JetBlue Airways Flight 678 Deals & Information (2025/2026)

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JetBlue Airways Flight 678 Route Deals From $59

The cheapest prices found with in the last 7 days for return flights were $117 and $59 for one-way flights to Jacksonville Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Sep 13 - Wed, Sep 17
JFK
John F. Kennedy Intl.
JAX
Jacksonville Intl.
$117 Roundtrip, just found
$117
Roundtrip
just found
Select JetBlue Airways flight, departing Sat, Sep 13 from John F. Kennedy Intl. to Jacksonville Intl., returning Wed, Sep 17, priced at $117 just found
Tue, Jul 22 - Tue, Aug 5
JFK
John F. Kennedy Intl.
JAX
Jacksonville Intl.
$118 Roundtrip, found 6 hours ago
$118
Roundtrip
found 6 hours ago
Select JetBlue Airways flight, departing Tue, Jul 22 from John F. Kennedy Intl. to Jacksonville Intl., returning Tue, Aug 5, priced at $118 found 6 hours ago
Sat, Oct 11 - Tue, Oct 14
JFK
John F. Kennedy Intl.
JAX
Jacksonville Intl.
$127 Roundtrip, just found
$127
Roundtrip
just found
Select JetBlue Airways flight, departing Sat, Oct 11 from John F. Kennedy Intl. to Jacksonville Intl., returning Tue, Oct 14, priced at $127 just found
Wed, Aug 27 - Wed, Sep 3
JFK
John F. Kennedy Intl.
JAX
Jacksonville Intl.
$129 Roundtrip, just found
$129
Roundtrip
just found
Select JetBlue Airways flight, departing Wed, Aug 27 from John F. Kennedy Intl. to Jacksonville Intl., returning Wed, Sep 3, priced at $129 just found
Sat, Oct 11 - Tue, Oct 14
JFK
John F. Kennedy Intl.
JAX
Jacksonville Intl.
$137 Roundtrip, just found
$137
Roundtrip
just found
Select JetBlue Airways flight, departing Sat, Oct 11 from John F. Kennedy Intl. to Jacksonville Intl., returning Tue, Oct 14, priced at $137 just found
Thu, Aug 21 - Wed, Sep 3
JFK
John F. Kennedy Intl.
JAX
Jacksonville Intl.
$142 Roundtrip, found 1 day ago
$142
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Thu, Aug 21 from John F. Kennedy Intl. to Jacksonville Intl., returning Wed, Sep 3, priced at $142 found 1 day ago
Fri, Aug 29 - Wed, Sep 3
JFK
John F. Kennedy Intl.
JAX
Jacksonville Intl.
$144 Roundtrip, found 18 hours ago
$144
Roundtrip
found 18 hours ago
Select JetBlue Airways flight, departing Fri, Aug 29 from John F. Kennedy Intl. to Jacksonville Intl., returning Wed, Sep 3, priced at $144 found 18 hours ago
Sat, Sep 6 - Mon, Sep 8
JFK
John F. Kennedy Intl.
JAX
Jacksonville Intl.
$149 Roundtrip, found 1 day ago
$149
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Sat, Sep 6 from John F. Kennedy Intl. to Jacksonville Intl., returning Mon, Sep 8, priced at $149 found 1 day ago
Thu, Aug 21 - Wed, Sep 3
JFK
John F. Kennedy Intl.
JAX
Jacksonville Intl.
$152 Roundtrip, found 1 day ago
$152
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Thu, Aug 21 from John F. Kennedy Intl. to Jacksonville Intl., returning Wed, Sep 3, priced at $152 found 1 day ago
Fri, Aug 29 - Wed, Sep 3
JFK
John F. Kennedy Intl.
JAX
Jacksonville Intl.
$154 Roundtrip, found 18 hours ago
$154
Roundtrip
found 18 hours ago
Select JetBlue Airways flight, departing Fri, Aug 29 from John F. Kennedy Intl. to Jacksonville Intl., returning Wed, Sep 3, priced at $154 found 18 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.