Cheap flights Seattle — San Diego (SEA — SAN)

Good to know - Cheap tickets Seattle — San Diego

Cheapest flight found $37
Minimal flight time 2h 44m
Flight distance 1712 km
Most popular airline Delta Connection

Airfare Seattle – San Diego by month

Here you can find out in what months how much a ticket Seattle – San Diego costs to buy cheap plane tickets.

Month One-way Round-trip
January 2026
December 2025
November 2025
October 2025
September 2025
August 2025
July 2025
June 2025
May 2025
April 2025
March 2025
February 2025

Remember that the optimal time for booking air tickets is 59 days before the departure date, this is the average time at which air tickets were sold at the lowest prices.

Schedule of direct flights Seattle — San Diego

Departure Arrival Flight days Flight Airlines Flight time Airports
03:38 06:23 wed AS335 AlphaSky 2h 45m Seattle-Tacoma International Airport — San Diego International Airport Select dates
07:15 10:12 wed AS1367 AlphaSky 2h 57m Seattle-Tacoma International Airport — San Diego International Airport Select dates
07:15 10:12 thu AS1367 Alaska Airlines 2h 57m Seattle-Tacoma International Airport — San Diego International Airport Select dates
07:30 10:26 mon, tue, wed, thu, fri, sun DL2508 Delta Connection 2h 56m Seattle-Tacoma International Airport — San Diego International Airport Select dates
07:30 10:14 wed AS9808 AlphaSky 2h 44m Seattle-Tacoma International Airport — San Diego International Airport Select dates
07:52 10:52 daily AS1258 Alaska Airlines 3h 0m Seattle-Tacoma International Airport — San Diego International Airport Select dates
09:45 12:38 daily DL2533 Delta Connection 2h 53m Seattle-Tacoma International Airport — San Diego International Airport Select dates
10:00 12:55 mon, thu, fri, sat, sun AS1108 Alaska Airlines 2h 55m Seattle-Tacoma International Airport — San Diego International Airport Select dates
11:25 14:11 daily DL2572 Delta Connection 2h 46m Seattle-Tacoma International Airport — San Diego International Airport Select dates
15:23 18:08 sat DL2613 Delta Connection 2h 45m Seattle-Tacoma International Airport — San Diego International Airport Select dates
All routes

Sales of tickets from Seattle to San Diego in the last 48 hours

2025-12-02 - 2025-12-06

Dynamics airfare Seattle — San Diego by month for the last year

according to LowCost.Club for the last year

The airfare depends on the departure date. Our chart shows the low season prices on route Seattle — San Diego

The graph shows that booking flights Seattle — San Diego is best planned for May and flights Seattle — San Diego — Seattle in the month of October.

Flights Seattle — San Diego

The selection of cheap flights Seattle — San Diego

Here you can find and purchase the cheapest flights Seattle — San Diego from $37 and Seattle — San Diego — Seattle from $57.

The price of the flight Seattle — San Diego (United States) — Seattle from $57 (round-trip).

The average price of the flight Seattle — San Diego (United States) — Seattle $199 (round-trip).

Low cost flights Seattle — San Diego (SEA — SAN)

The distance between Seattle and San Diego 1064 miles (or 1712 kilometres).

The time difference between Seattle and San Diego is 0 h.

Minimal flight time from Seattle to San Diego 2h 44m.

LowCostClub always do a comparison of airfares Seattle — San Diego with several airlines (include AlphaSky, Alaska Airlines, Delta Connection). They will always give you all available options so you can find the cheapest flight to San Diego. In addition, you can choose the platform where you want to place your orders. There are also special offers for air tickets Seattle — San Diego. Last week, for instance, the cheapest round-trip prices stood at $57 while the cheapest one-way price that was available within the last week cost $37

Routes from nearby cities to San Diego

A flight from a neighbouring city can help you save money on plane tickets.

Most often, flights to San Diego are from Pasco. The cheapest plane ticket to San Diego can be bought from $43 with a departure from Portland, which is also the nearest city from Seattle.

Popular International routes from Seattle

Popular routes from San Diego

If you are going to fly from San Diego, then study the popular flights. The most popular flights from San Diego:

Popular domestic routes from Seattle

FAQ about Seattle — San Diego

Yes, they do: AS335, AS1367, DL2508, AS9808, AS1258, DL2533, AS1108, DL2572, DL2613, AS697, AS1098, AS623, AS939, DL2672, AS1156

Yes, you can fly from Seattle to San Diego. Seattle has 3 airports (Boeing Field International Airport, Kenmore Air Harbor SPB, Seattle-Tacoma International Airport) for flights. AlphaSky, Alaska Airlines, Delta Connection depart from Seattle on mon, tue, wed, thu, fri, sat, sun. There are non-direct flights through Air Canada, American Eagle, Boutique Air, Breeze Airways, British Airways, DHL, FedEx, Frontier (Cali the Mountain Lion Livery), Hawaiian Airlines, Japan Airlines, Jet Linx Aviation, JetBlue, Lufthansa, NetJets, Phoenix Air, Qatar Airways, Qatar Executive, SkyWest Airlines, Southwest Airlines, Sun Country Airlines, United Express, UPS, Western Aircraft, WestJet.

A direct flight lasts an average of 2h 44m, during which time the aircraft covers a distance of 1712 km.

The price of flights Seattle — San Diego starts from $37.

Planes fly Seattle — San Diego 7 times a week on the following days: mon, tue, wed, thu, fri, sat, sun

In Seattle — Boeing Field International Airport, Kenmore Air Harbor SPB, Seattle-Tacoma International Airport. In San Diego — Montgomery Field, Miramar MS, North Island NAS, San Diego International Airport, Brown Field Municipalcipal, Gillespie Field, McClellan-Palomar Airport.

The following flights fly between Seattle and San Diego: AS335, AS1367, AS1367, DL2508, AS9808, AS1258, DL2533, AS1108, DL2572, DL2613, DL2613, AS697, AS1098, AS623, AS939, DL2672, AS1156

High season is considered to be June and the cheapest month is May. Enter your preferred airports (or cities) and dates into the search form above to unlock the latest Seattle — San Diego flight deals.

The following airlines have direct flights Seattle — San Diego: AlphaSky, Alaska Airlines, Delta Connection.

All the following airlines flights Seattle — San Diego: Air Canada, Alaska Airlines, AlphaSky, American Eagle, Boutique Air, Breeze Airways, British Airways, Delta Connection, DHL, FedEx, Frontier (Cali the Mountain Lion Livery), Hawaiian Airlines, Japan Airlines, Jet Linx Aviation, JetBlue, Lufthansa, NetJets, Phoenix Air, Qatar Airways, Qatar Executive, SkyWest Airlines, Southwest Airlines, Sun Country Airlines, United Express, UPS, Western Aircraft, WestJet.

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