JetBlue Airways Flight 678 Deals & Information (2026/2027)

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JetBlue Airways Flight 678 Route Deals From $71

The cheapest prices found with in the last 7 days for return flights were $141 and $71 for one-way flights to John F. Kennedy Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Feb 14 - Sat, Feb 21
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$141 Roundtrip, just found
$141
Roundtrip
just found
Select JetBlue Airways flight, departing Sat, Feb 14 from Jacksonville Intl. to John F. Kennedy Intl., returning Sat, Feb 21, priced at $141 just found
Tue, Feb 10 - Wed, Feb 11
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$143 Roundtrip, found 1 day ago
$143
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Tue, Feb 10 from Jacksonville Intl. to John F. Kennedy Intl., returning Wed, Feb 11, priced at $143 found 1 day ago
Sat, Jan 24 - Mon, Jan 26
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$152 Roundtrip, found 1 day ago
$152
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Sat, Jan 24 from Jacksonville Intl. to John F. Kennedy Intl., returning Mon, Jan 26, priced at $152 found 1 day ago
Fri, Feb 27 - Mon, Mar 2
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$159 Roundtrip, found 6 hours ago
$159
Roundtrip
found 6 hours ago
Select JetBlue Airways flight, departing Fri, Feb 27 from Jacksonville Intl. to John F. Kennedy Intl., returning Mon, Mar 2, priced at $159 found 6 hours ago
Thu, Jan 29 - Mon, Feb 2
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$167 Roundtrip, found 8 hours ago
$167
Roundtrip
found 8 hours ago
Select JetBlue Airways flight, departing Thu, Jan 29 from Jacksonville Intl. to John F. Kennedy Intl., returning Mon, Feb 2, priced at $167 found 8 hours ago
Thu, Feb 12 - Wed, Feb 18
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$175 Roundtrip, found 12 hours ago
$175
Roundtrip
found 12 hours ago
Select JetBlue Airways flight, departing Thu, Feb 12 from Jacksonville Intl. to John F. Kennedy Intl., returning Wed, Feb 18, priced at $175 found 12 hours ago
Thu, Jan 29 - Mon, Feb 2
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$179 Roundtrip, found 8 hours ago
$179
Roundtrip
found 8 hours ago
Select JetBlue Airways flight, departing Thu, Jan 29 from Jacksonville Intl. to John F. Kennedy Intl., returning Mon, Feb 2, priced at $179 found 8 hours ago
Thu, Jan 22 - Sat, Jan 24
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$180 Roundtrip, found 3 hours ago
$180
Roundtrip
found 3 hours ago
Select JetBlue Airways flight, departing Thu, Jan 22 from Jacksonville Intl. to John F. Kennedy Intl., returning Sat, Jan 24, priced at $180 found 3 hours ago
Tue, Feb 17 - Tue, Feb 24
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$182 Roundtrip, found 5 hours ago
$182
Roundtrip
found 5 hours ago
Select JetBlue Airways flight, departing Tue, Feb 17 from Jacksonville Intl. to John F. Kennedy Intl., returning Tue, Feb 24, priced at $182 found 5 hours ago
Sat, Feb 14 - Sat, Feb 21
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$191 Roundtrip, just found
$191
Roundtrip
just found
Select JetBlue Airways flight, departing Sat, Feb 14 from Jacksonville Intl. to John F. Kennedy Intl., returning Sat, Feb 21, priced at $191 just found

Frequently asked questions

What route does flight number B6678 take?
B6678 travels from Jacksonville Intl. Airport to John F. Kennedy Intl. Airport (JFK) and is a direct flight. This trip generally takes 2 hours and 18 minutes.
What kind of plane is on flight number B6678?
You'll probably be on an Embraer 190 if you're booked on flight number B6678. This flight almost always heads off from Jacksonville Intl. Airport and touches down at JFK Airport.
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 B6678 flight with Travelocity, please visit our Customer Service Portal.