Flight Routes from Boston to London Heathrow

Compare cheap outbound and return flights from Boston (BOS) to London Heathrow (LHR) and find the best offer from numerous airlines and travel agencies.

Trip type
Cheapest roundtrip flight
from€676
Fastest outbound flight
Fastest inbound flight
non-stop flights
42x / week
Flight distance
5,245 km
Time difference

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.

offers
Active filtersnone
Matching outbound flightsBOS–LHR · 21 of 21
fromto
dep.arr.
durationstopovers
  1. September 20 – 26, 2026
  2. Sep 27 – Oct 3, 2026
  3. October 4 – 10, 2026
    No flights could be found for the active filters.
    1. BOSLHR
      1 stopover
      1. Air Canada
    2. BOSLHR
      1 stopover
      1. United Airlines
    3. BOSLHR
      nonstop
      1. British Airways
    4. BOSLHR
      1 stopover
      1. Swiss International Air Lines
    5. BOSLHR
      nonstop
      1. JetBlue Airways
    6. BOSLHR
      1 stopover
      1. Aer Lingus Irish Airlines
    7. BOSLHR
      nonstop
      1. Delta Air Lines
    8. BOSLHR
      nonstop
      1. British Airways
    9. BOSLHR
      nonstop
      1. British Airways
    10. BOSLHR
      nonstop
      1. British Airways
    11. BOSLHR
      1 stopover
      1. Lufthansa
    12. BOSLHR
      nonstop
      1. American Airlines
    13. BOSLHR
      nonstop
      1. American Airlines
    14. BOSLHR
      nonstop
      1. American Airlines
    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

      Discover more flights around Boston and London Heathrow

      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
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