United Flight 1823 Deals & Information (2025/2026)

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United Flight 1823 Route Deals From $89

The cheapest prices found with in the last 7 days for return flights were $135 and $89 for one-way flights to George Bush Intercontinental for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Sep 9 - Mon, Oct 6
ORD
O'Hare Intl.
IAH
George Bush Intercontinental
$135 Roundtrip, found 4 hours ago
$135
Roundtrip
found 4 hours ago
Select United flight, departing Tue, Sep 9 from O'Hare Intl. to George Bush Intercontinental, returning Mon, Oct 6, priced at $135 found 4 hours ago
Wed, Aug 27 - Tue, Sep 2
ORD
O'Hare Intl.
IAH
George Bush Intercontinental
$146 Roundtrip, found 7 hours ago
$146
Roundtrip
found 7 hours ago
Select United flight, departing Wed, Aug 27 from O'Hare Intl. to George Bush Intercontinental, returning Tue, Sep 2, priced at $146 found 7 hours ago
Wed, Aug 27 - Tue, Sep 2
ORD
O'Hare Intl.
IAH
George Bush Intercontinental
$149 Roundtrip, found 7 hours ago
$149
Roundtrip
found 7 hours ago
Select United flight, departing Wed, Aug 27 from O'Hare Intl. to George Bush Intercontinental, returning Tue, Sep 2, priced at $149 found 7 hours ago
Sat, Oct 4 - Sat, Oct 11
ORD
O'Hare Intl.
IAH
George Bush Intercontinental
$157 Roundtrip, found 5 hours ago
$157
Roundtrip
found 5 hours ago
Select United flight, departing Sat, Oct 4 from O'Hare Intl. to George Bush Intercontinental, returning Sat, Oct 11, priced at $157 found 5 hours ago
Tue, Aug 12 - Tue, Aug 19
ORD
O'Hare Intl.
IAH
George Bush Intercontinental
$170 Roundtrip, found 1 hour ago
$170
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Aug 12 from O'Hare Intl. to George Bush Intercontinental, returning Tue, Aug 19, priced at $170 found 1 hour ago

Frequently asked questions

What route does flight number UA1823 take?
Flight number UA1823 flies directly from DEN to Sea-Tac Airport. During this journey, you can expect to be in the air for around 2 hours and 54 minutes. It's wise to book ahead to secure your preferred seat.
How often is UA1823 on time?
Approximately 85% of UA1823 flights leave on time --- so if you're taking to the skies between DIA airport and Seattle, WA Airport (SEA-Seattle - Tacoma Intl.), you can breathe easy knowing that you will reach your destination as quickly as possible. On the odd occasion that your United Airlines journey runs behind time, you can expect a wait time of approximately 21 minutes. Thanks to the carrier's high standard of service, this route has a 3.2-star rating.
What kind of plane is on flight number UA1823?
The Airbus A319 is the aircraft most commonly used for flight UA1823. More often than not, this flight heads off from Denver, CO Airport (DEN-Denver Intl.) and comes in to land at SEA.
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 UA1823 flight with Travelocity, please visit our Customer Service Portal.