United Flight 1177 Deals & Information (2025/2026)

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United Flight 1177 Route Deals From $144

The cheapest prices found with in the last 7 days for return flights were $403 and $144 for one-way flights to Cancun Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Nov 18 - Fri, Nov 21
DEN
Denver Intl.
CUN
Cancun Intl.
$403 Roundtrip, found 4 hours ago
$403
Roundtrip
found 4 hours ago
Select United flight, departing Tue, Nov 18 from Denver Intl. to Cancun Intl., returning Fri, Nov 21, priced at $403 found 4 hours ago

Frequently asked questions

What route does flight number UA1177 take?
UA1177 is used on multiple routes. Most commonly, UA1177 flies straight from Washington Dulles Intl. Airport (IAD) to Portland, ME Airport (PWM-Portland Intl. Jetport). If this is your route, you'll be in the air for roughly 1 hour and 30 minutes.
What kind of plane is on flight number UA1177?
If you're taking flight UA1177 from Washington Dulles Intl. Airport (IAD) to Portland Intl. Jetport, you'll most likely be cruising aboard the Airbus A319. Flight UA1177 serves a number of 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 UA1177 flight with Travelocity, please visit our Customer Service Portal.