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

Return flights

05 May - 10 May	Lufthansa
01 May - 12 May	KLM
04 May - 11 May	United
04 May - 11 May	British Airways	direct
05 May - 10 May	British Airways	direct
06 May - 06 Jun	United
01 May - 23 May	KLM
23 May - 29 May	WestJet
15 May - 24 May	Delta
27 May - 01 Jun	WestJet
24 May - 02 Jun	Brussels Airlines
24 May - 02 Jun	British Airways	direct
26 May - 06 Jun	WestJet
26 May - 06 Jun	British Airways	direct
27 May - 01 Jun	British Airways	direct
29 May - 12 Jun	Air Canada
23 May - 29 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 555€

Return flights