United Flight AA3663 Deals & Information (2025/2026)

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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.

Thu, Jul 17 - Thu, Jul 24
ORD
O'Hare Intl.
BGR
Bangor Intl.
$251 Roundtrip, found 6 days ago
$251
Roundtrip
found 6 days ago
Select United flight, departing Thu, Jul 17 from O'Hare Intl. to Bangor Intl., returning Thu, Jul 24, priced at $251 found 6 days ago
Thu, Sep 11 - Wed, Sep 17
ORD
O'Hare Intl.
BGR
Bangor Intl.
$259 Roundtrip, found 19 hours ago
$259
Roundtrip
found 19 hours ago
Select United flight, departing Thu, Sep 11 from O'Hare Intl. to Bangor Intl., returning Wed, Sep 17, priced at $259 found 19 hours ago
Mon, Sep 8 - Sat, Sep 20
ORD
O'Hare Intl.
BGR
Bangor Intl.
$268 Roundtrip, found 1 day ago
$268
Roundtrip
found 1 day ago
Select United flight, departing Mon, Sep 8 from O'Hare Intl. to Bangor Intl., returning Sat, Sep 20, priced at $268 found 1 day ago
Thu, Sep 11 - Wed, Sep 17
ORD
O'Hare Intl.
BGR
Bangor Intl.
$286 Roundtrip, found 19 hours ago
$286
Roundtrip
found 19 hours ago
Select United flight, departing Thu, Sep 11 from O'Hare Intl. to Bangor Intl., returning Wed, Sep 17, priced at $286 found 19 hours ago
Tue, Oct 14 - Fri, Oct 17
ORD
O'Hare Intl.
BGR
Bangor Intl.
$286 Roundtrip, found 2 days ago
$286
Roundtrip
found 2 days ago
Select United flight, departing Tue, Oct 14 from O'Hare Intl. to Bangor Intl., returning Fri, Oct 17, priced at $286 found 2 days ago
Mon, Sep 8 - Sat, Sep 20
ORD
O'Hare Intl.
BGR
Bangor Intl.
$288 Roundtrip, found 1 day ago
$288
Roundtrip
found 1 day ago
Select United flight, departing Mon, Sep 8 from O'Hare Intl. to Bangor Intl., returning Sat, Sep 20, priced at $288 found 1 day ago
Mon, Sep 8 - Sat, Sep 20
ORD
O'Hare Intl.
BGR
Bangor Intl.
$293 Roundtrip, found 1 day ago
$293
Roundtrip
found 1 day ago
Select United flight, departing Mon, Sep 8 from O'Hare Intl. to Bangor Intl., returning Sat, Sep 20, priced at $293 found 1 day ago

Frequently asked questions

What route does flight number UA3663 take?
UA3663 takes multiple routes. The most frequently flown is Detroit Metropolitan Wayne County Airport (DTW) to Newark, NJ Airport (EWR-Liberty Intl.), which is a direct flight. This flight typically takes 1 hour and 42 minutes. That said, there may possibly be other flights with the same number that are multi-stop.
What terminal does UA3663 fly out of?
If you're heading off from Detroit Metropolitan Wayne County Airport (DTW), you'll likely board the plane from Terminal N. The most traveled route for flight number UA3663 is Metro Airport to EWR, which is a nonstop flight.
What kind of plane is on flight number UA3663?
It's highly likely you'll be cruising aboard an Embraer 170 if you've booked a seat on flight number UA3663 from Detroit, MI Airport (DTW-Detroit Metropolitan Wayne County) to Newark Airport. This is the most commonly used type of aircraft on this popular route.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your UA3663 flight with Travelocity, please visit our Customer Service Portal.