Are there nonstop flights from San Salvador (SAL) to London (LHR)?

No. The fastest connection is via Miami, about 11h 19m of total flying time.

What is the fastest connection from San Salvador (SAL) to London (LHR)?

via Miami ≈ 11h 19m, via Orlando ≈ 11h 23m, via Cancún ≈ 11h 23m (estimated flying time, excluding layovers).

from 35,000 ANA miles, from 37,000 JAL miles (economy, one way, based on the published award charts).

El Salvador International Airport Saint Óscar Arnulfo Romero y Galdámez (SAL) to London Heathrow Airport (LHR)・8,746 km

No nonstop flights. The fastest connection is via Miami (MIA), about 11h 19m of flying time (layover not included).

With milesANA 35,000 miles+ (via EWR)JAL 37,000 miles+ (via MIA)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

21 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.