AirHint found the following cheapest return flights from Las Vegas (LAS) to London (LHR) in January 2026 (see full year).

Return flights

07 Jan - 14 Jan	British Airways	direct
18 Jan - 29 Jan	British Airways	direct
07 Jan - 20 Feb	British Airways	direct
06 Jan - 31 Jan	British Airways	direct
14 Jan - 21 Jan	Delta	direct
13 Jan - 07 Feb	Iberia
13 Jan - 07 Feb	Air France	direct
11 Jan - 25 Jan	Finnair
13 Jan - 26 Jan	Air France
23 Jan - 14 Feb	Iberia
01 Jan - 29 Jan	British Airways	direct
24 Jan - 30 Jan	Frontier Airlines
02 Jan - 09 Jan	Air France	direct
24 Jan - 30 Jan	British Airways	direct

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

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 January from $547

Return flights