United Flight 4390 Deals & Information (2026/2027)

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United Flight 4390 Route Deals From $229

The cheapest prices found with in the last 7 days for return flights were $181 and $229 for one-way flights to Newark Liberty Intl. Airport for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Apr 18 - Tue, Apr 21
CVG
Cincinnati - Northern Kentucky Intl.
EWR
Newark Liberty Intl. Airport
$181 Roundtrip, found 1 day ago
$181
Roundtrip
found 1 day ago
Select United flight, departing Sat, Apr 18 from Cincinnati - Northern Kentucky Intl. to Newark Liberty Intl. Airport, returning Tue, Apr 21, priced at $181 found 1 day ago
Wed, May 27 - Sat, May 30
CVG
Cincinnati - Northern Kentucky Intl.
EWR
Newark Liberty Intl. Airport
$186 Roundtrip, found 2 days ago
$186
Roundtrip
found 2 days ago
Select United flight, departing Wed, May 27 from Cincinnati - Northern Kentucky Intl. to Newark Liberty Intl. Airport, returning Sat, May 30, priced at $186 found 2 days ago
Sat, Apr 18 - Tue, Apr 21
CVG
Cincinnati - Northern Kentucky Intl.
EWR
Newark Liberty Intl. Airport
$191 Roundtrip, found 1 day ago
$191
Roundtrip
found 1 day ago
Select United flight, departing Sat, Apr 18 from Cincinnati - Northern Kentucky Intl. to Newark Liberty Intl. Airport, returning Tue, Apr 21, priced at $191 found 1 day ago
Tue, Mar 10 - Tue, Mar 17
CVG
Cincinnati - Northern Kentucky Intl.
EWR
Newark Liberty Intl. Airport
$193 Roundtrip, found 3 days ago
$193
Roundtrip
found 3 days ago
Select United flight, departing Tue, Mar 10 from Cincinnati - Northern Kentucky Intl. to Newark Liberty Intl. Airport, returning Tue, Mar 17, priced at $193 found 3 days ago
Wed, May 27 - Sat, May 30
CVG
Cincinnati - Northern Kentucky Intl.
EWR
Newark Liberty Intl. Airport
$196 Roundtrip, found 2 days ago
$196
Roundtrip
found 2 days ago
Select United flight, departing Wed, May 27 from Cincinnati - Northern Kentucky Intl. to Newark Liberty Intl. Airport, returning Sat, May 30, priced at $196 found 2 days ago
Sat, Mar 7 - Tue, Mar 10
CVG
Cincinnati - Northern Kentucky Intl.
EWR
Newark Liberty Intl. Airport
$198 Roundtrip, found 4 days ago
$198
Roundtrip
found 4 days ago
Select United flight, departing Sat, Mar 7 from Cincinnati - Northern Kentucky Intl. to Newark Liberty Intl. Airport, returning Tue, Mar 10, priced at $198 found 4 days ago
Sat, Apr 18 - Tue, Apr 21
CVG
Cincinnati - Northern Kentucky Intl.
EWR
Newark Liberty Intl. Airport
$201 Roundtrip, found 1 day ago
$201
Roundtrip
found 1 day ago
Select United flight, departing Sat, Apr 18 from Cincinnati - Northern Kentucky Intl. to Newark Liberty Intl. Airport, returning Tue, Apr 21, priced at $201 found 1 day ago
Sat, Apr 18 - Tue, Apr 21
CVG
Cincinnati - Northern Kentucky Intl.
EWR
Newark Liberty Intl. Airport
$203 Roundtrip, found 1 day ago
$203
Roundtrip
found 1 day ago
Select United flight, departing Sat, Apr 18 from Cincinnati - Northern Kentucky Intl. to Newark Liberty Intl. Airport, returning Tue, Apr 21, priced at $203 found 1 day ago
Fri, Jun 19 - Wed, Jun 24
CVG
Cincinnati - Northern Kentucky Intl.
EWR
Newark Liberty Intl. Airport
$205 Roundtrip, found 3 days ago
$205
Roundtrip
found 3 days ago
Select United flight, departing Fri, Jun 19 from Cincinnati - Northern Kentucky Intl. to Newark Liberty Intl. Airport, returning Wed, Jun 24, priced at $205 found 3 days ago
