Seattle to San Diego Flight Time & Schedules

What Is the Flight Duration from Seattle to San Diego?

A nonstop flight from Seattle to San Diego usually takes around 2 hours 40 minutes to 3 hours. Flights operate between Seattle-Tacoma International Airport (SEA) and San Diego International Airport (SAN), connecting the Pacific Northwest with Southern California.

The total travel duration can vary slightly depending on the airline, aircraft type, weather conditions and air traffic. For travellers looking for the quickest option, nonstop flights provide a convenient way to complete the journey without the additional waiting time and transfers involved with connecting routes.

What Is the Average Direct Flight Duration from Seattle to San Diego?

Direct flights from Seattle to San Diego generally take around 2 hours 50 minutes.
The scheduled flight duration may vary depending on the direction of travel, seasonal schedules and operating conditions. Flights along the US West Coast are relatively short, making nonstop services a popular choice for both business and leisure travellers.
A nonstop SEA to SAN service allows passengers to complete the journey on a single aircraft without changing planes, offering a smoother domestic travel experience.

A nonstop flight from Seattle-Tacoma International Airport (SEA) to San Diego International Airport (SAN) typically takes approximately 2 hours 40 minutes to 3 hours.

Direct services provide the simplest travel option by avoiding layovers, additional boarding procedures and extended waiting times at connecting airports.

Nonstop flights operate frequently on this route, although schedules may vary depending on airline operations and travel dates.

Travellers can also choose connecting flights between Seattle and San Diego through major US airports.

Some faster one-stop itineraries may take approximately:

Around 4 hours via Los Angeles
Around 4 hours 30 minutes via San Francisco
Around 5 hours via Denver
Around 5 hours 15 minutes via Phoenix

These journey times are estimated and may vary depending on the airline, connection airport and layover duration. Longer stopovers can increase the overall travel time.

One-stop flights between Seattle and San Diego may be available through several major US airports.

Common connection points include:

Los Angeles
San Francisco
Denver
Phoenix
Las Vegas

The fastest connecting route depends on the departure time, airline availability and connection duration. When comparing flights, travellers should consider the complete journey time rather than only the individual flight segments.

Seattle to San Diego Flight Duration by Route Options

Departure Airport	Arrival Airport	Route Code	Estimated Flight Time
Seattle–Tacoma International Airport (SEA)	San Diego International Airport (SAN)	SEA–SAN	Around 2 hrs 40 mins–3 hrs nonstop
Seattle–Tacoma International Airport (SEA)	San Diego International Airport (SAN) via Los Angeles	SEA–LAX–SAN	Around 4 hrs with one stop
Seattle–Tacoma International Airport (SEA)	San Diego International Airport (SAN) via San Francisco	SEA–SFO–SAN	Around 4 hrs 30 mins with one stop
Seattle–Tacoma International Airport (SEA)	San Diego International Airport (SAN) via Denver	SEA–DEN–SAN	Around 5 hrs with one stop
Seattle–Tacoma International Airport (SEA)	San Diego International Airport (SAN) via Phoenix	SEA–PHX–SAN	Around 5 hrs 15 mins with one stop

Flight times are approximate and may change depending on airline schedules, aircraft availability, weather conditions and connection duration.

Which Airlines Operate Flights from Seattle to San Diego?

Alaska Airlines

Southwest Airlines

Delta Air Lines

United Airlines

Southwest Airlines

Time Difference Between Seattle and San Diego

Seattle and San Diego both follow Pacific Time, so there is no time difference between the two cities.

For example, when it is 12:00 noon in Seattle, it is also 12:00 noon in San Diego.

Travellers do not need to adjust their schedules after arrival, making this route convenient for short trips, business travel and weekend getaways.

Explore More Flight Times & Routes

Planning beyond this route? Explore more flight times, distances, and travel durations using our tools below.

Start with our Flight Time Calculator to estimate journey times worldwide, or browse average travel times from your departure city using the Seattle Flight Times.