IAD to SEA from $247 in economy – flightdeals.net

Home Premium Fare Deals About

Delta Air Lines

DLDelta Air Lines

Round Trip•Economy

Washington Dulles International Airport

Washington, United States

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

$556 USD

-56%$247 USD

Verified 2 days ago

November 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

26 27 28 29 30 31 1 2 3 4 5 6 7 8 9 10 11 12 13$1,002 14$992 15$992 16$992 17$992 18$992 19$1,012 20$732 21$702 22$702 23$702 24$702 25$702 26$702 27$517 28$802 29$972 30$527 1$517 2$467 3$467 4$247 5$247 6$247

Extremely Rare Availability

2% of dates checked are available within 10% of the lowest price

Saturday, November 7th, 2026

0 round-trip options

No flight details available for this date.