United Flight 203 Deals & Information (2026/2027)

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United Flight 203 Route Deals From $81

The cheapest prices found with in the last 7 days for return flights were $161 and $81 for one-way flights to George Bush Intercontinental for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Oct 19 - Tue, Oct 20
MSY
Louis Armstrong New Orleans Intl.
IAH
George Bush Intercontinental
$161 Roundtrip, found 1 day ago
$161
Roundtrip
found 1 day ago
Select United flight, departing Mon, Oct 19 from Louis Armstrong New Orleans Intl. to George Bush Intercontinental, returning Tue, Oct 20, priced at $161 found 1 day ago
Thu, Jan 21 - Tue, Jan 26
MSY
Louis Armstrong New Orleans Intl.
IAH
George Bush Intercontinental
$198 Roundtrip, found 2 days ago
$198
Roundtrip
found 2 days ago
Select United flight, departing Thu, Jan 21 from Louis Armstrong New Orleans Intl. to George Bush Intercontinental, returning Tue, Jan 26, priced at $198 found 2 days ago
Wed, Oct 7 - Sat, Oct 10
MSY
Louis Armstrong New Orleans Intl.
IAH
George Bush Intercontinental
$200 Roundtrip, found 5 days ago
$200
Roundtrip
found 5 days ago
Select United flight, departing Wed, Oct 7 from Louis Armstrong New Orleans Intl. to George Bush Intercontinental, returning Sat, Oct 10, priced at $200 found 5 days ago
Mon, Oct 19 - Tue, Oct 20
MSY
Louis Armstrong New Orleans Intl.
IAH
George Bush Intercontinental
$206 Roundtrip, found 1 day ago
$206
Roundtrip
found 1 day ago
Select United flight, departing Mon, Oct 19 from Louis Armstrong New Orleans Intl. to George Bush Intercontinental, returning Tue, Oct 20, priced at $206 found 1 day ago

Frequently asked questions

What route does flight number UA203 take?
UA203 flies directly from Chicago, IL Airport (ORD-O'Hare Intl.) to LAS. During this trip, expect to be in the air for approximately 3 hours and 41 minutes. Book ahead to lock in your favorite seat.
How often is UA203 on time?
United Airlines flight number UA203 between O'Hare Airport and McCarran Intl. Airport (LAS) lands on time 87% of the time — so you can relax with confidence knowing that you'll get to your destination ASAP. If this service happens to be delayed, you can expect a wait time of about 10 minutes. This route has a 3.55-star rating.
What terminal does UA203 fly out of?
Flight number UA203 runs between Chicago, IL Airport (ORD-O'Hare Intl.) and McCarran Airport, and travelers taking this flight typically take off from Terminal 1.
What kind of plane is on flight number UA203?
The route for flight number UA203 is most commonly ORD to McCarran Intl. Airport (LAS), and the Boeing 737-900 is the aircraft model you'll probably be flying on.
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 UA203 flight with Travelocity, please visit our Customer Service Portal.