Are there nonstop flights from Oklahoma City (OKC) to London (LHR)?

No. The fastest connection is via Chicago, about 9h 47m of total flying time.

What is the fastest connection from Oklahoma City (OKC) to London (LHR)?

via Chicago ≈ 9h 47m, via Minneapolis ≈ 9h 54m, via Nashville ≈ 10h 4m (estimated flying time, excluding layovers).

from 27,500 ANA miles, from 37,000 JAL miles (economy, one way, based on the published award charts).

OKC Will Rogers World Airport (OKC) to London Heathrow Airport (LHR)・7,455 km

No nonstop flights. The fastest connection is via Chicago (ORD), about 9h 47m of flying time (layover not included).

With milesANA 27,500 miles+ (via ORD)JAL 37,000 miles+ (via DFW)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

18 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.