United Flight 2100 Deals & Information (2025/2026)

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United Flight 2100 Route Deals From $69

The cheapest prices found with in the last 7 days for return flights were $133 and $69 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Dec 13 - Sat, Jan 10
EWR
Newark Liberty Intl. Airport
ORD
O'Hare Intl.
$133 Roundtrip, found 1 day ago
$133
Roundtrip
found 1 day ago
Select United flight, departing Sat, Dec 13 from Newark Liberty Intl. Airport to O'Hare Intl., returning Sat, Jan 10, priced at $133 found 1 day ago
Sat, Nov 8 - Mon, Nov 10
EWR
Newark Liberty Intl. Airport
ORD
O'Hare Intl.
$140 Roundtrip, just found
$140
Roundtrip
just found
Select United flight, departing Sat, Nov 8 from Newark Liberty Intl. Airport to O'Hare Intl., returning Mon, Nov 10, priced at $140 just found
Sat, Oct 25 - Wed, Oct 29
EWR
Newark Liberty Intl. Airport
ORD
O'Hare Intl.
$155 Roundtrip, found 4 hours ago
$155
Roundtrip
found 4 hours ago
Select United flight, departing Sat, Oct 25 from Newark Liberty Intl. Airport to O'Hare Intl., returning Wed, Oct 29, priced at $155 found 4 hours ago
Sun, Feb 15 - Tue, Feb 17
EWR
Newark Liberty Intl. Airport
ORD
O'Hare Intl.
$157 Roundtrip, found 6 hours ago
$157
Roundtrip
found 6 hours ago
Select United flight, departing Sun, Feb 15 from Newark Liberty Intl. Airport to O'Hare Intl., returning Tue, Feb 17, priced at $157 found 6 hours ago

Frequently asked questions

What route does flight number UA2100 take?
Flight number UA2100 operates directly from Houston, TX Airport (IAH-George Bush Intercontinental) to Fort Lauderdale - Hollywood Intl. Airport. During this journey, you can expect to be in the air for about 2 hours and 30 minutes. It's wise to book ahead to secure your preferred seat.
What terminal does UA2100 fly out of?
Flights between Houston, TX Airport (IAH-George Bush Intercontinental) and Fort Lauderdale - Hollywood Intl. Airport are served by flight number UA2100, and travelers with a seat booked on this flight usually board from Terminal C.
What kind of plane is on flight number UA2100?
The Boeing 737-900 is the kind of plane most often used for flight UA2100. Typically, this flight heads off from Houston, TX Airport (IAH-George Bush Intercontinental) and touches down at Fort Lauderdale - Hollywood Intl. Airport.
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 UA2100 flight with Travelocity, please visit our Customer Service Portal.