Cheapest return flights from Las Vegas to London in December from $545

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

Return flights

02 Dec - 09 Dec Air Canada
03 Dec - 10 Dec Air Canada
10 Dec - 16 Dec American Airlines direct
09 Dec - 16 Dec British Airways direct
04 Dec - 16 Dec Aer Lingus
16 Dec - 23 Dec Air Canada
16 Dec - 23 Dec American Airlines direct
24 Dec - 09 Jan American Airlines direct
06 Dec - 12 Jan Scandinavian Airlines
04 Dec - 16 Dec British Airways direct
24 Dec - 08 Jan American Airlines direct
24 Dec - 17 Jan British Airways direct
06 Dec - 13 Dec British Airways direct
06 Dec - 12 Jan British Airways direct
22 Dec - 13 Jan Air Canada
05 Dec - 27 Dec British Airways
22 Dec - 13 Jan American Airlines direct
17 Dec - 10 Jan Spirit Airlines
17 Dec - 10 Jan Iberia direct
12 Dec - 02 Jan Delta direct

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

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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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