United Flight 3423 Deals & Information (2026/2027)

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United Flight 3423 Route Deals From $254

The cheapest prices found with in the last 7 days for return flights were $241 and $254 for one-way flights to Newark Liberty Intl. Airport for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Aug 1 - Sat, Aug 15
CVG
Cincinnati - Northern Kentucky Intl.
EWR
Newark Liberty Intl. Airport
$241 Roundtrip, found 3 days ago
$241
Roundtrip
found 3 days ago
Select United flight, departing Sat, Aug 1 from Cincinnati - Northern Kentucky Intl. to Newark Liberty Intl. Airport, returning Sat, Aug 15, priced at $241 found 3 days ago
Wed, Oct 14 - Sat, Oct 24
CVG
Cincinnati - Northern Kentucky Intl.
EWR
Newark Liberty Intl. Airport
$251 Roundtrip, found 13 hours ago
$251
Roundtrip
found 13 hours ago
Select United flight, departing Wed, Oct 14 from Cincinnati - Northern Kentucky Intl. to Newark Liberty Intl. Airport, returning Sat, Oct 24, priced at $251 found 13 hours ago
Thu, Jul 2 - Tue, Jul 7
CVG
Cincinnati - Northern Kentucky Intl.
EWR
Newark Liberty Intl. Airport
$255 Roundtrip, found 7 hours ago
$255
Roundtrip
found 7 hours ago
Select United flight, departing Thu, Jul 2 from Cincinnati - Northern Kentucky Intl. to Newark Liberty Intl. Airport, returning Tue, Jul 7, priced at $255 found 7 hours ago
Thu, Jul 16 - Sat, Jul 18
CVG
Cincinnati - Northern Kentucky Intl.
EWR
Newark Liberty Intl. Airport
$261 Roundtrip, found 2 days ago
$261
Roundtrip
found 2 days ago
Select United flight, departing Thu, Jul 16 from Cincinnati - Northern Kentucky Intl. to Newark Liberty Intl. Airport, returning Sat, Jul 18, priced at $261 found 2 days ago
Thu, Jul 2 - Tue, Jul 7
CVG
Cincinnati - Northern Kentucky Intl.
EWR
Newark Liberty Intl. Airport
$265 Roundtrip, found 7 hours ago
$265
Roundtrip
found 7 hours ago
Select United flight, departing Thu, Jul 2 from Cincinnati - Northern Kentucky Intl. to Newark Liberty Intl. Airport, returning Tue, Jul 7, priced at $265 found 7 hours ago
Sat, Aug 1 - Fri, Aug 14
CVG
Cincinnati - Northern Kentucky Intl.
EWR
Newark Liberty Intl. Airport
$266 Roundtrip, found 4 days ago
$266
Roundtrip
found 4 days ago
Select United flight, departing Sat, Aug 1 from Cincinnati - Northern Kentucky Intl. to Newark Liberty Intl. Airport, returning Fri, Aug 14, priced at $266 found 4 days ago
Thu, Jul 16 - Sat, Jul 18
CVG
Cincinnati - Northern Kentucky Intl.
EWR
Newark Liberty Intl. Airport
$271 Roundtrip, found 2 days ago
$271
Roundtrip
found 2 days ago
Select United flight, departing Thu, Jul 16 from Cincinnati - Northern Kentucky Intl. to Newark Liberty Intl. Airport, returning Sat, Jul 18, priced at $271 found 2 days ago
Fri, Sep 4 - Tue, Sep 8
CVG
Cincinnati - Northern Kentucky Intl.
EWR
Newark Liberty Intl. Airport
$272 Roundtrip, found 8 hours ago
$272
Roundtrip
found 8 hours ago
Select United flight, departing Fri, Sep 4 from Cincinnati - Northern Kentucky Intl. to Newark Liberty Intl. Airport, returning Tue, Sep 8, priced at $272 found 8 hours ago
Fri, Sep 11 - Sat, Dec 12
CVG
Cincinnati - Northern Kentucky Intl.
EWR
Newark Liberty Intl. Airport
$274 Roundtrip, found 3 days ago
$274
Roundtrip
found 3 days ago
Select United flight, departing Fri, Sep 11 from Cincinnati - Northern Kentucky Intl. to Newark Liberty Intl. Airport, returning Sat, Dec 12, priced at $274 found 3 days ago
Tue, Jul 14 - Wed, Jul 22
CVG
Cincinnati - Northern Kentucky Intl.
EWR
Newark Liberty Intl. Airport
$278 Roundtrip, found 7 hours ago
$278
Roundtrip
found 7 hours ago
Select United flight, departing Tue, Jul 14 from Cincinnati - Northern Kentucky Intl. to Newark Liberty Intl. Airport, returning Wed, Jul 22, priced at $278 found 7 hours ago
Thu, Aug 20 - Sun, Aug 23
CVG
Cincinnati - Northern Kentucky Intl.
EWR
Newark Liberty Intl. Airport
$279 Roundtrip, found 4 hours ago
$279
Roundtrip
found 4 hours ago
Select United flight, departing Thu, Aug 20 from Cincinnati - Northern Kentucky Intl. to Newark Liberty Intl. Airport, returning Sun, Aug 23, priced at $279 found 4 hours ago
Fri, Jul 10 - Mon, Jul 13
CVG
Cincinnati - Northern Kentucky Intl.
EWR
Newark Liberty Intl. Airport
$286 Roundtrip, found 2 hours ago
$286
Roundtrip
found 2 hours ago
Select United flight, departing Fri, Jul 10 from Cincinnati - Northern Kentucky Intl. to Newark Liberty Intl. Airport, returning Mon, Jul 13, priced at $286 found 2 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.