United Flight 2100 Deals & Information (2025/2026)

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United Flight 2100 Route Deals From $75

The cheapest prices found with in the last 7 days for return flights were $140 and $75 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Oct 21 - Sun, Oct 26
EWR
Newark Liberty Intl. Airport
ORD
O'Hare Intl.
$140 Roundtrip, found 2 hours ago
$140
Roundtrip
found 2 hours ago
Select United flight, departing Tue, Oct 21 from Newark Liberty Intl. Airport to O'Hare Intl., returning Sun, Oct 26, priced at $140 found 2 hours ago
Fri, Sep 12 - Sat, Sep 13
EWR
Newark Liberty Intl. Airport
ORD
O'Hare Intl.
$147 Roundtrip, found 1 day ago
$147
Roundtrip
found 1 day ago
Select United flight, departing Fri, Sep 12 from Newark Liberty Intl. Airport to O'Hare Intl., returning Sat, Sep 13, priced at $147 found 1 day ago
Fri, Sep 12 - Sat, Sep 13
EWR
Newark Liberty Intl. Airport
ORD
O'Hare Intl.
$152 Roundtrip, found 1 day ago
$152
Roundtrip
found 1 day ago
Select United flight, departing Fri, Sep 12 from Newark Liberty Intl. Airport to O'Hare Intl., returning Sat, Sep 13, priced at $152 found 1 day ago
Tue, Oct 21 - Sun, Oct 26
EWR
Newark Liberty Intl. Airport
ORD
O'Hare Intl.
$157 Roundtrip, found 2 hours ago
$157
Roundtrip
found 2 hours ago
Select United flight, departing Tue, Oct 21 from Newark Liberty Intl. Airport to O'Hare Intl., returning Sun, Oct 26, priced at $157 found 2 hours ago
Thu, Aug 28 - Sat, Sep 6
EWR
Newark Liberty Intl. Airport
ORD
O'Hare Intl.
$160 Roundtrip, found 6 days ago
$160
Roundtrip
found 6 days ago
Select United flight, departing Thu, Aug 28 from Newark Liberty Intl. Airport to O'Hare Intl., returning Sat, Sep 6, priced at $160 found 6 days ago
Fri, Sep 5 - Sun, Sep 7
EWR
Newark Liberty Intl. Airport
ORD
O'Hare Intl.
$170 Roundtrip, just found
$170
Roundtrip
just found
Select United flight, departing Fri, Sep 5 from Newark Liberty Intl. Airport to O'Hare Intl., returning Sun, Sep 7, priced at $170 just found
Mon, Aug 18 - Tue, Aug 19
EWR
Newark Liberty Intl. Airport
ORD
O'Hare Intl.
$172 Roundtrip, found 1 day ago
$172
Roundtrip
found 1 day ago
Select United flight, departing Mon, Aug 18 from Newark Liberty Intl. Airport to O'Hare Intl., returning Tue, Aug 19, priced at $172 found 1 day ago
Mon, Sep 8 - Tue, Sep 9
EWR
Newark Liberty Intl. Airport
ORD
O'Hare Intl.
$180 Roundtrip, found 14 hours ago
$180
Roundtrip
found 14 hours ago
Select United flight, departing Mon, Sep 8 from Newark Liberty Intl. Airport to O'Hare Intl., returning Tue, Sep 9, priced at $180 found 14 hours ago
Tue, Oct 21 - Sun, Oct 26
EWR
Newark Liberty Intl. Airport
ORD
O'Hare Intl.
$181 Roundtrip, found 2 hours ago
$181
Roundtrip
found 2 hours ago
Select United flight, departing Tue, Oct 21 from Newark Liberty Intl. Airport to O'Hare Intl., returning Sun, Oct 26, priced at $181 found 2 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.