United Flight AA3690 Deals & Information (2025/2026)

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United Flight 3690 Route Deals From $50

The cheapest prices found with in the last 7 days for return flights were $195 and $50 for one-way flights to Indianapolis Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Sep 23 - Tue, Sep 30
ORD
O'Hare Intl.
IND
Indianapolis Intl.
$195 Roundtrip, found 6 hours ago
$195
Roundtrip
found 6 hours ago
Select United flight, departing Tue, Sep 23 from O'Hare Intl. to Indianapolis Intl., returning Tue, Sep 30, priced at $195 found 6 hours ago
Tue, Sep 23 - Tue, Sep 30
ORD
O'Hare Intl.
IND
Indianapolis Intl.
$227 Roundtrip, found 6 hours ago
$227
Roundtrip
found 6 hours ago
Select United flight, departing Tue, Sep 23 from O'Hare Intl. to Indianapolis Intl., returning Tue, Sep 30, priced at $227 found 6 hours ago