Compare fares on the medium-haul flight from Seattle to San Diego — a southbound route of about 1,052 miles, typically flown nonstop in around 2h 35m.
Distance
1,052 mi
1,693 km
Est. flight time
2h 35m
nonstop
Nonstop service
Available
3 carriers
Time difference
Same time zone
San Diego
Flights from Seattle Tacoma International Airport (SEA) to San Diego International Airport (SAN) cover roughly 1,052 miles (1,693 km) on a southbound heading, a nonstop flight of about 2h 35m. San Diego is in the same time zone as Seattle. It's served by 3 airlines.
Lets Fly Travel compares live fares across hundreds of airlines to find the best deal on this route — and every booking is reviewed by a real travel agent before ticketing.
Carriers that have operated nonstop service between SEA and SAN include:
Airline availability and fares change over time — search your dates for current options.
Fare patterns and travel conditions vary by season. Here's what to expect on the SEA–SAN route throughout the year.
Jan–Feb
Winter weekdays on the Seattle–San Diego route are often lightly booked — a good window for budget-conscious travelers.
Mar–May
Spring demand picks up, especially around school break periods. Searching Tuesday–Thursday departures usually surfaces the cheapest fares.
Jun–Aug
Summer travel is busy on this medium-haul flight. Booking 3–5 weeks out and avoiding Friday/Sunday departures helps keep costs down.
Sep–Oct
Post-summer shoulder period often brings the lowest fares on the SEA–SAN route. Weather is usually still pleasant at both ends.
Nov–Dec
Holiday travel between Seattle and San Diego books up fast. Set a fare alert and book as soon as you confirm your plans.
San Diego is served by San Diego International Airport (IATA: SAN , ICAO: KSAN). Allow time for baggage claim and ground transportation after landing.
IATA Code
SAN
Flight Time
~2h 35m
Distance
1,052 mi
tips_and_updates Arrival tips
Live fares across hundreds of airlines.