Cheap flights from Las Vegas to London from $257
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Las Vegas to London departing on 7/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Virgin Atlantic flights from Las Vegas to London Heathrow Airport
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Scandinavian Airlines flights from Las Vegas to London Heathrow Airport
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How to get the cheapest flight ticket from Las Vegas to London Heathrow Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to London Heathrow Airport?
The month of January is, on average, the cheapest month to fly to London Heathrow Airport from Las Vegas, with most prices found around $696. If you’re not able to fly to London Heathrow Airport in January, then February is your next best option. Flight prices from Las Vegas to London Heathrow Airport during February average around $725.
What is the cheapest day to depart on your flight to London Heathrow Airport?
Our data shows that Monday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $971. The most expensive day to fly to London Heathrow Airport is Friday, with ticket prices averaging around $1,168.
What is the cheapest time of day to depart on your flight to London Heathrow Airport?
According to our data, the cheapest time of day to fly to London Heathrow Airport is in the morning. momondo users have found flights departing from Las Vegas to London Heathrow Airport in the morning for as low as $783. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $1,048.
What is the cheapest Las Vegas Harry Reid Intl to London Heathrow flight route?
Fly from Las Vegas Harry Reid Intl to London Heathrow for the best Las Vegas Harry Reid Intl - London Heathrow flight prices
How far in advance should I book a flight to London Heathrow Airport?
You are more likely to see cheaper flights to London Heathrow Airport from Las Vegas when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $906 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Las Vegas for as low as $782 on momondo.
What cabin class options are available on Las Vegas Harry Reid Intl to London Heathrow flights?
There are 3 cabin classes available to choose from on Las Vegas Harry Reid Intl to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Las Vegas to London Heathrow Airport flights?
You could potentially save up to 33% on your flight if you consider stops on a Las Vegas to London Heathrow Airport flight.
How have Las Vegas to London Heathrow Airport flight prices changed over time?
As of July 2025, prices for Las Vegas to London Heathrow Airport flights are approximately 21% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Las Vegas Harry Reid Intl to London Heathrow?
WestJet is the most popular carrier operating from Las Vegas Harry Reid Intl to London Heathrow
What airlines fly to London Heathrow Airport?
British Airways, Virgin Atlantic and Delta are the top three most popular airlines that fly to London Heathrow Airport from Las Vegas according to our data. British Airways is the first choice among our users, with 38% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 9 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Las Vegas to London Heathrow Airport on average per day?
As of July 2025, 8 flights take off from Las Vegas and land in London Heathrow Airport each day. The most common flight departure time for this route is 9:00PM, with 100% of daily flights taking off in the evening.
How many flights depart from Las Vegas to London Heathrow Airport on average per week?
As of July 2025, 59 flights take off from Las Vegas and land in London Heathrow Airport each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.
When to book flights from Las Vegas to London Heathrow Airport
Cheap Las Vegas to London Heathrow Airport (LAS to LHR) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Las Vegas to London Heathrow Airport
How far is Las Vegas Harry Reid Intl to London Heathrow by plane?
The distance between Las Vegas Harry Reid Intl and London Heathrow is about 5207.1 mi. Flights usually cover this in 9h 55m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to London Heathrow Airport?
Prices for flights from Las Vegas Harry Reid Intl Airport to London Heathrow Airport are updated daily.
How many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to London Heathrow Airport?
The number of operators available for flights from Las Vegas Harry Reid Intl Airport to London Heathrow Airport is 9 as of July 2025.
How old do you have to be to fly from Las Vegas Harry Reid Intl Airport to London Heathrow Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Las Vegas Harry Reid Intl Airport to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Las Vegas to London Heathrow Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Las Vegas to London Heathrow Airport is Airbus A350-1000 (58.00% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (17.52%), Boeing 777 (17.15%), and Airbus A350-900 (2.62%).
What is the most popular airline from Las Vegas to London Heathrow Airport?
momondo data reveals that the most frequently booked airline on the route from Las Vegas to London Heathrow Airport is British Airways, representing 31% of all bookings. The subsequent popular airlines are Virgin Atlantic at 23%, Delta at 18%, and American Airlines at 9%.
Best airlines flying from Las Vegas to London Heathrow Airport
Compare and see reviews for airlines that fly from Las Vegas to London Heathrow Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $502 | Free Cancellation | Rating 7.1 9,678 reviews | |||
| PriceFrom $543 | Free Cancellation | Rating 7.4 654 reviews | |||
| PriceFrom $580 | Free Cancellation | Rating 7.4 8,861 reviews | |||
| PriceFrom $604 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $608 | Free Cancellation | Rating 7.0 2,819 reviews | |||
| PriceFrom $609 | Free Cancellation | Rating 8.0 7,983 reviews | |||
| PriceFrom $637 | Free Cancellation | Rating 6.6 7,093 reviews | |||
| PriceFrom $750 | Free Cancellation | Rating 7.3 2,916 reviews | |||
| PriceFrom $880 | Free Cancellation | Rating 7.1 1,144 reviews |
Delta Flights From Las Vegas to London Heathrow Airport
The lowest priced Delta flight from Las Vegas to London Heathrow Airport from the last 72 hours was $609. Generally, Delta has 7 flights on this route every week with an average price of $948. Delta is rated 8.0/10 by our users.
Virgin Atlantic Flights From Las Vegas to London Heathrow Airport
The best Virgin Atlantic deal for Las Vegas to London Heathrow Airport flight tickets found on momondo in the last 72 hours was $543, round-trip. It should be noted that an average Virgin Atlantic flight deal for this route in this time was higher, at $1,007 round-trip. Virgin Atlantic operates 7 flights out of Las Vegas into London Heathrow Airport in an average week, so prices vary by time and availability. 654 Virgin Atlantic reviews by users on momondo have scored the airline at 7.4/10.
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Why should I use momondo to find a flight deal from Las Vegas to London?
It is quick and easy to find Las Vegas to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.
Can I find flights from Las Vegas to London with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Las Vegas to London flights to just show those with flexible booking policies.
How can momondo help me find flights from Las Vegas to London?
momondo helps you find the best flight between Las Vegas and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Las Vegas to London right now. Can momondo alert me if prices change?
If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Las Vegas and alert you when they change.