United Flight 4401 Deals & Information (2026/2027)

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United Flight 4401 Route Deals From $75

The cheapest prices found with in the last 7 days for return flights were $148 and $75 for one-way flights to Buffalo Niagara Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Apr 28 - Thu, Apr 30
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$148 Roundtrip, found 4 days ago
$148
Roundtrip
found 4 days ago
Select United flight, departing Tue, Apr 28 from Newark Liberty Intl. Airport to Buffalo Niagara Intl., returning Thu, Apr 30, priced at $148 found 4 days ago
Mon, Mar 9 - Tue, Mar 10
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$157 Roundtrip, found 8 hours ago
$157
Roundtrip
found 8 hours ago
Select United flight, departing Mon, Mar 9 from Newark Liberty Intl. Airport to Buffalo Niagara Intl., returning Tue, Mar 10, priced at $157 found 8 hours ago
Thu, Apr 23 - Sun, Apr 26
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$158 Roundtrip, found 1 day ago
$158
Roundtrip
found 1 day 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 1 day ago
Fri, May 29 - Sat, May 30
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$180 Roundtrip, found 2 days ago
$180
Roundtrip
found 2 days ago
Select United flight, departing Fri, May 29 from Newark Liberty Intl. Airport to Buffalo Niagara Intl., returning Sat, May 30, priced at $180 found 2 days ago
Mon, Mar 2 - Tue, Mar 3
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$183 Roundtrip, found 7 hours ago
$183
Roundtrip
found 7 hours ago
Select United flight, departing Mon, Mar 2 from Newark Liberty Intl. Airport to Buffalo Niagara Intl., returning Tue, Mar 3, priced at $183 found 7 hours ago
Wed, Apr 1 - Sun, Apr 5
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$188 Roundtrip, found 4 days ago
$188
Roundtrip
found 4 days ago
Select United flight, departing Wed, Apr 1 from Newark Liberty Intl. Airport to Buffalo Niagara Intl., returning Sun, Apr 5, priced at $188 found 4 days ago
Mon, Mar 2 - Wed, Mar 4
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$194 Roundtrip, found 16 hours ago
$194
Roundtrip
found 16 hours ago
Select United flight, departing Mon, Mar 2 from Newark Liberty Intl. Airport to Buffalo Niagara Intl., returning Wed, Mar 4, priced at $194 found 16 hours ago
Tue, Apr 28 - Thu, Apr 30
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$195 Roundtrip, found 4 days ago
$195
Roundtrip
found 4 days ago
Select United flight, departing Tue, Apr 28 from Newark Liberty Intl. Airport to Buffalo Niagara Intl., returning Thu, Apr 30, priced at $195 found 4 days ago
Mon, Mar 2 - Wed, Mar 4
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$199 Roundtrip, found 16 hours ago
$199
Roundtrip
found 16 hours ago
Select United flight, departing Mon, Mar 2 from Newark Liberty Intl. Airport to Buffalo Niagara Intl., returning Wed, Mar 4, priced at $199 found 16 hours ago
Mon, Mar 9 - Tue, Mar 10
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$217 Roundtrip, found 8 hours ago
$217
Roundtrip
found 8 hours ago
Select United flight, departing Mon, Mar 9 from Newark Liberty Intl. Airport to Buffalo Niagara Intl., returning Tue, Mar 10, priced at $217 found 8 hours ago
Thu, Apr 23 - Sun, Apr 26
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$219 Roundtrip, found 1 day ago
$219
Roundtrip
found 1 day 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 1 day 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.