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

Return flights

30 Jan - 07 Feb	Flair Airlines
31 Jan - 07 Feb	Air Canada
29 Jan - 03 Feb	KLM
28 Jan - 17 Feb	Air Canada
12 Jan - 19 Feb	jetBlue
31 Jan - 07 Feb	Air France	direct
28 Jan - 02 Feb	Delta	direct
19 Jan - 26 Jan	WestJet
21 Jan - 25 Jan	WestJet
26 Jan - 01 Feb	WestJet
08 Jan - 17 Jan	Flair Airlines
10 Jan - 18 Jan	Air Canada
07 Jan - 11 Jan	WestJet
08 Jan - 14 Jan	Flair Airlines
08 Jan - 18 Jan	Flair Airlines
08 Jan - 16 Jan	Flair Airlines
08 Jan - 20 Jan	Spirit Airlines
11 Jan - 18 Jan	Frontier Airlines
13 Jan - 13 Feb	Lufthansa
13 Jan - 13 Feb	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 $591

Return flights