The cheapest times to fly from LAS to LHR are

  • January 8th to February 11th
  • March 5th to March 18th
  • April 16th to May 6th
  • August 6th to December 9th (except the weeks of August 27th and September 3rd)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from LAS to LHR is early October. Prices can be as high as $1197 for Saturday flights during mid December, or as low as $486 for Tuesday flights around early October.


When to Fly to London

Flying from Las Vegas, NV (LAS) to London (LHR) will usually cost between $513 to $898 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early October with an average ticket price of $497. Due to high demand the most expensive time to fly is mid December, with an average price of $973. Planning your trip to low-cost times can easily save you $476 on economy flights and even more on first-class flights. Generally, any price below $578 can be considered a good price for a round-trip LAS to LHR flight.

See below for a graph of average weekly prices for the LAS to LHR route. All prices are for round-trip tickets in USD.

LAS to LHR Flight Prices

Compared to other flights, the LAS to LHR flight is cheaper than the average and costs less than the average flight leaving from Las Vegas. The average price per mile (for a direct flight) is $0.07, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to LHR, and Monday the cheapest day to fly back into LAS. Saturdays are the most expensive days to fly to London, and Sundays are the most expensive days to return to Las Vegas. Selecting flights on the least expensive days could save you up to $62 (8%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $615. Return trip prices are from the LHR to LAS flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from LAS to LHR can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 10 hour 22 minutes may be realistic.


Flight Hacking LAS to LHR

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from LAS to LHR — but Champion Traveler does!

Hack #1: Los Angeles, CA (LAS > LAX > LHR)

  • Price for both tickets: $563
  • Average savings: $15 (2.6%)

See LAS to LAX flights

Hack #2: San Francisco, CA (LAS > SFO > LHR)

  • Price for both tickets: $570
  • Average savings: $8 (1.38%)

See LAS to SFO flights


Flight Questions Answered

Still have questions about flying from LAS to LHR? We’ve got answers.

Which airlines fly this route?

You can find 28 major airlines flying this route most often: Aer Lingus, Aeromexico, Air Canada, Air France, Air New Zealand, Alaska, American, Austrian, British Airways, Brussels Airlines, Condor, Delta, Eurowings, Finnair, Iberia, Icelandair, JetBlue, KLM, LOT, Lufthansa, SAS, Singapore Airlines, SWISS, Tap Air Portugal, Turkish Airlines, United, Virgin Atlantic, WestJet, and potentially more during busy seasons.

How far away is it from London Heathrow Airport to McCarran International Airport?

The distance between the two airports is roughly 5215 miles or 8393 kilometers.

How long does it take to fly from LAS to LHR?

The real-world flight time for a nonstop LAS to LHR flight is about 10 hour 22 minutes.

How many flights go between Las Vegas, NV and London?

It depends on the day of the week and the date, but a typical day might have around 49 available flights from LAS to LHR.


Airport Location Info


Departing Airport

Origination codeLAS
Origination airport nameMcCarran International Airport
CityLas Vegas, NV
Countrythe United States

Return Airport

Destination codeLHR
Destination airport nameLondon Heathrow Airport
Countrythe United Kingdom


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.