United Flight 1177 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 $262 and $114 for one-way flights to Cancun Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jul 28 - Sat, Aug 2
DEN
Denver Intl.
CUN
Cancun Intl.
$262 Roundtrip, found 7 hours ago
$262
Roundtrip
found 7 hours ago
Select United flight, departing Mon, Jul 28 from Denver Intl. to Cancun Intl., returning Sat, Aug 2, priced at $262 found 7 hours ago
Mon, Aug 18 - Thu, Aug 21
DEN
Denver Intl.
CUN
Cancun Intl.
$277 Roundtrip, found 1 day ago
$277
Roundtrip
found 1 day ago
Select United flight, departing Mon, Aug 18 from Denver Intl. to Cancun Intl., returning Thu, Aug 21, priced at $277 found 1 day ago
Sun, Aug 3 - Tue, Aug 12
DEN
Denver Intl.
CUN
Cancun Intl.
$278 Roundtrip, found 1 day ago
$278
Roundtrip
found 1 day ago
Select United flight, departing Sun, Aug 3 from Denver Intl. to Cancun Intl., returning Tue, Aug 12, priced at $278 found 1 day ago
Tue, Jul 15 - Wed, Jul 16
DEN
Denver Intl.
CUN
Cancun Intl.
$285 Roundtrip, found 3 days ago
$285
Roundtrip
found 3 days ago
Select United flight, departing Tue, Jul 15 from Denver Intl. to Cancun Intl., returning Wed, Jul 16, priced at $285 found 3 days ago
Mon, Jul 28 - Sat, Aug 2
DEN
Denver Intl.
CUN
Cancun Intl.
$295 Roundtrip, found 7 hours ago
$295
Roundtrip
found 7 hours ago
Select United flight, departing Mon, Jul 28 from Denver Intl. to Cancun Intl., returning Sat, Aug 2, priced at $295 found 7 hours ago
Fri, Jul 11 - Wed, Jul 16
DEN
Denver Intl.
CUN
Cancun Intl.
$302 Roundtrip, found 1 day ago
$302
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jul 11 from Denver Intl. to Cancun Intl., returning Wed, Jul 16, priced at $302 found 1 day ago
Mon, Aug 18 - Thu, Aug 21
DEN
Denver Intl.
CUN
Cancun Intl.
$308 Roundtrip, found 1 day ago
$308
Roundtrip
found 1 day ago
Select United flight, departing Mon, Aug 18 from Denver Intl. to Cancun Intl., returning Thu, Aug 21, priced at $308 found 1 day ago
Mon, Oct 6 - Wed, Oct 15
DEN
Denver Intl.
CUN
Cancun Intl.
$310 Roundtrip, found 6 hours ago
$310
Roundtrip
found 6 hours ago
Select United flight, departing Mon, Oct 6 from Denver Intl. to Cancun Intl., returning Wed, Oct 15, priced at $310 found 6 hours ago
Tue, Aug 5 - Sat, Aug 9
DEN
Denver Intl.
CUN
Cancun Intl.
$323 Roundtrip, just found
$323
Roundtrip
just found
Select United flight, departing Tue, Aug 5 from Denver Intl. to Cancun Intl., returning Sat, Aug 9, priced at $323 just found
Mon, Sep 29 - Sat, Oct 4
DEN
Denver Intl.
CUN
Cancun Intl.
$333 Roundtrip, just found
$333
Roundtrip
just found
Select United flight, departing Mon, Sep 29 from Denver Intl. to Cancun Intl., returning Sat, Oct 4, priced at $333 just found
Mon, Sep 29 - Sat, Oct 4
DEN
Denver Intl.
CUN
Cancun Intl.
$338 Roundtrip, just found
$338
Roundtrip
just found
Select United flight, departing Mon, Sep 29 from Denver Intl. to Cancun Intl., returning Sat, Oct 4, priced at $338 just found

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.