Find flights
Flight research
Deals
Finnair Reviews

Finnair flights from London to New York (LON - NYC)

LON — NYC
16 Jan — 23 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights users flying from London to New York on Finnair typically fly into New York John F Kennedy Intl and depart from London Heathrow. Select your dates above for pricing.

Finnair flights from London to New York in 2025

Find detailed information about Finnair flights from London to New York. Explore the options provided by Finnair to plan your journey from London to New York. Data last updated 17 December 2025.

One-way from

£300

Return from

£377

Popular in

July

Cheapest in

September

Average price (all airlines)

£478
Finnair
  • Finnair
  • 18/3
  • Nonstop
  • 8h 05m total
  • London to New York
Search Deals
Finnair
  • Finnair
  • 15/4-20/4
  • 2 total stops
  • 23h 33m total
  • London to New York
Search Deals
Highest demand for flights from London to New York; 7% potential price increase.
Search Deals
Best time to find cheap flights from London to New York; 2% potential price drop.
Search Deals
Average price for all London to New York flights (one-way and round-trip).
Search Deals

  • Can I get a flight from London to New York on Finnair for under £522?

    16 Finnair flights from LON to NYC have recently been found on Cheapflights for under £522. Click here to find the best deals to New York for your desired dates.

  • Does Finnair service alternative airports for LON-NYC?

    Those looking to travel from London to New York on Finnair should know that there are other options for airports to fly into when visiting New York. When arriving in New York, most people land at New York John F Kennedy Intl, but that is not the only available airport that Finnair flies to. Many people choose to land at Newark depending on where there are traveling to in the area. Alternatively, if you are looking for more options when departing from London, consider London Gatwick which is the closest major airport to London Heathrow that offers Finnair flights.

  • How do most travelers feel about Finnair?

    When planning your LON-NYC trip, keep in mind that Finnair is typically rated 7.6/10. This rating comes from 1,337 reviews by Cheapflights users who have traveled with Finnair.

Find Finnair flight deals from London to New York

Enter your travel dates to find the best prices.

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

Mon 12/114:45LHR - JFK
1 stop12h 38mFinnair
Mon 19/114:44JFK - LHR
1 stop11h 36mFinnair
Deal found 16/12£378
Thu 8/117:00LHR - JFK
Nonstop8h 05mFinnair
Tue 13/118:25JFK - LHR
Nonstop6h 55mFinnair
Deal found 16/12£378
Sun 25/113:20LHR - JFK
1 stop31h 05mFinnair
Sun 1/223:20JFK - LHR
Nonstop6h 55mFinnair
Deal found 16/12£380

Travel insights for Finnair flights from London to New York

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

How far ahead should I book a flight from London to New York with Finnair?

Use this chart to determine the optimal time to book a return flight from London to New York. Price data was last updated on 12 December 2025.

Booking with Finnair 74 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to New York. 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 New York with Finnair?

Currently, the most affordable month to book a Finnair flight from London to New York in May, with an average price of £274. Conversely, traveling with Finnair from London to New York in December will be the most expensive, with an average cost of £366. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Weekly Finnair flight availability from London to New York

The most Finnair flights from LON to NYC are scheduled on a Monday (13 on average). You will have fewer Finnair flight options on Saturday, which is when the least amount of flights are scheduled (9 on average).

Rainfall in New York by month

Plan your trip to New York by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in New York ranges from 71.0 - 114.0 inches per month. July is typically the wettest month, when rainfall can reach 114.0 mm. February is typically the driest time to visit New York when rainfall is around 71.0 mm.

Temperature in New York by month

Plan your trip to New York by taking into account the average temperature totals by month.

If weather is an important factor for your trip to New York, 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 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).

Best time to book a flight from London to New York

Have a flexible travel schedule? Discover the best time to fly to New York 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

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

Fly from London to New York on another airline

Consider alternative airlines that service the New York area. Flight routes are based on user searches made on Cheapflights and were last updated on 17 December 2025.
British Airways flights from London to New York

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 December 2025.
Finnair
7.6
Good
1,337 reviews
Check prices
Overview

Food

6.7

Crew

8.1

Boarding

7.6

Entertainment

6.9

Comfort

7.4

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.