Cheap Flights from Seattle, WA to San Diego, CA from $92

Return flight: San Diego – Seattle

On Cheapflightsplus.com you will find 17 direct and 108 connecting flights from Seattle to San Diego. You can compare airfare deals from 6 airlines and multiple travel sites from $92, book and save on cheap plane tickets and last minute offers. Also check out SEA-SAN flight schedule to find best flight time, convenient departure and arrival airports.

Flight Information

Below we will explain in detail what the flights cost on the destination from Seattle to San Diego depends on and how to choose the most interesting flight option for you.

Distance between Seattle and San Diego is 1692 miles. Time difference between the cities is 0h. Airplanes depart 00:25 to 23:59 from 3 Seattle airports and arrive 00:25 to 23:59 to 11 San Diego airports. Average flight time is 2h 50m.

  • The fastest flight 2h 46m
  • Average flight time 2h 50m
  • The earliest flight 00:25
  • The latest flight 23:59
  • Distance 1052 ml

The cheapest months to travel to San Diego are october (from 89 $), august (from 95 $), july (from 100 $).

The most expensive months are november (from 114 $), june (from 110 $), may (from 109 $).

What is the lowest airfare Seattle to San Diego?

The cheapest plane ticket found by our users is $92. This airfare is for economy class on one-way AS939 flight by Alaska Airlines for October 7, 2025 which leaves Seattle-Tacoma Intl in Seattle at 19:15 am and arrives at San Diego San Diego at 22:06.

Economy class
$92
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Business class
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First class
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Flight Schedule Seattle (Washington) to San Diego (California)

05:25 — 10:00
4h 35m flight time
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from$95
05:25 — 06:20 Seattle — Portland
HA6833 Hawaiian Airlines
1h 5m stop
07:25 — 10:00 Portland — San Diego
HA6384 Hawaiian Airlines
06:00 — 08:53
2h 53m flight time
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from$100
Seattle — San Diego
HA6884 Hawaiian Airlines
06:00 — 08:53
2h 53m flight time
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from$105
Seattle — San Diego
AS1109 Alaska Airlines
07:05 — 09:58
2h 53m flight time
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from$161
Seattle — San Diego
AS1367 Alaska Airlines
09:53 — 12:45
2h 52m flight time
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from$156
Seattle — San Diego
HA6875 Hawaiian Airlines
09:53 — 12:45
2h 52m flight time
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from$161
Seattle — San Diego
AS650 Alaska Airlines
11:51 — 14:45
2h 54m flight time
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from$156
Seattle — San Diego
HA6871 Hawaiian Airlines
11:51 — 14:45
2h 54m flight time
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from$161
Seattle — San Diego
AS621 Alaska Airlines
13:44 — 16:33
2h 49m flight time
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from$156
Seattle — San Diego
HA6880 Hawaiian Airlines
13:44 — 16:33
2h 49m flight time
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from$161
Seattle — San Diego
AS765 Alaska Airlines
16:30 — 19:16
2h 46m flight time
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from$156
Seattle — San Diego
HA6877 Hawaiian Airlines
17:40 — 20:30
2h 50m flight time
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from$192
Seattle — San Diego
HA6874 Hawaiian Airlines
19:15 — 22:06
2h 51m flight time
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from$92
Seattle — San Diego
AS939 Alaska Airlines
19:55 — 22:42
2h 47m flight time
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from$156
Seattle — San Diego
HA6603 Hawaiian Airlines
21:20 — 00:10+1day
2h 50m flight time
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from$135
Seattle — San Diego
AS1369 Alaska Airlines
Full flight schedule will help you in detecting at what time planes fly from Seattle to San Diego. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
*Departure and arrival times - local. Updated on November 21, 2025.

Popular Airlines on the Route

The flight Seattle — San Diego is served by 6 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 61 departures per week at the price of from $ 92 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 6163.

Direct flights

There are 17 nonstop flights on the route. The fastest direct flight is HA6877 by Hawaiian Airlines takes 2h 46m and the cheapest is AS939 by Alaska Airlines for $92.

  • AS - Alaska Airlines
    from $92
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  • HA - Hawaiian Airlines
    from $100
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Connecting Flights

There are 108 flights with layovers on the route. The fastest connecting flight is HA6838 by Hawaiian Airlines takes 4h 14m and the cheapest is AS939 by Alaska Airlines for $95.

  • AS - Alaska Airlines
    from $104
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  • F9 - Frontier Airlines
    from $104
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  • SY - Sun Country Airlines
    from $270
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  • HA - Hawaiian Airlines
    from $95
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  • UA - United Airlines
    from $140
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  • NK - Spirit Airlines
    from $100
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Airports

You can fly from Seattle to San Diego from 3 airports (Boeing Field International Airport, Seattle-Tacoma Intl, Kenmore Air Harbor SPB).

Seattle airports

  • Boeing Field International Airport-BFI
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  • Seattle-Tacoma Intl-SEA
    from $92
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  • Kenmore Air Harbor SPB-LKE
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San Diego airports

  • San Diego-SAN
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  • San Diego Regional-USA
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  • Gillespie Field-SEE
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  • Golden Triangle Reg.-GTR
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  • El Cajon-CJN
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  • Lowndes County-UBS
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  • Miramar NAS-NKX
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  • Montgomery Field-MYF
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  • North Island NAS-NZY
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  • Brown Field Municipal-SDM
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  • AFB-CBM
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How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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