United Flight 1821 Deals & Information (2025/2026)

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United Flight 1821 Route Deals From

The cheapest prices found with in the last 7 days for return flights were $77 and for one-way flights to George Bush Intercontinental for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Aug 28 - Mon, Sep 1
MSY
Louis Armstrong New Orleans Intl.
IAH
George Bush Intercontinental
$77 Roundtrip, found 2 days ago
$77
Roundtrip
found 2 days ago
Select United flight, departing Thu, Aug 28 from Louis Armstrong New Orleans Intl. to George Bush Intercontinental, returning Mon, Sep 1, priced at $77 found 2 days ago
Thu, Oct 2 - Sun, Oct 5
MSY
Louis Armstrong New Orleans Intl.
IAH
George Bush Intercontinental
$87 Roundtrip, found 9 hours ago
$87
Roundtrip
found 9 hours ago
Select United flight, departing Thu, Oct 2 from Louis Armstrong New Orleans Intl. to George Bush Intercontinental, returning Sun, Oct 5, priced at $87 found 9 hours ago
Sat, Sep 27 - Tue, Sep 30
MSY
Louis Armstrong New Orleans Intl.
IAH
George Bush Intercontinental
$98 Roundtrip, found 3 days ago
$98
Roundtrip
found 3 days ago
Select United flight, departing Sat, Sep 27 from Louis Armstrong New Orleans Intl. to George Bush Intercontinental, returning Tue, Sep 30, priced at $98 found 3 days ago
Thu, Oct 2 - Sun, Oct 5
MSY
Louis Armstrong New Orleans Intl.
IAH
George Bush Intercontinental
$103 Roundtrip, found 9 hours ago
$103
Roundtrip
found 9 hours ago
Select United flight, departing Thu, Oct 2 from Louis Armstrong New Orleans Intl. to George Bush Intercontinental, returning Sun, Oct 5, priced at $103 found 9 hours ago
Thu, Oct 2 - Sun, Oct 5
MSY
Louis Armstrong New Orleans Intl.
IAH
George Bush Intercontinental
$104 Roundtrip, found 9 hours ago
$104
Roundtrip
found 9 hours ago
Select United flight, departing Thu, Oct 2 from Louis Armstrong New Orleans Intl. to George Bush Intercontinental, returning Sun, Oct 5, priced at $104 found 9 hours ago
Thu, Aug 28 - Mon, Sep 1
MSY
Louis Armstrong New Orleans Intl.
IAH
George Bush Intercontinental
$110 Roundtrip, found 2 days ago
$110
Roundtrip
found 2 days ago
Select United flight, departing Thu, Aug 28 from Louis Armstrong New Orleans Intl. to George Bush Intercontinental, returning Mon, Sep 1, priced at $110 found 2 days ago
Thu, Oct 2 - Sun, Oct 5
MSY
Louis Armstrong New Orleans Intl.
IAH
George Bush Intercontinental
$111 Roundtrip, found 9 hours ago
$111
Roundtrip
found 9 hours ago
Select United flight, departing Thu, Oct 2 from Louis Armstrong New Orleans Intl. to George Bush Intercontinental, returning Sun, Oct 5, priced at $111 found 9 hours ago
Thu, Oct 2 - Sun, Oct 5
MSY
Louis Armstrong New Orleans Intl.
IAH
George Bush Intercontinental
$113 Roundtrip, found 9 hours ago
$113
Roundtrip
found 9 hours ago
Select United flight, departing Thu, Oct 2 from Louis Armstrong New Orleans Intl. to George Bush Intercontinental, returning Sun, Oct 5, priced at $113 found 9 hours ago
Thu, Aug 28 - Mon, Sep 1
MSY
Louis Armstrong New Orleans Intl.
IAH
George Bush Intercontinental
$117 Roundtrip, found 2 days ago
$117
Roundtrip
found 2 days ago
Select United flight, departing Thu, Aug 28 from Louis Armstrong New Orleans Intl. to George Bush Intercontinental, returning Mon, Sep 1, priced at $117 found 2 days ago

Frequently asked questions

What route does flight number UA1821 take?
UA1821 takes roughly 2 hours and 42 minutes to fly directly from ORD to Denver, CO Airport (DEN-Denver Intl.). We all know there's magic in the destination, but the journey is always half the fun!
How often is UA1821 on time?
If you're flying with United Airlines flight number UA1821 from O'Hare Airport to DIA airport, it's comforting knowing that 86% of these journeys touch down on time. On the odd occasion that there's a delay, expect an average wait time of about 12 minutes. This service has a star rating of 4.
What terminal does UA1821 fly out of?
You'll likely be stepping aboard the plane at Terminal 1 if you're booked on flight UA1821 direct from O'Hare Airport to Denver, CO Airport (DEN-Denver Intl.).
What kind of plane is on flight number UA1821?
The Boeing 737 MAX 9 is the plane that's mostly used for flight number UA1821. Typically, this flight departs from Chicago, IL Airport (ORD-O'Hare Intl.) and comes in to land at Denver, CO Airport (DEN-Denver Intl.).
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 UA1821 flight with Travelocity, please visit our Customer Service Portal.