United Flight 1900 Deals & Information (2026/2027)

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United Flight 1900 Route Deals From $171

The cheapest prices found with in the last 7 days for return flights were $297 and $171 for one-way flights to Newark Liberty Intl. Airport for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Dec 9 - Sat, Dec 12
SEA
Seattle - Tacoma Intl.
EWR
Newark Liberty Intl. Airport
$297 Roundtrip, found 3 days ago
$297
Roundtrip
found 3 days ago
Select United flight, departing Wed, Dec 9 from Seattle - Tacoma Intl. to Newark Liberty Intl. Airport, returning Sat, Dec 12, priced at $297 found 3 days ago
Wed, Dec 9 - Sat, Dec 12
SEA
Seattle - Tacoma Intl.
EWR
Newark Liberty Intl. Airport
$330 Roundtrip, found 3 days ago
$330
Roundtrip
found 3 days ago
Select United flight, departing Wed, Dec 9 from Seattle - Tacoma Intl. to Newark Liberty Intl. Airport, returning Sat, Dec 12, priced at $330 found 3 days ago
Wed, Dec 9 - Sat, Dec 12
SEA
Seattle - Tacoma Intl.
EWR
Newark Liberty Intl. Airport
$339 Roundtrip, found 3 days ago
$339
Roundtrip
found 3 days ago
Select United flight, departing Wed, Dec 9 from Seattle - Tacoma Intl. to Newark Liberty Intl. Airport, returning Sat, Dec 12, priced at $339 found 3 days ago
Wed, Dec 9 - Sat, Dec 12
SEA
Seattle - Tacoma Intl.
EWR
Newark Liberty Intl. Airport
$340 Roundtrip, found 3 days ago
$340
Roundtrip
found 3 days ago
Select United flight, departing Wed, Dec 9 from Seattle - Tacoma Intl. to Newark Liberty Intl. Airport, returning Sat, Dec 12, priced at $340 found 3 days ago
Wed, Dec 16 - Thu, Jan 7
SEA
Seattle - Tacoma Intl.
EWR
Newark Liberty Intl. Airport
$351 Roundtrip, found 9 hours ago
$351
Roundtrip
found 9 hours ago
Select United flight, departing Wed, Dec 16 from Seattle - Tacoma Intl. to Newark Liberty Intl. Airport, returning Thu, Jan 7, priced at $351 found 9 hours ago
Wed, Dec 16 - Thu, Jan 7
SEA
Seattle - Tacoma Intl.
EWR
Newark Liberty Intl. Airport
$361 Roundtrip, found 9 hours ago
$361
Roundtrip
found 9 hours ago
Select United flight, departing Wed, Dec 16 from Seattle - Tacoma Intl. to Newark Liberty Intl. Airport, returning Thu, Jan 7, priced at $361 found 9 hours ago

Frequently asked questions

What route does flight number UA1900 take?
UA1900 flies direct from Colorado Springs, CO Airport (COS) to Denver Intl. Airport (DEN). During this trip, you'll be in the air for 53 minutes. Book ahead to lock in your favorite seat.
What kind of plane is on flight number UA1900?
Get set to hop on board an Airbus A319 if you're traveling on flight UA1900. Nearly all flights from City of Colorado Springs Municipal Airport to Denver, CO Airport (DEN-Denver Intl.) are operated using this aircraft model.
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 UA1900 flight with Travelocity, please visit our Customer Service Portal.