Book United Seattle to Washington, D.C. flight deals from $217

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Search flights from Seattle to Washington, D.C. (SEA - IAD)

November

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Tue 20

Return Wed 5
from$ 351*Viewed: 2 hours ago

Fri 23

Return Sat 8
from$ 351*Viewed: 2 hours ago

Mon 26

Return Tue 4
from$ 351*Viewed: 2 hours ago

December

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Tue 4

Return Wed 19
from$ 351*Viewed: 2 hours ago

Wed 12

Return Sat 15
from$ 295*Viewed: 1 hour ago

Tue 25

Return Wed 9
from$ 323*Viewed: 2 hours ago

January

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Tue 15

Return Wed 30
from$ 217*Viewed: 2 hours ago

Tue 22

Return Wed 6
from$ 225*Viewed: 2 hours ago

Tue 29

Return Wed 13
from$ 217*Viewed: 2 hours ago
*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Plan ahead for flights from Seattle to Washington, D.C.

from
to
Type
Dates
Price*
Seattle (SEA)
to Washington, D.C. (IAD)
Roundtrip
Depart Tue 15 Jan 2019
Return Wed 30 Jan 2019
from$ 217*Viewed: 2 hours ago
Seattle (SEA)
to Washington, D.C. (WAS)
Roundtrip
Depart Tue 15 Jan 2019
Return Wed 30 Jan 2019
from$ 217*Viewed: 2 hours ago
Seattle (SEA)
to Washington, D.C. (IAD)
Roundtrip
Depart Tue 29 Jan 2019
Return Wed 13 Feb 2019
from$ 217*Viewed: 2 hours ago
Seattle (SEA)
to Washington, D.C. (WAS)
Roundtrip
Depart Tue 29 Jan 2019
Return Wed 13 Feb 2019
from$ 217*Viewed: 2 hours ago
Seattle (SEA)
to Washington, D.C. (IAD)
Roundtrip
Depart Tue 5 Feb 2019
Return Wed 20 Feb 2019
from$ 217*Viewed: 2 hours ago
Seattle (SEA)
to Washington, D.C. (WAS)
Roundtrip
Depart Tue 5 Feb 2019
Return Wed 20 Feb 2019
from$ 217*Viewed: 2 hours ago
Seattle (SEA)
to Washington, D.C. (WAS)
Roundtrip
Depart Tue 8 Jan 2019
Return Wed 23 Jan 2019
from$ 225*Viewed: 2 hours ago
Seattle (SEA)
to Washington, D.C. (IAD)
Roundtrip
Depart Tue 8 Jan 2019
Return Wed 23 Jan 2019
from$ 225*Viewed: 2 hours ago
Seattle (SEA)
to Washington, D.C. (WAS)
Roundtrip
Depart Tue 22 Jan 2019
Return Wed 6 Feb 2019
from$ 225*Viewed: 2 hours ago
Seattle (SEA)
to Washington, D.C. (IAD)
Roundtrip
Depart Tue 22 Jan 2019
Return Wed 6 Feb 2019
from$ 225*Viewed: 2 hours ago
*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Weather in Washington, D.C.

45 °FTuesday11/13/2018
36 °FWednesday11/14/2018
36 °FThursday11/15/2018
45 °FFriday11/16/2018
47 °FSaturday11/17/2018
45 °FSunday11/18/2018
51 °FMonday11/19/2018
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