Are there nonstop flights from Southend-on-Sea (SEN) to Chicago (ORD)?

No. The fastest connection is via Edinburgh, about 8h 39m of total flying time.

What is the fastest connection from Southend-on-Sea (SEN) to Chicago (ORD)?

via Edinburgh ≈ 8h 39m, via Amsterdam ≈ 9h 8m, via Paris ≈ 9h 12m (estimated flying time, excluding layovers).

London Southend Airport (SEN) to Chicago O'Hare International Airport (ORD)・6,409 km

No nonstop flights. The fastest connection is via Edinburgh (EDI), about 8h 39m of flying time (layover not included).

None.

5 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.