S$700 Cheap Flights from Las Vegas to London

View S$700 flight on Mon, 27 Jul, 2026Opens in a new window

Popular airlines from Harry Reid Intl. Airport (LAS) to Heathrow Airport (LHR)

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Cheap Flights from Las Vegas to London (LAS-LHR)

Prices were available within the past 7 days and start at S$700 for one-way flights and S$1,212 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, 23 Sept - Sat, 3 Oct
LAS
Las Vegas
LHR
London
S$1,212 Return, found 4 days ago
S$1,212
Return
found 4 days ago
Select United flight, departing Wed, 23 Sept from Las Vegas to London, returning Sat, 3 Oct, priced at S$1,212 found 4 days ago
Swiss International Air Lines
Wed, 23 Sept - Sat, 3 Oct
LAS
Las Vegas
LHR
London
S$1,224 Return, found 4 days ago
S$1,224
Return
found 4 days ago
Select Swiss International Air Lines flight, departing Wed, 23 Sept from Las Vegas to London, returning Sat, 3 Oct, priced at S$1,224 found 4 days ago
Finnair
Wed, 23 Sept - Sat, 3 Oct
LAS
Las Vegas
LHR
London
S$1,248 Return, found 4 days ago
S$1,248
Return
found 4 days ago
Select Finnair flight, departing Wed, 23 Sept from Las Vegas to London, returning Sat, 3 Oct, priced at S$1,248 found 4 days ago
United
Wed, 23 Sept - Sat, 3 Oct
LAS
Las Vegas
LHR
London
S$1,252 Return, found 4 days ago
S$1,252
Return
found 4 days ago
Select United flight, departing Wed, 23 Sept from Las Vegas to London, returning Sat, 3 Oct, priced at S$1,252 found 4 days ago
United
Wed, 23 Sept - Sat, 3 Oct
LAS
Las Vegas
LHR
London
S$1,255 Return, found 4 days ago
S$1,255
Return
found 4 days ago
Select United flight, departing Wed, 23 Sept from Las Vegas to London, returning Sat, 3 Oct, priced at S$1,255 found 4 days ago
Virgin Atlantic
Wed, 23 Sept - Sat, 3 Oct
LAS
Las Vegas
LHR
London
S$1,255 Return, found 4 days ago
S$1,255
Return
found 4 days ago
Select Virgin Atlantic flight, departing Wed, 23 Sept from Las Vegas to London, returning Sat, 3 Oct, priced at S$1,255 found 4 days ago
Delta
Wed, 23 Sept - Sat, 3 Oct
LAS
Las Vegas
LHR
London
S$1,255 Return, found 4 days ago
S$1,255
Return
found 4 days ago
Select Delta flight, departing Wed, 23 Sept from Las Vegas to London, returning Sat, 3 Oct, priced at S$1,255 found 4 days ago
Swiss International Air Lines
Wed, 23 Sept - Sat, 3 Oct
LAS
Las Vegas
LHR
London
S$1,264 Return, found 4 days ago
S$1,264
Return
found 4 days ago
Select Swiss International Air Lines flight, departing Wed, 23 Sept from Las Vegas to London, returning Sat, 3 Oct, priced at S$1,264 found 4 days ago
Swiss International Air Lines
Wed, 23 Sept - Sat, 3 Oct
LAS
Las Vegas
LHR
London
S$1,267 Return, found 4 days ago
S$1,267
Return
found 4 days ago
Select Swiss International Air Lines flight, departing Wed, 23 Sept from Las Vegas to London, returning Sat, 3 Oct, priced at S$1,267 found 4 days ago
United
Wed, 23 Sept - Sat, 3 Oct
LAS
Las Vegas
LHR
London
S$1,276 Return, found 4 days ago
S$1,276
Return
found 4 days ago
Select United flight, departing Wed, 23 Sept from Las Vegas to London, returning Sat, 3 Oct, priced at S$1,276 found 4 days ago

Find the cheapest month to fly from Las Vegas (LAS) to London (LHR)

September is typically the cheapest month to fly

From S$919 - S$1,540 per traveller.

Frequently asked questions

How much is a flight from Harry Reid Airport (formerly McCarran Airport) to LHR?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price quoted for a round-trip flight between Harry Reid Airport (formerly McCarran Airport) and London Heathrow was S$1,212. Great fares don't stick around for long, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Harry Reid Airport (formerly McCarran Airport) to Heathrow Airport (LHR)?
Each airline has its own set of terms and conditions. If you decide to cancel your escape, head to our Customer Service Portal.
How do I find cheap flights from LAS to LHR that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for LAS to LHR flights, you'll see a "no change fees" filter for you to select.
How far is the flight from LAS to Heathrow Airport?
The distance is around 8,400 kilometres. Sleep mask? Check. Warm clothes? Double check. You'd be wise to pack all the travel comforts for this long-haul Las Vegas to Hounslow flight.
Which airlines fly direct from Harry Reid Airport (formerly McCarran Airport) to London Heathrow?
Many travellers opt to fly with Virgin Atlantic (VS) from LAS to Heathrow Airport (LHR). This top airline offers 30 flights every month, so you can easily find a flight time that's perfect for you. British Airways (BA) is another popular choice. It offers 30 flights per month. Between these two airlines, you'll be able to find a great deal from Las Vegas to Hounslow.
Are LAS to Heathrow Airport flight tickets cheaper when they're purchased at the last minute?
It is possible to get amazing last-minute deals from Harry Reid Airport (formerly McCarran Airport) to Heathrow Airport, but it's also possible to miss out altogether! As many airlines release prices up to a year in advance, it's worth keeping an eye on fares early and being ready to pounce when you see a good bargain. Expedia compares air carrier prices and updates flight deals frequently, so you can rest easy knowing you're always getting the latest offers.

Travel information

Origin airport
Harry Reid Intl.
Destination airport
Heathrow
Return price
S$1,212
Distance
8345 km
Average flight time
17 hours 55 mins

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