JetBlue Airways Flight 400 Deals & Information (2025/2026)

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JetBlue Airways Flight 400 Route Deals From $71

The cheapest prices found with in the last 7 days for return flights were $137 and $71 for one-way flights to Logan Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jan 17 - Mon, Jan 19
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$137 Roundtrip, found 1 hour ago
$137
Roundtrip
found 1 hour ago
Select JetBlue Airways flight, departing Sat, Jan 17 from Louis Armstrong New Orleans Intl. to Logan Intl., returning Mon, Jan 19, priced at $137 found 1 hour ago
Fri, Jan 30 - Mon, Feb 2
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$140 Roundtrip, found 17 hours ago
$140
Roundtrip
found 17 hours ago
Select JetBlue Airways flight, departing Fri, Jan 30 from Louis Armstrong New Orleans Intl. to Logan Intl., returning Mon, Feb 2, priced at $140 found 17 hours ago
Thu, Jan 22 - Sat, Jan 31
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$152 Roundtrip, just found
$152
Roundtrip
just found
Select JetBlue Airways flight, departing Thu, Jan 22 from Louis Armstrong New Orleans Intl. to Logan Intl., returning Sat, Jan 31, priced at $152 just found
Sat, Jan 24 - Tue, Jan 27
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$166 Roundtrip, found 18 hours ago
$166
Roundtrip
found 18 hours ago
Select JetBlue Airways flight, departing Sat, Jan 24 from Louis Armstrong New Orleans Intl. to Logan Intl., returning Tue, Jan 27, priced at $166 found 18 hours ago
Thu, Jan 22 - Sat, Jan 31
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$175 Roundtrip, just found
$175
Roundtrip
just found
Select JetBlue Airways flight, departing Thu, Jan 22 from Louis Armstrong New Orleans Intl. to Logan Intl., returning Sat, Jan 31, priced at $175 just found
Thu, Feb 12 - Mon, Feb 16
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$177 Roundtrip, found 19 hours ago
$177
Roundtrip
found 19 hours ago
Select JetBlue Airways flight, departing Thu, Feb 12 from Louis Armstrong New Orleans Intl. to Logan Intl., returning Mon, Feb 16, priced at $177 found 19 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.