Cheapest return flights from Las Vegas to London in September from $631

Best time to book flights for Las Vegas (LAS) to London (LGW) flights at AirHint

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

Return flights

20 Sep - 26 Sep Spirit Airlines
19 Sep - 03 Oct Spirit Airlines
16 Sep - 30 Sep Spirit Airlines
17 Sep - 01 Oct Spirit Airlines
18 Sep - 02 Oct Iberia direct
02 Sep - 09 Sep British Airways direct
16 Sep - 30 Sep British Airways direct
05 Sep - 12 Sep Alaska Airlines
11 Sep - 20 Sep Spirit Airlines
01 Sep - 22 Sep jetBlue
11 Sep - 20 Sep British Airways direct
01 Sep - 08 Sep WestJet

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

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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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