United Flight WN1177 Deals & Information (2025/2026)

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United Flight 1177 Route Deals From $114

The cheapest prices found with in the last 7 days for return flights were $261 and $114 for one-way flights to Cancun Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jul 29 - Sun, Aug 3
DEN
Denver Intl.
CUN
Cancun Intl.
$261 Roundtrip, found 2 days ago
$261
Roundtrip
found 2 days ago
Select United flight, departing Tue, Jul 29 from Denver Intl. to Cancun Intl., returning Sun, Aug 3, priced at $261 found 2 days ago
Tue, Jul 15 - Wed, Jul 16
DEN
Denver Intl.
CUN
Cancun Intl.
$285 Roundtrip, found 2 hours ago
$285
Roundtrip
found 2 hours ago
Select United flight, departing Tue, Jul 15 from Denver Intl. to Cancun Intl., returning Wed, Jul 16, priced at $285 found 2 hours ago
Thu, Jul 31 - Thu, Aug 7
DEN
Denver Intl.
CUN
Cancun Intl.
$288 Roundtrip, found 15 hours ago
$288
Roundtrip
found 15 hours ago
Select United flight, departing Thu, Jul 31 from Denver Intl. to Cancun Intl., returning Thu, Aug 7, priced at $288 found 15 hours ago
Tue, Jul 15 - Wed, Jul 16
DEN
Denver Intl.
CUN
Cancun Intl.
$290 Roundtrip, found 2 hours ago
$290
Roundtrip
found 2 hours ago
Select United flight, departing Tue, Jul 15 from Denver Intl. to Cancun Intl., returning Wed, Jul 16, priced at $290 found 2 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.