Cheap Flights from Seattle, WA to San Diego, CA from $104

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On Cheapflightsplus.com you will find 2 direct and 28 connecting flights from Seattle to San Diego. You can compare airfare deals from 4 airlines and multiple travel sites from $104, 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: $104 (one-way), $178 (round-trip).

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Best Flights from Seattle to San Diego Today

Take a look at the list of non stop flights and flights with layovers from Seattle to San Diego with the lowest price of $104. The fastest direct flight takes 2h 53m and the fastest connecting – 4h 19m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $104 Find flight	06:00 Seattle Seattle-Tacoma Intl	08:53 San Diego San Diego	2h 53m	Hawaiian Airlines	HA6884
from $109 Find flight	06:00 Seattle Seattle-Tacoma Intl	08:53 San Diego San Diego	2h 53m	Alaska Airlines	AS1109
from $104 Find flight	17:30 Seattle Seattle-Tacoma Intl	09:55+1 день San Diego San Diego	16h 25m layover 12h 42m - Las Vegas	Spirit Airlines	NK1682 NK1154
from $129 Find flight	16:50 Seattle Seattle-Tacoma Intl	21:19 San Diego San Diego	4h 29m layover 0h 47m - San Jose	Alaska Airlines	AS1200 AS3443
from $130 Find flight	21:18 Seattle Seattle-Tacoma Intl	08:21+1 день San Diego San Diego	11h 3m layover 6h 59m - Las Vegas	Hawaiian Airlines	HA6757 HA6133
from $130 Find flight	07:14 Seattle Seattle-Tacoma Intl	12:01 San Diego San Diego	4h 47m layover 0h 35m - Salt Lake City	Alaska Airlines	AS430 AS3380
from $130 Find flight	15:42 Seattle Seattle-Tacoma Intl	20:52 San Diego San Diego	5h 10m layover 1h 13m - Las Vegas	Alaska Airlines	AS600 AS3428
from $145 Find flight	07:00 Seattle Seattle-Tacoma Intl	12:48 San Diego San Diego	5h 48m layover 1h 50m - San Francisco	United Airlines	UA714 UA369
from $150 Find flight	21:40 Seattle Seattle-Tacoma Intl	09:02+1 день San Diego San Diego	11h 22m layover 7h 21m - San Francisco	Hawaiian Airlines	HA6897 HA7020
from $156 Find flight	05:10 Seattle Seattle-Tacoma Intl	10:12 San Diego San Diego	5h 2m layover 1h 13m - San Francisco	United Airlines	UA706 UA1483
from $157 Find flight	14:50 Seattle Seattle-Tacoma Intl	20:50 San Diego San Diego	6h 0m layover 2h 4m - San Francisco	United Airlines	UA1620 UA2633
from $161 Find flight	09:50 Seattle Seattle-Tacoma Intl	15:06 San Diego San Diego	5h 16m layover 1h 16m - San Francisco	United Airlines	UA1470 UA1259
from $163 Find flight	05:10 Seattle Seattle-Tacoma Intl	12:48 San Diego San Diego	7h 38m layover 3h 48m - San Francisco	United Airlines	UA706 UA369
from $167 Find flight	07:00 Seattle Seattle-Tacoma Intl	11:52 San Diego San Diego	4h 52m layover 1h 12m - San Jose	Alaska Airlines	AS1226 AS3499
from $168 Find flight	12:01 Seattle Seattle-Tacoma Intl	16:36 San Diego San Diego	4h 35m layover 0h 55m - Sacramento	Alaska Airlines	AS1216 AS3439
from $181 Find flight	15:58 Seattle Seattle-Tacoma Intl	21:19 San Diego San Diego	5h 21m layover 1h 41m - Eugene	Alaska Airlines	AS2024 AS3396

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on August 08, 2025

Flight Schedule Seattle (Washington) to San Diego (California)

