United Flight 1177 Deals & Information (2025/2026)

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United Flight 1177 Route Deals From $113

The cheapest prices found with in the last 7 days for return flights were $267 and $113 for one-way flights to Cancun Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Jul 25 - Tue, Jul 29
DEN
Denver Intl.
CUN
Cancun Intl.
$267 Roundtrip, found 21 hours ago
$267
Roundtrip
found 21 hours ago
Select United flight, departing Fri, Jul 25 from Denver Intl. to Cancun Intl., returning Tue, Jul 29, priced at $267 found 21 hours ago
Sun, Jul 27 - Wed, Aug 6
DEN
Denver Intl.
CUN
Cancun Intl.
$272 Roundtrip, found 4 days ago
$272
Roundtrip
found 4 days ago
Select United flight, departing Sun, Jul 27 from Denver Intl. to Cancun Intl., returning Wed, Aug 6, priced at $272 found 4 days ago
Wed, Jul 2 - Thu, Jul 10
DEN
Denver Intl.
CUN
Cancun Intl.
$277 Roundtrip, found 5 days ago
$277
Roundtrip
found 5 days ago
Select United flight, departing Wed, Jul 2 from Denver Intl. to Cancun Intl., returning Thu, Jul 10, priced at $277 found 5 days 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.