Flights from Boston to London
We've seen return fares from $215, typically cheapest departing in August 2026. Nonstop flights are available on this route, taking around 14h 41m.
Boston to London fares by month
Lowest return fare we've seen for each departure month. Prices update daily.
| Departure month | Lowest fare found |
|---|---|
| August 2026 | $215 · cheapest |
| September 2026 | $222 |
| October 2026 | $241 |
| June 2027 | $384 |
Prices last checked 2026-07-27. Fares change constantly — search for live availability.
Airlines flying Boston to London
Booking Boston to London flights
Flymundus compares fares for Boston–London across hundreds of airlines and online travel agencies at once. Carriers serving this route include jetBlue. You book directly with the provider offering the fare — we add no booking fee or markup.
Nonstop flights are available on this route, taking around 14h 41m. We've seen return fares from $215, typically cheapest departing in August 2026.
London spreads along the Thames across dozens of distinct neighbourhoods, from the medieval City to the Georgian terraces of Notting Hill. Its museums are free, its theatre scene is the densest in the world, and six airports mean fares from almost anywhere are competitive.
Best time to visit London: May to September for long daylight and outdoor terraces. November to February is grey and wet, but fares and hotel rates drop sharply.
Boston to London: common questions
How much is a flight from Boston to London?
The lowest return fare we've recorded on this route is $215. Prices move with season and demand, so search live fares for your dates.
What is the cheapest month to fly from Boston to London?
August 2026 has shown the lowest fares in our data. The month-by-month table above shows how prices compare across the year.
Are there direct flights from Boston to London?
Yes, nonstop flights operate on this route, with a typical flight time of about 14h 41m.
How long is the flight from Boston to London?
A nonstop flight takes roughly 14h 41m. Connecting itineraries take longer depending on layover length.
When should I book flights from Boston to London?
Fares on most long-haul routes are lowest 2–5 months ahead, and short-haul 3–8 weeks ahead. Check the monthly price table above for this route's own pattern rather than relying on a general rule.