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

Return flights

31 Jul - 07 Aug	jetBlue
28 Jul - 12 Aug	Frontier Airlines
31 Jul - 04 Aug	jetBlue
28 Jul - 04 Aug	Spirit Airlines
28 Jul - 12 Aug	Delta	direct
30 Jul - 04 Aug	jetBlue
31 Jul - 07 Aug	Virgin Atlantic	direct
29 Jul - 16 Aug	Virgin Atlantic	direct
28 Jul - 04 Aug	Virgin Atlantic	direct
30 Jul - 04 Aug	Delta	direct

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

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 July from 747€

Return flights