United Flight 3423 Deals & Information (2025/2026)

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United Flight 3423 Route Deals From $81

The cheapest prices found with in the last 7 days for return flights were $128 and $81 for one-way flights to Newark Liberty Intl. Airport for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, May 6 - Sat, May 10
CMH
John Glenn Columbus Intl.
EWR
Newark Liberty Intl. Airport
$128 Roundtrip, found 4 days ago
$128
Roundtrip
found 4 days ago
Select United flight, departing Tue, May 6 from John Glenn Columbus Intl. to Newark Liberty Intl. Airport, returning Sat, May 10, priced at $128 found 4 days ago
Wed, May 7 - Sun, May 18
CMH
John Glenn Columbus Intl.
EWR
Newark Liberty Intl. Airport
$137 Roundtrip, found 6 days ago
$137
Roundtrip
found 6 days ago
Select United flight, departing Wed, May 7 from John Glenn Columbus Intl. to Newark Liberty Intl. Airport, returning Sun, May 18, priced at $137 found 6 days ago
Tue, May 6 - Sat, May 10
CMH
John Glenn Columbus Intl.
EWR
Newark Liberty Intl. Airport
$137 Roundtrip, found 4 days ago
$137
Roundtrip
found 4 days ago
Select United flight, departing Tue, May 6 from John Glenn Columbus Intl. to Newark Liberty Intl. Airport, returning Sat, May 10, priced at $137 found 4 days ago
Wed, May 7 - Mon, May 12
CMH
John Glenn Columbus Intl.
EWR
Newark Liberty Intl. Airport
$139 Roundtrip, found 6 days ago
$139
Roundtrip
found 6 days ago
Select United flight, departing Wed, May 7 from John Glenn Columbus Intl. to Newark Liberty Intl. Airport, returning Mon, May 12, priced at $139 found 6 days ago
Wed, May 7 - Mon, May 12
CMH
John Glenn Columbus Intl.
EWR
Newark Liberty Intl. Airport
$149 Roundtrip, found 6 days ago
$149
Roundtrip
found 6 days ago
Select United flight, departing Wed, May 7 from John Glenn Columbus Intl. to Newark Liberty Intl. Airport, returning Mon, May 12, priced at $149 found 6 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.