Are there nonstop flights from London (STN) to Cartagena (CTG)?

No. The fastest connection is via Amsterdam, about 11h 17m of total flying time.

What is the fastest connection from London (STN) to Cartagena (CTG)?

via Amsterdam ≈ 11h 17m, via Madrid ≈ 11h 38m, via Zurich ≈ 12h 10m (estimated flying time, excluding layovers).

London Stansted Airport (STN) to Rafael Nuñez International Airport (CTG)・8,119 km

No nonstop flights. The fastest connection is via Amsterdam (AMS), about 11h 17m of flying time (layover not included).

None.

4 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.