LHR ⇄ LAS, United States

Cheap flights from London to Las Vegas

A good round-trip price from London to Las Vegas is under £490. Over the last 2 days the lowest fare we found each day was usually around £490, and the lowest of all was £490, for travel in December 2026. The cheapest month to fly is December 2026, at around £490.

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Good price: £490; under this is a deal · round trip
Typical price: £490; the middle of what we saw · round trip
Lowest we saw: £490; for December 2026 · round trip
Nonstop: 0%; of the cheapest fares

Cheapest months to fly

The cheapest round trip for each departure month, from fares seen on November 11, 2026.

Dec 26£490 (Cheapest)

Price over the last 30 days

The lowest round-trip fare we found each day. Today: £490.

£490£490

Deals on this route

Members get an alert when a fare on this route drops well under £490.

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Questions about this route

What is a good price to fly from London to Las Vegas?

Under £490 round trip is a good price. Over the last 2 days the typical fare was £490 and the lowest was £490.

Are there cheap nonstop flights from London to Las Vegas?

None of the cheapest daily fares we found were nonstop. Expect one stop at the lowest prices.

How far ahead should I book flights from London to Las Vegas?

The cheapest quarter of fares we found were for trips about 45 days ahead. Deals also appear at short notice, which is why members get alerts.

How long is the flight from London to Las Vegas?

About 12 h 47 min one way on the cheapest fares we found, including any stops.

Fares like these don't wait

Members get an alert when a fare from their city drops far below normal, with the dates and a link to book.