United Flight 1257 Deals & Information (2025/2026)

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United Flight 1257 Route Deals From $99

The cheapest prices found with in the last 7 days for return flights were $148 and $99 for one-way flights to Washington Dulles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Jan 18 - Wed, Jan 28
RDU
Raleigh - Durham Intl.
IAD
Washington Dulles Intl.
$148 Roundtrip, found 6 days ago
$148
Roundtrip
found 6 days ago
Select United flight, departing Sun, Jan 18 from Raleigh - Durham Intl. to Washington Dulles Intl., returning Wed, Jan 28, priced at $148 found 6 days ago
Thu, Jan 15 - Mon, Jan 26
RDU
Raleigh - Durham Intl.
IAD
Washington Dulles Intl.
$179 Roundtrip, found 6 days ago
$179
Roundtrip
found 6 days ago
Select United flight, departing Thu, Jan 15 from Raleigh - Durham Intl. to Washington Dulles Intl., returning Mon, Jan 26, priced at $179 found 6 days ago
Thu, Jan 22 - Sun, Jan 25
RDU
Raleigh - Durham Intl.
IAD
Washington Dulles Intl.
$179 Roundtrip, found 2 days ago
$179
Roundtrip
found 2 days ago
Select United flight, departing Thu, Jan 22 from Raleigh - Durham Intl. to Washington Dulles Intl., returning Sun, Jan 25, priced at $179 found 2 days ago
Thu, Jan 22 - Sun, Jan 25
RDU
Raleigh - Durham Intl.
IAD
Washington Dulles Intl.
$183 Roundtrip, found 2 days ago
$183
Roundtrip
found 2 days ago
Select United flight, departing Thu, Jan 22 from Raleigh - Durham Intl. to Washington Dulles Intl., returning Sun, Jan 25, priced at $183 found 2 days ago
Sun, Jan 18 - Wed, Jan 28
RDU
Raleigh - Durham Intl.
IAD
Washington Dulles Intl.
$190 Roundtrip, found 6 days ago
$190
Roundtrip
found 6 days ago
Select United flight, departing Sun, Jan 18 from Raleigh - Durham Intl. to Washington Dulles Intl., returning Wed, Jan 28, priced at $190 found 6 days ago
Sat, Dec 6 - Sun, Jan 11
RDU
Raleigh - Durham Intl.
IAD
Washington Dulles Intl.
$194 Roundtrip, found 2 days ago
$194
Roundtrip
found 2 days ago
Select United flight, departing Sat, Dec 6 from Raleigh - Durham Intl. to Washington Dulles Intl., returning Sun, Jan 11, priced at $194 found 2 days ago