Sat, Mar 7 - Tue, Mar 10
CVG
Cincinnati - Northern Kentucky Intl.
EWR
Newark Liberty Intl. Airport
$208 Roundtrip, found 4 days ago
$208
Roundtrip
found 4 days ago
Select United flight, departing Sat, Mar 7 from Cincinnati - Northern Kentucky Intl. to Newark Liberty Intl. Airport, returning Tue, Mar 10, priced at $208 found 4 days ago
Sat, Mar 7 - Tue, Mar 10
CVG
Cincinnati - Northern Kentucky Intl.
EWR
Newark Liberty Intl. Airport
$209 Roundtrip, found 4 days ago
$209
Roundtrip
found 4 days ago
Select United flight, departing Sat, Mar 7 from Cincinnati - Northern Kentucky Intl. to Newark Liberty Intl. Airport, returning Tue, Mar 10, priced at $209 found 4 days ago
Wed, Feb 25 - Mon, Mar 2
CVG
Cincinnati - Northern Kentucky Intl.
EWR
Newark Liberty Intl. Airport
$210 Roundtrip, found 2 days ago
$210
Roundtrip
found 2 days ago
Select United flight, departing Wed, Feb 25 from Cincinnati - Northern Kentucky Intl. to Newark Liberty Intl. Airport, returning Mon, Mar 2, priced at $210 found 2 days ago
Fri, Jun 19 - Wed, Jun 24
CVG
Cincinnati - Northern Kentucky Intl.
EWR
Newark Liberty Intl. Airport
$215 Roundtrip, found 3 days ago
$215
Roundtrip
found 3 days ago
Select United flight, departing Fri, Jun 19 from Cincinnati - Northern Kentucky Intl. to Newark Liberty Intl. Airport, returning Wed, Jun 24, priced at $215 found 3 days ago
Sat, Apr 18 - Tue, Apr 21
CVG
Cincinnati - Northern Kentucky Intl.
EWR
Newark Liberty Intl. Airport
$218 Roundtrip, found 1 day ago
$218
Roundtrip
found 1 day ago
Select United flight, departing Sat, Apr 18 from Cincinnati - Northern Kentucky Intl. to Newark Liberty Intl. Airport, returning Tue, Apr 21, priced at $218 found 1 day ago
Thu, May 21 - Sun, May 24
CVG
Cincinnati - Northern Kentucky Intl.
EWR
Newark Liberty Intl. Airport
$219 Roundtrip, found 1 day ago
$219
Roundtrip
found 1 day ago
Select United flight, departing Thu, May 21 from Cincinnati - Northern Kentucky Intl. to Newark Liberty Intl. Airport, returning Sun, May 24, priced at $219 found 1 day ago
Fri, Apr 10 - Thu, Apr 16
CVG
Cincinnati - Northern Kentucky Intl.
EWR
Newark Liberty Intl. Airport
$220 Roundtrip, found 15 hours ago
$220
Roundtrip
found 15 hours ago
Select United flight, departing Fri, Apr 10 from Cincinnati - Northern Kentucky Intl. to Newark Liberty Intl. Airport, returning Thu, Apr 16, priced at $220 found 15 hours ago
Sat, Feb 14 - Thu, Feb 19
CVG
Cincinnati - Northern Kentucky Intl.
EWR
Newark Liberty Intl. Airport
$225 Roundtrip, found 19 hours ago
$225
Roundtrip
found 19 hours ago
Select United flight, departing Sat, Feb 14 from Cincinnati - Northern Kentucky Intl. to Newark Liberty Intl. Airport, returning Thu, Feb 19, priced at $225 found 19 hours ago

Frequently asked questions

What route does flight number UA4390 take?
UA4390 is used on a number of routes. Typically, UA4390 flies directly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to O'Hare Intl. Airport (ORD). If this is your route, you'll be up above the clouds for about 2 hours and 2 minutes.
What kind of plane is on flight number UA4390?
It's likely you'll be setting off on a Canadair (Bombardier) Regional Jet 550 if you've booked a fare from BWI to Chicago, IL Airport (ORD-O'Hare Intl.), a common route for flight UA4390.
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 UA4390 flight with Travelocity, please visit our Customer Service Portal.