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 $247 and $124 for one-way flights to Logan Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Aug 22 - Tue, Aug 25
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$247 Roundtrip, just found
$247
Roundtrip
just found
Select JetBlue Airways flight, departing Sat, Aug 22 from Louis Armstrong New Orleans Intl. to Logan Intl., returning Tue, Aug 25, priced at $247 just found
Thu, Jul 9 - Mon, Jul 13
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$253 Roundtrip, found 4 hours ago
$253
Roundtrip
found 4 hours ago
Select JetBlue Airways flight, departing Thu, Jul 9 from Louis Armstrong New Orleans Intl. to Logan Intl., returning Mon, Jul 13, priced at $253 found 4 hours ago
Tue, Jun 9 - Sat, Jun 20
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$261 Roundtrip, found 1 day ago
$261
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Tue, Jun 9 from Louis Armstrong New Orleans Intl. to Logan Intl., returning Sat, Jun 20, priced at $261 found 1 day ago
Fri, Sep 4 - Tue, Sep 8
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$262 Roundtrip, just found
$262
Roundtrip
just found
Select JetBlue Airways flight, departing Fri, Sep 4 from Louis Armstrong New Orleans Intl. to Logan Intl., returning Tue, Sep 8, priced at $262 just found
Fri, Jul 10 - Wed, Jul 15
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$268 Roundtrip, found 6 hours ago
$268
Roundtrip
found 6 hours ago
Select JetBlue Airways flight, departing Fri, Jul 10 from Louis Armstrong New Orleans Intl. to Logan Intl., returning Wed, Jul 15, priced at $268 found 6 hours ago
Wed, Aug 12 - Wed, Aug 19
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$269 Roundtrip, found 7 hours ago
$269
Roundtrip
found 7 hours ago
Select JetBlue Airways flight, departing Wed, Aug 12 from Louis Armstrong New Orleans Intl. to Logan Intl., returning Wed, Aug 19, priced at $269 found 7 hours ago
Fri, Sep 4 - Tue, Sep 8
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$272 Roundtrip, just found
$272
Roundtrip
just found
Select JetBlue Airways flight, departing Fri, Sep 4 from Louis Armstrong New Orleans Intl. to Logan Intl., returning Tue, Sep 8, priced at $272 just found
Wed, Nov 11 - Mon, Nov 16
MSY
Louis Armstrong New Orleans Intl.
BOS
Logan Intl.
$277 Roundtrip, found 1 hour ago
$277
Roundtrip
found 1 hour ago
Select JetBlue Airways flight, departing Wed, Nov 11 from Louis Armstrong New Orleans Intl. to Logan Intl., returning Mon, Nov 16, priced at $277 found 1 hour 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.