LAX to SEA: Discover the Best Flight Deals to Seattle
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Last updated Feb 16, 2026
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Tracking the May 7, 2026 departure — the cheapest date we found.
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Los Angeles (LAX)
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Seattle (SEA)
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Search FlightsTraveling from the bustling sun-drenched streets of Southern California to the lush, emerald landscapes of the Pacific Northwest is a popular journey for both business travelers and leisure seekers looking for a refreshing change of pace. Flights from Los Angeles International Airport (LAX) to Seattle-Tacoma International Airport (SEA) connect two of the West Coast's most dynamic hubs, offering a seamless transition from the high-energy entertainment capital of the world to the coffee-loving, tech-driven atmosphere of the Puget Sound region. Whether you are planning a weekend getaway to explore Pike Place Market or heading north for professional meetings at major tech headquarters, this route provides numerous daily non-stop options that cater to every traveler's unique schedule and budget requirements throughout the year.
Travel Tips
First, always check the weather twice; while Los Angeles is known for its predictable sunshine, Seattle's weather is notoriously fickle, so pack light layers and a reliable waterproof jacket regardless of the season. Second, consider using Clear or TSA PreCheck as both LAX and SEA are exceptionally busy airports with long security queues; having expedited security credentials can save you significant time, especially during the Monday morning and Friday evening commuter rushes. Third, for the most spectacular views of the journey, try to snag a window seat on the right side of the aircraft when flying north to catch a glimpse of the majestic Cascade Range and Mount Rainier as you approach the landing strip. Finally, upon arrival at SEA, consider taking the Link Light Rail, which provides an affordable and efficient transit option directly into downtown Seattle, bypassing the often heavy Interstate 5 traffic.
Airport Information
Los Angeles (LAX)
Los Angeles International Airport (LAX) serves as the primary gateway for the Southern California region and is one of the busiest airports in the world. Located along the Pacific coast, it features nine passenger terminals arranged in a U-shape. Travelers flying to Seattle will find major carriers like Alaska Airlines, Delta, and United operating frequently from various terminals. The airport offers an array of high-end dining, luxury shopping, and several premium lounges to keep passengers comfortable during their pre-flight wait.
Seattle (SEA)
Seattle-Tacoma International Airport (SEA), commonly referred to as Sea-Tac, is the primary commercial airport serving the Seattle metropolitan area. It is a major hub for Alaska Airlines and Delta Air Lines, offering modern amenities including the recently renovated North Satellite terminal. The airport is famous for its Pacific Northwest-inspired art installations and diverse food options ranging from local seafood to gourmet coffee. It is conveniently located about 14 miles south of downtown Seattle, making it accessible via various transit modes including the Link Light Rail.
Seasonal Pricing Patterns
Flight prices for the LAX to SEA route fluctuate significantly based on the time of year and regional demand. Generally, the summer months of July and August are the most expensive due to the pleasant, dry weather in Washington, which attracts a high volume of tourists. Conversely, you can often find the cheapest fares during the rainy winter months, specifically January and February, excluding the holiday season. Booking at least three weeks in advance and opting for mid-week flights on Tuesdays or Wednesdays typically results in the best savings.
Frequently Asked Questions
How long is the average flight from LAX to SEA?
The average non-stop flight duration is approximately 2 hours and 45 minutes, covering a distance of about 950 miles.
Which airlines offer non-stop flights on this route?
Major carriers including Alaska Airlines, Delta Air Lines, United Airlines, American Airlines, and Southwest Airlines all offer regular non-stop service.
Is there a time difference between Los Angeles and Seattle?
No, both Los Angeles and Seattle are located in the Pacific Time Zone, so there is no time difference between the two cities.
What is the best way to get from SEA airport to downtown Seattle?
The Link Light Rail is the most cost-effective method, though rideshare services like Uber and Lyft are widely available and take about 20-30 minutes depending on traffic.
How early should I arrive at LAX for my flight to Seattle?
It is generally recommended to arrive at least 2 hours before your scheduled departure to account for potential traffic and security screening times.