Cheapest flights for Seattle – San Diego (SEA – SAN)

Aviasales.ge will find you the cheapest airfare for Seattle – San Diego by comparing the ticket prices to San Diego using 45 agencies, five booking systems, and 728 airlines. Where exactly you buy your tickets for Seattle – San Diego is up to you.

Seattle – San Diego is most popular in February, March and April. During this period the average ticket price is 777.

In the off-season – in February, March and April ticket prices drop to an average of 777.

Direct flight for from Seattle to San Diego

The easiest way to to get to your destination is a direct flight. Direct flights for from Seattle to San Diego are offered by:

  • Alaska Airlines (daily AS1142)
  • Delta Air Lines (daily DL2533)
  • Southwest Airlines (3 days per week, flight WN4619)

Diego is served by 2 airports: McClellan-Palomar Airport and San Diego International Airport. Direct flights for Seattle – San Diego are operated by:
  • Alaska Airlines, Delta Air Lines, Frontier Airlines, Spirit Airlines, United Airlines, Southwest Airlines from Seattle-Tacoma International Airport to San Diego International Airport
Flight with layover for the route from Seattle to San Diego

An alternative option for Seattle – San Diego (round-trip) would be a flight with a layover. Prices start at 649 up to 649 .

The lowest prices for flights with layovers are offered by Southwest Airlines with a layover in San Jose. Tickets start at 616.

Affordable and convenient options are also available from:

  • Southwest Airlines (starting at 730 with a layover in Phoenix)
  • Southwest Airlines (starting at 730 with a layover in Oakland)
  • Southwest Airlines (starting at 1 838 with a layover in Sacramento)

A flight with a layover on the route Seattle – San Diego will allow you to make your trip more interesting. The layover could be in:

  • Phoenix (flight WN3735 Southwest Airlines)
  • Las Vegas (flight WN1249 Southwest Airlines)
  • San Francisco (flight UA2482 United Airlines)

This is a great chance to get to know these cities. Layovers are usually at least six hours.

Please keep in mind that depending on the number of days remaining until your departure, ticket prices for Seattle – San Diego could change by more than 95%.

Aviasales.ge suggests buying tickets for Seattle – San Diego in advance in order to choose the conditions for your flight that best suit your preferences and budget.

General information on flight Seattle – San Diego (SEA – SAN)
1,712 km
Distance
94
Number of flights per week
₾121
Lowest price
Average ticket price
05:30
Earliest flight out
21:15
Latest flight out

Ticket prices for Seattle – San Diego by month *

Month One-way Round-trip
February 2025 23.02.2025
05.02 - 09.02.2025
March 2025 17.03.2025
12.03 - 18.03.2025
April 2025 01.04.2025
05.04 - 11.04.2025

* Prices found by users over the last 48 hours (they do not represent an offer).

Cheapest flight for from Seattle to San Diego found by our users over the last 48 hours: ticket with Alaska Airlines with a departure on 17.03.2025 and a price of 220 GEL.
Fastest flight for from Seattle to San Diego: ticket with Alaska Airlines with the nearest departure on 17.03.2025 and a flight duration of 2hrs. 46min..
Airlines flying from Seattle to San Diego
Airports serving Seattle – San Diego

Seattle airports serving flights to San Diego:

  • Seattle-Tacoma International Airport (SEA)

San Diego airports accepting flights from Seattle:

  • San Diego International Airport (SAN)