American Airlines Flight 3563 Deals & Information (2025/2026)

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American Airlines Flight 3563 Route Deals From $104

The cheapest prices found with in the last 7 days for return flights were $213 and $104 for one-way flights to Logan Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Oct 27 - Sat, Nov 1
STL
Lambert-St. Louis Intl.
BOS
Logan Intl.
$213 Roundtrip, found 8 hours ago
$213
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Mon, Oct 27 from Lambert-St. Louis Intl. to Logan Intl., returning Sat, Nov 1, priced at $213 found 8 hours ago
Tue, Oct 28 - Tue, Nov 4
STL
Lambert-St. Louis Intl.
BOS
Logan Intl.
$236 Roundtrip, found 8 hours ago
$236
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Tue, Oct 28 from Lambert-St. Louis Intl. to Logan Intl., returning Tue, Nov 4, priced at $236 found 8 hours ago
Wed, Oct 29 - Wed, Nov 5
STL
Lambert-St. Louis Intl.
BOS
Logan Intl.
$239 Roundtrip, found 8 hours ago
$239
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Wed, Oct 29 from Lambert-St. Louis Intl. to Logan Intl., returning Wed, Nov 5, priced at $239 found 8 hours ago
Wed, Oct 29 - Wed, Nov 5
STL
Lambert-St. Louis Intl.
BOS
Logan Intl.
$241 Roundtrip, found 8 hours ago
$241
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Wed, Oct 29 from Lambert-St. Louis Intl. to Logan Intl., returning Wed, Nov 5, priced at $241 found 8 hours ago
Tue, Oct 28 - Sun, Nov 2
STL
Lambert-St. Louis Intl.
BOS
Logan Intl.
$255 Roundtrip, found 23 hours ago
$255
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Tue, Oct 28 from Lambert-St. Louis Intl. to Logan Intl., returning Sun, Nov 2, priced at $255 found 23 hours ago
Wed, Feb 4 - Mon, Feb 9
STL
Lambert-St. Louis Intl.
BOS
Logan Intl.
$266 Roundtrip, found 8 hours ago
$266
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Wed, Feb 4 from Lambert-St. Louis Intl. to Logan Intl., returning Mon, Feb 9, priced at $266 found 8 hours ago
Mon, Oct 27 - Sat, Nov 1
STL
Lambert-St. Louis Intl.
BOS
Logan Intl.
$268 Roundtrip, found 8 hours ago
$268
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Mon, Oct 27 from Lambert-St. Louis Intl. to Logan Intl., returning Sat, Nov 1, priced at $268 found 8 hours ago
Tue, Oct 28 - Tue, Nov 4
STL
Lambert-St. Louis Intl.
BOS
Logan Intl.
$271 Roundtrip, found 8 hours ago
$271
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Tue, Oct 28 from Lambert-St. Louis Intl. to Logan Intl., returning Tue, Nov 4, priced at $271 found 8 hours ago
Wed, Feb 4 - Mon, Feb 9
STL
Lambert-St. Louis Intl.
BOS
Logan Intl.
$276 Roundtrip, found 8 hours ago
$276
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Wed, Feb 4 from Lambert-St. Louis Intl. to Logan Intl., returning Mon, Feb 9, priced at $276 found 8 hours ago
Mon, Oct 27 - Sat, Nov 1
STL
Lambert-St. Louis Intl.
BOS
Logan Intl.
$280 Roundtrip, found 8 hours ago
$280
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Mon, Oct 27 from Lambert-St. Louis Intl. to Logan Intl., returning Sat, Nov 1, priced at $280 found 8 hours ago