United Flight 4401 Deals & Information (2026/2027)

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United Flight 4401 Route Deals From $91

The cheapest prices found with in the last 7 days for return flights were $157 and $91 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 3 days ago
$157
Roundtrip
found 3 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 3 days ago
Tue, Mar 17 - Thu, Mar 19
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$162 Roundtrip, found 2 days ago
$162
Roundtrip
found 2 days ago
Select United flight, departing Tue, Mar 17 from Newark Liberty Intl. Airport to Buffalo Niagara Intl., returning Thu, Mar 19, priced at $162 found 2 days ago
Sat, Mar 14 - Tue, Mar 24
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$180 Roundtrip, found 13 hours ago
$180
Roundtrip
found 13 hours 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 13 hours ago
Fri, Mar 6 - Wed, Mar 11
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$189 Roundtrip, found 5 days ago
$189
Roundtrip
found 5 days ago
Select United flight, departing Fri, Mar 6 from Newark Liberty Intl. Airport to Buffalo Niagara Intl., returning Wed, Mar 11, priced at $189 found 5 days ago
Thu, May 7 - Fri, May 8
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$192 Roundtrip, found 2 days ago
$192
Roundtrip
found 2 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 2 days ago
Tue, Mar 17 - Thu, Mar 19
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$194 Roundtrip, found 2 days ago
$194
Roundtrip
found 2 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 2 days ago
Sat, Apr 4 - Thu, Apr 9
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$197 Roundtrip, found 2 days ago
$197
Roundtrip
found 2 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 2 days ago
Thu, May 7 - Fri, May 8
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$207 Roundtrip, found 2 days ago
$207
Roundtrip
found 2 days ago
Select United flight, departing Thu, May 7 from Newark Liberty Intl. Airport to Buffalo Niagara Intl., returning Fri, May 8, priced at $207 found 2 days ago
Wed, Mar 11 - Sun, Mar 15
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$212 Roundtrip, found 3 hours ago
$212
Roundtrip
found 3 hours ago
Select United flight, departing Wed, Mar 11 from Newark Liberty Intl. Airport to Buffalo Niagara Intl., returning Sun, Mar 15, priced at $212 found 3 hours ago
Tue, Mar 10 - Sun, Mar 15
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$214 Roundtrip, found 2 hours ago
$214
Roundtrip
found 2 hours ago
Select United flight, departing Tue, Mar 10 from Newark Liberty Intl. Airport to Buffalo Niagara Intl., returning Sun, Mar 15, priced at $214 found 2 hours ago
Thu, Mar 5 - Sun, Mar 8
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$222 Roundtrip, found 11 hours ago
$222
Roundtrip
found 11 hours ago
Select United flight, departing Thu, Mar 5 from Newark Liberty Intl. Airport to Buffalo Niagara Intl., returning Sun, Mar 8, priced at $222 found 11 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.