Flights from Las Vegas to London
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From $923 · Prices update daily
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The quick answer
Flights from Las Vegas to London start around $923 round-trip. Main carrier: United Airlines. Cheapest month to fly: December. Travel authorization required (ESTA-style) (United Kingdom).
Price calendar — next 60 days
★ Cheapest: $923 on Mon, Dec 28 · UA
Lowest return fares · Prices update daily · Final price confirmed at booking
Price calendar — Las Vegas to London
Month-by-month lowest fares. Green = cheapest dates.
Flying to London? Compare from other US cities
Sometimes a nearby airport is cheaper. See London fares from other departure cities.
United Kingdom essentials
🟡 Travel authorization required (ESTA-style) · up to 6 months
An ETA (Electronic Travel Authorisation) is required before travel for US citizens.
Full London visa guide →🆘 Emergency
999 / 112
💱 Currency
Pound Sterling (£)
🕐 Time zone
UTC+0
🗣️ Language
English
🔌 Plugs
Type G · 230V
🚗 Driving
Left side
💡 Tipping
10–12.5%, check if included
📞 Dial code
+44
🏛️ US Embassy
London · +44 20-7499-9000
Entry rules can change — always confirm with official sources before booking.
Stay connected in London
Skip roaming fees — get a local eSIM before you land. Works in 200+ countries and activates instantly, so you’re online the moment you touch down.
Travel insurance
Protect your Las Vegas to London trip against delays, cancellations, and medical emergencies. US travelers can compare plans from top insurers.
Airport transfer in London
Pre-book your ride into London. Fixed price, meet & greet, and a driver waiting at arrivals — no meter anxiety after a long flight.
Flight delayed or cancelled?
If your Las Vegas to London flight was delayed more than 3 hours or cancelled, you may be entitled to up to €600 in compensation under EU/UK rules — even if you flew a non-EU airline. Free to check, no win no fee.
More resources
Las Vegas to London — frequently asked
How much is a flight from Las Vegas to London?+
Fares start around $923 round-trip. Prices update daily across 800+ airlines.
What is the cheapest month to fly Las Vegas to London?+
December typically has the lowest fares.
Are there direct flights from Las Vegas to London?+
This route is usually served by connecting flights. Use the search above to check for any direct options on your dates.
Which airlines fly from Las Vegas to London?+
Carriers on this route include United Airlines. Compare them side by side in the search above.
Do US citizens need a visa for United Kingdom?+
Travel authorization required (ESTA-style) for stays up to 6 months. An ETA (Electronic Travel Authorisation) is required before travel for US citizens.
What currency is used in United Kingdom?+
The Pound Sterling (GBP, £). The emergency number is 999 / 112.
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