
$244 Cheap United flights Seattle (SEA) to Washington (IAD)
Prices were available within the past 7 days and start at $244 for one-way flights and $383 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Dec 21 - Fri, Jan 2
SEA
Seattle
IAD
Washington
$383 Roundtrip, found 1 day ago
$383
Roundtrip
found 1 day ago

Sun, Dec 21 - Fri, Jan 2
SEA
Seattle
IAD
Washington
$477 Roundtrip, found 1 day ago
$477
Roundtrip
found 1 day ago

Sun, Dec 21 - Fri, Jan 2
SEA
Seattle
IAD
Washington
$483 Roundtrip, found 1 day ago
$483
Roundtrip
found 1 day ago

Sun, Dec 21 - Fri, Jan 2
SEA
Seattle
IAD
Washington
$527 Roundtrip, found 1 day ago
$527
Roundtrip
found 1 day ago

Sun, Dec 21 - Fri, Jan 2
SEA
Seattle
IAD
Washington
$528 Roundtrip, found 1 day ago
$528
Roundtrip
found 1 day ago

Sun, Dec 21 - Fri, Jan 2
SEA
Seattle
IAD
Washington
$537 Roundtrip, found 1 day ago
$537
Roundtrip
found 1 day ago
Travel information
Origin airport | Seattle - Tacoma Intl. |
---|---|
Destination airport | Washington Dulles Intl. |
Airlines serving | Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United |
Popular airline | Alaska Airlines |
Distance | 3679 km |
Average flight time | 8 hours 2 mins |
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Most Popular United Routes from Seattle
Most Popular United Routes from Washington
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Popular Domestic Routes in Washington Dulles Intl.
- Washington to Los Angeles (DCA - LAX)
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- Jacksonville to Las Vegas (JAX - LAS)
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- Philadelphia to Orlando (PHL - MCO)
- Austin to Rochester (AUS - ROC)
- Fresno to Lexington (FAT - LEX)
- Tampa to Tokyo (TPA - HND)
- Austin to Rochester (AUS - ROC)