When is the best time to book flights for the cheapest price?
Flights from Heathrow to Las Vegas are often cheaper between September and May, outside of the peak summer months. Booking in advance can also help secure better deals.
Cheap flights from London Heathrow to Las Vegas
from as little as £541
14 nights in Las Vegas, departing London Heathrow on 16 / Sep / 2025 with JetBlue (price found 47 hours ago)
Subject to availability, prices correct of the last 24 hours Part of the Emirates Group
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Cheap return flights from London Heathrow to Las Vegas
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7
nightsAll prices shown are per person based on return flights only. Prices found in the last 48 hours.
The London Heathrow / Las Vegas route
All 8401 km of itCheap flight deals for this route
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What you need to knowAlternative flights from the UK to Las Vegas
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You might find cheaper flights nearby
Fly direct from London Heathrow to Las Vegas in around 10 hours. Virgin Atlantic and British Airways both fly direct, and many other airlines offer indirect flights with one or two stopovers. There are 4,561 flights every week, and the cheapest flight currently costs £541 with JetBlue and departs on 16 / Sep / 2025.
Min / Max Temperature (°C)
LOWEST
-1 °C
AVG
18 °C
HIGHEST
39 °C
Rainfall (mm)
LOWEST
4 mm
AVG
9.6 mm
HIGHEST
16 mm
Key facts about Las Vegas
Currency
United States dollar
Language
English
Timezone
8 hrs behind GMT
How to get cheap flights from London Heathrow to Las Vegas
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