United Flight 1691 Deals & Information (2026/2027)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

United Flight 1691 Route Deals From $120

The cheapest prices found with in the last 7 days for return flights were $226 and $120 for one-way flights to Washington Dulles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Aug 16 - Tue, Aug 18
EWR
Newark Liberty Intl. Airport
IAD
Washington Dulles Intl.
$226 Roundtrip, found 5 days ago
$226
Roundtrip
found 5 days ago
Select United flight, departing Sun, Aug 16 from Newark Liberty Intl. Airport to Washington Dulles Intl., returning Tue, Aug 18, priced at $226 found 5 days ago
Tue, Aug 25 - Wed, Aug 26
EWR
Newark Liberty Intl. Airport
IAD
Washington Dulles Intl.
$232 Roundtrip, found 1 day ago
$232
Roundtrip
found 1 day ago
Select United flight, departing Tue, Aug 25 from Newark Liberty Intl. Airport to Washington Dulles Intl., returning Wed, Aug 26, priced at $232 found 1 day ago
Thu, Aug 20 - Sat, Aug 22
EWR
Newark Liberty Intl. Airport
IAD
Washington Dulles Intl.
$237 Roundtrip, found 10 hours ago
$237
Roundtrip
found 10 hours ago
Select United flight, departing Thu, Aug 20 from Newark Liberty Intl. Airport to Washington Dulles Intl., returning Sat, Aug 22, priced at $237 found 10 hours ago
Sun, Aug 16 - Tue, Aug 18
EWR
Newark Liberty Intl. Airport
IAD
Washington Dulles Intl.
$242 Roundtrip, found 5 days ago
$242
Roundtrip
found 5 days ago
Select United flight, departing Sun, Aug 16 from Newark Liberty Intl. Airport to Washington Dulles Intl., returning Tue, Aug 18, priced at $242 found 5 days ago
Mon, Aug 17 - Wed, Aug 19
EWR
Newark Liberty Intl. Airport
IAD
Washington Dulles Intl.
$247 Roundtrip, found 1 day ago
$247
Roundtrip
found 1 day ago
Select United flight, departing Mon, Aug 17 from Newark Liberty Intl. Airport to Washington Dulles Intl., returning Wed, Aug 19, priced at $247 found 1 day ago
Tue, Aug 25 - Wed, Aug 26
EWR
Newark Liberty Intl. Airport
IAD
Washington Dulles Intl.
$250 Roundtrip, found 1 day ago
$250
Roundtrip
found 1 day ago
Select United flight, departing Tue, Aug 25 from Newark Liberty Intl. Airport to Washington Dulles Intl., returning Wed, Aug 26, priced at $250 found 1 day ago
Thu, Aug 20 - Sat, Aug 22
EWR
Newark Liberty Intl. Airport
IAD
Washington Dulles Intl.
$251 Roundtrip, found 10 hours ago
$251
Roundtrip
found 10 hours ago
Select United flight, departing Thu, Aug 20 from Newark Liberty Intl. Airport to Washington Dulles Intl., returning Sat, Aug 22, priced at $251 found 10 hours ago
Fri, Aug 21 - Mon, Aug 24
EWR
Newark Liberty Intl. Airport
IAD
Washington Dulles Intl.
$252 Roundtrip, found 17 hours ago
$252
Roundtrip
found 17 hours ago
Select United flight, departing Fri, Aug 21 from Newark Liberty Intl. Airport to Washington Dulles Intl., returning Mon, Aug 24, priced at $252 found 17 hours ago
Thu, Aug 20 - Sun, Aug 23
EWR
Newark Liberty Intl. Airport
IAD
Washington Dulles Intl.
$257 Roundtrip, found 17 hours ago
$257
Roundtrip
found 17 hours ago
Select United flight, departing Thu, Aug 20 from Newark Liberty Intl. Airport to Washington Dulles Intl., returning Sun, Aug 23, priced at $257 found 17 hours ago
Fri, Aug 21 - Mon, Aug 24
EWR
Newark Liberty Intl. Airport
IAD
Washington Dulles Intl.
$263 Roundtrip, found 1 day ago
$263
Roundtrip
found 1 day ago
Select United flight, departing Fri, Aug 21 from Newark Liberty Intl. Airport to Washington Dulles Intl., returning Mon, Aug 24, priced at $263 found 1 day ago
Sun, Aug 16 - Tue, Aug 18
EWR
Newark Liberty Intl. Airport
IAD
Washington Dulles Intl.
