United Flight 366 Deals & Information (2025/2026)

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United Flight 366 Route Deals From $470

The cheapest prices found with in the last 7 days for return flights were and $470 for one-way flights to George Bush Intercontinental for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

What route does flight number UA366 take?
UA366 flies direct between Denver Intl. Airport (DEN) and Austin, TX Airport (AUS-Austin-Bergstrom Intl.) in 2 hours and 6 minutes. It can sometimes take other routes though, some of which may be multi-stop trips. Keep an eye out for this when booking your airfare to avoid any mix-ups.
What kind of plane is on flight number UA366?
If you're on flight UA366 from Denver Intl. Airport (DEN) to Austin, TX Airport (AUS-Austin-Bergstrom Intl.), there's a good chance you'll be heading off on a Boeing 737-800. This flight number serves many routes, but this is the most common one.
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 UA366 flight with Travelocity, please visit our Customer Service Portal.