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

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JetBlue Airways Flight 678 Route Deals From $69

The cheapest prices found with in the last 7 days for return flights were $141 and $69 for one-way flights to John F. Kennedy Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Feb 18 - Fri, Feb 20
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$141 Roundtrip, found 1 day ago
$141
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Wed, Feb 18 from Jacksonville Intl. to John F. Kennedy Intl., returning Fri, Feb 20, priced at $141 found 1 day ago
Tue, Feb 10 - Wed, Feb 11
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$143 Roundtrip, found 2 hours ago
$143
Roundtrip
found 2 hours 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 2 hours ago
Thu, Jan 29 - Wed, Feb 4
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$146 Roundtrip, found 9 hours ago
$146
Roundtrip
found 9 hours ago
Select JetBlue Airways flight, departing Thu, Jan 29 from Jacksonville Intl. to John F. Kennedy Intl., returning Wed, Feb 4, priced at $146 found 9 hours ago
Fri, Jan 30 - Sun, Feb 22
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$148 Roundtrip, found 20 hours ago
$148
Roundtrip
found 20 hours ago
Select JetBlue Airways flight, departing Fri, Jan 30 from Jacksonville Intl. to John F. Kennedy Intl., returning Sun, Feb 22, priced at $148 found 20 hours ago
Mon, Feb 9 - Wed, Feb 11
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$148 Roundtrip, found 3 days ago
$148
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Mon, Feb 9 from Jacksonville Intl. to John F. Kennedy Intl., returning Wed, Feb 11, priced at $148 found 3 days ago
Thu, Jan 29 - Mon, Feb 2
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$159 Roundtrip, just found
$159
Roundtrip
just found
Select JetBlue Airways flight, departing Thu, Jan 29 from Jacksonville Intl. to John F. Kennedy Intl., returning Mon, Feb 2, priced at $159 just found
Thu, Jan 29 - Mon, Feb 2
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$166 Roundtrip, just found
$166
Roundtrip
just found
Select JetBlue Airways flight, departing Thu, Jan 29 from Jacksonville Intl. to John F. Kennedy Intl., returning Mon, Feb 2, priced at $166 just found
Thu, Jan 29 - Mon, Feb 2
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$167 Roundtrip, just found
$167
Roundtrip
just found
Select JetBlue Airways flight, departing Thu, Jan 29 from Jacksonville Intl. to John F. Kennedy Intl., returning Mon, Feb 2, priced at $167 just found
Tue, Feb 17 - Sat, Feb 21
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$177 Roundtrip, found 11 hours ago
$177
Roundtrip
found 11 hours ago
Select JetBlue Airways flight, departing Tue, Feb 17 from Jacksonville Intl. to John F. Kennedy Intl., returning Sat, Feb 21, priced at $177 found 11 hours ago
Tue, Jan 27 - Fri, Jan 30
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$181 Roundtrip, found 12 hours ago
$181
Roundtrip
found 12 hours ago
Select JetBlue Airways flight, departing Tue, Jan 27 from Jacksonville Intl. to John F. Kennedy Intl., returning Fri, Jan 30, priced at $181 found 12 hours ago

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.