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	Flight Details	Flight Duration	Price
06:00 — 08:53	06:00 — 08:53 HA6884 Hawaiian Airlines Seattle — San Diego	2h 53m	Find flight from$104
06:00 — 08:53	06:00 — 08:53 AS1109 Alaska Airlines Seattle — San Diego	2h 53m	Find flight from$109
00:25 — 08:29	00:25 — 06:20 AS542 Alaska Airlines Seattle — Dallas 1h 6m stop 07:26 — 08:29 AS4111 Alaska Airlines Dallas — San Diego	8h 4m including layover	Find flight from$6400
05:10 — 10:12	05:10 — 07:22 UA706 United Airlines Seattle — San Francisco 1h 13m stop 08:35 — 10:12 UA1483 United Airlines San Francisco — San Diego	5h 2m including layover	Find flight from$156
05:10 — 12:48	05:10 — 07:22 UA706 United Airlines Seattle — San Francisco 3h 48m stop 11:10 — 12:48 UA369 United Airlines San Francisco — San Diego	7h 38m including layover	Find flight from$163
07:00 — 12:48	07:00 — 09:20 UA714 United Airlines Seattle — San Francisco 1h 50m stop 11:10 — 12:48 UA369 United Airlines San Francisco — San Diego	5h 48m including layover	Find flight from$145
07:14 — 12:01	07:14 — 10:16 AS430 Alaska Airlines Seattle — Salt Lake City 35m stop 10:51 — 12:01 AS3380 Alaska Airlines Salt Lake City — San Diego	4h 47m including layover	Find flight from$130
09:50 — 15:06	09:50 — 12:09 UA1470 United Airlines Seattle — San Francisco 1h 16m stop 13:25 — 15:06 UA1259 United Airlines San Francisco — San Diego	5h 16m including layover	Find flight from$161
10:40 — 16:09	10:40 — 13:19 AS738 Alaska Airlines Seattle — Las Vegas 1h 30m stop 14:49 — 16:09 AS3336 Alaska Airlines Las Vegas — San Diego	5h 29m including layover	Find flight from$181
12:01 — 16:36	10:09 — 12:02 AS1216 Alaska Airlines Seattle — Sacramento 55m stop 15:25 — 17:00 AS3439 Alaska Airlines Sacramento — San Diego	4h 35m including layover	Find flight from$168
12:09 — 16:52	12:09 — 14:29 AS1114 Alaska Airlines Seattle — San Jose 48m stop 15:17 — 16:52 AS3429 Alaska Airlines San Jose — San Diego	4h 43m including layover	Find flight from$192
13:03 — 17:22	11:20 — 12:18 HA6826 Hawaiian Airlines Seattle — Portland 58m stop 14:43 — 17:14 HA6386 Hawaiian Airlines Portland — San Diego	4h 19m including layover	Find flight from$327
14:50 — 20:50	14:50 — 17:06 UA1620 United Airlines Seattle — San Francisco 2h 4m stop 19:10 — 20:50 UA2633 United Airlines San Francisco — San Diego	6h including layover	Find flight from$157
15:42 — 20:52	15:42 — 18:16 AS600 Alaska Airlines Seattle — Las Vegas 1h 13m stop 19:29 — 20:52 AS3428 Alaska Airlines Las Vegas — San Diego	5h 10m including layover	Find flight from$130
15:58 — 21:19	15:58 — 17:08 AS2024 Alaska Airlines Seattle — Eugene 1h 41m stop 18:49 — 21:19 AS3396 Alaska Airlines Eugene — San Diego	5h 21m including layover	Find flight from$181
16:50 — 21:19	16:50 — 19:00 AS1200 Alaska Airlines Seattle — San Jose 47m stop 19:47 — 21:19 AS3443 Alaska Airlines San Jose — San Diego	4h 29m including layover	Find flight from$129
17:30 — 09:55 +1 day	17:30 — 19:58 NK1682 Spirit Airlines Seattle — Las Vegas 12h 42m stop 08:40 — 09:55 NK1154 Spirit Airlines Las Vegas — San Diego	16h 25m including layover	Find flight from$104
17:30 — 17:55 +1 day	17:30 — 19:58 NK1682 Spirit Airlines Seattle — Las Vegas 20h 40m stop 16:38 — 17:55 NK1150 Spirit Airlines Las Vegas — San Diego	24h 25m including layover	Find flight from$104
19:15 — 00:05 +1 day	19:15 — 20:08 AS2011 Alaska Airlines Seattle — Portland 1h 22m stop 21:30 — 00:05 AS1162 Alaska Airlines Portland — San Diego	4h 50m including layover	Find flight from$265
19:34 — 00:15 +1 day	19:34 — 21:50 UA1944 United Airlines Seattle — San Francisco 45m stop 22:35 — 00:15 UA2861 United Airlines San Francisco — San Diego	4h 41m including layover	Find flight from$599
21:18 — 08:21 +1 day	21:18 — 23:59 HA6757 Hawaiian Airlines Seattle — Las Vegas 6h 59m stop 07:00 — 08:21 HA6133 Hawaiian Airlines Las Vegas — San Diego	11h 3m including layover	Find flight from$130
21:40 — 09:02 +1 day	21:40 — 23:58 HA6897 Hawaiian Airlines Seattle — San Francisco 7h 21m stop 07:20 — 09:02 HA7020 Hawaiian Airlines San Francisco — San Diego	11h 22m including layover	Find flight from$150
23:40 — 09:28 +1 day	23:40 — 05:40 AS328 Alaska Airlines Seattle — Chicago 1h 34m stop 07:14 — 09:28 AS4232 Alaska Airlines Chicago — San Diego	9h 48m including layover	Find flight from$446
23:58 — 10:52 +1 day	23:58 — 06:16 UA2379 United Airlines Seattle — Houston 3h 14m stop 09:30 — 10:52 UA2491 United Airlines Houston — San Diego	10h 54m including layover	Find flight from$758

