Cheap flights from Washington to Seattle
From 247 USD — compare hundreds of airlines
About this route
Compare flights from Washington to Seattle, a about 3,737 km route (around 5h 10m nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as Alaska Airlines, United Airlines, Silk Avia operate this route.
Prices by date
Airlines on this route
FAQ
What's the cheapest month to fly Washington to Seattle?
It's usually 2026-08, from 239 USD. Use the price calendar to compare other dates.
How long is the flight from Washington to Seattle?
A nonstop flight takes about 5h 10m and covers around 3,737 km. Connecting itineraries take longer.
Are there direct flights from Washington to Seattle?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Washington to Seattle?
Alaska Airlines, United Airlines, Silk Avia operate this route, among others. Compare them all in the results.
When should I book Washington–Seattle flights?
As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.