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Finnair flights from London to Las Vegas (LON - LAS)

LON — LAS
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheapflights users flying from London to Las Vegas on Finnair typically fly into Las Vegas Harry Reid Intl and depart from London Heathrow. Select your dates above for pricing.

Finnair flights from London to Las Vegas in 2025

Find detailed information about Finnair flights from London to Las Vegas. Explore the options provided by Finnair to plan your journey from London to Las Vegas. Data last updated 17 September 2025.

One-way from

£415

Return from

£521

Popular in

August

Cheapest in

February

Average price (all airlines)

£604
Finnair
  • Finnair
  • 14/1
  • Nonstop
  • 10h 45m total
  • London to Las Vegas
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Finnair
  • Finnair
  • 26/9-29/9
  • 4 total stops
  • 50h 31m total
  • London to Las Vegas
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Highest demand for flights from London to Las Vegas Harry Reid Intl; 10% potential price increase.
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Best time to find cheap flights from London to Las Vegas Harry Reid Intl; 1% potential price drop.
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Average price for all London to Las Vegas Harry Reid Intl flights (one-way and round-trip).
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  • Can I get a flight from London to Las Vegas on Finnair for under £900?

    Cheapflights users have found 13 Finnair flights for under £900 on the LON-LAS route. Prices on flights to Las Vegas from London can vary based on many factors including dates. To look at price based on your preferred dates, click here.

  • How do most travelers feel about Finnair?

    Finnair has received a 7.1/10 rating from 49 Cheapflights user reviews. If you wish to plan your next trip from London to Las Vegas with Finnair, enter your preferred travel dates above!

Find Finnair flight deals from London to Las Vegas

Cheapest Finnair flights from London to Las Vegas
Explore the most affordable Finnair flight options available from London to Las Vegas. Find the lowest fares with prices last updated on 17 September 2025.

Fri 26/919:05LHR - LAS
2 stops23h 56mFinnair
Mon 29/919:45LAS - LHR
2 stops26h 35mFinnair
Deal found 15/9£521
Thu 30/1016:05LHR - LAS
Nonstop10h 45mFinnair
Sun 2/1123:49LAS - LHR
1 stop23h 31mFinnair
Deal found 16/9£526
Mon 6/1010:40LGW - LAS
2 stops19h 10mFinnair
Mon 20/1022:40LAS - LGW
2 stops23h 55mFinnair
Deal found 16/9£535

Travel insights for Finnair flights from London to Las Vegas

Get recent, data-driven insights about Finnair flights from London to Las Vegas including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from London to Las Vegas with Finnair?

Use this chart to determine the optimal time to book a return flight from London to Las Vegas. Price data was last updated on 12 September 2025.

Booking with Finnair 73 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Las Vegas. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from London to Las Vegas with Finnair?

Currently, the most affordable month to book a Finnair flight from London to Las Vegas in February, with an average price of £474. Conversely, traveling with Finnair from London to Las Vegas in July will be the most expensive, with an average cost of £535. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Rainfall in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Las Vegas ranges from 3.0 - 20.0 inches per month. February is typically the wettest month, when rainfall can reach 20.0 mm. May is typically the driest time to visit Las Vegas when rainfall is around 3.0 mm.

Temperature in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Las Vegas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 34.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 9.0 C).

Best time to book a flight from London to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from London with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Browse thousands of different options on Cheapflights for your next trip

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Fly from London to Las Vegas on another airline

Consider alternative airlines that service the Las Vegas area. Flight routes are based on user searches made on Cheapflights and were last updated on 17 September 2025.
Virgin Atlantic flights from London to Las Vegas Harry Reid Intl
British Airways flights from London to Las Vegas Harry Reid Intl

See what others are saying about Finnair

Read reviews and see what other travellers are saying about their experiences with Finnair. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing Finnair for your next flight. Reviews last updated 17 September 2025.
Finnair
7.6
Good
1,324 reviews
Check prices
Overview

Entertainment

6.9

Boarding

7.6

Comfort

7.5

Crew

8.1

Food

6.7

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