American Airlines Flight AA3867 Deals & Information (2025/2026)

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American Airlines Flight 3867 Route Deals From $179

The cheapest prices found with in the last 7 days for return flights were $309 and $179 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Sep 14 - Sat, Sep 20
BIL
Logan Intl.
ORD
O'Hare Intl.
$309 Roundtrip, found 3 hours ago
$309
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Sun, Sep 14 from Logan Intl. to O'Hare Intl., returning Sat, Sep 20, priced at $309 found 3 hours ago
Sat, Dec 13 - Tue, Dec 16
BIL
Logan Intl.
ORD
O'Hare Intl.
$345 Roundtrip, found 3 days ago
$345
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Dec 13 from Logan Intl. to O'Hare Intl., returning Tue, Dec 16, priced at $345 found 3 days ago
Sun, Sep 14 - Sat, Sep 20
BIL
Logan Intl.
ORD
O'Hare Intl.
$354 Roundtrip, found 3 hours ago
$354
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Sun, Sep 14 from Logan Intl. to O'Hare Intl., returning Sat, Sep 20, priced at $354 found 3 hours ago
Sun, Sep 14 - Sat, Sep 20
BIL
Logan Intl.
ORD
O'Hare Intl.
$390 Roundtrip, found 3 hours ago
$390
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Sun, Sep 14 from Logan Intl. to O'Hare Intl., returning Sat, Sep 20, priced at $390 found 3 hours ago
Sun, Sep 14 - Sat, Sep 20
BIL
Logan Intl.
ORD
O'Hare Intl.
$419 Roundtrip, found 3 hours ago
$419
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Sun, Sep 14 from Logan Intl. to O'Hare Intl., returning Sat, Sep 20, priced at $419 found 3 hours ago