Cheap Flights from Seattle, WA to San Diego, CA from $85

Return flight: San Diego – Seattle

On Cheapflightsplus.com you will find 14 direct and 39 connecting flights from Seattle to San Diego. You can compare airfare deals from 3 airlines and multiple travel sites from $85, 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.

Find One-Way and Round-Trip Seattle to San Diego Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $85 (one-way), $146 (round-trip).
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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 Arrival Flight Details Flight Duration Price
06:32 — 12:00
06:32 — 09:01 HA6759 Hawaiian Airlines
Seattle — Las Vegas
1h 42m stop
10:43 — 12:00 HA4979 Hawaiian Airlines
Las Vegas — San Diego
5h 28m
including layover
Find flight
from$109
06:32 — 12:00
06:32 — 09:01 AS704 Alaska Airlines
Seattle — Las Vegas
1h 42m stop
10:43 — 12:00 AS2011 Alaska Airlines
Las Vegas — San Diego
5h 28m
including layover
Find flight
from$119
07:05 — 09:58
07:05 — 09:58 AS1367 Alaska Airlines
Seattle — San Diego
2h 53m
Find flight
from$155
09:53 — 12:45
09:53 — 12:45 HA6875 Hawaiian Airlines
Seattle — San Diego
2h 52m
Find flight
from$150
09:53 — 12:45
09:53 — 12:45 AS650 Alaska Airlines
Seattle — San Diego
2h 52m
Find flight
from$155
11:51 — 14:45
11:51 — 14:45 HA6871 Hawaiian Airlines
Seattle — San Diego
2h 54m
Find flight
from$150
11:51 — 14:45
11:51 — 14:45 AS621 Alaska Airlines
Seattle — San Diego
2h 54m
Find flight
from$155
13:44 — 16:33
13:44 — 16:33 HA6880 Hawaiian Airlines
Seattle — San Diego
2h 49m
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from$85
13:44 — 16:33
13:44 — 16:33 AS765 Alaska Airlines
Seattle — San Diego
2h 49m
Find flight
from$155
16:30 — 19:16
16:30 — 19:16 HA6877 Hawaiian Airlines
Seattle — San Diego
2h 46m
Find flight
from$150
16:30 — 19:16
16:30 — 19:16 AS697 Alaska Airlines
Seattle — San Diego
2h 46m
Find flight
from$155
17:40 — 20:30
17:40 — 20:30 HA6874 Hawaiian Airlines
Seattle — San Diego
2h 50m
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from$185
19:55 — 22:42
19:55 — 22:42 HA6603 Hawaiian Airlines
Seattle — San Diego
2h 47m
Find flight
from$150
19:55 — 22:42
19:55 — 22:42 AS117 Alaska Airlines
Seattle — San Diego
2h 47m
Find flight
from$155
21:20 — 00:10
+1 day
21:20 — 00:10 AS1369 Alaska Airlines
Seattle — San Diego
2h 50m
Find flight
from$130
*Departure and arrival times - local. Updated on September 16, 2025

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 05:20 to 23:20 from 3 Seattle airports and arrive 05:20 to 23:20 to 11 San Diego airports. Average flight time is 2h 50m.

  • The fastest flight 2h 46m
  • Average flight time 2h 50m
  • The earliest flight 05:20
  • The latest flight 23:20
  • Distance 1052 ml

The cheapest months to travel to San Diego are october (from 85 $), august (from 96 $), november (from 109 $).

The most expensive months are june (from 162 $), july (from 157 $), november (from 109 $).

What is the lowest airfare Seattle to San Diego?

The cheapest plane ticket found by our users is $85. This airfare is for economy class on one-way HA6880 flight by Hawaiian Airlines for October 7, 2025 which leaves Seattle-Tacoma Intl in Seattle at 13:44 am and arrives at San Diego San Diego at 16:33.

Economy class
$85
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Business class
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First class
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Popular Airlines on the Route

The flight Seattle — San Diego is served by 3 regular airlines and 1 low-cost airline. Most of the flights on this route are operated by Alaska Airlines - 31 departures per week at the price of from $ 119 . And the most expensive tickets are offered by Hawaiian Airlines airline - from $ 642.

Direct flights

There are 14 nonstop flights on the route. The fastest direct flight is HA6877 by Hawaiian Airlines takes 2h 46m and the cheapest is HA6880 by Hawaiian Airlines for $85.

  • AS - Alaska Airlines
    from $130
    Find
  • HA - Hawaiian Airlines
    from $85
    Find
See more direct flights

Connecting Flights

There are 39 flights with layovers on the route. The fastest connecting flight is HA6838 by Hawaiian Airlines takes 4h 14m and the cheapest is HA6880 by Hawaiian Airlines for $109.

  • AS - Alaska Airlines
    from $119
    Find
  • SY - Sun Country Airlines
    from $329
    Find
  • HA - Hawaiian Airlines
    from $109
    Find
See more connecting flights

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
    Find
  • Seattle-Tacoma Intl-SEA
    from $85
    Find
  • 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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