American Airlines Flight 3898 Deals & Information (2025/2026)

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American Airlines Flight 3898 Route Deals From $133

The cheapest prices found with in the last 7 days for return flights were $242 and $133 for one-way flights to Missoula Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Sep 17 - Tue, Sep 23
ORD
O'Hare Intl.
MSO
Missoula Intl.
$242 Roundtrip, found 5 days ago
$242
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Sep 17 from O'Hare Intl. to Missoula Intl., returning Tue, Sep 23, priced at $242 found 5 days ago
Wed, Sep 17 - Tue, Sep 23
ORD
O'Hare Intl.
MSO
Missoula Intl.
$252 Roundtrip, found 5 days ago
$252
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Sep 17 from O'Hare Intl. to Missoula Intl., returning Tue, Sep 23, priced at $252 found 5 days ago
Tue, Jul 29 - Sun, Aug 3
ORD
O'Hare Intl.
MSO
Missoula Intl.
$254 Roundtrip, found 1 day ago
$254
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Jul 29 from O'Hare Intl. to Missoula Intl., returning Sun, Aug 3, priced at $254 found 1 day ago
Wed, Jul 30 - Sun, Aug 3
ORD
O'Hare Intl.
MSO
Missoula Intl.
$284 Roundtrip, found 1 day ago
$284
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Jul 30 from O'Hare Intl. to Missoula Intl., returning Sun, Aug 3, priced at $284 found 1 day ago