Flight Routes from Boston to London Heathrow

Trip type

Our cheapest offers for flights from Boston to London Heathrow

Here you can compare cheap flights from Boston (BOS) to London Heathrow (LHR) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to London Heathrow. Prices and availability may change at any time.

Flight schedule from Boston (BOS) to London Heathrow (LHR)

Select a travel date in the flight schedule for the route from Boston (BOS) to London Heathrow (LHR) and compare affordable flight deals.

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Matching outbound flights22 of 22
fromto
dep.arr.
durationstopovers
  1. August 9 – 15, 2026
  2. August 16 – 22, 2026
  3. August 23 – 29, 2026
    1. BOSLHR
      nonstop
      1. British Airways
    2. BOSLHR
      1 stopover
      1. United Airlines
    3. BOSLHR
      1 stopover
      1. Swiss International Air Lines
    4. BOSLHR
      1 stopover
      1. SAS Scandinavian Airlines
    5. BOSLHR
      1 stopover
      1. United Airlines
    6. BOSLHR
      1 stopover
      1. Aer Lingus Irish Airlines
    7. BOSLHR
      nonstop
      1. JetBlue Airways
    8. BOSLHR
      nonstop
      1. Delta Air Lines
    9. BOSLHR
      nonstop
      1. British Airways
    10. BOSLHR
      nonstop
      1. British Airways
    11. BOSLHR
      nonstop
      1. American Airlines
    12. BOSLHR
      1 stopover
      1. Lufthansa
    13. BOSLHR
      nonstop
      1. American Airlines
    14. BOSLHR
      1 stopover
      1. Icelandair
    15. BOSLHR
      1 stopover
      1. Icelandair

      Tips and tricks to help you find cheap flights from Boston to London Heathrow

      Favorite airline: Icelandair
      The most popular airline for flights from Boston to London Heathrow is Icelandair.
      Icelandair
      28 %
      United Airlines
      17 %
      Air Canada
      16 %
      Direct flights are more expensive
      Compared to direct flights, flights with a stopover on this route are on average 30 % cheaper.
      non stop flight
      1 stop
      2 stops
      06h 50min
      18h 20min
      21h 30min
      $ 564
      $ 433
      $ 583
      Favourite connection: via Reykjavik-Keflavik
      The most popular route is via Reykjavik-Keflavik and is booked by 35 % of all travelers.
      Route
      bookings
      1 stopover Reykjavik-Keflavik International
      18h 20min, from $ 433
      35 %
      1 stopover Montréal-Pierre Elliott Trudeau International Airport
      30h 25min, from $ 537
      26 %
      Direct flights
      06h 50min, from $ 564
      20 %

      Important flight information

      Flight information: Boston - London Heathrow

      Roundtrip from $ 485,00
      Flight duration min. 06:20 / max. 06:42
      Return flight duration min. 07:40/ max. 07:58
      Distance 5245 km
      Flights per week 42
      Departure airport Airport Boston Logan International Airport, MA (BOS)
      Arrival airport Airport London Heathrow (LHR)
      Destination country Flights to United Kingdom
      Departure airport - Destination country Boston Logan International Airport, MA - United Kingdom
      Departure airport - City-Code Boston Logan International Airport, MA - London
      Alternative routes to United Kingdom
      Alternative flights to London Heathrow
      Flight destinations with a similar price
      Flight destinations with a similar price