United Flight 6149 Deals & Information (2026/2027)

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United Flight 6149 Route Deals From $234

The cheapest prices found with in the last 7 days for return flights were $239 and $234 for one-way flights to Buffalo Niagara Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Aug 11 - Sat, Aug 15
IAD
Washington Dulles Intl.
BUF
Buffalo Niagara Intl.
$239 Roundtrip, found 2 days ago
$239
Roundtrip
found 2 days ago
Select United flight, departing Tue, Aug 11 from Washington Dulles Intl. to Buffalo Niagara Intl., returning Sat, Aug 15, priced at $239 found 2 days ago
Fri, May 29 - Sun, May 31
IAD
Washington Dulles Intl.
BUF
Buffalo Niagara Intl.
$245 Roundtrip, found 12 hours ago
$245
Roundtrip
found 12 hours ago
Select United flight, departing Fri, May 29 from Washington Dulles Intl. to Buffalo Niagara Intl., returning Sun, May 31, priced at $245 found 12 hours ago
Fri, May 29 - Sun, May 31
IAD
Washington Dulles Intl.
BUF
Buffalo Niagara Intl.
$258 Roundtrip, found 12 hours ago
$258
Roundtrip
found 12 hours ago
Select United flight, departing Fri, May 29 from Washington Dulles Intl. to Buffalo Niagara Intl., returning Sun, May 31, priced at $258 found 12 hours ago
Fri, May 22 - Sun, May 24
IAD
Washington Dulles Intl.
BUF
Buffalo Niagara Intl.
$275 Roundtrip, found 13 hours ago
$275
Roundtrip
found 13 hours ago
Select United flight, departing Fri, May 22 from Washington Dulles Intl. to Buffalo Niagara Intl., returning Sun, May 24, priced at $275 found 13 hours ago
Tue, Aug 11 - Sat, Aug 15
IAD
Washington Dulles Intl.
BUF
Buffalo Niagara Intl.
$281 Roundtrip, found 2 days ago
$281
Roundtrip
found 2 days ago
Select United flight, departing Tue, Aug 11 from Washington Dulles Intl. to Buffalo Niagara Intl., returning Sat, Aug 15, priced at $281 found 2 days ago
Fri, May 29 - Sun, May 31
IAD
Washington Dulles Intl.
BUF
Buffalo Niagara Intl.
$284 Roundtrip, found 12 hours ago
$284
Roundtrip
found 12 hours ago
Select United flight, departing Fri, May 29 from Washington Dulles Intl. to Buffalo Niagara Intl., returning Sun, May 31, priced at $284 found 12 hours ago
Fri, May 29 - Sun, May 31
IAD
Washington Dulles Intl.
BUF
Buffalo Niagara Intl.
$290 Roundtrip, found 12 hours ago
$290
Roundtrip
found 12 hours ago
Select United flight, departing Fri, May 29 from Washington Dulles Intl. to Buffalo Niagara Intl., returning Sun, May 31, priced at $290 found 12 hours ago
Tue, Aug 11 - Sat, Aug 15
IAD
Washington Dulles Intl.
BUF
Buffalo Niagara Intl.
$294 Roundtrip, found 2 days ago
$294
Roundtrip
found 2 days ago
Select United flight, departing Tue, Aug 11 from Washington Dulles Intl. to Buffalo Niagara Intl., returning Sat, Aug 15, priced at $294 found 2 days ago

Frequently asked questions

What route does flight number UA6149 take?
UA6149 serves multiple routes, but the most common is between Portland Intl. Jetport Airport (PWM) and Dulles Intl. Airport. If you manage to score a direct flight, you'll stroll through arrivals in roughly 1 hour and 44 minutes. Multi-stop flights can also use this number, as can services on other routes.
How often is UA6149 on time?
If you're traveling with United Airlines flight number UA6149 from Portland Intl. Jetport to Washington, DC Airport (IAD-Washington Dulles Intl.), you'll be glad to know that their flights take off as scheduled 93% of the time. On the odd occasion that a flight runs behind, it is generally delayed by 8 minutes. Thanks to its quality of service, this trip has a 4.25-star rating.
What kind of plane is on flight number UA6149?
UA6149 is a flight number that's used on a number of routes. If you're heading off on its most popular one, Portland, ME Airport (PWM-Portland Intl. Jetport) to Washington, DC Airport (IAD-Washington Dulles Intl.), there's every chance you'll be boarding an Embraer 175.
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 UA6149 flight with Travelocity, please visit our Customer Service Portal.