AirHint found the following cheapest return flights from Kansas City (MCI) to London (LHR) in September 2026 (see full year).
Return flights
| 06 Sep - 16 Sep | Delta | ||
| 01 Sep - 05 Sep | Delta | ||
| 15 Sep - 20 Sep | British Airways | ||
| 12 Sep - 14 Sep | Air France |
Also check the deals for one-way flights from Kansas City to London in September.
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