United Flight 1177 Deals & Information (2025/2026)

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United Flight 1177 Route Deals From $134

The cheapest prices found with in the last 7 days for return flights were $250 and $134 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 4 days ago
$250
Roundtrip
found 4 days ago
Select United flight, departing Tue, Aug 12 from Denver Intl. to Cancun Intl., returning Wed, Aug 13, priced at $250 found 4 days ago
Tue, Aug 12 - Wed, Aug 13
DEN
Denver Intl.
CUN
Cancun Intl.
$251 Roundtrip, found 4 days ago
$251
Roundtrip
found 4 days ago
Select United flight, departing Tue, Aug 12 from Denver Intl. to Cancun Intl., returning Wed, Aug 13, priced at $251 found 4 days ago
Fri, Aug 8 - Fri, Aug 15
DEN
Denver Intl.
CUN
Cancun Intl.
$260 Roundtrip, found 8 hours ago
$260
Roundtrip
found 8 hours ago
Select United flight, departing Fri, Aug 8 from Denver Intl. to Cancun Intl., returning Fri, Aug 15, priced at $260 found 8 hours ago
Fri, Aug 8 - Fri, Aug 15
DEN
Denver Intl.
CUN
Cancun Intl.
$271 Roundtrip, found 8 hours ago
$271
Roundtrip
found 8 hours ago
Select United flight, departing Fri, Aug 8 from Denver Intl. to Cancun Intl., returning Fri, Aug 15, priced at $271 found 8 hours ago
Sat, Aug 9 - Wed, Aug 13
DEN
Denver Intl.
CUN
Cancun Intl.
$278 Roundtrip, found 1 day ago
$278
Roundtrip
found 1 day ago
Select United flight, departing Sat, Aug 9 from Denver Intl. to Cancun Intl., returning Wed, Aug 13, priced at $278 found 1 day ago
Mon, Jul 28 - Tue, Jul 29
DEN
Denver Intl.
CUN
Cancun Intl.
$290 Roundtrip, found 1 hour ago
$290
Roundtrip
found 1 hour ago
Select United flight, departing Mon, Jul 28 from Denver Intl. to Cancun Intl., returning Tue, Jul 29, priced at $290 found 1 hour ago
Mon, Jul 28 - Thu, Jul 31
DEN
Denver Intl.
CUN
Cancun Intl.
$292 Roundtrip, found 7 hours ago
$292
Roundtrip
found 7 hours ago
Select United flight, departing Mon, Jul 28 from Denver Intl. to Cancun Intl., returning Thu, Jul 31, priced at $292 found 7 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.