Beginning of main content
Trip Type
Flight 1
Flight 2
Flight 3
Flight 4
Flight 5
Due to coronavirus (COVID-19) travel advisories, some destinations may be unavailable for certain dates. Find out more.

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

United Flight 577 Route Deals From $59

The cheapest prices found with in the last 7 days for return flights were $117 and $59 for one-way flights to Spokane Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

More United Flight For This Route

Carrier Flight Depart DEN Arrive GEG Fri
9/25
Sat
9/26
Sun
9/27
Mon
9/28
Tue
9/29
Wed
9/30
Thu
10/1
Stops
UA 502 11:15 am 12:38 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
UA 577 07:45 pm 09:09 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)

FAQs about UA577

What route does flight number UA577 take?

Flight number UA577 flies non-stop from Denver, CO (DEN-Denver Intl.) to Spokane, WA (GEG-Spokane Intl.). During this journey, expect to be in the air for roughly 2 hours and 25 minutes. It's wise to book ahead to secure your preferred seat.

What kind of plane is on flight number UA577?

You'll most likely be cruising aboard an Airbus A319 if you have a seat on flight UA577. Generally, this flight heads off from Denver, CO (DEN-Denver Intl.) and touches down at Spokane, WA (GEG-Spokane Intl.).