Finnair flights from London Heathrow Airport to New York John F Kennedy Intl Airport (LHR - JFK)

LHR — JFK
25 Feb — 4 Mar1
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 Heathrow to John F Kennedy Intl in 2026

Find detailed information about Finnair flights from Heathrow to John F Kennedy Intl. Explore the options provided by Finnair to plan your journey from Heathrow to John F Kennedy Intl. Data last updated 26 January 2026.

One-way from

£286

Return from

£334

Popular in

December

Cheapest in

September

Average price (all airlines)

£423
Finnair
  • Finnair
  • 4/5
  • 1 total stop
  • 13h 50m total
  • London to New York
Finnair
  • Finnair
  • 18/2-24/2
  • 2 total stops
  • 27h 30m total
  • London to New York
Highest demand for flights from London Heathrow to New York John F Kennedy Intl; 5% potential price increase.
Best time to find cheap flights from London Heathrow to New York John F Kennedy Intl; 1% potential price drop.
Average price for all London Heathrow to New York John F Kennedy Intl flights (one-way and round-trip).

Find Finnair flight deals from Heathrow to John F Kennedy Intl

Enter your travel dates to find the best prices.

Cheapest Finnair flights from Heathrow to John F Kennedy Intl
Explore the most affordable Finnair flight options available from Heathrow to John F Kennedy Intl. Find the lowest fares with prices last updated on 26 January 2026.

Wed 18/210:20
LHR
-
JFK
1 stop13h 45m
Finnair
Tue 24/214:30
JFK
-
LHR
1 stop13h 45m
Finnair
Deal found 24/1£334
Sun 8/210:20
LHR
-
JFK
1 stop13h 45m
Finnair
Wed 25/219:25
JFK
-
LHR
1 stop11h 35m
Finnair
Deal found 24/1£335
Tue 24/210:20
LHR
-
JFK
1 stop13h 45m
Finnair
Sat 28/221:59
JFK
-
LHR
1 stop28h 01m
Finnair
Deal found 26/1£336

How far ahead should I book a flight from London Heathrow Airport to New York John F Kennedy Intl Airport with Finnair?

Use this chart to determine the optimal time to book a return flight from Heathrow to John F Kennedy Intl. Price data was last updated on 23 January 2026.

Booking with Finnair 70 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to New York John F Kennedy Intl Airport. 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 Heathrow Airport to New York John F Kennedy Intl Airport with Finnair?

Currently, the most affordable month to book a Finnair flight from London Heathrow Airport to New York John F Kennedy Intl Airport in September, with an average price of £316. Conversely, traveling with Finnair from London Heathrow Airport to New York John F Kennedy Intl Airport in June will be the most expensive, with an average cost of £379. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Best time to book a flight from Heathrow to John F Kennedy Intl

Have a flexible travel schedule? Discover the best time to fly to John F Kennedy Intl from Heathrow 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.

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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 26 January 2026.
Finnair
7.6
Good
1,356 reviews
Overview

Comfort

7.5

Crew

8.2

Food

6.7

Entertainment

6.9

Boarding

7.7

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