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

Return flights

04 Dec - 11 Dec	Spirit Airlines
09 Dec - 10 Dec	jetBlue
08 Dec - 09 Dec	jetBlue
16 Dec - 13 Jan	British Airways
25 Dec - 17 Jan	Frontier Airlines
03 Dec - 17 Dec	Spirit Airlines
15 Dec - 10 Jan	Frontier Airlines
09 Dec - 03 Jan	Frontier Airlines
26 Dec - 09 Jan	Spirit Airlines
15 Dec - 18 Dec	Hawaiian Airlines
19 Dec - 10 Jan	WestJet
25 Dec - 02 Jan	Spirit Airlines
13 Dec - 17 Dec	Hawaiian Airlines
20 Dec - 10 Jan	WestJet
21 Dec - 10 Jan	Frontier Airlines
16 Dec - 23 Dec	Hawaiian Airlines
17 Dec - 01 Jan	WestJet
17 Dec - 27 Dec	Lufthansa
18 Dec - 27 Dec	WestJet
17 Dec - 28 Dec	Sun Country Airlines

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

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 December from 581€

Return flights