How do most travelers feel about Finnair?

The general consensus from 1,424 Cheapflights users is that Finnair is a 7.6/10. Select your travel dates above for updated prices on flights from London Heathrow Airport to New York John F Kennedy Intl Airport (LHR-JFK).

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 February, with an average price of £384. Conversely, traveling with Finnair from London Heathrow Airport to New York John F Kennedy Intl Airport in July will be the most expensive, with an average cost of £693. 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 New York John F Kennedy Intl Airport

The most Finnair flights from LHR to JFK are scheduled on a Friday (13 on average). You will have fewer Finnair flight options on Sunday, which is when the least amount of flights are scheduled (10 on average).

In terms of precipitation, rainfall in New York John F Kennedy Intl Airport 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 John F Kennedy Intl Airport when rainfall is around 71.0 mm.

If weather is an important factor for your trip to New York John F Kennedy Intl Airport, 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).

£329+ Finnair Flights from Heathrow to John F Kennedy Intl

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

Booking with Finnair 65 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.

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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 11 October 2026.

Mon 9/1118:10 -

1 stop29h 55m

Sun 22/1110:10 -

Nonstop7h 00m

Deal found 9/10£457

Fri 20/1107:30 -

1 stop16h 35m

Fri 27/1121:15 -

Nonstop7h 00m

Deal found 8/10£458

Thu 26/1110:20 -

1 stop13h 45m

Mon 30/1121:15 -

Nonstop7h 00m

Deal found 8/10£459

How do most travelers feel about Finnair?
The general consensus from 1,424 Cheapflights users is that Finnair is a 7.6/10. Select your travel dates above for updated prices on flights from London Heathrow Airport to New York John F Kennedy Intl Airport (LHR-JFK).
Can I get a flight from London Heathrow Airport to New York John F Kennedy Intl Airport on Finnair for under £529?
Finnair offers 10 flights from London Heathrow Airport to New York John F Kennedy Intl Airport for under £529. Prices vary by date and time. To see all prices and select your dates, click here.

Finnair flights from Heathrow to John F Kennedy Intl in 2026

One-way from	£329
Return from	£454
Popular in	July
Cheapest in	February
Average price (all airlines)	£526

Finnair
22/12-31/12
1 total stop
16h 35m total
London to New York

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Finnair
26/12-8/1
1 total stop
20h 50m total
London to New York

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Highest demand for flights from London Heathrow to New York John F Kennedy Intl; 15% potential price increase.

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Best time to find cheap flights from London Heathrow to New York John F Kennedy Intl; 2% potential price drop.

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Average price for all London Heathrow to New York John F Kennedy Intl flights (one-way and round-trip).

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Prices

Airlines

The best time to book a flight to New York John F Kennedy Intl Airport with Finnair is 65 days before departure. On average, fares are higher if you book 15 days before departure.

Which month is the cheapest to fly Economy class from London Heathrow Airport to New York John F Kennedy Intl Airport?

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

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.

LHR-JFK

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

Find Finnair flight deals from Heathrow to John F Kennedy Intl

Cheapest Finnair flights from Heathrow to John F Kennedy IntlExplore the most affordable Finnair flight options available from Heathrow to John F Kennedy Intl. Find the lowest fares with prices last updated on 11 October 2026.

Explore the most affordable Finnair flight options available from Heathrow to John F Kennedy Intl. Find the lowest fares with prices last updated on 11 October 2026.

Best Finnair flights from Heathrow to John F Kennedy IntlDiscover carefully curated Finnair flight deals from Heathrow to John F Kennedy Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 October 2026.

Discover carefully curated Finnair flight deals from Heathrow to John F Kennedy Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 October 2026.

Direct Finnair flights from Heathrow to John F Kennedy IntlExplore direct Finnair flight options from Heathrow to John F Kennedy Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 11 October 2026.

Explore direct Finnair flight options from Heathrow to John F Kennedy Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 11 October 2026.

Last-minute Finnair flights from Heathrow to John F Kennedy IntlDiscover last-minute Finnair flight deals from Heathrow to John F Kennedy Intl. Data last updated 11 October 2026 and is based on user searches.

Discover last-minute Finnair flight deals from Heathrow to John F Kennedy Intl. Data last updated 11 October 2026 and is based on user searches.

One-way Finnair flights to John F Kennedy IntlSearch for one-way Finnair flight options to John F Kennedy Intl. Find affordable one-way fares based on user searches. Data last updated 11 October 2026.

Search for one-way Finnair flight options to John F Kennedy Intl. Find affordable one-way fares based on user searches. Data last updated 11 October 2026.

How do most travelers feel about Finnair?

Can I get a flight from London Heathrow Airport to New York John F Kennedy Intl Airport on Finnair for under £529?

Finnair flights from Heathrow to John F Kennedy Intl in 2026

One-way from

Return from

Popular in

Cheapest in

Average price (all airlines)

When is the best time to book a flight to New York John F Kennedy Intl Airport with Finnair?

The best time to book a flight to New York John F Kennedy Intl Airport with Finnair is 65 days before departure. On average, fares are higher if you book 15 days before departure.

Which month is the cheapest to fly Economy class from London Heathrow Airport to New York John F Kennedy Intl Airport?

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

Weekly Finnair flight availability from London Heathrow Airport to New York John F Kennedy Intl Airport

The most Finnair flights from LHR to JFK are scheduled on a Friday (13 on average). You will have fewer Finnair flight options on Sunday, which is when the least amount of flights are scheduled (10 on average).

Rainfall in John F Kennedy Intl by month

Temperature in John F Kennedy Intl by month

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.

Browse thousands of different options on Cheapflights for your next trip

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Fly from Heathrow to John F Kennedy Intl on another airline

Consider alternative airlines that service the John F Kennedy Intl area. Flight routes are based on user searches made on Cheapflights and were last updated on 11 October 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 11 October 2026.

Complete your trip

Complete your trip to John F Kennedy Intl by adding a car hire and/or hotel booking to your travel itinerary.

Other airlines servicing Heathrow and John F Kennedy Intl

Choose from other airlines serving Heathrow and John F Kennedy Intl.

Other popular destinations in North America

If John F Kennedy Intl 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 11 October 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 11 October 2026.

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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 11 October 2026.

Best Finnair flights from Heathrow to John F Kennedy Intl
Discover carefully curated Finnair flight deals from Heathrow to John F Kennedy Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 October 2026.

Direct Finnair flights from Heathrow to John F Kennedy Intl
Explore direct Finnair flight options from Heathrow to John F Kennedy Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 11 October 2026.

Last-minute Finnair flights from Heathrow to John F Kennedy Intl
Discover last-minute Finnair flight deals from Heathrow to John F Kennedy Intl. Data last updated 11 October 2026 and is based on user searches.

One-way Finnair flights to John F Kennedy Intl
Search for one-way Finnair flight options to John F Kennedy Intl. Find affordable one-way fares based on user searches. Data last updated 11 October 2026.