
United Flight AA3663 Deals & Information (2025/2026)
Wander Wisely with exceptional service, 24/7 supportOpens in a new window
Feel at ease with free flight cancellations within 24 hours of booking
Change your flight without a fee on select flights
United Flight 3663 Route Deals From $234
The cheapest prices found with in the last 7 days for return flights were $251 and $234 for one-way flights to Bangor Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.
ORD
O'Hare Intl.
BGR
Bangor Intl.
$251 Roundtrip, found 6 days ago
$251
Roundtrip
found 6 days ago
ORD
O'Hare Intl.
BGR
Bangor Intl.
$259 Roundtrip, found 19 hours ago
$259
Roundtrip
found 19 hours ago
ORD
O'Hare Intl.
BGR
Bangor Intl.
$268 Roundtrip, found 1 day ago
$268
Roundtrip
found 1 day ago
ORD
O'Hare Intl.
BGR
Bangor Intl.
$286 Roundtrip, found 19 hours ago
$286
Roundtrip
found 19 hours ago
ORD
O'Hare Intl.
BGR
Bangor Intl.
$286 Roundtrip, found 2 days ago
$286
Roundtrip
found 2 days ago
ORD
O'Hare Intl.
BGR
Bangor Intl.
$288 Roundtrip, found 1 day ago
$288
Roundtrip
found 1 day ago
ORD
O'Hare Intl.
BGR
Bangor Intl.
$293 Roundtrip, found 1 day ago
$293
Roundtrip
found 1 day ago