United Flight 4291 Deals & Information (2025/2026)

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United Flight 4291 Route Deals From $204

The cheapest prices found with in the last 7 days for return flights were $182 and $204 for one-way flights to Washington Dulles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jan 22 - Mon, Jan 26
BUF
Buffalo Niagara Intl.
IAD
Washington Dulles Intl.
$182 Roundtrip, found 5 days ago
$182
Roundtrip
found 5 days ago
Select United flight, departing Thu, Jan 22 from Buffalo Niagara Intl. to Washington Dulles Intl., returning Mon, Jan 26, priced at $182 found 5 days ago
Thu, Jan 1 - Thu, Jan 8
BUF
Buffalo Niagara Intl.
IAD
Washington Dulles Intl.
$199 Roundtrip, found 6 days ago
$199
Roundtrip
found 6 days ago
Select United flight, departing Thu, Jan 1 from Buffalo Niagara Intl. to Washington Dulles Intl., returning Thu, Jan 8, priced at $199 found 6 days ago
Wed, Feb 18 - Wed, Feb 25
BUF
Buffalo Niagara Intl.
IAD
Washington Dulles Intl.
$211 Roundtrip, just found
$211
Roundtrip
just found
Select United flight, departing Wed, Feb 18 from Buffalo Niagara Intl. to Washington Dulles Intl., returning Wed, Feb 25, priced at $211 just found
Wed, Feb 18 - Wed, Feb 25
BUF
Buffalo Niagara Intl.
IAD
Washington Dulles Intl.
$215 Roundtrip, just found
$215
Roundtrip
just found
Select United flight, departing Wed, Feb 18 from Buffalo Niagara Intl. to Washington Dulles Intl., returning Wed, Feb 25, priced at $215 just found
Wed, Dec 31 - Wed, Jan 14
BUF
Buffalo Niagara Intl.
IAD
Washington Dulles Intl.
$234 Roundtrip, found 2 days ago
$234
Roundtrip
found 2 days ago
Select United flight, departing Wed, Dec 31 from Buffalo Niagara Intl. to Washington Dulles Intl., returning Wed, Jan 14, priced at $234 found 2 days ago
Thu, Jan 22 - Mon, Jan 26
BUF
Buffalo Niagara Intl.
IAD
Washington Dulles Intl.
$242 Roundtrip, found 5 days ago
$242
Roundtrip
found 5 days ago
Select United flight, departing Thu, Jan 22 from Buffalo Niagara Intl. to Washington Dulles Intl., returning Mon, Jan 26, priced at $242 found 5 days ago
Thu, Feb 12 - Sun, Feb 15
BUF
Buffalo Niagara Intl.
IAD
Washington Dulles Intl.
$263 Roundtrip, found 2 days ago
$263
Roundtrip
found 2 days ago
Select United flight, departing Thu, Feb 12 from Buffalo Niagara Intl. to Washington Dulles Intl., returning Sun, Feb 15, priced at $263 found 2 days ago
Wed, Dec 31 - Thu, Jan 1
BUF
Buffalo Niagara Intl.
IAD
Washington Dulles Intl.
$271 Roundtrip, found 2 days ago
$271
Roundtrip
found 2 days ago
Select United flight, departing Wed, Dec 31 from Buffalo Niagara Intl. to Washington Dulles Intl., returning Thu, Jan 1, priced at $271 found 2 days ago
Wed, Feb 18 - Wed, Feb 25
BUF
Buffalo Niagara Intl.
IAD
Washington Dulles Intl.
$277 Roundtrip, just found
$277
Roundtrip
just found
Select United flight, departing Wed, Feb 18 from Buffalo Niagara Intl. to Washington Dulles Intl., returning Wed, Feb 25, priced at $277 just found
Wed, Feb 18 - Wed, Feb 25
BUF
Buffalo Niagara Intl.
IAD
Washington Dulles Intl.
$284 Roundtrip, just found
$284
Roundtrip
just found
Select United flight, departing Wed, Feb 18 from Buffalo Niagara Intl. to Washington Dulles Intl., returning Wed, Feb 25, priced at $284 just found
Tue, Feb 17 - Tue, Feb 24
BUF
Buffalo Niagara Intl.
IAD
Washington Dulles Intl.
$286 Roundtrip, found 20 hours ago
$286
Roundtrip
found 20 hours ago
Select United flight, departing Tue, Feb 17 from Buffalo Niagara Intl. to Washington Dulles Intl., returning Tue, Feb 24, priced at $286 found 20 hours ago

Frequently asked questions

What route does flight number UA4291 take?
UA4291 operates from Denver, CO Airport (DEN-Denver Intl.) to Tulsa Intl. Airport and flies direct. This service generally takes 1 hour and 47 minutes.
What kind of plane is on flight number UA4291?
The Embraer ERJ is the aircraft model most commonly used for flight number UA4291. Usually, this flight departs from Denver, CO Airport (DEN-Denver Intl.) and comes in to land at Tulsa Intl. Airport (TUL).
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 UA4291 flight with Travelocity, please visit our Customer Service Portal.