United Flight UA2100 Deals & Information (2025/2026)

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United Flight 2100 Route Deals From $59

The cheapest prices found with in the last 7 days for return flights were $117 and $59 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Sep 23 - Thu, Sep 25
EWR
Newark Liberty Intl. Airport
ORD
O'Hare Intl.
$117 Roundtrip, just found
$117
Roundtrip
just found
Select United flight, departing Tue, Sep 23 from Newark Liberty Intl. Airport to O'Hare Intl., returning Thu, Sep 25, priced at $117 just found
Thu, Sep 4 - Tue, Sep 9
EWR
Newark Liberty Intl. Airport
ORD
O'Hare Intl.
$119 Roundtrip, found 5 hours ago
$119
Roundtrip
found 5 hours ago
Select United flight, departing Thu, Sep 4 from Newark Liberty Intl. Airport to O'Hare Intl., returning Tue, Sep 9, priced at $119 found 5 hours ago
Thu, Sep 4 - Tue, Sep 9
EWR
Newark Liberty Intl. Airport
ORD
O'Hare Intl.
$134 Roundtrip, found 5 hours ago
$134
Roundtrip
found 5 hours ago
Select United flight, departing Thu, Sep 4 from Newark Liberty Intl. Airport to O'Hare Intl., returning Tue, Sep 9, priced at $134 found 5 hours ago
Mon, Aug 25 - Wed, Sep 3
EWR
Newark Liberty Intl. Airport
ORD
O'Hare Intl.
$137 Roundtrip, found 5 hours ago
$137
Roundtrip
found 5 hours ago
Select United flight, departing Mon, Aug 25 from Newark Liberty Intl. Airport to O'Hare Intl., returning Wed, Sep 3, priced at $137 found 5 hours ago
Thu, Sep 25 - Sat, Sep 27
EWR
Newark Liberty Intl. Airport
ORD
O'Hare Intl.
$137 Roundtrip, just found
$137
Roundtrip
just found
Select United flight, departing Thu, Sep 25 from Newark Liberty Intl. Airport to O'Hare Intl., returning Sat, Sep 27, priced at $137 just found
Tue, Aug 26 - Thu, Sep 4
EWR
Newark Liberty Intl. Airport
ORD
O'Hare Intl.
$140 Roundtrip, found 5 hours ago
$140
Roundtrip
found 5 hours ago
Select United flight, departing Tue, Aug 26 from Newark Liberty Intl. Airport to O'Hare Intl., returning Thu, Sep 4, priced at $140 found 5 hours ago
Wed, Sep 24 - Sat, Sep 27
EWR
Newark Liberty Intl. Airport
ORD
O'Hare Intl.
$144 Roundtrip, found 11 hours ago
$144
Roundtrip
found 11 hours ago
Select United flight, departing Wed, Sep 24 from Newark Liberty Intl. Airport to O'Hare Intl., returning Sat, Sep 27, priced at $144 found 11 hours ago
Wed, Sep 24 - Sat, Sep 27
EWR
Newark Liberty Intl. Airport
ORD
O'Hare Intl.
$144 Roundtrip, found 11 hours ago
$144
Roundtrip
found 11 hours ago
Select United flight, departing Wed, Sep 24 from Newark Liberty Intl. Airport to O'Hare Intl., returning Sat, Sep 27, priced at $144 found 11 hours ago
Wed, Sep 24 - Sat, Sep 27
EWR
Newark Liberty Intl. Airport
ORD
O'Hare Intl.
$147 Roundtrip, found 11 hours ago
$147
Roundtrip
found 11 hours ago
Select United flight, departing Wed, Sep 24 from Newark Liberty Intl. Airport to O'Hare Intl., returning Sat, Sep 27, priced at $147 found 11 hours ago
Wed, Sep 24 - Sat, Sep 27
EWR
Newark Liberty Intl. Airport
ORD
O'Hare Intl.
$147 Roundtrip, found 11 hours ago
$147
Roundtrip
found 11 hours ago
Select United flight, departing Wed, Sep 24 from Newark Liberty Intl. Airport to O'Hare Intl., returning Sat, Sep 27, priced at $147 found 11 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.