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.

Sat, Feb 14 - Sat, Feb 21
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$141 Roundtrip, found 3 hours ago
$141
Roundtrip
found 3 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 3 hours ago
Tue, Feb 10 - Wed, Feb 11
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$143 Roundtrip, found 2 days ago
$143
Roundtrip
found 2 days 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 days ago
Sat, Jan 31 - Wed, Feb 4
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$145 Roundtrip, found 10 hours ago
$145
Roundtrip
found 10 hours ago
Select JetBlue Airways flight, departing Sat, Jan 31 from Jacksonville Intl. to John F. Kennedy Intl., returning Wed, Feb 4, priced at $145 found 10 hours ago
Thu, Feb 5 - Wed, Feb 11
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$146 Roundtrip, found 17 hours ago
$146
Roundtrip
found 17 hours ago
Select JetBlue Airways flight, departing Thu, Feb 5 from Jacksonville Intl. to John F. Kennedy Intl., returning Wed, Feb 11, priced at $146 found 17 hours ago
Mon, Feb 9 - Wed, Feb 11
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$148 Roundtrip, found 21 hours ago
$148
Roundtrip
found 21 hours 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 21 hours ago
Sat, Jan 24 - Sat, Jan 31
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$150 Roundtrip, found 5 hours ago
$150
Roundtrip
found 5 hours ago
Select JetBlue Airways flight, departing Sat, Jan 24 from Jacksonville Intl. to John F. Kennedy Intl., returning Sat, Jan 31, priced at $150 found 5 hours ago
Sat, Jan 24 - Mon, Jan 26
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$152 Roundtrip, found 2 days ago
$152
Roundtrip
found 2 days 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 2 days ago
Tue, Feb 24 - Sat, Feb 28
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$154 Roundtrip, found 6 hours ago
$154
Roundtrip
found 6 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 6 hours ago
Fri, Jan 30 - Wed, Feb 4
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 Wed, Feb 4, priced at $159 found 1 hour ago
Sat, Jan 31 - Wed, Feb 4
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$165 Roundtrip, found 10 hours ago
$165
Roundtrip
found 10 hours ago
Select JetBlue Airways flight, departing Sat, Jan 31 from Jacksonville Intl. to John F. Kennedy Intl., returning Wed, Feb 4, priced at $165 found 10 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.