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

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JetBlue Airways Flight 400 Route Deals From $59

The cheapest prices found with in the last 7 days for return flights were $134 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 - Wed, Feb 18
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$134 Roundtrip, found 2 days ago
$134
Roundtrip
found 2 days 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 2 days ago
Wed, Mar 25 - Sun, Mar 29
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$158 Roundtrip, just found
$158
Roundtrip
just found
Select JetBlue Airways flight, departing Wed, Mar 25 from Louis Armstrong New Orleans Intl. to Logan Intl., returning Sun, Mar 29, priced at $158 just found
Thu, Mar 12 - Mon, Mar 16
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$177 Roundtrip, found 12 hours ago
$177
Roundtrip
found 12 hours ago
Select JetBlue Airways flight, departing Thu, Mar 12 from Louis Armstrong New Orleans Intl. to Logan Intl., returning Mon, Mar 16, priced at $177 found 12 hours ago
Wed, Mar 18 - Sun, Mar 22
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$181 Roundtrip, found 17 hours ago
$181
Roundtrip
found 17 hours ago
Select JetBlue Airways flight, departing Wed, Mar 18 from Louis Armstrong New Orleans Intl. to Logan Intl., returning Sun, Mar 22, priced at $181 found 17 hours ago
Thu, Mar 12 - Mon, Mar 16
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$182 Roundtrip, found 12 hours ago
$182
Roundtrip
found 12 hours ago
Select JetBlue Airways flight, departing Thu, Mar 12 from Louis Armstrong New Orleans Intl. to Logan Intl., returning Mon, Mar 16, priced at $182 found 12 hours 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.