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

Return flights

06 May - 06 Jun	Scandinavian Airlines
18 May - 28 May	Finnair
06 May - 06 Jun	British Airways	direct
13 May - 06 Jun	British Airways
14 May - 06 Jun	jetBlue
19 May - 13 Jun	jetBlue
22 May - 29 May	jetBlue
19 May - 13 Jun	British Airways	direct
18 May - 28 May	British Airways	direct
26 May - 09 Jun	jetBlue
04 May - 09 May	jetBlue
22 May - 29 May	British Airways	direct
04 May - 09 May	British Airways	direct

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

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 May from $773

Return flights