United Flight UA3423 Deals & Information (2025/2026)

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United Flight 3423 Route Deals From $95

The cheapest prices found with in the last 7 days for return flights were $126 and $95 for one-way flights to Newark Liberty Intl. Airport for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Sep 27 - Mon, Sep 29
CMH
John Glenn Columbus Intl.
EWR
Newark Liberty Intl. Airport
$126 Roundtrip, found 2 days ago
$126
Roundtrip
found 2 days ago
Select United flight, departing Sat, Sep 27 from John Glenn Columbus Intl. to Newark Liberty Intl. Airport, returning Mon, Sep 29, priced at $126 found 2 days ago
Tue, Sep 9 - Mon, Sep 15
CMH
John Glenn Columbus Intl.
EWR
Newark Liberty Intl. Airport
$140 Roundtrip, found 15 hours ago
$140
Roundtrip
found 15 hours ago
Select United flight, departing Tue, Sep 9 from John Glenn Columbus Intl. to Newark Liberty Intl. Airport, returning Mon, Sep 15, priced at $140 found 15 hours ago
Mon, Sep 29 - Fri, Oct 3
CMH
John Glenn Columbus Intl.
EWR
Newark Liberty Intl. Airport
$146 Roundtrip, found 6 days ago
$146
Roundtrip
found 6 days ago
Select United flight, departing Mon, Sep 29 from John Glenn Columbus Intl. to Newark Liberty Intl. Airport, returning Fri, Oct 3, priced at $146 found 6 days ago
Sat, Sep 27 - Mon, Sep 29
CMH
John Glenn Columbus Intl.
EWR
Newark Liberty Intl. Airport
$156 Roundtrip, found 2 days ago
$156
Roundtrip
found 2 days ago
Select United flight, departing Sat, Sep 27 from John Glenn Columbus Intl. to Newark Liberty Intl. Airport, returning Mon, Sep 29, priced at $156 found 2 days ago
Sat, Sep 27 - Mon, Sep 29
CMH
John Glenn Columbus Intl.
EWR
Newark Liberty Intl. Airport
$171 Roundtrip, found 2 days ago
$171
Roundtrip
found 2 days ago
Select United flight, departing Sat, Sep 27 from John Glenn Columbus Intl. to Newark Liberty Intl. Airport, returning Mon, Sep 29, priced at $171 found 2 days ago

Frequently asked questions

What route does flight number UA3423 take?
UA3423 serves multiple routes, but the most common is between Eastern Iowa Airport (CID) and O'Hare Airport. If your flight is direct, you'll land in roughly 1 hour and 10 minutes. Multi-stop flights can also travel under this number, as can flights on other routes.
What kind of plane is on flight number UA3423?
You're likely to be cruising aboard an Embraer 170 if you've booked a fare on flight UA3423 from CID to O'Hare Intl. Airport (ORD). This is the most commonly used type of aircraft on this popular route.
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 UA3423 flight with Travelocity, please visit our Customer Service Portal.