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Flight Deals from North Las Vegas Airport to Boeing Field King County International Airport

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Yearly Good Deal Price

Flights from Las Vegas to Seattle are cheapest in January and mid-October, while peak prices occur in late March to mid-April and late December.

When planning your flight from Las Vegas to Seattle, consider that ticket prices fluctuate significantly throughout the year. The most expensive times to fly are during late March to mid-April and late December, with peak prices reaching their highest around late June. Conversely, January and mid-October present the lowest prices, often dipping below $145. The transition to higher prices begins abruptly in late March, reflecting the start of the spring travel season, while the low-price season typically runs from January through early February, allowing for considerable savings.

Best Time to Book

Book your Las Vegas to Seattle flight 24 to 33 days in advance for the best prices.

When planning your trip from Las Vegas to Seattle, aim to book your flight between 24 and 33 days prior to departure for the best prices. Prices are most affordable around 27 days in advance, typically starting around $148. Booking any earlier than this may result in higher fares, with prices potentially peaking at $273, a significant increase. After the 20-day mark, expect a sharp rise in prices, escalating from approximately $159 to potentially $300 as departure nears. To avoid these spikes, be sure to secure your ticket at least 20 days ahead.