United Flight 1999 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 1999 Route Deals From $60

The cheapest prices found with in the last 7 days for return flights were $117 and $60 for one-way flights to Newark Liberty Intl. Airport for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Feb 27 - Sun, Mar 1
IAD
Washington Dulles Intl.
EWR
Newark Liberty Intl. Airport
$117 Roundtrip, found 1 hour ago
$117
Roundtrip
found 1 hour ago
Select United flight, departing Fri, Feb 27 from Washington Dulles Intl. to Newark Liberty Intl. Airport, returning Sun, Mar 1, priced at $117 found 1 hour ago
Fri, Feb 20 - Mon, Feb 23
IAD
Washington Dulles Intl.
EWR
Newark Liberty Intl. Airport
$119 Roundtrip, found 4 days ago
$119
Roundtrip
found 4 days ago
Select United flight, departing Fri, Feb 20 from Washington Dulles Intl. to Newark Liberty Intl. Airport, returning Mon, Feb 23, priced at $119 found 4 days ago
Fri, Mar 13 - Mon, Mar 16
IAD
Washington Dulles Intl.
EWR
Newark Liberty Intl. Airport
$120 Roundtrip, found 4 hours ago
$120
Roundtrip
found 4 hours ago
Select United flight, departing Fri, Mar 13 from Washington Dulles Intl. to Newark Liberty Intl. Airport, returning Mon, Mar 16, priced at $120 found 4 hours ago
Fri, Feb 13 - Mon, Feb 16
IAD
Washington Dulles Intl.
EWR
Newark Liberty Intl. Airport
$126 Roundtrip, found 1 day ago
$126
Roundtrip
found 1 day ago
Select United flight, departing Fri, Feb 13 from Washington Dulles Intl. to Newark Liberty Intl. Airport, returning Mon, Feb 16, priced at $126 found 1 day ago
Sun, Feb 15 - Mon, Feb 16
IAD
Washington Dulles Intl.
EWR
Newark Liberty Intl. Airport
$128 Roundtrip, found 6 days ago
$128
Roundtrip
found 6 days ago
Select United flight, departing Sun, Feb 15 from Washington Dulles Intl. to Newark Liberty Intl. Airport, returning Mon, Feb 16, priced at $128 found 6 days ago
Mon, Jul 13 - Wed, Jul 22
IAD
Washington Dulles Intl.
EWR
Newark Liberty Intl. Airport
$129 Roundtrip, found 4 days ago
$129
Roundtrip
found 4 days ago
Select United flight, departing Mon, Jul 13 from Washington Dulles Intl. to Newark Liberty Intl. Airport, returning Wed, Jul 22, priced at $129 found 4 days ago
Mon, Jun 8 - Wed, Jun 10
IAD
Washington Dulles Intl.
EWR
Newark Liberty Intl. Airport
$133 Roundtrip, found 1 day ago
$133
Roundtrip
found 1 day ago
Select United flight, departing Mon, Jun 8 from Washington Dulles Intl. to Newark Liberty Intl. Airport, returning Wed, Jun 10, priced at $133 found 1 day ago
Tue, Apr 7 - Thu, Apr 9
IAD
Washington Dulles Intl.
EWR
Newark Liberty Intl. Airport
$149 Roundtrip, found 4 days ago
$149
Roundtrip
found 4 days ago
Select United flight, departing Tue, Apr 7 from Washington Dulles Intl. to Newark Liberty Intl. Airport, returning Thu, Apr 9, priced at $149 found 4 days ago
Thu, Feb 5 - Fri, Feb 6
IAD
Washington Dulles Intl.
EWR
Newark Liberty Intl. Airport
$151 Roundtrip, found 2 days ago
$151
Roundtrip
found 2 days ago
Select United flight, departing Thu, Feb 5 from Washington Dulles Intl. to Newark Liberty Intl. Airport, returning Fri, Feb 6, priced at $151 found 2 days ago
Fri, Apr 24 - Sun, Apr 26
IAD
Washington Dulles Intl.
EWR
Newark Liberty Intl. Airport
$153 Roundtrip, found 3 days ago
$153
Roundtrip
found 3 days ago
Select United flight, departing Fri, Apr 24 from Washington Dulles Intl. to Newark Liberty Intl. Airport, returning Sun, Apr 26, priced at $153 found 3 days ago

Frequently asked questions

What route does flight number UA1999 take?
UA1999 jets between San Francisco Airport and Denver, CO Airport (DEN-Denver Intl.) and is a direct flight. This trip generally takes 2 hours and 34 minutes.
What terminal does UA1999 fly out of?
UA1999 runs between San Francisco, CA Airport (SFO-San Francisco Intl.) and Denver Intl. Airport (DEN), and those taking this flight commonly depart from Terminal 3.
What kind of plane is on flight number UA1999?
The Airbus A320 is the aircraft model most often used for flight UA1999. This flight typically departs from San Francisco, CA Airport (SFO-San Francisco Intl.) and comes in to land at DIA airport.
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 UA1999 flight with Travelocity, please visit our Customer Service Portal.