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 £488
6 nights in Las Vegas, departing London Heathrow on 10 / Sep / 2025 with JetBlue (price found 41 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
Find the best dealsReturn in
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
See what's hot at the momentNo deals available at this time.
Las Vegas flight facts
What you need to knowAlternative flights from the UK to Las Vegas
Check out prices for other routesAlternative flights from London Heathrow to Las Vegas
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 5,863 flights every week, and the cheapest flight currently costs £488 with JetBlue and departs on 10 / 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
Tips and advice from our flight expertsOther popular destinations near Las Vegas
Where other people are flying to
