KLM Flight KL644 Deals & Information (2024/2025)

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KLM Flight 644 Route Deals From $467

The cheapest prices found with in the last 7 days for return flights were $575 and $467 for one-way flights to Schiphol for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jan 30 - Thu, Feb 6
JFK
John F. Kennedy Intl.
AMS
Schiphol
$575 Roundtrip, found 4 days ago
$575
Roundtrip
found 4 days ago
Select KLM flight, departing Thu, Jan 30 from John F. Kennedy Intl. to Schiphol, returning Thu, Feb 6, priced at $575 found 4 days ago

More KLM Flight For This Route

CarrierFlightDepart JFKArrive AMSSun
5/12		Mon
5/13		Tue
5/14		Wed
5/15		Thu
5/16		Fri
5/17		Sat
5/18		Stops
KL64205:35 pm06:50 amCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops
KL64606:35 pm07:55 amCheck FareCheck Fare
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KL64409:15 pm10:35 amCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
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Frequently asked questions

What route does flight number KL644 take?
Flight number KL644 takes roughly 7 hours and 20 minutes to jet straight from New York, NY Airport (JFK-John F. Kennedy Intl.) to Amsterdam Airport Schiphol. We all know there’s magic in the destination, but half the fun is in the journey!
How often is KL644 on time?
KLM flight number KL644 between New York, NY Airport (JFK-John F. Kennedy Intl.) and AMS takes off according to schedule 100% of the time — so you can relax knowing that you will get to your destination ASAP. If your journey is late, you can expect to wait about 3 minutes. This route has a star rating of 4.45.
What terminal does KL644 fly out of?
KL644 runs between JFK Airport and Amsterdam Airport Schiphol, and those booked on this flight usually depart from Terminal 4.
What kind of plane is on flight number KL644?
The route for KL644 is generally JFK to AMS, and the Boeing 787-9 is the aircraft model you’ll probably be flying on.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your KL644 flight with Travelocity, please visit our Customer Service Portal.