Can I get a flight from London Heathrow Airport to Las Vegas on Finnair for under £665?

Cheapflights currently has 11 LHR-LAS flights for under £665. Flights to Las Vegas will vary based on many factors, like date and time. Click here to find the best price for your dates on Cheapflights.

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

Currently, the most affordable month to book a Finnair flight from London Heathrow Airport to Las Vegas in April, with an average price of £573. Conversely, traveling with Finnair from London Heathrow Airport to Las Vegas in June will be the most expensive, with an average cost of £872. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Weekly Finnair flight availability from London Heathrow Airport to Las Vegas

The most Finnair flights from LHR to LAS are scheduled on a Monday (1 on average). You will have fewer Finnair flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

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.

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).

£415+ Finnair Flights from Heathrow to Las Vegas

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Cheapest Finnair flights from Heathrow to Las Vegas
Explore the most affordable Finnair flight options available from Heathrow to Las Vegas. Find the lowest fares with prices last updated on 1 September 2026.

Sun 27/908:55 -

1 stop16h 29m

Thu 8/1022:10 -

Nonstop9h 55m

Deal found 30/8£589

Thu 29/1008:20 -

1 stop17h 40m

Sun 8/1120:55 -

Nonstop9h 55m

Deal found 31/8£604

Sat 17/1017:15 -

Nonstop10h 45m

Mon 2/1112:49 -

1 stop25h 21m

Deal found 29/8£605

Can I get a flight from London Heathrow Airport to Las Vegas on Finnair for under £665?
Cheapflights currently has 11 LHR-LAS flights for under £665. Flights to Las Vegas will vary based on many factors, like date and time. Click here to find the best price for your dates on Cheapflights.

Finnair flights from Heathrow to Las Vegas in 2026

One-way from	£415
Return from	£589
Popular in	July
Cheapest in	January
Average price (all airlines)	£648

Finnair
28/11
1 total stop
18h 00m total
London to Las Vegas

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Finnair
27/9-8/10
1 total stop
26h 24m total
London to Las Vegas

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Highest demand for flights from London Heathrow to Las Vegas Harry Reid Intl; 9% potential price increase.

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Best time to find cheap flights from London Heathrow to Las Vegas Harry Reid Intl; 1% potential price drop.

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Average price for all London Heathrow to Las Vegas Harry Reid Intl flights (one-way and round-trip).

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Prices

Airlines

For Economy class flights, the cheapest month to fly this route is April. The most expensive months are June and May.

Best time to book a flight from Heathrow to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Heathrow with our price prediction graph.

LHR-LAS

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.

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Finnair flights from London Heathrow Airport to Las Vegas (LHR - LAS)

Find Finnair flight deals from Heathrow to Las Vegas

Cheapest Finnair flights from Heathrow to Las VegasExplore the most affordable Finnair flight options available from Heathrow to Las Vegas. Find the lowest fares with prices last updated on 1 September 2026.

Explore the most affordable Finnair flight options available from Heathrow to Las Vegas. Find the lowest fares with prices last updated on 1 September 2026.

Best Finnair flights from Heathrow to Las VegasDiscover carefully curated Finnair flight deals from Heathrow to Las Vegas that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 September 2026.

Discover carefully curated Finnair flight deals from Heathrow to Las Vegas that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 September 2026.

Direct Finnair flights from Heathrow to Las VegasExplore direct Finnair flight options from Heathrow to Las Vegas based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 September 2026.

Explore direct Finnair flight options from Heathrow to Las Vegas based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 September 2026.

Last-minute Finnair flights from Heathrow to Las VegasDiscover last-minute Finnair flight deals from Heathrow to Las Vegas. Data last updated 1 September 2026 and is based on user searches.

Discover last-minute Finnair flight deals from Heathrow to Las Vegas. Data last updated 1 September 2026 and is based on user searches.

One-way Finnair flights to Las VegasSearch for one-way Finnair flight options to Las Vegas. Find affordable one-way fares based on user searches. Data last updated 1 September 2026.

Search for one-way Finnair flight options to Las Vegas. Find affordable one-way fares based on user searches. Data last updated 1 September 2026.

Can I get a flight from London Heathrow Airport to Las Vegas on Finnair for under £665?

Finnair flights from Heathrow to Las Vegas in 2026

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Average price (all airlines)

Which month is the cheapest to fly Economy class from London Heathrow Airport to Las Vegas?

For Economy class flights, the cheapest month to fly this route is April. The most expensive months are June and May.

Weekly Finnair flight availability from London Heathrow Airport to Las Vegas

The most Finnair flights from LHR to LAS are scheduled on a Monday (1 on average). You will have fewer Finnair flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Las Vegas 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

Best time to book a flight from Heathrow to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Heathrow with our price prediction graph.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from Heathrow 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 1 September 2026.

Other Finnair flights from Heathrow

Browse through other Finnair flights departing from Heathrow. Flight routes are based on user searches made on Cheapflights and were last updated on 1 September 2026.

Complete your trip

Complete your trip to Las Vegas by adding a car hire and/or hotel booking to your travel itinerary.

Other airlines servicing Heathrow and Las Vegas

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Other popular destinations in North America

If Las Vegas is not for you, choose from these other destinations located in North America. Flight routes are based on user searches made on Cheapflights and were last updated on 1 September 2026.

Popular flights with Finnair

Browse through some of the most popular routes that Finnair offers at this time. Flights are based on user searches made on Cheapflights and were last updated on 1 September 2026.

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Cheapest Finnair flights from Heathrow to Las Vegas
Explore the most affordable Finnair flight options available from Heathrow to Las Vegas. Find the lowest fares with prices last updated on 1 September 2026.

Best Finnair flights from Heathrow to Las Vegas
Discover carefully curated Finnair flight deals from Heathrow to Las Vegas that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 September 2026.

Direct Finnair flights from Heathrow to Las Vegas
Explore direct Finnair flight options from Heathrow to Las Vegas based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 September 2026.

Last-minute Finnair flights from Heathrow to Las Vegas
Discover last-minute Finnair flight deals from Heathrow to Las Vegas. Data last updated 1 September 2026 and is based on user searches.

One-way Finnair flights to Las Vegas
Search for one-way Finnair flight options to Las Vegas. Find affordable one-way fares based on user searches. Data last updated 1 September 2026.