United Flight 4401 Deals & Information (2026/2027)

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United Flight 4401 Route Deals From $82

The cheapest prices found with in the last 7 days for return flights were $157 and $82 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 2 days ago
$157
Roundtrip
found 2 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 2 days ago
Thu, Apr 23 - Sun, Apr 26
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$158 Roundtrip, found 6 days ago
$158
Roundtrip
found 6 days ago
Select United flight, departing Thu, Apr 23 from Newark Liberty Intl. Airport to Buffalo Niagara Intl., returning Sun, Apr 26, priced at $158 found 6 days ago
Tue, Mar 17 - Thu, Mar 19
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$162 Roundtrip, found 1 day ago
$162
Roundtrip
found 1 day 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 1 day ago
Fri, Mar 6 - Wed, Mar 11
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$189 Roundtrip, found 4 days ago
$189
Roundtrip
found 4 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 4 days ago
Thu, May 7 - Fri, May 8
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$192 Roundtrip, found 1 day ago
$192
Roundtrip
found 1 day 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 1 day ago
Tue, Mar 17 - Thu, Mar 19
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$194 Roundtrip, found 1 day ago
$194
Roundtrip
found 1 day 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 1 day ago
Sat, Apr 4 - Thu, Apr 9
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$197 Roundtrip, found 1 day ago
$197
Roundtrip
found 1 day 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 1 day ago
Thu, May 7 - Fri, May 8
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$207 Roundtrip, found 1 day ago
$207
Roundtrip
found 1 day 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 1 day ago
Thu, May 7 - Sun, May 10
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$214 Roundtrip, found 1 day ago
$214
Roundtrip
found 1 day ago
Select United flight, departing Thu, May 7 from Newark Liberty Intl. Airport to Buffalo Niagara Intl., returning Sun, May 10, priced at $214 found 1 day ago
Thu, Apr 23 - Sun, Apr 26
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$219 Roundtrip, found 6 days ago
$219
Roundtrip
found 6 days ago
Select United flight, departing Thu, Apr 23 from Newark Liberty Intl. Airport to Buffalo Niagara Intl., returning Sun, Apr 26, priced at $219 found 6 days ago
Thu, Mar 5 - Sun, Mar 8
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$222 Roundtrip, found 10 hours ago
$222
Roundtrip
found 10 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 10 hours ago
Tue, Mar 17 - Thu, Mar 19
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$223 Roundtrip, found 1 day ago
$223
Roundtrip
found 1 day ago
Select United flight, departing Tue, Mar 17 from Newark Liberty Intl. Airport to Buffalo Niagara Intl., returning Thu, Mar 19, priced at $223 found 1 day ago
Fri, May 1 - Sat, May 2
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$224 Roundtrip, found 12 hours ago
$224
Roundtrip
found 12 hours ago
Select United flight, departing Fri, May 1 from Newark Liberty Intl. Airport to Buffalo Niagara Intl., returning Sat, May 2, priced at $224 found 12 hours ago
Thu, Mar 5 - Sun, Mar 8
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$233 Roundtrip, found 10 hours ago
$233
Roundtrip
found 10 hours ago
Select United flight, departing Thu, Mar 5 from Newark Liberty Intl. Airport to Buffalo Niagara Intl., returning Sun, Mar 8, priced at $233 found 10 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.