United Flight 3423 Deals & Information (2025/2026)

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United Flight 3423 Route Deals From $220

The cheapest prices found with in the last 7 days for return flights were $180 and $220 for one-way flights to Newark Liberty Intl. Airport for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Oct 2 - Mon, Oct 6
CMH
John Glenn Columbus Intl.
EWR
Newark Liberty Intl. Airport
$180 Roundtrip, found 2 days ago
$180
Roundtrip
found 2 days ago
Select United flight, departing Thu, Oct 2 from John Glenn Columbus Intl. to Newark Liberty Intl. Airport, returning Mon, Oct 6, priced at $180 found 2 days ago
Tue, Nov 11 - Tue, Nov 18
CMH
John Glenn Columbus Intl.
EWR
Newark Liberty Intl. Airport
$181 Roundtrip, found 5 hours ago
$181
Roundtrip
found 5 hours ago
Select United flight, departing Tue, Nov 11 from John Glenn Columbus Intl. to Newark Liberty Intl. Airport, returning Tue, Nov 18, priced at $181 found 5 hours 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.