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Flight Deals from Whiteman Airport to Boeing Field King County International Airport

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Yearly Good Deal Price

Flights from Los Angeles to Seattle are most expensive in late June during peak summer, while early January offers the lowest prices.

When planning your flight from Los Angeles to Seattle, you'll find that prices typically peak during the summer months, particularly in late June when rates can be notably high. After an increase in prices during spring, the highest average fares often occur around this time, with sharp drops following in early January and early March, marking respectively the lowest price windows. The high season generally runs from late June through August, with prices reaching extremes above $270, while the low season occurs in January and early March, with fares dropping to around $175. This yearly cycle highlights the importance of planning ahead to secure the best deals.

Best Time to Book

Book your Los Angeles to Seattle flight 49 to 61 days in advance for the best prices; avoid booking last minute as costs can rise significantly.

When planning your trip from Los Angeles to Seattle, aim to book your flight approximately 49 to 61 days before departure to secure the best prices, which can be as low as $204. The optimal booking window is around 58 days prior, as prices rise significantly if you wait longer. Between 45 and 20 days before departure, prices tend to increase, and waiting until the final days can lead you to pay up to $335, nearly 67% more than the lowest fares. So, book early and avoid last-minute purchases to get the best deal.