$245 Cheap Flights from Las Vegas (LAS) to London (LHR)

View $245 flight on Sun, Jan 18, 2026Opens in a new window

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

Today's featured flight deals from Harry Reid Intl. Airport (LAS) to Heathrow Airport (LHR)

Nonstop
Carry-on included
Lower price than typical

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

Prices were available within the past 7 days and start at $245 for one-way flights and $519 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Fri, Jan 16 - Sat, Jan 24
LAS
Las Vegas
LHR
London
$519 Roundtrip, found 1 day ago
$519
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Fri, Jan 16 from Las Vegas to London, returning Sat, Jan 24, priced at $519 found 1 day ago
JetBlue Airways
Fri, Jan 23 - Tue, Jan 27
LAS
Las Vegas
LHR
London
$520 Roundtrip, found 3 days ago
$520
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Fri, Jan 23 from Las Vegas to London, returning Tue, Jan 27, priced at $520 found 3 days ago
Air Canada
Fri, Jan 16 - Sat, Jan 24
LAS
Las Vegas
LHR
London
$522 Roundtrip, found 1 day ago
$522
Roundtrip
found 1 day ago
Select Air Canada flight, departing Fri, Jan 16 from Las Vegas to London, returning Sat, Jan 24, priced at $522 found 1 day ago
Iberia
Fri, Jan 23 - Tue, Jan 27
LAS
Las Vegas
LHR
London
$527 Roundtrip, found 3 days ago
$527
Roundtrip
found 3 days ago
Select Iberia flight, departing Fri, Jan 23 from Las Vegas to London, returning Tue, Jan 27, priced at $527 found 3 days ago
Virgin Atlantic
Mon, Mar 23 - Wed, Apr 1
LAS
Las Vegas
LHR
London
$547 Roundtrip, found 11 hours ago
$547
Roundtrip
found 11 hours ago
Select Virgin Atlantic flight, departing Mon, Mar 23 from Las Vegas to London, returning Wed, Apr 1, priced at $547 found 11 hours ago
United
Fri, Dec 5 - Sun, Dec 7
LAS
Las Vegas
LHR
London
$558 Roundtrip, just found
$558
Roundtrip
just found
Select United flight, departing Fri, Dec 5 from Las Vegas to London, returning Sun, Dec 7, priced at $558 just found
Delta
Tue, Dec 9 - Fri, Jan 9
LAS
Las Vegas
LHR
London
$576 Roundtrip, just found
$576
Roundtrip
just found
Select Delta flight, departing Tue, Dec 9 from Las Vegas to London, returning Fri, Jan 9, priced at $576 just found
British Airways
Tue, Dec 9 - Fri, Jan 9
LAS
Las Vegas
LHR
London
$582 Roundtrip, just found
$582
Roundtrip
just found
Select British Airways flight, departing Tue, Dec 9 from Las Vegas to London, returning Fri, Jan 9, priced at $582 just found
American Airlines
Tue, Nov 11 - Tue, Nov 18
LAS
Las Vegas
LHR
London
$597 Roundtrip, just found
$597
Roundtrip
just found
Select American Airlines flight, departing Tue, Nov 11 from Las Vegas to London, returning Tue, Nov 18, priced at $597 just found
KLM
Tue, Dec 9 - Fri, Jan 9
LAS
Las Vegas
LHR
London
$628 Roundtrip, just found
$628
Roundtrip
just found
Select KLM flight, departing Tue, Dec 9 from Las Vegas to London, returning Fri, Jan 9, priced at $628 just found

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

January is typically the cheapest month to fly

From $499 - $1,145 per traveler.

Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Gatwick LGW. Average driving time to city center is 52 minutes. Flights from $1,339
LGW
Gatwick
Average driving time to city center52 min
Flights from $1,339
Select flight to London City LCY. Closest option available. Average driving time to city center is 21 minutes. Flights from $1,445
LCY
London City
Closest
Average driving time to city center21 min
Flights from $1,445
Flights from Las Vegas (LAS) to London (LHR)
Origin airport
Harry Reid Intl.
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, Air France, Alaska Airlines, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, JetBlue Airways, KLM, Lufthansa, Swiss International Air Lines, United, Virgin Atlantic, WestJet
Roundtrip price
$519
Distance
5216 mi
Average flight time
17 hours 55 mins

