United Flight 3663 Deals & Information (2025/2026)

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United Flight 3663 Route Deals From $283

The cheapest prices found with in the last 7 days for return flights were $446 and $283 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Nov 20 - Fri, Nov 21
YOW
Macdonald-Cartier Intl.
ORD
O'Hare Intl.
$446 Roundtrip, found 2 days ago
$446
Roundtrip
found 2 days ago
Select United flight, departing Thu, Nov 20 from Macdonald-Cartier Intl. to O'Hare Intl., returning Fri, Nov 21, priced at $446 found 2 days ago
Thu, Nov 20 - Fri, Nov 21
YOW
Macdonald-Cartier Intl.
ORD
O'Hare Intl.
$485 Roundtrip, found 2 days ago
$485
Roundtrip
found 2 days ago
Select United flight, departing Thu, Nov 20 from Macdonald-Cartier Intl. to O'Hare Intl., returning Fri, Nov 21, priced at $485 found 2 days ago
Thu, Nov 20 - Fri, Nov 21
YOW
Macdonald-Cartier Intl.
ORD
O'Hare Intl.
$541 Roundtrip, found 2 days ago
$541
Roundtrip
found 2 days ago
Select United flight, departing Thu, Nov 20 from Macdonald-Cartier Intl. to O'Hare Intl., returning Fri, Nov 21, priced at $541 found 2 days ago
Thu, Nov 20 - Mon, Dec 1
YOW
Macdonald-Cartier Intl.
ORD
O'Hare Intl.
$849 Roundtrip, found 3 days ago
$849
Roundtrip
found 3 days ago
Select United flight, departing Thu, Nov 20 from Macdonald-Cartier Intl. to O'Hare Intl., returning Mon, Dec 1, priced at $849 found 3 days 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.