At Heathrow, allow extra time for strict security checks. Ensure all liquids are in one small bag to avoid delays.

Most accurate provider | Mytrip 3 stars |
|---|---|
Most trusted provider | Mytrip 3 stars |
Round-trip from | $595 (oojo) |
One-way from | $547 (Kissandfly.com) |
Popular in | August |
Cheapest in | January |
Average price | $760 |
Good round-trip deal | $578 or less |
Good one-way deal | $727 or less |
Fly from
Fly to
Route
Depart
Return
Price
LondonLas Vegas
LHR - LAS
LHRLAS
London Heathrow
Sun 4/19
10:00 am-6:23 pm
1 stop16h 23m
Las Vegas Harry Reid Intl
Thu 4/23
8:00 am-7:25 am
2 stops15h 25m
LondonLas Vegas
LHR - LAS
LHRLAS
London Heathrow
Mon 1/26
4:00 pm-6:50 pm
Nonstop10h 50m
Las Vegas Harry Reid Intl
Tue 2/10
2:10 pm-10:00 am
1 stop11h 50m
LondonLas Vegas
LHR - LAS
LHRLAS
London Heathrow
Wed 3/11
4:00 pm-7:50 pm
Nonstop10h 50m
Las Vegas Harry Reid Intl
Mon 3/16
9:45 pm-2:40 pm
Nonstop9h 55m
LondonLas Vegas
LHR - LAS
LHRLAS
London Heathrow
Mon 6/15
5:25 pm-8:10 pm
Nonstop10h 45m
Las Vegas Harry Reid Intl
Fri 7/3
5:00 pm-1:05 pm
1 stop12h 05m
LondonLas Vegas
LHR - LAS
LHRLAS
London Heathrow
Fri 4/3
8:05 pm-4:25 pm
1 stop28h 20m
Las Vegas Harry Reid Intl
Tue 4/14
7:00 pm-9:30 pm
2 stops18h 30m
LondonLas Vegas
LHR - LAS
LHRLAS
London Heathrow
Tue 4/7
2:50 pm-8:58 pm
1 stop14h 08m
Las Vegas Harry Reid Intl
Mon 4/13
10:40 pm-8:40 pm
1 stop14h 00m
LondonLas Vegas
LHR - LAS
LHRLAS
London Heathrow
Fri 7/3
2:50 pm-8:19 pm
1 stop13h 29m
Las Vegas Harry Reid Intl
Fri 7/24
8:00 am-7:40 am
1 stop15h 40m
LondonLas Vegas
LHR - LAS
LHRLAS
London Heathrow
Mon 6/15
2:05 pm-9:09 am
2 stops27h 04m
Las Vegas Harry Reid Intl
Fri 7/3
6:00 am-10:00 am
2 stops20h 00m
LondonLas Vegas
LHR - LAS
LHRLAS
London Heathrow
Sat 5/16
5:15 pm-8:00 pm
Nonstop10h 45m
Las Vegas Harry Reid Intl
Wed 5/20
10:10 pm-4:05 pm
Nonstop9h 55m
LondonLas Vegas
LHR - LAS
LHRLAS
London Heathrow
Mon 2/2
12:20 pm-10:35 pm
1 stop18h 15m
Las Vegas Harry Reid Intl
Sun 2/15
9:05 pm-2:55 pm
Nonstop9h 50m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*1 star |
The best time to book flights from London Heathrow Airport to Las Vegas is 67 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, December is the cheapest month in which you can book a flight from London Heathrow Airport to Las Vegas (average of $591). Flying from London Heathrow Airport to Las Vegas in August is currently the most expensive (average of $704). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
When flying from London Heathrow Airport to Las Vegas, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
About 16% of weekly flights between London and Las Vegas have experienced delays in the past year, with the average delay time being 123 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Over the last year, American Airlines have had the lowest number of delays on this route, with just 11% of flights being delayed.
Entertainment
Boarding
Overall
Comfort
Food
Crew
Reviews
Jim,Nov 2025
AVL - ATL
Entertainment
Boarding
Overall
Comfort
Food
Crew
Reviews
Jim,Nov 2025
AVL - ATL
Entertainment
Boarding
Overall
Comfort
Food
Crew
Reviews
Jim,Nov 2025
AVL - ATL
Entertainment
Boarding
Overall
Comfort
Food
Crew
Reviews
Jim,Nov 2025
AVL - ATL
Entertainment
Boarding
Overall
Comfort
Food
Crew
Reviews
Jim,Nov 2025
AVL - ATL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$600 | Average$872 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$651 | Average$980 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$652 | Average$1,072 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$680 | Average$1,021 | FlexibilityNo cancel fee | On-time70% |