United Flight 1177 Deals & Information (2025/2026)

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United Flight 1177 Route Deals From $159

The cheapest prices found with in the last 7 days for return flights were $250 and $159 for one-way flights to Cancun Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Aug 12 - Wed, Aug 13
DEN
Denver Intl.
CUN
Cancun Intl.
$250 Roundtrip, found 22 hours ago
$250
Roundtrip
found 22 hours ago
Select United flight, departing Tue, Aug 12 from Denver Intl. to Cancun Intl., returning Wed, Aug 13, priced at $250 found 22 hours ago
Tue, Aug 12 - Wed, Aug 13
DEN
Denver Intl.
CUN
Cancun Intl.
$260 Roundtrip, found 22 hours ago
$260
Roundtrip
found 22 hours ago
Select United flight, departing Tue, Aug 12 from Denver Intl. to Cancun Intl., returning Wed, Aug 13, priced at $260 found 22 hours ago
Sat, Aug 9 - Fri, Aug 15
DEN
Denver Intl.
CUN
Cancun Intl.
$269 Roundtrip, found 22 hours ago
$269
Roundtrip
found 22 hours ago
Select United flight, departing Sat, Aug 9 from Denver Intl. to Cancun Intl., returning Fri, Aug 15, priced at $269 found 22 hours ago
Tue, Aug 12 - Wed, Aug 13
DEN
Denver Intl.
CUN
Cancun Intl.
$305 Roundtrip, found 22 hours ago
$305
Roundtrip
found 22 hours ago
Select United flight, departing Tue, Aug 12 from Denver Intl. to Cancun Intl., returning Wed, Aug 13, priced at $305 found 22 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.