Las Vegas to London Flights

The cheapest times to fly from Las Vegas to London

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Las Vegas to London are during the month of January. You can find some of the cheapest flights from Las Vegas to London with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Las Vegas to London

Sunday is one of the best days to book for cheap flights from Las Vegas to London: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Las Vegas to London

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Las Vegas to London in 2025. You can also book with separate airlines for your outbound and return journeys, from $245 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Las Vegas to London flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Las Vegas to London airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Harry Reid Intl. Airport (LAS) to Heathrow Airport (LHR) cost?
Grab a cheap one-way flight from $245 or cheap return flight from $519 from Harry Reid Intl. Airport (LAS) to Heathrow Airport (LHR) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Harry Reid Intl. Airport (LAS) to Heathrow Airport (LHR)?
Flying in January may help you find better deals, as it's the cheapest month for flights between LAS and LHR. You'll often find the lowest fares during the off-season.
Which airlines fly direct from Harry Reid Intl. Airport (LAS) to Heathrow Airport (LHR)?
You can fly directly from Harry Reid Intl. Airport (LAS) to Heathrow Airport (LHR) on a British Airways flight.
What is the cheapest airline that flies from Harry Reid Intl. Airport (LAS) to Heathrow Airport (LHR)?
Virgin Atlantic and British Airways are some popular carriers offering competitive fares. Remember that flight prices from Harry Reid Intl. Airport (LAS) to Heathrow Airport (LHR) can change depending on departure dates, demand and how early you book. With Expedia's search tool, you can easily find a LAS to LHR flight that matches your preferences and budget.
How many flights per day from Harry Reid Intl. Airport (LAS) to Heathrow Airport (LHR)?
Every day on average, 2 nonstop flights take off from Harry Reid Intl. Airport (LAS) to Heathrow Airport (LHR). Choose the departure that best suits your travel plans.
What are the most popular departure times for flights from Harry Reid Intl. Airport (LAS) to Heathrow Airport (LHR)?
Flights between LAS and LHR are busiest at 8 PM. If you want a more relaxed atmosphere and possibly cheaper fares, choose a time outside the usual busy windows.
What day of the week has the most flights from LAS to LHR?
Sunday offers the most flights from Harry Reid Intl. Airport (LAS) to Heathrow Airport (LHR). Consider traveling on this day and you'll have a greater chance of finding a schedule that works for you.
What is the earliest flight from Harry Reid Intl. Airport (LAS) to Heathrow Airport (LHR)?
Harry Reid Intl. Airport (LAS)'s first flight to Heathrow Airport (LHR) is at approximately 6:20PM UTC-8. With a travel duration of 10h 5m, you'll arrive at around 12:25PM UTC+0.
How long does it take to fly from Harry Reid Intl. Airport (LAS) to Heathrow Airport (LHR)?
Flights from LAS to LHR have an average travel time of 9 hours and 58 minutes. The distance between these two airports is 5,200 mi.
What airline has the least delays from LAS to LHR?
Delta Air Lines has the best performance for on-time direct flights from Harry Reid Intl. Airport (LAS) to Heathrow Airport (LHR), with an on-time score of 93%. Use the Expedia App to look up your flight status before you go and get immediate updates about any trip changes.
What is the best time to fly from Harry Reid Intl. Airport (LAS) to Heathrow Airport (LHR)?
Choose a flight from Harry Reid Intl. Airport (LAS) to Heathrow Airport (LHR) that leaves before 3 PM to reduce the likelihood of delays. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for London from Harry Reid Intl. Airport (LAS)?
You can arrive at Heathrow Airport (LHR) or Gatwick Airport (LGW) when you travel to London on a direct flight from Harry Reid Intl. Airport (LAS).
Is it cheaper to buy a plane ticket from Harry Reid Intl. Airport (LAS) to Heathrow Airport (LHR) last-minute?
Holding off until just before your departure to book a flight from LAS to LHR generally means paying more. While you may come across some last-minute offers, they're not always guaranteed. Keep your travel plans flexible for a better chance of getting a bargain.
Is it cheaper to book a LAS to LHR flight and hotel package?
Compared with arranging flights and hotels separately, booking a LAS to LHR flight and hotel package with Expedia could result in significant savings. What's more, having it all in one place takes the hassle out of planning your trip. Simply pick your flights and choose from our wide range of stays, then customize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Harry Reid Intl. Airport (LAS) to Heathrow Airport (LHR)?
Typically, it's possible to reschedule or cancel your LAS to LHR flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.