United Flight 1900 Deals & Information (2026/2027)

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United Flight 1900 Route Deals From $138

The cheapest prices found with in the last 7 days for return flights were $277 and $138 for one-way flights to Newark Liberty Intl. Airport for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Sep 18 - Tue, Sep 22
SEA
Seattle - Tacoma Intl.
EWR
Newark Liberty Intl. Airport
$277 Roundtrip, found 2 days ago
$277
Roundtrip
found 2 days ago
Select United flight, departing Fri, Sep 18 from Seattle - Tacoma Intl. to Newark Liberty Intl. Airport, returning Tue, Sep 22, priced at $277 found 2 days ago
Sat, Aug 29 - Sat, Sep 5
SEA
Seattle - Tacoma Intl.
EWR
Newark Liberty Intl. Airport
$287 Roundtrip, found 3 hours ago
$287
Roundtrip
found 3 hours ago
Select United flight, departing Sat, Aug 29 from Seattle - Tacoma Intl. to Newark Liberty Intl. Airport, returning Sat, Sep 5, priced at $287 found 3 hours ago
Sat, Aug 29 - Sat, Sep 5
SEA
Seattle - Tacoma Intl.
EWR
Newark Liberty Intl. Airport
$297 Roundtrip, found 3 hours ago
$297
Roundtrip
found 3 hours ago
Select United flight, departing Sat, Aug 29 from Seattle - Tacoma Intl. to Newark Liberty Intl. Airport, returning Sat, Sep 5, priced at $297 found 3 hours ago
Sat, Oct 31 - Sat, Nov 7
SEA
Seattle - Tacoma Intl.
EWR
Newark Liberty Intl. Airport
$304 Roundtrip, found 3 days ago
$304
Roundtrip
found 3 days ago
Select United flight, departing Sat, Oct 31 from Seattle - Tacoma Intl. to Newark Liberty Intl. Airport, returning Sat, Nov 7, priced at $304 found 3 days ago
Tue, Sep 15 - Tue, Sep 22
SEA
Seattle - Tacoma Intl.
EWR
Newark Liberty Intl. Airport
$312 Roundtrip, found 15 hours ago
$312
Roundtrip
found 15 hours ago
Select United flight, departing Tue, Sep 15 from Seattle - Tacoma Intl. to Newark Liberty Intl. Airport, returning Tue, Sep 22, priced at $312 found 15 hours ago
Thu, May 28 - Fri, May 29
SEA
Seattle - Tacoma Intl.
EWR
Newark Liberty Intl. Airport
$312 Roundtrip, found 1 day ago
$312
Roundtrip
found 1 day ago
Select United flight, departing Thu, May 28 from Seattle - Tacoma Intl. to Newark Liberty Intl. Airport, returning Fri, May 29, priced at $312 found 1 day ago
Sat, Aug 29 - Sat, Sep 5
SEA
Seattle - Tacoma Intl.
EWR
Newark Liberty Intl. Airport
$315 Roundtrip, found 3 hours ago
$315
Roundtrip
found 3 hours ago
Select United flight, departing Sat, Aug 29 from Seattle - Tacoma Intl. to Newark Liberty Intl. Airport, returning Sat, Sep 5, priced at $315 found 3 hours ago
Mon, Nov 2 - Sat, Nov 7
SEA
Seattle - Tacoma Intl.
EWR
Newark Liberty Intl. Airport
$316 Roundtrip, found 3 days ago
$316
Roundtrip
found 3 days ago
Select United flight, departing Mon, Nov 2 from Seattle - Tacoma Intl. to Newark Liberty Intl. Airport, returning Sat, Nov 7, priced at $316 found 3 days 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.