Are there nonstop flights from Philadelphia (PHL) to Luton (LTN)?

No. The fastest connection is via Dublin, about 7h 42m of total flying time.

What is the fastest connection from Philadelphia (PHL) to Luton (LTN)?

via Dublin ≈ 7h 42m, via Edinburgh ≈ 7h 54m, via Amsterdam ≈ 8h 28m (estimated flying time, excluding layovers).

Philadelphia International Airport (PHL) to London Luton Airport (LTN)・5,682 km

No nonstop flights. The fastest connection is via Dublin (DUB), about 7h 42m of flying time (layover not included).

None.

16 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.