$45 CHEAP FLIGHTS to Seattle in 2026 | KAYAK Based on KAYAK data, the cheapest day to fly to Seattle is Friday where round-trip tickets can be as cheap as $395 On the other hand, the most expensive day to fly is Sunday, where round-trip prices are $529 on average
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Cheap Flights - Cheap Airline Tickets Flight Booking Check Out Our Seattle Deals! Book cheap, discounted prices on airline tickets at CheapFareGuru on most airlines worldwide Call our travel experts 24x7x365 for help and great deals * Displayed fares were last updated on Mar 26, 2026 at 04:16:36 AM Fares are based on historical data, are subject to change and cannot be guaranteed at the time of booking Total fare round trip economy class per