United Flight 4401 Deals & Information (2026/2027)

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United Flight 4401 Route Deals From $71

The cheapest prices found with in the last 7 days for return flights were $137 and $71 for one-way flights to Buffalo Niagara Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jun 3 - Sat, Jun 6
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$137 Roundtrip, found 2 days ago
$137
Roundtrip
found 2 days ago
Select United flight, departing Wed, Jun 3 from Newark Liberty Intl. Airport to Buffalo Niagara Intl., returning Sat, Jun 6, priced at $137 found 2 days ago
Sat, Apr 25 - Wed, Apr 29
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$142 Roundtrip, found 1 day ago
$142
Roundtrip
found 1 day ago
Select United flight, departing Sat, Apr 25 from Newark Liberty Intl. Airport to Buffalo Niagara Intl., returning Wed, Apr 29, priced at $142 found 1 day ago
Wed, May 6 - Thu, May 7
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$148 Roundtrip, found 3 days ago
$148
Roundtrip
found 3 days ago
Select United flight, departing Wed, May 6 from Newark Liberty Intl. Airport to Buffalo Niagara Intl., returning Thu, May 7, priced at $148 found 3 days ago
Fri, Mar 27 - Tue, Mar 31
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$156 Roundtrip, found 2 days ago
$156
Roundtrip
found 2 days ago
Select United flight, departing Fri, Mar 27 from Newark Liberty Intl. Airport to Buffalo Niagara Intl., returning Tue, Mar 31, priced at $156 found 2 days ago
Wed, Sep 16 - Thu, Sep 17
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$157 Roundtrip, found 5 days ago
$157
Roundtrip
found 5 days ago
Select United flight, departing Wed, Sep 16 from Newark Liberty Intl. Airport to Buffalo Niagara Intl., returning Thu, Sep 17, priced at $157 found 5 days ago
Wed, Apr 22 - Thu, Apr 23
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$162 Roundtrip, found 5 days ago
$162
Roundtrip
found 5 days ago
Select United flight, departing Wed, Apr 22 from Newark Liberty Intl. Airport to Buffalo Niagara Intl., returning Thu, Apr 23, priced at $162 found 5 days ago
Sat, May 16 - Sun, May 17
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$167 Roundtrip, found 3 days ago
$167
Roundtrip
found 3 days ago
Select United flight, departing Sat, May 16 from Newark Liberty Intl. Airport to Buffalo Niagara Intl., returning Sun, May 17, priced at $167 found 3 days ago
Wed, Jun 3 - Sat, Jun 6
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$172 Roundtrip, found 2 days ago
$172
Roundtrip
found 2 days ago
Select United flight, departing Wed, Jun 3 from Newark Liberty Intl. Airport to Buffalo Niagara Intl., returning Sat, Jun 6, priced at $172 found 2 days ago
Wed, Apr 1 - Sun, Apr 5
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$175 Roundtrip, found 2 days ago
$175
Roundtrip
found 2 days ago
Select United flight, departing Wed, Apr 1 from Newark Liberty Intl. Airport to Buffalo Niagara Intl., returning Sun, Apr 5, priced at $175 found 2 days ago
Thu, Jun 4 - Sat, Jun 6
EWR
Newark Liberty Intl. Airport
BUF
Buffalo Niagara Intl.
$178 Roundtrip, found 1 day ago
$178
Roundtrip
found 1 day ago
Select United flight, departing Thu, Jun 4 from Newark Liberty Intl. Airport to Buffalo Niagara Intl., returning Sat, Jun 6, priced at $178 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.