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

LON — NYC
17 Apr — 24 Apr1
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 2026

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 18 March 2026.

One-way from

£329

Return from

£457

Popular in

July

Cheapest in

September

Average price (all airlines)

£409
Finnair
  • Finnair
  • 10/5
  • 1 total stop
  • 30h 00m total
  • London to New York
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Finnair
  • Finnair
  • 15/4-22/4
  • Nonstop
  • 14h 55m total
  • London to New York
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Highest demand for flights from London to New York; 6% potential price increase.
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Best time to find cheap flights from London to New York; 2% potential price drop.
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Average price for all London to New York flights (one-way and round-trip).
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  • 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 1,373 reviews by Cheapflights users who have traveled with Finnair.

  • 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.

  • Can I get a flight from London to New York on Finnair for under £450?

    13 Finnair flights from LON to NYC have recently been found on Cheapflights for under £450. Click here to find the best deals to New York for your desired dates.

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 18 March 2026.

Wed 15/414:10
LHR
-
JFK
Nonstop7h 50m
Finnair
Wed 22/409:35
JFK
-
LHR
Nonstop7h 05m
Finnair
Deal found 15/3£457
Tue 14/410:30
LHR
-
JFK
Nonstop8h 00m
Finnair
Mon 20/418:20
JFK
-
LHR
Nonstop7h 05m
Finnair
Deal found 17/3£459
Mon 13/414:10
LHR
-
JFK
Nonstop7h 50m
Finnair
Mon 20/409:35
JFK
-
LHR
Nonstop7h 05m
Finnair
Deal found 15/3£476

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 13 March 2026.

Booking with Finnair 37 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 March, with an average price of £317. Conversely, traveling with Finnair from London to New York in June will be the most expensive, with an average cost of £388. 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 (14 on average). You will have fewer Finnair flight options on Saturday, which is when the least amount of flights are scheduled (10 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

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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 18 March 2026.
British Airways flights from London to New York
Virgin Atlantic 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 18 March 2026.
Finnair
7.6
Good
1,373 reviews
Check prices
Overview

Comfort

7.5

Food

6.7

Boarding

7.7

Crew

8.2

Entertainment

6.9

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