Are there nonstop flights from Hartford (BDL) to London (LHR)?

No. The fastest connection is via Dublin, about 7h 21m of total flying time.

What is the fastest connection from Hartford (BDL) to London (LHR)?

via Dublin ≈ 7h 21m, via New York ≈ 7h 43m, via Philadelphia ≈ 8h 4m (estimated flying time, excluding layovers).

from 23,000 JAL miles, from 27,500 ANA miles (economy, one way, based on the published award charts).

Bradley International Airport (BDL) to London Heathrow Airport (LHR)・5,379 km

No nonstop flights. The fastest connection is via Dublin (DUB), about 7h 21m of flying time (layover not included).

With milesJAL 23,000 miles+ (via PHL)ANA 27,500 miles+ (via IAD)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

20 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.