United Flight 1999 Deals & Information (2026/2027)

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United Flight 1999 Route Deals From $60

The cheapest prices found with in the last 7 days for return flights were $119 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 20 - Mon, Feb 23
IAD
Washington Dulles Intl.
EWR
Newark Liberty Intl. Airport
$119 Roundtrip, found 6 days ago
$119
Roundtrip
found 6 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 6 days ago
Tue, Feb 17 - Wed, Feb 18
IAD
Washington Dulles Intl.
EWR
Newark Liberty Intl. Airport
$128 Roundtrip, found 8 hours ago
$128
Roundtrip
found 8 hours ago
Select United flight, departing Tue, Feb 17 from Washington Dulles Intl. to Newark Liberty Intl. Airport, returning Wed, Feb 18, priced at $128 found 8 hours ago
Mon, Jun 1 - Tue, Jun 2
IAD
Washington Dulles Intl.
EWR
Newark Liberty Intl. Airport
$129 Roundtrip, found 6 hours ago
$129
Roundtrip
found 6 hours ago
Select United flight, departing Mon, Jun 1 from Washington Dulles Intl. to Newark Liberty Intl. Airport, returning Tue, Jun 2, priced at $129 found 6 hours ago
Tue, Mar 17 - Fri, Mar 20
IAD
Washington Dulles Intl.
EWR
Newark Liberty Intl. Airport
$131 Roundtrip, found 2 days ago
$131
Roundtrip
found 2 days ago
Select United flight, departing Tue, Mar 17 from Washington Dulles Intl. to Newark Liberty Intl. Airport, returning Fri, Mar 20, priced at $131 found 2 days ago
Fri, Mar 13 - Mon, Mar 16
IAD
Washington Dulles Intl.
EWR
Newark Liberty Intl. Airport
$132 Roundtrip, found 1 day ago
$132
Roundtrip
found 1 day ago
Select United flight, departing Fri, Mar 13 from Washington Dulles Intl. to Newark Liberty Intl. Airport, returning Mon, Mar 16, priced at $132 found 1 day ago
Fri, Mar 13 - Mon, Mar 16
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 Fri, Mar 13 from Washington Dulles Intl. to Newark Liberty Intl. Airport, returning Mon, Mar 16, priced at $133 found 1 day ago
Thu, Feb 12 - Thu, Feb 19
IAD
Washington Dulles Intl.
EWR
Newark Liberty Intl. Airport
$140 Roundtrip, found 1 day ago
$140
Roundtrip
found 1 day ago
Select United flight, departing Thu, Feb 12 from Washington Dulles Intl. to Newark Liberty Intl. Airport, returning Thu, Feb 19, priced at $140 found 1 day ago
Thu, Feb 5 - Fri, Feb 6
IAD
Washington Dulles Intl.
EWR
Newark Liberty Intl. Airport
$151 Roundtrip, found 5 days ago
$151
Roundtrip
found 5 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 5 days ago
Fri, Apr 24 - Sun, Apr 26
IAD
Washington Dulles Intl.
EWR
Newark Liberty Intl. Airport
$153 Roundtrip, found 6 days ago
$153
Roundtrip
found 6 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 6 days ago
Thu, Aug 27 - Sun, Aug 30
IAD
Washington Dulles Intl.
EWR
Newark Liberty Intl. Airport
$158 Roundtrip, found 6 hours ago
$158
Roundtrip
found 6 hours ago
Select United flight, departing Thu, Aug 27 from Washington Dulles Intl. to Newark Liberty Intl. Airport, returning Sun, Aug 30, priced at $158 found 6 hours 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.