United Flight 4401 Deals & Information (2026/2027)

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United Flight 4401 Route Deals From $92

The cheapest prices found with in the last 7 days for return flights were $157 and $92 for one-way flights to Buffalo Niagara Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Sep 7 - Thu, Sep 10
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$157 Roundtrip, found 6 days ago
$157
Roundtrip
found 6 days ago
Select United flight, departing Mon, Sep 7 from Newark Liberty Intl. Airport to Buffalo Niagara Intl., returning Thu, Sep 10, priced at $157 found 6 days ago
Fri, Apr 17 - Tue, Apr 21
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$162 Roundtrip, found 10 hours ago
$162
Roundtrip
found 10 hours ago
Select United flight, departing Fri, Apr 17 from Newark Liberty Intl. Airport to Buffalo Niagara Intl., returning Tue, Apr 21, priced at $162 found 10 hours ago
Mon, Mar 9 - Tue, Mar 10
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$177 Roundtrip, found 7 hours ago
$177
Roundtrip
found 7 hours ago
Select United flight, departing Mon, Mar 9 from Newark Liberty Intl. Airport to Buffalo Niagara Intl., returning Tue, Mar 10, priced at $177 found 7 hours ago
Sat, Mar 14 - Tue, Mar 24
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$180 Roundtrip, found 3 days ago
$180
Roundtrip
found 3 days ago
Select United flight, departing Sat, Mar 14 from Newark Liberty Intl. Airport to Buffalo Niagara Intl., returning Tue, Mar 24, priced at $180 found 3 days ago
Thu, Apr 30 - Sun, May 3
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$183 Roundtrip, found 8 hours ago
$183
Roundtrip
found 8 hours ago
Select United flight, departing Thu, Apr 30 from Newark Liberty Intl. Airport to Buffalo Niagara Intl., returning Sun, May 3, priced at $183 found 8 hours ago
Thu, May 7 - Fri, May 8
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$192 Roundtrip, found 5 days ago
$192
Roundtrip
found 5 days ago
Select United flight, departing Thu, May 7 from Newark Liberty Intl. Airport to Buffalo Niagara Intl., returning Fri, May 8, priced at $192 found 5 days ago
Tue, Mar 17 - Thu, Mar 19
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$194 Roundtrip, found 5 days ago
$194
Roundtrip
found 5 days ago
Select United flight, departing Tue, Mar 17 from Newark Liberty Intl. Airport to Buffalo Niagara Intl., returning Thu, Mar 19, priced at $194 found 5 days ago
Fri, Apr 24 - Tue, Apr 28
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$195 Roundtrip, found 3 hours ago
$195
Roundtrip
found 3 hours ago
Select United flight, departing Fri, Apr 24 from Newark Liberty Intl. Airport to Buffalo Niagara Intl., returning Tue, Apr 28, priced at $195 found 3 hours ago
Sat, Apr 4 - Thu, Apr 9
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$197 Roundtrip, found 5 days ago
$197
Roundtrip
found 5 days ago
Select United flight, departing Sat, Apr 4 from Newark Liberty Intl. Airport to Buffalo Niagara Intl., returning Thu, Apr 9, priced at $197 found 5 days ago
Thu, Apr 30 - Sun, May 3
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$207 Roundtrip, found 8 hours ago
$207
Roundtrip
found 8 hours ago
Select United flight, departing Thu, Apr 30 from Newark Liberty Intl. Airport to Buffalo Niagara Intl., returning Sun, May 3, priced at $207 found 8 hours ago

Frequently asked questions

What route does flight number UA4401 take?
UA4401 is used on multiple routes. Most commonly, UA4401 flies straight from Allentown, PA Airport (ABE-Lehigh Valley Intl.) to O'Hare Intl. Airport (ORD). If you've booked a seat on this route, you'll be flying for around 2 hours and 5 minutes.
What kind of plane is on flight number UA4401?
If you're on flight UA4401 from Lehigh Valley International Airport to O'Hare Airport, there's a strong chance you'll be jetting off on the Canadair (Bombardier) Regional Jet 550. Flight UA4401 serves several routes, but this is the most common one.
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 UA4401 flight with Travelocity, please visit our Customer Service Portal.