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

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 $99

The cheapest prices found with in the last 7 days for return flights were $174 and $99 for one-way flights to Logan Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jul 29 - Mon, Aug 11
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$174 Roundtrip, found 5 days ago
$174
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Tue, Jul 29 from Louis Armstrong New Orleans Intl. to Logan Intl., returning Mon, Aug 11, priced at $174 found 5 days ago
Wed, Sep 17 - Wed, Sep 24
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$177 Roundtrip, found 7 hours ago
$177
Roundtrip
found 7 hours ago
Select JetBlue Airways flight, departing Wed, Sep 17 from Louis Armstrong New Orleans Intl. to Logan Intl., returning Wed, Sep 24, priced at $177 found 7 hours ago
Sat, Aug 9 - Sat, Aug 16
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$180 Roundtrip, found 3 hours ago
$180
Roundtrip
found 3 hours ago
Select JetBlue Airways flight, departing Sat, Aug 9 from Louis Armstrong New Orleans Intl. to Logan Intl., returning Sat, Aug 16, priced at $180 found 3 hours ago
Sat, Sep 20 - Mon, Sep 22
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$187 Roundtrip, found 13 hours ago
$187
Roundtrip
found 13 hours ago
Select JetBlue Airways flight, departing Sat, Sep 20 from Louis Armstrong New Orleans Intl. to Logan Intl., returning Mon, Sep 22, priced at $187 found 13 hours ago
Wed, Sep 3 - Mon, Sep 8
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$190 Roundtrip, found 1 day ago
$190
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Wed, Sep 3 from Louis Armstrong New Orleans Intl. to Logan Intl., returning Mon, Sep 8, priced at $190 found 1 day ago
Sat, Aug 2 - Wed, Aug 6
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$192 Roundtrip, found 1 day ago
$192
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Sat, Aug 2 from Louis Armstrong New Orleans Intl. to Logan Intl., returning Wed, Aug 6, priced at $192 found 1 day ago
Mon, Aug 18 - Sat, Aug 23
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$195 Roundtrip, found 1 day ago
$195
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Mon, Aug 18 from Louis Armstrong New Orleans Intl. to Logan Intl., returning Sat, Aug 23, priced at $195 found 1 day ago
Thu, Oct 23 - Mon, Oct 27
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$196 Roundtrip, found 2 hours ago
$196
Roundtrip
found 2 hours ago
Select JetBlue Airways flight, departing Thu, Oct 23 from Louis Armstrong New Orleans Intl. to Logan Intl., returning Mon, Oct 27, priced at $196 found 2 hours ago
Thu, Oct 23 - Mon, Oct 27
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$197 Roundtrip, found 2 hours ago
$197
Roundtrip
found 2 hours ago
Select JetBlue Airways flight, departing Thu, Oct 23 from Louis Armstrong New Orleans Intl. to Logan Intl., returning Mon, Oct 27, priced at $197 found 2 hours ago
Fri, Aug 29 - Tue, Sep 2
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$200 Roundtrip, found 8 hours ago
$200
Roundtrip
found 8 hours ago
Select JetBlue Airways flight, departing Fri, Aug 29 from Louis Armstrong New Orleans Intl. to Logan Intl., returning Tue, Sep 2, priced at $200 found 8 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.