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

Return flights

04 Mar - 11 Mar	British Airways
12 Mar - 26 Mar	Hawaiian Airlines
15 Mar - 29 Mar	British Airways	direct
24 Mar - 31 Mar	United
31 Mar - 10 Apr	British Airways	direct
24 Mar - 31 Mar	British Airways	direct
14 Mar - 21 Mar	British Airways	direct
12 Mar - 26 Mar	British Airways	direct

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

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.

Book a cheap hotel in London

Cheap car rent in London

Cheapest return flights from Las Vegas to London in March from 482€

Return flights