$270 Roundtrip, found 5 days ago
$270
Roundtrip
found 5 days ago
Select United flight, departing Sun, Aug 16 from Newark Liberty Intl. Airport to Washington Dulles Intl., returning Tue, Aug 18, priced at $270 found 5 days ago
Fri, Aug 21 - Mon, Aug 24
EWR
Newark Liberty Intl. Airport
IAD
Washington Dulles Intl.
$272 Roundtrip, found 1 day ago
$272
Roundtrip
found 1 day ago
Select United flight, departing Fri, Aug 21 from Newark Liberty Intl. Airport to Washington Dulles Intl., returning Mon, Aug 24, priced at $272 found 1 day ago
Thu, Aug 20 - Sat, Aug 22
EWR
Newark Liberty Intl. Airport
IAD
Washington Dulles Intl.
$280 Roundtrip, found 10 hours ago
$280
Roundtrip
found 10 hours ago
Select United flight, departing Thu, Aug 20 from Newark Liberty Intl. Airport to Washington Dulles Intl., returning Sat, Aug 22, priced at $280 found 10 hours ago
Sat, Aug 15 - Sun, Aug 16
EWR
Newark Liberty Intl. Airport
IAD
Washington Dulles Intl.
$284 Roundtrip, found 17 hours ago
$284
Roundtrip
found 17 hours ago
Select United flight, departing Sat, Aug 15 from Newark Liberty Intl. Airport to Washington Dulles Intl., returning Sun, Aug 16, priced at $284 found 17 hours ago
Sun, Aug 16 - Tue, Aug 18
EWR
Newark Liberty Intl. Airport
IAD
Washington Dulles Intl.
$287 Roundtrip, found 5 days ago
$287
Roundtrip
found 5 days ago
Select United flight, departing Sun, Aug 16 from Newark Liberty Intl. Airport to Washington Dulles Intl., returning Tue, Aug 18, priced at $287 found 5 days ago
Sat, Aug 15 - Sun, Aug 16
EWR
Newark Liberty Intl. Airport
IAD
Washington Dulles Intl.
$288 Roundtrip, found 17 hours ago
$288
Roundtrip
found 17 hours ago
Select United flight, departing Sat, Aug 15 from Newark Liberty Intl. Airport to Washington Dulles Intl., returning Sun, Aug 16, priced at $288 found 17 hours ago
Fri, Aug 21 - Mon, Aug 24
EWR
Newark Liberty Intl. Airport
IAD
Washington Dulles Intl.
$293 Roundtrip, found 1 day ago
$293
Roundtrip
found 1 day ago
Select United flight, departing Fri, Aug 21 from Newark Liberty Intl. Airport to Washington Dulles Intl., returning Mon, Aug 24, priced at $293 found 1 day ago
Fri, Aug 21 - Mon, Aug 24
EWR
Newark Liberty Intl. Airport
IAD
Washington Dulles Intl.
$295 Roundtrip, found 17 hours ago
$295
Roundtrip
found 17 hours ago
Select United flight, departing Fri, Aug 21 from Newark Liberty Intl. Airport to Washington Dulles Intl., returning Mon, Aug 24, priced at $295 found 17 hours ago

Frequently asked questions

What route does flight number UA1691 take?
UA1691 flies direct from Cancun Intl. Airport (CUN) to Denver Intl. Airport (DEN). During this journey, expect to be in the air for roughly 4 hours and 16 minutes. It pays to book ahead to lock in your favorite seat.
How often is UA1691 on time?
If you're traveling on United Airlines flight number UA1691, you may want to have a book or tablet handy — 70% of these flights touch down on time. If your trip experiences a delay, your wait time should be around 17 minutes. This service has a 2.2-star rating.
What terminal does UA1691 fly out of?
Travelers with seats booked on flight number UA1691 from Cancun, Quintana Roo Airport (CUN-Cancun Intl.) to DIA airport typically jet off from Terminal 3.
What kind of plane is on flight number UA1691?
The route for flight number UA1691 is predominantly Cancun Intl. Airport (CUN) to DIA airport, and the Boeing 737-900 is the type of aircraft you're likely to be flying with.
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 UA1691 flight with Travelocity, please visit our Customer Service Portal.