JetBlue Airways Flight 403 Deals & Information (2025/2026)

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JetBlue Airways Flight 403 Route Deals From $118

The cheapest prices found with in the last 7 days for return flights were $211 and $118 for one-way flights to Luis Munoz Marin Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Sep 27 - Sun, Sep 28
JFK
John F. Kennedy Intl.
SJU
Luis Munoz Marin Intl.
$211 Roundtrip, found 5 hours ago
$211
Roundtrip
found 5 hours ago
Select JetBlue Airways flight, departing Sat, Sep 27 from John F. Kennedy Intl. to Luis Munoz Marin Intl., returning Sun, Sep 28, priced at $211 found 5 hours ago
Wed, Sep 17 - Thu, Sep 18
JFK
John F. Kennedy Intl.
SJU
Luis Munoz Marin Intl.
$231 Roundtrip, found 1 hour ago
$231
Roundtrip
found 1 hour ago
Select JetBlue Airways flight, departing Wed, Sep 17 from John F. Kennedy Intl. to Luis Munoz Marin Intl., returning Thu, Sep 18, priced at $231 found 1 hour ago
Fri, Sep 19 - Sun, Sep 21
JFK
John F. Kennedy Intl.
SJU
Luis Munoz Marin Intl.
$236 Roundtrip, just found
$236
Roundtrip
just found
Select JetBlue Airways flight, departing Fri, Sep 19 from John F. Kennedy Intl. to Luis Munoz Marin Intl., returning Sun, Sep 21, priced at $236 just found
Sat, Jan 31 - Sat, Feb 7
JFK
John F. Kennedy Intl.
SJU
Luis Munoz Marin Intl.
$236 Roundtrip, found 4 hours ago
$236
Roundtrip
found 4 hours ago
Select JetBlue Airways flight, departing Sat, Jan 31 from John F. Kennedy Intl. to Luis Munoz Marin Intl., returning Sat, Feb 7, priced at $236 found 4 hours ago
Thu, Oct 2 - Mon, Oct 6
JFK
John F. Kennedy Intl.
SJU
Luis Munoz Marin Intl.
$245 Roundtrip, just found
$245
Roundtrip
just found
Select JetBlue Airways flight, departing Thu, Oct 2 from John F. Kennedy Intl. to Luis Munoz Marin Intl., returning Mon, Oct 6, priced at $245 just found

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.