Traveling from the nation’s capital to the Pacific Northwest is easy with flights from Washington D.C. (IAD) to Seattle (SEA). These flights provide US travelers competitive pricing and convenient schedules.
Round-trip fares typically range between USD 200–450. Use My Trips Time to compare airlines and track fares to get the best deal.
Booking **6–8 weeks in advance** ensures competitive rates. Traveling during spring (March–May) or fall (September–October) usually provides lower fares.
Mid-week departures, especially Tuesday to Thursday, are often cheaper than weekend flights. My Trips Time fare alerts help secure timely discounts.
Depart from Washington Dulles International Airport, a major hub serving international and domestic flights. IAD offers multiple airlines, lounges, restaurants, and easy access to the DC metro area.
Arrive at Seattle–Tacoma International Airport (SEA), a modern and well-connected airport that provides easy access to downtown Seattle, car rentals, and public transportation.
SEA’s amenities make it convenient for travelers starting their Seattle journey.
Seattle is a vibrant city with a mix of urban sophistication and natural beauty. From historic markets to scenic waterfronts, the city is perfect for leisure or business travelers.
Major Attractions:
Visitors enjoy a mix of cultural, historical, and outdoor experiences.
Multiple airlines operate this route with nonstop and connecting options for flexibility.
Use My Trips Time to compare fares and schedules for the best travel experience.
Nonstop flights take about 5–6 hours.
United, American, Delta, and Alaska Airlines.
Yes, nonstop flights are available daily with major carriers.
Book 6–8 weeks ahead, especially during shoulder seasons for best deals.
Washington Dulles International Airport (IAD).
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