR. Delta Air Lines (at BOS), JetBlue Airways (at BOS), and British Airways (at LHR) each operate a large network at one end, so many itineraries on this route connect rather than fly nonstop.
Schedules change by season, and a nonstop that exists in summer may not operate in winter. Confirm the current options before you plan around a specific flight.
Common connection points
If you choose a one-stop itinerary, likely routings include Delta Air Lines via New York (LGA), which adds about 370 miles (11% beyond the direct distance) or JetBlue Airways via New York (JFK), which adds about 370 miles (11% beyond the direct distance). Choose the connection with the best weather odds for your travel month and leave a comfortable layover; our layover guide explains how much time is realistic.
Best time to fly
Timing matters here. At LHR, summer and the Christmas holiday are expensive; late autumn and early spring are often cheaper. At BOS, winter nor'easters and summer fog are the main causes of delays.
Ground transport
Getting to and from BOS
The MBTA Blue Line and Silver Line buses connect Logan to downtown, and a water shuttle links the terminals to the Seaport.
Getting to and from LHR
The Elizabeth line, Heathrow Express and Underground all reach central London in 15 to 50 minutes.
Booking tips
On a long-haul trip like this one, seat selection, baggage allowance and connection time are the details that most affect comfort. Our checklist walks through each of them.
Frequently asked questions
How long is the flight from Boston to London?
A typical BOS to LHR flight takes about 6 h 55 min, with a likely range of 6 h 35 min to 7 h 20 min. Actual time depends on wind, routing, aircraft and whether you connect.
How far is London from Boston by air?
The great-circle distance between BOS and LHR is about 3,260 miles (5,240 km).
Which airlines fly from Boston to London?
Delta Air Lines, JetBlue Airways, and British Airways have a major presence at BOS or LHR, and service varies by season. Ask us to check current nonstop and connecting options.
What is the time difference between Boston and London?
London is 5 hours ahead of Boston on standard time. Daylight saving time can change the gap for part of the year.
Do I need a passport to fly from Boston to London?
Yes, international flights require a valid passport, and the United Kingdom may have additional entry or visa rules. Check the official government site before booking.
When is the best time to book BOS to LHR?
Domestic fares are often competitive one to three months ahead, while international trips benefit from more lead time. Compare several dates, since fares are priced flight by flight.
Explore related routes
More flights involving Boston (BOS)
- Atlanta to BostonATL to BOS
- Boston to CharlotteBOS to CLT
- Boston to DetroitBOS to DTW
- Boston to Las VegasBOS to LAS
- Boston to Los AngelesBOS to LAX
- Boston to MinneapolisBOS to MSP
More flights involving London (LHR)
- Atlanta to LondonATL 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
Last reviewed October 22, 2026. FlighTicketHub provides general information; confirm details with the airline before you travel.