JetBlue Airways Flight 398 Deals & Information (2025/2026)

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JetBlue Airways Flight 398 Route Deals From $100

The cheapest prices found with in the last 7 days for return flights were $197 and $100 for one-way flights to Logan Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Oct 8 - Mon, Oct 13
SEA
Seattle - Tacoma Intl.
BOS
Logan Intl.
$197 Roundtrip, just found
$197
Roundtrip
just found
Select JetBlue Airways flight, departing Wed, Oct 8 from Seattle - Tacoma Intl. to Logan Intl., returning Mon, Oct 13, priced at $197 just found
Wed, Sep 24 - Tue, Sep 30
SEA
Seattle - Tacoma Intl.
BOS
Logan Intl.
$201 Roundtrip, just found
$201
Roundtrip
just found
Select JetBlue Airways flight, departing Wed, Sep 24 from Seattle - Tacoma Intl. to Logan Intl., returning Tue, Sep 30, priced at $201 just found
Tue, Sep 16 - Sat, Sep 20
SEA
Seattle - Tacoma Intl.
BOS
Logan Intl.
$207 Roundtrip, found 1 hour ago
$207
Roundtrip
found 1 hour ago
Select JetBlue Airways flight, departing Tue, Sep 16 from Seattle - Tacoma Intl. to Logan Intl., returning Sat, Sep 20, priced at $207 found 1 hour ago
Wed, Sep 24 - Tue, Sep 30
SEA
Seattle - Tacoma Intl.
BOS
Logan Intl.
$211 Roundtrip, just found
$211
Roundtrip
just found
Select JetBlue Airways flight, departing Wed, Sep 24 from Seattle - Tacoma Intl. to Logan Intl., returning Tue, Sep 30, priced at $211 just found
Sat, Sep 13 - Thu, Sep 18
SEA
Seattle - Tacoma Intl.
BOS
Logan Intl.
$231 Roundtrip, found 6 hours ago
$231
Roundtrip
found 6 hours ago
Select JetBlue Airways flight, departing Sat, Sep 13 from Seattle - Tacoma Intl. to Logan Intl., returning Thu, Sep 18, priced at $231 found 6 hours ago
Wed, Oct 1 - Mon, Oct 6
SEA
Seattle - Tacoma Intl.
BOS
Logan Intl.
$232 Roundtrip, found 10 hours ago
$232
Roundtrip
found 10 hours ago
Select JetBlue Airways flight, departing Wed, Oct 1 from Seattle - Tacoma Intl. to Logan Intl., returning Mon, Oct 6, priced at $232 found 10 hours ago
Tue, Sep 30 - Mon, Oct 6
SEA
Seattle - Tacoma Intl.
BOS
Logan Intl.
$256 Roundtrip, just found
$256
Roundtrip
just found
Select JetBlue Airways flight, departing Tue, Sep 30 from Seattle - Tacoma Intl. to Logan Intl., returning Mon, Oct 6, priced at $256 just found