United Flight 4353 Deals & Information (2026/2027)

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United Flight 4353 Route Deals From $224

The cheapest prices found with in the last 7 days for return flights were $234 and $224 for one-way flights to Buffalo Niagara Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Apr 22 - Wed, May 13
IAD
Washington Dulles Intl.
BUF
Buffalo Niagara Intl.
$234 Roundtrip, found 6 days ago
$234
Roundtrip
found 6 days ago
Select United flight, departing Wed, Apr 22 from Washington Dulles Intl. to Buffalo Niagara Intl., returning Wed, May 13, priced at $234 found 6 days ago
Fri, May 15 - Mon, May 18
IAD
Washington Dulles Intl.
BUF
Buffalo Niagara Intl.
$234 Roundtrip, found 6 days ago
$234
Roundtrip
found 6 days ago
Select United flight, departing Fri, May 15 from Washington Dulles Intl. to Buffalo Niagara Intl., returning Mon, May 18, priced at $234 found 6 days ago
Tue, Oct 6 - Sun, Oct 11
IAD
Washington Dulles Intl.
BUF
Buffalo Niagara Intl.
$246 Roundtrip, found 3 days ago
$246
Roundtrip
found 3 days ago
Select United flight, departing Tue, Oct 6 from Washington Dulles Intl. to Buffalo Niagara Intl., returning Sun, Oct 11, priced at $246 found 3 days ago
Wed, May 20 - Wed, May 27
IAD
Washington Dulles Intl.
BUF
Buffalo Niagara Intl.
$251 Roundtrip, found 5 days ago
$251
Roundtrip
found 5 days ago
Select United flight, departing Wed, May 20 from Washington Dulles Intl. to Buffalo Niagara Intl., returning Wed, May 27, priced at $251 found 5 days ago
Wed, Apr 22 - Tue, May 12
IAD
Washington Dulles Intl.
BUF
Buffalo Niagara Intl.
$264 Roundtrip, found 6 days ago
$264
Roundtrip
found 6 days ago
Select United flight, departing Wed, Apr 22 from Washington Dulles Intl. to Buffalo Niagara Intl., returning Tue, May 12, priced at $264 found 6 days ago
Sat, May 30 - Tue, Aug 4
IAD
Washington Dulles Intl.
BUF
Buffalo Niagara Intl.
$265 Roundtrip, found 1 day ago
$265
Roundtrip
found 1 day ago
Select United flight, departing Sat, May 30 from Washington Dulles Intl. to Buffalo Niagara Intl., returning Tue, Aug 4, priced at $265 found 1 day ago
Sat, May 30 - Wed, Aug 12
IAD
Washington Dulles Intl.
BUF
Buffalo Niagara Intl.
$266 Roundtrip, found 1 day ago
$266
Roundtrip
found 1 day ago
Select United flight, departing Sat, May 30 from Washington Dulles Intl. to Buffalo Niagara Intl., returning Wed, Aug 12, priced at $266 found 1 day ago
Sat, May 30 - Sun, May 31
IAD
Washington Dulles Intl.
BUF
Buffalo Niagara Intl.
$271 Roundtrip, found 9 hours ago
$271
Roundtrip
found 9 hours ago
Select United flight, departing Sat, May 30 from Washington Dulles Intl. to Buffalo Niagara Intl., returning Sun, May 31, priced at $271 found 9 hours ago
Tue, Mar 31 - Tue, Apr 7
IAD
Washington Dulles Intl.
BUF
Buffalo Niagara Intl.
$271 Roundtrip, found 1 day ago
$271
Roundtrip
found 1 day ago
Select United flight, departing Tue, Mar 31 from Washington Dulles Intl. to Buffalo Niagara Intl., returning Tue, Apr 7, priced at $271 found 1 day ago
Wed, Apr 8 - Sun, Apr 12
IAD
Washington Dulles Intl.
BUF
Buffalo Niagara Intl.
$282 Roundtrip, found 17 hours ago
$282
Roundtrip
found 17 hours ago
Select United flight, departing Wed, Apr 8 from Washington Dulles Intl. to Buffalo Niagara Intl., returning Sun, Apr 12, priced at $282 found 17 hours ago
Fri, Apr 10 - Sun, Apr 12
IAD
Washington Dulles Intl.
BUF
Buffalo Niagara Intl.
$288 Roundtrip, found 8 hours ago
$288
Roundtrip
found 8 hours ago
Select United flight, departing Fri, Apr 10 from Washington Dulles Intl. to Buffalo Niagara Intl., returning Sun, Apr 12, priced at $288 found 8 hours ago
Thu, Jun 11 - Mon, Jun 15
IAD
Washington Dulles Intl.
BUF
Buffalo Niagara Intl.
$288 Roundtrip, found 11 hours ago
$288
Roundtrip
found 11 hours ago
Select United flight, departing Thu, Jun 11 from Washington Dulles Intl. to Buffalo Niagara Intl., returning Mon, Jun 15, priced at $288 found 11 hours ago
Sat, May 30 - Tue, Jun 2
IAD
Washington Dulles Intl.
BUF
Buffalo Niagara Intl.
$292 Roundtrip, found 1 day ago
$292
Roundtrip
found 1 day ago
Select United flight, departing Sat, May 30 from Washington Dulles Intl. to Buffalo Niagara Intl., returning Tue, Jun 2, priced at $292 found 1 day ago
Wed, Apr 8 - Sun, Apr 12
IAD
Washington Dulles Intl.
BUF
Buffalo Niagara Intl.
$298 Roundtrip, found 17 hours ago
$298
Roundtrip
found 17 hours ago
Select United flight, departing Wed, Apr 8 from Washington Dulles Intl. to Buffalo Niagara Intl., returning Sun, Apr 12, priced at $298 found 17 hours ago
Fri, Apr 10 - Sun, Apr 12
IAD
Washington Dulles Intl.
BUF
Buffalo Niagara Intl.
$304 Roundtrip, found 8 hours ago
$304
Roundtrip
found 8 hours ago
Select United flight, departing Fri, Apr 10 from Washington Dulles Intl. to Buffalo Niagara Intl., returning Sun, Apr 12, priced at $304 found 8 hours ago
Sat, May 30 - Sun, May 31
IAD
Washington Dulles Intl.
BUF
Buffalo Niagara Intl.
$305 Roundtrip, found 9 hours ago
$305
Roundtrip
found 9 hours ago
Select United flight, departing Sat, May 30 from Washington Dulles Intl. to Buffalo Niagara Intl., returning Sun, May 31, priced at $305 found 9 hours ago

Frequently asked questions

What route does flight number UA4353 take?
UA4353 is used on multiple routes, but the most common is between COD and Denver Intl. Airport (DEN). If you're lucky enough to score a direct flight, you'll touch down in roughly 1 hour and 33 minutes. Multi-stop flights can also operate under this number, as can flights on other routes.
What kind of plane is on flight number UA4353?
UA4353 is a flight number that's used on a number of different routes. If you're traveling on its most popular route, Yellowstone Regional Airport (COD) to DEN, there's every chance you'll be hopping aboard an Embraer ERJ.
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 UA4353 flight with Travelocity, please visit our Customer Service Portal.