Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Early arrival? Instantly customize your resultsTrusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Las Vegas to London
Cheap round-trip flights
Cheap one-way flights
Cheap last-minute flights
Cheap direct flights
Scandinavian Airlines flights from Las Vegas to London
Our best Scandinavian Airlines deals on Las Vegas to London flight tickets
SWISS flights from Las Vegas to London
Our best SWISS deals on Las Vegas to London flight tickets
See travel insights to London from
How to get the cheapest flight ticket from Las Vegas to London
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?
In general, January is the cheapest month to fly from Las Vegas to London. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 705. If you aren’t able to travel to London during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of C$ 793.
What is the cheapest time of day to depart on your flight to London?
Our most recent data shows that the best time of day to fly to London is in the afternoon. Flights from Las Vegas to London during this time can be as low as C$ 978. At noon is when there is more demand to fly to London, so prices are often more expensive at around C$ 1,160 per ticket.
What is the cheapest Las Vegas Harry Reid Intl to London flight route?
Fly from Las Vegas Harry Reid Intl to London Gatwick for the best Las Vegas Harry Reid Intl - London flight prices
How far in advance should I book a flight to London?
You are more likely to see cheaper flights to London from Las Vegas when booking 15 weeks ahead of your departure date. In general, you can expect to find flights to London for around C$ 1,229 when searching 15 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Las Vegas for as low as C$ 1,076 on momondo.
What cabin class options are available on Las Vegas Harry Reid Intl to London flights?
There are 2 cabin classes available to choose from on Las Vegas Harry Reid Intl to London 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 flights?
No. A direct flight is the cheapest option for a flight between Las Vegas to London.
How many flights depart from Las Vegas to London on average per day?
As of June 2025, there are 10 flights per day flying from Las Vegas to London. The most common time of day flights depart is 9:00p.m., with 80% of flights taking off in the evening.
How many flights depart from Las Vegas to London on average per week?
The number of flights available between Las Vegas and London is 74 per week as of June 2025. The most frequent departure day is Tue, with 16% of weekly flights leaving on this day.
When to book flights from Las Vegas to London
Cheap Las Vegas to London (LAS to LON) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Las Vegas to London
How far is Las Vegas Harry Reid Intl to London by plane?
A flight from Las Vegas Harry Reid Intl to London will travel around 8395.4 km. By plane, this route typically takes 9h 55m.
When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to London?
Prices for flights from Las Vegas Harry Reid Intl Airport to London were last updated today.
How old do you have to be to fly from Las Vegas Harry Reid Intl Airport to London?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Las Vegas Harry Reid Intl Airport to London.
What documentation or ID do you need to fly to London?
The necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Las Vegas to London?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Las Vegas to London is Airbus A350-1000 (46.04% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (26.82%), Boeing 777 (20.31%), and Airbus A350-900 (1.88%).
Travelling to a place near London?
Book flights to London if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Las Vegas to London?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Las Vegas to London for you.
Can I find flights from Las Vegas to London with flexible booking policies on momondo?
momondo does allow users to show only those flights to London from Las Vegas which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Las Vegas to London?
Once you have performed a search for Las Vegas to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Las Vegas to London right now. Can momondo alert me if prices change?
Price alerts on flights to London from Las Vegas are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.