Seattle (SEA) → San Diego (SAN)

1,692 km
2h 37m flight
From $220
San Diego destination photo

About Seattle to San Diego Flights

Discover the best flights from Seattle to San Diego, covering 1,692 km in approximately 2h 37m. Seattle (SEA) to San Diego (SAN) is one of the busy short-haul routes within United States. With 2 major airlines operating this route including direct flights, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Seattle to San Diego.

12-Month Price History

Flight prices from Seattle to San Diego vary significantly throughout the year. February typically offers the best deals with average prices around $305, while July sees the highest prices, averaging $515. Savvy travelers can save up to 41% by choosing their travel dates wisely.

Best Time to Fly

Cheapest Month

February

Save up to 40% on average

Most Expensive

July

Peak season pricing

Book in Advance

41 days

For best prices

Booking Tips

For the best prices on Seattle to San Diego flights, we recommend booking 64 days in advance. Domestic flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.

Airlines Serving This Route

Alaska Airlines

AS

Economy

$440

Business

$1780

First

$2510

Delta Air Lines

DL

Economy

$500

Business

$1660

First

$2320

Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.

Alternative Flight Options

Los Angeles destination photo

SeattleLos Angeles

Seattle-Tacoma International (SEA) to Los Angeles International (LAX)

Distance: 1,537 km

Average price: $331

View this route →
Tijuana destination photo

SeattleTijuana

Seattle-Tacoma International (SEA) to Tijuana International (TIJ)

Distance: 1,718 km

Average price: $465

View this route →

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Frequently Asked Questions

How long is the flight from Seattle to San Diego?

The flight time from Seattle (SEA) to San Diego (SAN) is approximately 2 hours and 37 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.

What is the distance between Seattle and San Diego?

The aerial distance between Seattle and San Diego is 1,692 kilometers (1,051 miles). This is the straight-line distance, which is used to calculate flight times.

Which airlines fly from Seattle to San Diego?

Several airlines operate flights between Seattle and San Diego, including Delta Air Lines, Alaska Airlines. Direct flights are available on this route.

What is the cheapest month to fly from Seattle to San Diego?

Based on historical data, February typically offers the lowest airfares for flights from Seattle to San Diego. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.

How far in advance should I book my flight to San Diego?

For the best prices on Seattle to San Diego flights, we recommend booking 74 days in advance. Domestic flights can sometimes offer good last-minute deals, but advance booking is usually cheaper.

Do I need a visa to travel from Seattle to San Diego?

Visa requirements depend on your nationality and the purpose of your visit. Since this is a domestic flight, no visa is required for citizens.

What is the time difference between Seattle and San Diego?

Seattle operates on America/Los_Angeles time zone, while San Diego is in the America/Los_Angeles time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.