JetBlue Airways Flight 400 Deals & Information (2026/2027)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

JetBlue Airways Flight 400 Route Deals From $59

The cheapest prices found with in the last 7 days for return flights were $118 and $59 for one-way flights to Logan Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Feb 14 - Sat, Feb 21
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$118 Roundtrip, found 1 day ago
$118
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Sat, Feb 14 from Louis Armstrong New Orleans Intl. to Logan Intl., returning Sat, Feb 21, priced at $118 found 1 day ago
Sat, Feb 14 - Sat, Feb 21
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$119 Roundtrip, found 1 day ago
$119
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Sat, Feb 14 from Louis Armstrong New Orleans Intl. to Logan Intl., returning Sat, Feb 21, priced at $119 found 1 day ago
Sat, Feb 14 - Wed, Feb 18
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$134 Roundtrip, found 1 day ago
$134
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Sat, Feb 14 from Louis Armstrong New Orleans Intl. to Logan Intl., returning Wed, Feb 18, priced at $134 found 1 day ago
Wed, Mar 25 - Sun, Mar 29
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$148 Roundtrip, found 16 hours ago
$148
Roundtrip
found 16 hours ago
Select JetBlue Airways flight, departing Wed, Mar 25 from Louis Armstrong New Orleans Intl. to Logan Intl., returning Sun, Mar 29, priced at $148 found 16 hours ago
Sat, Feb 14 - Sat, Feb 21
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$149 Roundtrip, found 1 day ago
$149
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Sat, Feb 14 from Louis Armstrong New Orleans Intl. to Logan Intl., returning Sat, Feb 21, priced at $149 found 1 day ago
Sat, Feb 14 - Sat, Feb 21
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$152 Roundtrip, found 1 day ago
$152
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Sat, Feb 14 from Louis Armstrong New Orleans Intl. to Logan Intl., returning Sat, Feb 21, priced at $152 found 1 day ago
Sat, Feb 14 - Sat, Feb 21
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$153 Roundtrip, found 1 day ago
$153
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Sat, Feb 14 from Louis Armstrong New Orleans Intl. to Logan Intl., returning Sat, Feb 21, priced at $153 found 1 day ago

Frequently asked questions

What route does flight number B6400 take?
B6400 travels between Louis Armstrong New Orleans Intl. Airport and BOS and is a direct flight. This service takes 3 hours and 16 minutes.
What kind of plane is on flight number B6400?
There's every chance you'll find yourself jumping on board an Embraer 190 if you're traveling on flight number B6400. Typically, this flight departs from New Orleans, LA Airport (MSY-Louis Armstrong New Orleans Intl.) and arrives at BOS.
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 B6400 flight with Travelocity, please visit our Customer Service Portal.