United Flight WN3856 Deals & Information (2025/2026)

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United Flight 3856 Route Deals From $92

The cheapest prices found with in the last 7 days for return flights were $187 and $92 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

What route does flight number UA3856 take?
UA3856 serves multiple routes, but the most common is between ORD and Gerald R. Ford Intl. Airport (GRR). If your flight goes direct, you'll step off the plane in 50 minutes. Multi-stop flights can also travel under this number, as can services on other routes.
What terminal does UA3856 fly out of?
You'll probably depart from Terminal 2 if you're beginning your journey at O'Hare Intl. Airport (ORD). Flight number UA3856 serves several different routes, but the direct flight between O'Hare Intl. Airport (ORD) and Gerald R. Ford Intl. Airport (GRR) is the most popular one.
What kind of plane is on flight number UA3856?
UA3856 is a flight number that is used on lots of different routes. If you've booked a seat on the most common route, Chicago, IL Airport (ORD-O'Hare Intl.) to Grand Rapids, MI Airport (GRR-Gerald R. Ford Intl.), there's a good chance you'll be on the Bombardier CRJ.
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 UA3856 flight with Travelocity, please visit our Customer Service Portal.