SEA to IAD from $148 in economy – flightdeals.net

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Alaska Airlines, Inc.

ASAlaska Airlines, Inc.

One Way•Economy

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

Washington Dulles International Airport

Washington, United States

$242 USD

-39%$148 USD

Verified 2 days ago

July 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29$279 30$233 1$233 2$188 3$148 4$233 5$394 6$339 7$188 8$188 9$188 10$148 11$279 12$339 13$188 14$178 15$158 16$233 17$279 18$279 19$364 20$233 21$178 22$178 23$188 24$188 25$279 26$339 27$279 28$158 29$178 30$233 31$188 1$233 2$279

Rare Availability

7% of dates checked are available within 10% of the lowest price

Friday, July 3rd, 2026

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