Seattle / Tacoma (SEA) to Washington (IAD) flight deal in economy from $255
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
IADWashington Dulles International Airport
Washington, United States
$458 USD
-44%$255 USD
Verified about 4 hours agoJanuary 2027
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Extremely Rare Availability
4% of dates checked are available within 10% of the lowest price
Friday, January 1st, 2027
7 round-trip options
Returning
Wed, Jan 6, 2027•5 Day Trip
$497 USD
Returning
Fri, Jan 8, 2027•7 Day Trip
$497 USD
Returning
Mon, Jan 11, 2027•10 Day Trip
$497 USD
Returning
Tue, Jan 12, 2027•11 Day Trip
$497 USD
Returning
Wed, Jan 13, 2027•12 Day Trip
$497 USD
Returning
Thu, Jan 14, 2027•13 Day Trip
$497 USD
Returning
Fri, Jan 15, 2027•14 Day Trip
$497 USD