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

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JetBlue Airways Flight 678 Route Deals From $60

The cheapest prices found with in the last 7 days for return flights were $120 and $60 for one-way flights to John F. Kennedy Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Feb 17 - Sun, Feb 22
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$120 Roundtrip, found 2 days ago
$120
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Tue, Feb 17 from Jacksonville Intl. to John F. Kennedy Intl., returning Sun, Feb 22, priced at $120 found 2 days ago
Wed, Jan 14 - Wed, Jan 21
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$125 Roundtrip, found 2 days ago
$125
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Wed, Jan 14 from Jacksonville Intl. to John F. Kennedy Intl., returning Wed, Jan 21, priced at $125 found 2 days ago
Tue, Feb 24 - Wed, Mar 4
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 24 from Jacksonville Intl. to John F. Kennedy Intl., returning Wed, Mar 4, priced at $143 found 2 days ago
Tue, Jan 27 - Sat, Jan 31
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$144 Roundtrip, found 3 days ago
$144
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Tue, Jan 27 from Jacksonville Intl. to John F. Kennedy Intl., returning Sat, Jan 31, priced at $144 found 3 days ago
Sun, Mar 1 - Wed, Mar 4
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$146 Roundtrip, found 5 hours ago
$146
Roundtrip
found 5 hours ago
Select JetBlue Airways flight, departing Sun, Mar 1 from Jacksonville Intl. to John F. Kennedy Intl., returning Wed, Mar 4, priced at $146 found 5 hours ago
Tue, Feb 3 - Wed, Feb 11
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$150 Roundtrip, found 1 day ago
$150
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Tue, Feb 3 from Jacksonville Intl. to John F. Kennedy Intl., returning Wed, Feb 11, priced at $150 found 1 day ago
Wed, Jan 14 - Thu, Jan 22
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$152 Roundtrip, found 3 days ago
$152
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Wed, Jan 14 from Jacksonville Intl. to John F. Kennedy Intl., returning Thu, Jan 22, priced at $152 found 3 days ago
Mon, Feb 2 - Mon, Feb 9
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$154 Roundtrip, found 2 days ago
$154
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Mon, Feb 2 from Jacksonville Intl. to John F. Kennedy Intl., returning Mon, Feb 9, priced at $154 found 2 days ago
Wed, Jan 14 - Thu, Jan 22
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$156 Roundtrip, found 3 days ago
$156
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Wed, Jan 14 from Jacksonville Intl. to John F. Kennedy Intl., returning Thu, Jan 22, priced at $156 found 3 days ago
Tue, Feb 17 - Sat, Feb 21
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$164 Roundtrip, found 4 days ago
$164
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Tue, Feb 17 from Jacksonville Intl. to John F. Kennedy Intl., returning Sat, Feb 21, priced at $164 found 4 days 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.