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

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

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.

Sat, Feb 14 - Sat, Feb 21
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$141 Roundtrip, found 18 hours ago
$141
Roundtrip
found 18 hours ago
Select JetBlue Airways flight, departing Sat, Feb 14 from Jacksonville Intl. to John F. Kennedy Intl., returning Sat, Feb 21, priced at $141 found 18 hours ago
Tue, Feb 10 - Wed, Feb 11
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$143 Roundtrip, found 13 hours ago
$143
Roundtrip
found 13 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 13 hours ago
Tue, Feb 3 - Wed, Feb 4
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$145 Roundtrip, found 9 hours ago
$145
Roundtrip
found 9 hours ago
Select JetBlue Airways flight, departing Tue, Feb 3 from Jacksonville Intl. to John F. Kennedy Intl., returning Wed, Feb 4, priced at $145 found 9 hours ago
Wed, Feb 4 - Wed, Feb 11
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$146 Roundtrip, found 14 hours ago
$146
Roundtrip
found 14 hours ago
Select JetBlue Airways flight, departing Wed, Feb 4 from Jacksonville Intl. to John F. Kennedy Intl., returning Wed, Feb 11, priced at $146 found 14 hours ago
Mon, Feb 9 - Wed, Feb 11
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$148 Roundtrip, found 1 day ago
$148
Roundtrip
found 1 day 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 1 day ago
Tue, Feb 24 - Sat, Feb 28
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$154 Roundtrip, found 21 hours ago
$154
Roundtrip
found 21 hours ago
Select JetBlue Airways flight, departing Tue, Feb 24 from Jacksonville Intl. to John F. Kennedy Intl., returning Sat, Feb 28, priced at $154 found 21 hours ago
Tue, Jan 27 - Mon, Feb 2
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$156 Roundtrip, found 13 hours ago
$156
Roundtrip
found 13 hours ago
Select JetBlue Airways flight, departing Tue, Jan 27 from Jacksonville Intl. to John F. Kennedy Intl., returning Mon, Feb 2, priced at $156 found 13 hours ago
Fri, Jan 30 - Tue, Feb 3
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$159 Roundtrip, found 1 hour ago
$159
Roundtrip
found 1 hour ago
Select JetBlue Airways flight, departing Fri, Jan 30 from Jacksonville Intl. to John F. Kennedy Intl., returning Tue, Feb 3, priced at $159 found 1 hour ago
Sat, Feb 14 - Sat, Feb 21
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$165 Roundtrip, found 18 hours ago
$165
Roundtrip
found 18 hours ago
Select JetBlue Airways flight, departing Sat, Feb 14 from Jacksonville Intl. to John F. Kennedy Intl., returning Sat, Feb 21, priced at $165 found 18 hours ago
Tue, Jan 27 - Fri, Jan 30
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$177 Roundtrip, found 1 hour ago
$177
Roundtrip
found 1 hour ago
Select JetBlue Airways flight, departing Tue, Jan 27 from Jacksonville Intl. to John F. Kennedy Intl., returning Fri, Jan 30, priced at $177 found 1 hour ago
Tue, Jan 27 - Fri, Jan 30
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$181 Roundtrip, found 1 hour ago
$181
Roundtrip
found 1 hour 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 1 hour 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.