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

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JetBlue Airways Flight 400 Route Deals From $124

The cheapest prices found with in the last 7 days for return flights were $212 and $124 for one-way flights to Logan Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jun 6 - Sat, Sep 26
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$212 Roundtrip, found 6 days ago
$212
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Sat, Jun 6 from Louis Armstrong New Orleans Intl. to Logan Intl., returning Sat, Sep 26, priced at $212 found 6 days ago
Sat, Aug 29 - Sun, Sep 6
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$218 Roundtrip, found 1 day ago
$218
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Sat, Aug 29 from Louis Armstrong New Orleans Intl. to Logan Intl., returning Sun, Sep 6, priced at $218 found 1 day ago
Tue, Sep 15 - Tue, Sep 22
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$247 Roundtrip, found 1 day ago
$247
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Tue, Sep 15 from Louis Armstrong New Orleans Intl. to Logan Intl., returning Tue, Sep 22, priced at $247 found 1 day ago
Fri, Aug 21 - Mon, Aug 24
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$247 Roundtrip, just found
$247
Roundtrip
just found
Select JetBlue Airways flight, departing Fri, Aug 21 from Louis Armstrong New Orleans Intl. to Logan Intl., returning Mon, Aug 24, priced at $247 just found
Fri, Aug 21 - Mon, Aug 24
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$254 Roundtrip, just found
$254
Roundtrip
just found
Select JetBlue Airways flight, departing Fri, Aug 21 from Louis Armstrong New Orleans Intl. to Logan Intl., returning Mon, Aug 24, priced at $254 just found
Fri, Sep 4 - Sun, Sep 6
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$258 Roundtrip, found 1 day ago
$258
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Fri, Sep 4 from Louis Armstrong New Orleans Intl. to Logan Intl., returning Sun, Sep 6, priced at $258 found 1 day ago
Tue, Aug 4 - Fri, Aug 7
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$262 Roundtrip, found 15 hours ago
$262
Roundtrip
found 15 hours ago
Select JetBlue Airways flight, departing Tue, Aug 4 from Louis Armstrong New Orleans Intl. to Logan Intl., returning Fri, Aug 7, priced at $262 found 15 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.