Los Angeles to Seattle is one of the busiest West Coast air routes in the United States, connecting Southern California with the Pacific Northwest. The route is popular with business travellers, technology professionals, cruise passengers, students, outdoor enthusiasts, and families travelling year-round. Seattle is home to global companies such as Amazon, Microsoft, Boeing, and Starbucks while also serving as the gateway to Alaska cruises and Washington's national parks. With numerous nonstop flights operating daily, Travobooker helps you compare fares across leading airlines so you can find the flight that best matches your travel plans.

Flight Duration

Direct flights from Los Angeles to Seattle typically take between 2 hours 40 minutes and 3 hours, depending on the airline, aircraft type, weather conditions, and air traffic. Connecting flights generally take between 4 and 7 hours, depending on the stopover airport and layover duration.

Los Angeles Departure Airport

Flights to Seattle primarily depart from Los Angeles International Airport (LAX), Southern California's largest airport and one of the busiest airports in the world.

LAX offers extensive passenger facilities including airline lounges, shopping, restaurants, rental car services, airport hotels, and excellent transport links through the Metro K Line, FlyAway buses, taxis, ride-hailing services, and airport shuttles.

Travellers from across Southern California frequently choose LAX because of its wide selection of airlines and frequent daily departures.

Seattle Arrival Airport

Flights arrive at Seattle Tacoma International Airport (SEA), the primary airport serving Seattle and the surrounding Puget Sound region.

Seattle Tacoma International Airport offers convenient access to Downtown Seattle, Bellevue, Redmond, Tacoma, Everett, and surrounding communities through the Link light rail, rental cars, airport shuttles, taxis, ride-hailing services, and regional bus services.

The airport also serves as one of the busiest gateways for Alaska cruises during the summer season and provides onward connections across the Pacific Northwest, Alaska, Canada, and Asia.

Airlines Flying Los Angeles to Seattle

Several airlines operate nonstop and connecting flights between Los Angeles and Seattle throughout the year.

Nonstop Airlines

Alaska Airlines
Delta Air Lines
American Airlines
United Airlines
Southwest Airlines
Spirit Airlines

Connecting Airlines

Frontier Airlines
Hawaiian Airlines
Sun Country Airlines

Alaska Airlines operates one of the largest schedules on this route through its Seattle hub, while Delta Air Lines, American Airlines, United Airlines, Southwest Airlines, and Spirit Airlines also provide multiple daily nonstop services.

Best Time to Visit Seattle

Seattle is a destination that can be enjoyed throughout the year, although June through September is generally considered the best time to visit thanks to warm temperatures, long daylight hours, and relatively dry weather.

Spring offers blooming gardens and comfortable sightseeing conditions, while autumn brings colourful scenery and fewer crowds. Winter is popular for holiday events and provides convenient access to nearby ski resorts in the Cascade Mountains.

Tips for Booking Cheap Flights from Los Angeles to Seattle

Los Angeles to Seattle is a competitive domestic route with numerous flights operating every day.

Booking your flight one to three months before departure generally provides the best combination of availability and pricing. If you're travelling during the summer cruise season, major holidays, or school vacation periods, booking earlier is recommended.

Tuesday, Wednesday, and Saturday departures often offer lower fares than Friday and Sunday flights.

Compare departure times throughout the day, as early morning and late evening flights sometimes provide better value.

If you're travelling to board an Alaska cruise, consider arriving at least one day before your departure to allow extra time in case of weather or operational delays.

Before selecting the lowest fare, review baggage allowances, seat selection policies, and ticket flexibility, especially when comparing basic economy fares.

Travobooker also offers eligible travellers a flexible payment option. Pay 50% of your fare when booking and pay the remaining balance up to 72 hours before departure, helping you secure your preferred fare while spreading the cost.

Why Book Los Angeles to Seattle Flights on Travobooker

Travobooker makes it easy to compare Los Angeles to Seattle flights from leading airlines in one place. Compare departure times, baggage allowances, fare types, airline services, and cabin options before selecting the itinerary that best matches your travel plans.

Displayed fares include applicable taxes and fees, providing transparent pricing throughout the booking process. Eligible bookings can also take advantage of Travobooker's flexible payment option, allowing you to spread the cost of your booking.

Frequently Asked Questions

How long is the flight from Los Angeles to Seattle?

A nonstop flight usually takes between 2 hours 40 minutes and 3 hours, depending on the airline, weather conditions, and air traffic.

Which airlines fly nonstop from Los Angeles to Seattle?

Alaska Airlines, Delta Air Lines, American Airlines, United Airlines, Southwest Airlines, and Spirit Airlines all operate nonstop flights between Los Angeles and Seattle.

Which airport serves Seattle?

Most flights arrive at Seattle Tacoma International Airport (SEA), the primary airport serving Seattle and the wider Puget Sound region.

Is Seattle a good departure point for Alaska cruises?

Yes. Seattle is one of North America's largest cruise ports for Alaska itineraries, with many cruise lines operating seasonal sailings between May and September.

When is the cheapest time to fly from Los Angeles to Seattle?

Travellers often find lower fares during January, February, and October, while prices generally increase during the summer cruise season, Thanksgiving, Christmas, and other major holiday periods.

Is public transportation available from Seattle Tacoma International Airport?

Yes. The Link light rail connects Seattle Tacoma International Airport directly with Downtown Seattle, offering an affordable and convenient way to travel into the city.

Can I book a one-way flight from Los Angeles to Seattle?

Yes. Travobooker allows you to compare and book both one-way and round-trip flights between Los Angeles and Seattle.

Can I pay later for my Los Angeles to Seattle flight?

Yes. Eligible Travobooker bookings allow you to pay 50% at the time of booking and pay the remaining balance up to 72 hours before departure.