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

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JetBlue Airways Flight 678 Route Deals From $49

The cheapest prices found with in the last 7 days for return flights were $97 and $49 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 24 - Thu, Feb 26
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$97 Roundtrip, found 9 hours ago
$97
Roundtrip
found 9 hours ago
Select JetBlue Airways flight, departing Tue, Feb 24 from Jacksonville Intl. to John F. Kennedy Intl., returning Thu, Feb 26, priced at $97 found 9 hours ago
Fri, Mar 6 - Tue, Mar 10
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$98 Roundtrip, found 8 hours ago
$98
Roundtrip
found 8 hours ago
Select JetBlue Airways flight, departing Fri, Mar 6 from Jacksonville Intl. to John F. Kennedy Intl., returning Tue, Mar 10, priced at $98 found 8 hours ago
Fri, Mar 6 - Sat, Mar 7
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$99 Roundtrip, found 3 hours ago
$99
Roundtrip
found 3 hours ago
Select JetBlue Airways flight, departing Fri, Mar 6 from Jacksonville Intl. to John F. Kennedy Intl., returning Sat, Mar 7, priced at $99 found 3 hours ago
Thu, Feb 26 - Wed, Mar 4
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$113 Roundtrip, found 21 hours ago
$113
Roundtrip
found 21 hours ago
Select JetBlue Airways flight, departing Thu, Feb 26 from Jacksonville Intl. to John F. Kennedy Intl., returning Wed, Mar 4, priced at $113 found 21 hours ago
Tue, Feb 17 - Tue, Feb 24
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$120 Roundtrip, found 5 hours ago
$120
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 $120 found 5 hours ago
Sat, Feb 14 - Sat, Feb 21
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$127 Roundtrip, found 6 hours ago
$127
Roundtrip
found 6 hours ago
Select JetBlue Airways flight, departing Sat, Feb 14 from Jacksonville Intl. to John F. Kennedy Intl., returning Sat, Feb 21, priced at $127 found 6 hours ago
Fri, Mar 6 - Sat, Mar 7
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$130 Roundtrip, found 3 hours ago
$130
Roundtrip
found 3 hours ago
Select JetBlue Airways flight, departing Fri, Mar 6 from Jacksonville Intl. to John F. Kennedy Intl., returning Sat, Mar 7, priced at $130 found 3 hours ago
Sat, Feb 7 - Mon, Feb 9
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$135 Roundtrip, found 1 hour ago
$135
Roundtrip
found 1 hour ago
Select JetBlue Airways flight, departing Sat, Feb 7 from Jacksonville Intl. to John F. Kennedy Intl., returning Mon, Feb 9, priced at $135 found 1 hour ago
Mon, Mar 2 - Tue, Mar 3
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$146 Roundtrip, found 3 days ago
$146
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Mon, Mar 2 from Jacksonville Intl. to John F. Kennedy Intl., returning Tue, Mar 3, priced at $146 found 3 days ago
Fri, Feb 6 - Tue, Feb 10
JAX
Jacksonville Intl.
JFK
John F. Kennedy Intl.
$147 Roundtrip, found 5 hours ago
$147
Roundtrip
found 5 hours ago
Select JetBlue Airways flight, departing Fri, Feb 6 from Jacksonville Intl. to John F. Kennedy Intl., returning Tue, Feb 10, priced at $147 found 5 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.