KLM Flight 6140 Deals & Information (2025/2026)

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KLM Flight 6140 Route Deals From $459

The cheapest prices found with in the last 7 days for return flights were $622 and $459 for one-way flights to Brussels - National for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Aug 4 - Tue, Aug 19
JFK
John F. Kennedy Intl.
BRU
Brussels - National
$622 Roundtrip, found 1 day ago
$622
Roundtrip
found 1 day ago
Select KLM flight, departing Mon, Aug 4 from John F. Kennedy Intl. to Brussels - National, returning Tue, Aug 19, priced at $622 found 1 day ago
Sun, Sep 14 - Mon, Sep 29
JFK
John F. Kennedy Intl.
ZYR
Brussels Midi Train Station
$725 Roundtrip, found 2 days ago
$725
Roundtrip
found 2 days ago
Select KLM flight, departing Sun, Sep 14 from John F. Kennedy Intl. to Brussels Midi Train Station, returning Mon, Sep 29, priced at $725 found 2 days ago
Thu, Oct 2 - Wed, Oct 8
JFK
John F. Kennedy Intl.
ZYR
Brussels Midi Train Station
$774 Roundtrip, found 1 day ago
$774
Roundtrip
found 1 day ago
Select KLM flight, departing Thu, Oct 2 from John F. Kennedy Intl. to Brussels Midi Train Station, returning Wed, Oct 8, priced at $774 found 1 day ago
Wed, Aug 13 - Sat, Aug 23
JFK
John F. Kennedy Intl.
ZYR
Brussels Midi Train Station
$776 Roundtrip, found 1 day ago
$776
Roundtrip
found 1 day ago
Select KLM flight, departing Wed, Aug 13 from John F. Kennedy Intl. to Brussels Midi Train Station, returning Sat, Aug 23, priced at $776 found 1 day ago