Cheap flights from London to Las Vegas from $630 LCY, LGW, LHR, LTN, SEN, STN → LAS
London City Airport (LCY), London Gatwick Airport (LGW), London Heathrow Airport (LHR), London Luton Airport (LTN), London Southend Airport (SEN), Stansted Airport (STN) → McCarran International Airport (LAS)
The cheapest return found recently is $630 with Alaska Airlines, 6 Sept 2027 – 13 Sept 2027, found yesterday.
- Cheapest return found recently
- $630, 6 Sept 2027 to 13 Sept 2027
- Usual return price
- $759 to $896
- Cheapest month to fly
- September 2027, return fares from $630 found in the last 7 days
- Airlines with nonstop flights
- American Airlines, British Airways
Return
The cheapest return fare on each of 4 departure dates is usually $759 to $896.
Cheapest return found recently
$630
6 Sept 2027 – 13 Sept 2027 · Alaska Airlines
London Heathrow Airport (LHR) → McCarran International Airport (LAS)
Leaves 5:00 p.m. · Return leaves 2:04 p.m. · 43 h 7 min of travel, both ways together
out 1 stop, back 1 stop
found yesterday
Cheapest nonstop return
$936
18 Mar 2027 – 24 Mar 2027 · British Airways
London Heathrow Airport (LHR) → McCarran International Airport (LAS)
Leaves 4:05 p.m. · Return leaves 7:50 a.m. · 20 h 40 min of travel, both ways together
out nonstop, back nonstop
found yesterday
Found recently, and the cheapest we hold
$630 6 Sept 2027 – 13 Sept 2027found yesterdaySee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 38 days, 26 Sept to 12 Nov, the cheapest return we saw each day was $616 to $977.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 4 departure dates from 3 Dec to 6 Sept 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 7-night return fares leaving within 3 days of 6 Sept 2027 to compare.
Every date we hold
30 fares on 4 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 3 Dec – 15 Dec | $1,038 | Virgin Atlantic | London City Airport (LCY) → McCarran International Airport (LAS) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 15 Dec – 29 Dec | $849 | United Airlines | London Heathrow Airport (LHR) → McCarran International Airport (LAS) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 18 Mar 2027 – 23 Mar 2027 | $802 | Air Canada | London Heathrow Airport (LHR) → McCarran International Airport (LAS) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 6 Sept 2027 – 13 Sept 2027 | $630 | Alaska Airlines | London Heathrow Airport (LHR) → McCarran International Airport (LAS) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
Which month looks cheapest?
September 2027 is the cheapest month — from $630.
Airlines on the cheapest dates: Virgin Atlantic, United Airlines, Air Canada, Alaska Airlines.
Premium cabin fares from London to Las Vegas
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 6 Sept 2027 – 13 Sept 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for London to Las Vegas?
Return
Fares 90 to 179 days before departure were typically 14% lower than 7 to 13 days before departure.
From the cheapest return each day between 26 Sept and 12 Nov (38 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 7–13 days | $714 | $654 | +16% | 7 |
| 14–29 days | $977 | $750 | +59% | 7 |
| 30–59 days | $954 | $661 | +55% | 11 |
| 60–89 days | $644 | $644 | +5% | 9 |
| 90–179 days | $616 | $616 | Cheapest seen | 14 |
| 180+ days | $643 | $630 | +4% | 18 |
Live price for these dates
The cheapest return found recently is for 6 Sept 2027 – 13 Sept 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from London to Las Vegas?
The cheapest return found recently is $630 with Alaska Airlines, 6 Sept 2027 to 13 Sept 2027, found yesterday. The cheapest return fare on each of 4 departure dates is usually $759 to $896.
What is the cheapest month to fly from London to Las Vegas?
September 2027 is the cheapest month for a return, from $630, 6 Sept 2027 to 13 Sept 2027, found yesterday.
How far ahead should I book a flight from London to Las Vegas?
In 38 days of prices between 26 Sept and 12 Nov, return fares 90 to 179 days before departure were typically 14% lower than 7 to 13 days before departure.
Is there a direct flight from London to Las Vegas?
Yes, the cheapest nonstop return found recently is $936 with British Airways, 18 Mar 2027 to 24 Mar 2027, found yesterday.
Which airlines have the cheapest flights from London to Las Vegas?
Between 3 Dec and 6 Sept 2027, Virgin Atlantic has the cheapest return on 1 of the 4 departure dates we hold, United Airlines on 1 and Air Canada on 1.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work