JetBlue Airways Flight B6403 Deals & Information (2025/2026)

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JetBlue Airways Flight 403 Route Deals From $98

The cheapest prices found with in the last 7 days for return flights were $159 and $98 for one-way flights to Luis Munoz Marin Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jul 22 - Fri, Jul 25
JFK
John F. Kennedy Intl.
SJU
Luis Munoz Marin Intl.
$159 Roundtrip, found 2 hours ago
$159
Roundtrip
found 2 hours ago
Select JetBlue Airways flight, departing Tue, Jul 22 from John F. Kennedy Intl. to Luis Munoz Marin Intl., returning Fri, Jul 25, priced at $159 found 2 hours ago
Sun, Jul 13 - Tue, Nov 4
JFK
John F. Kennedy Intl.
SJU
Luis Munoz Marin Intl.
$161 Roundtrip, found 3 days ago
$161
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Sun, Jul 13 from John F. Kennedy Intl. to Luis Munoz Marin Intl., returning Tue, Nov 4, priced at $161 found 3 days ago
Sun, Jul 20 - Sat, Jul 26
JFK
John F. Kennedy Intl.
SJU
Luis Munoz Marin Intl.
$166 Roundtrip, found 7 hours ago
$166
Roundtrip
found 7 hours ago
Select JetBlue Airways flight, departing Sun, Jul 20 from John F. Kennedy Intl. to Luis Munoz Marin Intl., returning Sat, Jul 26, priced at $166 found 7 hours ago
Thu, Jul 10 - Wed, Jul 16
JFK
John F. Kennedy Intl.
SJU
Luis Munoz Marin Intl.
$169 Roundtrip, found 4 hours ago
$169
Roundtrip
found 4 hours ago
Select JetBlue Airways flight, departing Thu, Jul 10 from John F. Kennedy Intl. to Luis Munoz Marin Intl., returning Wed, Jul 16, priced at $169 found 4 hours ago
Fri, Jun 20 - Thu, Jun 26
JFK
John F. Kennedy Intl.
SJU
Luis Munoz Marin Intl.
$176 Roundtrip, just found
$176
Roundtrip
just found
Select JetBlue Airways flight, departing Fri, Jun 20 from John F. Kennedy Intl. to Luis Munoz Marin Intl., returning Thu, Jun 26, priced at $176 just found
Sat, Jun 21 - Tue, Jun 24
JFK
John F. Kennedy Intl.
SJU
Luis Munoz Marin Intl.
$180 Roundtrip, just found
$180
Roundtrip
just found
Select JetBlue Airways flight, departing Sat, Jun 21 from John F. Kennedy Intl. to Luis Munoz Marin Intl., returning Tue, Jun 24, priced at $180 just found
Sat, Jun 21 - Fri, Jul 11
JFK
John F. Kennedy Intl.
SJU
Luis Munoz Marin Intl.
$200 Roundtrip, found 12 hours ago
$200
Roundtrip
found 12 hours ago
Select JetBlue Airways flight, departing Sat, Jun 21 from John F. Kennedy Intl. to Luis Munoz Marin Intl., returning Fri, Jul 11, priced at $200 found 12 hours ago
Sun, Jul 20 - Sat, Jul 26
JFK
John F. Kennedy Intl.
SJU
Luis Munoz Marin Intl.
$206 Roundtrip, found 7 hours ago
$206
Roundtrip
found 7 hours ago
Select JetBlue Airways flight, departing Sun, Jul 20 from John F. Kennedy Intl. to Luis Munoz Marin Intl., returning Sat, Jul 26, priced at $206 found 7 hours ago
Tue, Sep 9 - Tue, Sep 16
JFK
John F. Kennedy Intl.
SJU
Luis Munoz Marin Intl.
$210 Roundtrip, just found
$210
Roundtrip
just found
Select JetBlue Airways flight, departing Tue, Sep 9 from John F. Kennedy Intl. to Luis Munoz Marin Intl., returning Tue, Sep 16, priced at $210 just found
Sat, Dec 13 - Sun, Dec 14
JFK
John F. Kennedy Intl.
SJU
Luis Munoz Marin Intl.
$221 Roundtrip, found 3 hours ago
$221
Roundtrip
found 3 hours ago
Select JetBlue Airways flight, departing Sat, Dec 13 from John F. Kennedy Intl. to Luis Munoz Marin Intl., returning Sun, Dec 14, priced at $221 found 3 hours ago

Frequently asked questions

What route does flight number B6403 take?
B6403 takes roughly 3 hours and 48 minutes to jet directly from JFK to SJU. We all know there’s magic in the destination, but half the fun is in the journey!
What terminal does B6403 fly out of?
Flights to and from JFK Airport and SJU are served by flight number B6403, and travelers with a seat booked on this flight typically depart from Terminal 5.
What kind of plane is on flight number B6403?
The Airbus A320 is the aircraft most frequently used for flight number B6403. This flight nearly always leaves from JFK Airport and lands at Isla Verde Intl. 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 B6403 flight with Travelocity, please visit our Customer Service Portal.