Flight Deals from Chicago Executive Airport to Seattle
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Yearly Good Deal Price
Flying from Chicago to Seattle is cheapest in late February and most expensive in early July, with significant seasonal price variations.
When flying from Chicago to Seattle, you'll find that ticket prices vary significantly throughout the year. The most expensive time to fly is in early July, where prices peak at around $422. Conversely, late February offers a lower price point, dipping to approximately $248. High season typically spans late May to early September, with prices often hovering between $351 and $422, while low season runs from early February to mid-March, featuring prices under $351. Be aware that abrupt pricing changes occur around mid-March and early September, aligning with peak travel periods.
Best Time to Book
Book your flight from Chicago to Seattle 32 days before departure for the best prices, as rates rise significantly afterward.
For your trip from Chicago to Seattle, the best time to buy is around 32 days before your departure, when prices are at their lowest, typically around $207. If you wait until closer to your travel date, especially within 5 days of departure, prices can rise sharply to $288 and potentially spike to $309. It's advisable to avoid booking too early as prices can reach about $324, which is significantly higher. If your travel date is approaching and you're still over 32 days out, booking as soon as possible is recommended to secure the best rates.
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