
United Flight UA6178 Deals & Information (2025/2026)
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United Flight 6178 Route Deals From $90
The cheapest prices found with in the last 7 days for return flights were $177 and $90 for one-way flights to Washington Dulles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.
BUF
Buffalo Niagara Intl.
IAD
Washington Dulles Intl.
$177 Roundtrip, found 2 days ago
$177
Roundtrip
found 2 days ago
BUF
Buffalo Niagara Intl.
IAD
Washington Dulles Intl.
$179 Roundtrip, found 6 days ago
$179
Roundtrip
found 6 days ago
BUF
Buffalo Niagara Intl.
IAD
Washington Dulles Intl.
$180 Roundtrip, found 6 days ago
$180
Roundtrip
found 6 days ago
BUF
Buffalo Niagara Intl.
IAD
Washington Dulles Intl.
$180 Roundtrip, found 21 hours ago
$180
Roundtrip
found 21 hours ago
BUF
Buffalo Niagara Intl.
IAD
Washington Dulles Intl.
$181 Roundtrip, found 1 day ago
$181
Roundtrip
found 1 day ago
BUF
Buffalo Niagara Intl.
IAD
Washington Dulles Intl.
$187 Roundtrip, found 1 day ago
$187
Roundtrip
found 1 day ago
BUF
Buffalo Niagara Intl.
IAD
Washington Dulles Intl.
$193 Roundtrip, found 1 day ago
$193
Roundtrip
found 1 day ago
BUF
Buffalo Niagara Intl.
IAD
Washington Dulles Intl.
$195 Roundtrip, found 6 days ago
$195
Roundtrip
found 6 days ago
BUF
Buffalo Niagara Intl.
IAD
Washington Dulles Intl.
$196 Roundtrip, found 21 hours ago
$196
Roundtrip
found 21 hours ago
BUF
Buffalo Niagara Intl.
IAD
Washington Dulles Intl.
$197 Roundtrip, found 21 hours ago
$197
Roundtrip
found 21 hours ago
BUF
Buffalo Niagara Intl.
IAD
Washington Dulles Intl.
$204 Roundtrip, found 1 day ago
$204
Roundtrip
found 1 day ago