Best time to book Boston to London
April–May and September–October typically offer the lowest fares. July–August and December see peak pricing due to high demand. Book 2–3 months in advance for the best prices.
Searching for cheap flights from Boston to London? Compare Logan International departures to Heathrow. Find the best time to book, top airlines, flight duration, and money-saving tips for your Boston to London trip.
Logan International
Main Boston airport, good transit links and multiple airlines serving London. Terminal E handles international departures.
Airport guide →Heathrow
London hub, excellent connections to UK and Europe. Heathrow Express reaches Paddington in 15 minutes.
Airport guide →British Airways offers the most nonstop flights on this busy transatlantic route. American, Delta, and Virgin also provide competitive service with premium amenities.
April–May and September–October typically offer the lowest fares. July–August and December see peak pricing due to high demand. Book 2–3 months in advance for the best prices.
Nonstop flights take approximately 6.5 hours eastbound and 7.5 hours westbound. The route is served by British Airways, American, Delta, and Virgin with multiple daily departures.
Reserve 2–3 months ahead for better fares. Last-minute bookings are usually more expensive on this transatlantic route.
British Airways offers most direct flights. American, Delta, and Virgin also compete on this route.
Use flexible date search to find cheaper departure days. Mid-week flights often cost less than weekends.
Iconic cityscape with Tower Bridge and Thames — arrival city for flights from Boston
A nonstop flight from Boston to London takes approximately 6.5 hours eastbound and 7.5 hours westbound. The distance between the cities is 3,274 miles.
April–May and September–October often offer the lowest fares. July–August and December see peak pricing due to high demand.
British Airways offers the most nonstop flights. American Airlines, Delta Air Lines, and Virgin Atlantic also serve this route.
Nonstop is fastest at 6.5 hours. Connecting flights via other US or European hubs can sometimes be cheaper but add 3–6 hours.
Book 2–3 months in advance for the best fares. Last-minute bookings are usually more expensive on this transatlantic route.