Compare prices across airlines and find the best deals
Book at the right time: Many routes to Seattle are international. Aim to book 6–10 weeks ahead. Prices spike sharply within 2 weeks of departure.
Shift your dates by a day or two: Mid-week departures (Tuesday–Wednesday) are almost always cheaper than weekend flights. Even shifting by one day can make a meaningful difference.
Search in private browsing: Some booking sites use cookies to track repeat searches and may show higher prices after multiple lookups. Use an incognito window — or just use Booked AI, which pulls live prices without any tracking markup.
The cheapest flights to Seattle start from $167, with prices ranging up to $3,392 depending on origin city and airline.
Seattle is connected to 80 cities with direct or connecting flights tracked on Booked AI.
The average flight time to Seattle is approximately 17 hours and 25 minutes, though this varies by origin city.
How much do flights to Seattle cost? The cheapest flights to Seattle start from $167. Compare prices from 80 cities on Booked AI.
How long are flights to Seattle? Flight times to Seattle vary by origin. The average duration across 80 routes is approximately 17 hours and 25 minutes.
Prices sourced via Duffel and updated regularly. All fares shown are indicative one-way prices in AUD and may vary at time of booking. Booked AI is an IATA-accredited travel platform.