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

Return flights

13 Jan - 20 Jan	British Airways	direct
14 Jan - 28 Jan	American Airlines	direct
22 Jan - 28 Jan	Air Canada
04 Jan - 11 Jan	British Airways	direct
23 Jan - 30 Jan	British Airways	direct
22 Jan - 28 Jan	Delta	direct
08 Jan - 08 Feb	Air Canada
02 Jan - 19 Jan	Air Canada
03 Jan - 10 Jan	British Airways	direct
08 Jan - 08 Feb	American Airlines	direct
02 Jan - 19 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 $562

Return flights