There are most likely no direct flights on the San Diego — Seattle route
Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from San Diego to Seattle. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
A non-stop flight is the most convenient and comfortable way to fly from San Diego to Seattle, despite the fact that sometimes flights with transfers can cost significantly less.
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Answers to questions about the route that travelers are most interested in.
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There are most likely no direct flights on the San Diego — Seattle route
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 $90 (June 2026), while the maximum is $99 (August 2026). On average, a ticket costs $95–$196.
On the San Diego — Seattle route, ticket prices are stable. Whichever month you choose, the difference will be minimal.
There is a slight difference: it's a bit cheaper in June 2026–August 2026 (averaging $94) and slightly more in August 2026–November 2026 ($98). But overall, the difference is small.
On this route, you don't need to target specific months — prices are stable. The difference between the cheapest and most expensive period is only 4%. Book whenever it's convenient.
Monthly price variation is just 4.3%. Ticket costs on this route are among the most predictable.
We couldn't find any special offers for flights from San Diego to Seattle
San Diego — Seattle
07/22/2026
Departure
Direct flight
WN2328
starting at $180
starting at $95
The route San Diego — Seattle is served by a single airline — Southwest Airlines. This means that when planning your trip, you won’t need to spend time choosing between dozens of carriers: all flights are operated by one provider, which simplifies the booking process. Despite the limited choice, passengers can still plan ahead, select optimal departure dates, and buy tickets at the lowest price — from $95. Using our service, you can quickly compare available Southwest Airlines flights and book a seat in advance at a favorable rate.
The cheapest flight ticket from San Diego to Seattle according to data for the last 48 hours costs $95
Often the best time to buy tickets from San Diego to Seattle is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from San Diego to Seattle can be found flying in these months: June, November, August.
The fastest flights from San Diego to Seattle start from 4 hours 35 minutes in the air.
The following airlines operate direct flights on the route San Diego — Seattle: Southwest Airlines
The cheapest one-way flight from San Diego to Seattle departs on 07/22/2026, is operated by Southwest Airlines and costs $95
The cheapest roundtrip flight from San Diego to Seattle departs on 08/21/2026, is operated by Alaska Airlines and costs $169
Fastest flight from San Diego to Seattle takes 4h 35m
There are direct flights on this route 1 day a week: We
The distance between San Diego and Seattle is 1712km (1061 miles). San Diego and Seattle are in the same time zone