IAD to SEA from $154 in economy – flightdeals.net

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Delta Air Lines

DLDelta Air Lines

One Way•Economy

Washington Dulles International Airport

Washington, United States

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

$300 USD

-49%$154 USD

Verified 2 days ago

November 2026

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26 27 28 29 30 31 1 2 3 4 5 6 7 8 9 10 11 12 13$594 14$584 15$584 16$584 17$584 18$584 19$604 20$524 21$484 22$484 23$484 24$484 25$484 26$484 27$364 28$584 29$754 30$374 1$364 2$364 3$364 4$154 5$154 6$154

Rare Availability

5% of dates checked are available within 10% of the lowest price

Tuesday, November 3rd, 2026

No flight details available for this date.