Heathrow's security lines can be lengthy; ensure all liquids are in one bag to avoid delays.

Most accurate provider | Mytrip 3 stars |
|---|---|
Most trusted provider | Mytrip 3 stars |
Round-trip from | $593 (Expedia) |
One-way from | $546 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $773 |
Good round-trip deal | $628 or less |
Good one-way deal | $812 or less |
Fly from
Fly to
Route
Depart
Return
Price
LondonLas Vegas
LHR - LAS
LHRLAS
London Heathrow
lun. 1/26
4:00 pm-6:50 pm
Nonstop10h 50m
Las Vegas Harry Reid Intl
mar. 2/10
11:35 am-8:45 am
1 stop13h 10m
LondonLas Vegas
LCY - LAS
LCYLAS
London City
lun. 2/9
9:15 am-10:24 pm
2 stops21h 09m
Las Vegas Harry Reid Intl
dom. 2/22
4:25 pm-6:40 pm
2 stops18h 15m
LondonLas Vegas
LHR - LAS
LHRLAS
London Heathrow
vie. 4/17
2:50 pm-8:58 pm
1 stop14h 08m
Las Vegas Harry Reid Intl
lun. 5/4
3:50 pm-2:10 pm
1 stop14h 20m
LondonLas Vegas
LCY - LAS
LCYLAS
London City
jue. 1/22
9:15 am-11:19 pm
2 stops22h 04m
Las Vegas Harry Reid Intl
mié. 2/4
1:50 pm-5:05 pm
2 stops19h 15m
LondonLas Vegas
LHR - LAS
LHRLAS
London Heathrow
sáb. 4/18
1:05 pm-8:38 pm
1 stop15h 33m
Las Vegas Harry Reid Intl
dom. 5/3
6:00 am-10:10 am
1 stop20h 10m
LondonLas Vegas
LHR - LAS
LHRLAS
London Heathrow
sáb. 4/18
12:15 pm-10:13 pm
1 stop17h 58m
Las Vegas Harry Reid Intl
sáb. 5/9
11:45 pm-6:55 am
1 stop23h 10m
LondonLas Vegas
LHR - LAS
LHRLAS
London Heathrow
jue. 4/30
2:50 pm-11:59 pm
2 stops17h 09m
Las Vegas Harry Reid Intl
dom. 5/3
6:00 am-10:10 am
1 stop20h 10m
LondonLas Vegas
LCY - LAS
LCYLAS
London City
mar. 4/7
9:15 am-4:25 pm
1 stop15h 10m
Las Vegas Harry Reid Intl
mar. 4/14
7:00 pm-5:30 pm
1 stop14h 30m
LondonLas Vegas
LHR - LAS
LHRLAS
London Heathrow
sáb. 4/11
2:50 pm-11:55 pm
2 stops17h 05m
Las Vegas Harry Reid Intl
jue. 4/16
8:00 am-7:25 am
2 stops15h 25m
LondonLas Vegas
LTN - LAS
LTNLAS
London Luton
jue. 1/22
9:00 am-5:50 pm
1 stop16h 50m
Las Vegas Harry Reid Intl
jue. 2/5
7:35 pm-8:30 pm
1 stop16h 55m
| 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*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
The best time to book flights from London to Las Vegas is 77 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, March is the cheapest month in which you can book a flight from London to Las Vegas (average of $412). Flying from London to Las Vegas in June is currently the most expensive (average of $714). 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.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London to Las Vegas as you normally would.
The most flights from LON to LAS are scheduled on a Thursday (15 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).
Dallas (DFW) – chosen by Cheapflights users on 40% of 1-stop itineraries from London to Las Vegas on Cheapflights.
Zurich (ZRH) is the most affordable 1-stop option, with an average round-trip price of $419.
Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 13h 45m.
Flights via Zurich (ZRH) offer the fastest connection on this route, with an average layover time of 1h 23m.
About 17% of weekly flights between London and Las Vegas have experienced delays in the past year, with the average delay time being 122 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
Food
Overall
Comfort
Crew
Reviews
Jim,Nov 2025
AVL - ATL
Entertainment
Boarding
Food
Overall
Comfort
Crew
Reviews
Jim,Nov 2025
AVL - ATL
Entertainment
Boarding
Food
Overall
Comfort
Crew
Reviews
Jim,Nov 2025
AVL - ATL
Entertainment
Boarding
Food
Overall
Comfort
Crew
Reviews
Jim,Nov 2025
AVL - ATL
Entertainment
Boarding
Food
Overall
Comfort
Crew
Reviews
Jim,Nov 2025
AVL - ATL
Entertainment
Boarding
Food
Overall
Comfort
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% | |
| Cheapest$763 | Average$1,136 | FlexibilityNo cancel fee | On-time77% |