AirHint found the following cheapest return flights from Las Vegas (LAS) to London (LHR) in October 2025 (see full year).

Return flights

07 Oct - 15 Oct	Delta
07 Oct - 14 Oct	British Airways	direct
01 Oct - 08 Oct	British Airways	direct
07 Oct - 15 Oct	British Airways	direct
22 Oct - 29 Oct	British Airways
01 Oct - 21 Nov	Delta
10 Oct - 15 Oct	Lufthansa
03 Oct - 06 Oct	Virgin Atlantic
27 Oct - 10 Nov	Frontier Airlines
01 Oct - 06 Oct	SWISS
01 Oct - 06 Oct	Delta	direct
16 Oct - 23 Oct	British Airways
30 Oct - 13 Nov	Delta
25 Oct - 01 Nov	British Airways
30 Oct - 06 Nov	United

Also check the deals for one-way flights from Las Vegas to London in October.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Las Vegas to London in October from 477€

Return flights