Cheap Flights from San Diego to Seattle — $43

Looking for cheap flights from San Diego to Seattle? Look no further! Our air ticket search website is here to help you find the best deals on flights between these two dynamic cities. With a quick search, you can uncover a range of affordable options, allowing you to save your hard-earned money for exploring the Emerald City. From the stunning Space Needle to the vibrant Pike Place Market, Seattle offers countless attractions for every traveler. Whether you're planning a weekend getaway or a longer adventure, our website makes it easy to compare prices and book the perfect flight that suits your budget. Start your journey today and discover the beauty of San Diego to Seattle while keeping your wallet happy.

San Diego, a vibrant coastal city in the United States, offers travelers multiple airport options for their departure. The two primary airports servicing this sunny destination are San Diego International Airport (SAN) and McClellan-Palomar Airport (CLD). San Diego International Airport (SAN) is the main hub for both domestic and international flights. Its strategic location close to downtown San Diego makes it a convenient choice for many travelers. With various transportation options available, including taxis, shuttles, and public transportation, getting to the airport is relatively easy. However, traffic congestion at peak hours might cause slight delays, so it's best to plan accordingly. The airport hosts a wide range of reputable airlines, including major carriers like American Airlines, Delta Air Lines, and Southwest Airlines, ensuring a reliable and extensive network of flight options. While costs may vary depending on the airline and destination, competitive prices can often be found, especially for domestic flights. McClellan-Palomar Airport (CLD), located in Carlsbad, is a smaller alternative for those seeking a more relaxed and efficient departure experience. Although it primarily serves general aviation and private jet travelers, some commercial airlines, such as United Express, also operate from this airport. McClellan-Palomar Airport offers a more intimate atmosphere with shorter security lines, making it ideal for those looking to breeze through the process. Travelers also benefit from reduced travel time, especially for those residing in northern San Diego County. However, it's important to note that flight options might be limited compared to San Diego International Airport, and prices can be slightly higher for certain destinations. With San Diego's diverse airport options, travelers are presented with the flexibility to choose based on their location, preferences, and flight requirements. Whether departing from the bustling San Diego International Airport or the more intimate McClellan-Palomar Airport, travelers can embark on their journey with ease, ensuring a smooth start to their travel adventure. Book your air tickets today and explore the wonders that await in and beyond San Diego!

The minimum one-way ticket price from San Diego to Seattle is $89 (May 2026), while the maximum is $134 (September 2026). On average, a ticket costs $94–$102.

The San Diego — Seattle route is served by a wide range of airlines: 6 in total, including Alaska Airlines, Grumeti Air, Hawaiian Airlines, Frontier Airlines, Southwest Airlines, and American Airlines. Competition among carriers gives passengers the opportunity to find tickets at attractive fares — with prices starting from $43. Our service helps compare all available offers within seconds and choose the most convenient option. You can filter flights by price, departure time, or baggage rules to make your trip as comfortable as possible. With so many airlines, there’s always a chance to catch special promotions and save.