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times - local. Updated on August 8, 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 00:25 to 23:58 from 3 Seattle airports and arrive 00:25 to 23:58 to 11 San Diego airports. Average flight time is 2h 53m.

The fastest flight 2h 53m
Average flight time 2h 53m
The earliest flight 00:25
The latest flight 23:58
Distance 1052 ml

The cheapest months to travel to San Diego are july (from 104 $), august (from 104 $), june (from 137 $).

The most expensive months are may (from 295 $), june (from 137 $), august (from 104 $).

What is the lowest airfare Seattle to San Diego?

The cheapest plane ticket found by our users is $104. This airfare is for economy class on one-way NK1682 flight by Spirit Airlines for July 11, 2025 which leaves Seattle-Tacoma Intl in Seattle at 17:30 am and arrives at San Diego San Diego at 17:55.

Economy class

$104

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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 4 regular airlines and 1 low-cost airline. Most of the flights on this route are operated by Alaska Airlines - 13 departures per week at the price of from $ 109 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 6400.

Direct flights

There are 2 nonstop flights on the route. The fastest direct flight is HA6884 by Hawaiian Airlines takes 2h 53m and the cheapest is NK1682 by Spirit Airlines for $104.

AS - Alaska Airlines

from $109

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HA - Hawaiian Airlines

from $104

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Connecting Flights

There are 28 flights with layovers on the route. The fastest connecting flight is HA6826 by Hawaiian Airlines takes 4h 19m and the cheapest is NK1682 by Spirit Airlines for $104.

AS - Alaska Airlines

from $129

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HA - Hawaiian Airlines

from $130

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UA - United Airlines

from $145

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NK - Spirit Airlines

from $104

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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 $104
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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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Airplanes

There are flights to San Diego from Seattle by 4 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from Seattle

You may also consider searching for discounted plane tickets to some other popular places from Seattle within United States.

Seattle — Washington D.C.

from $78

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Seattle — Las Vegas

from $62

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Seattle — New York

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Seattle — Chicago

from $73

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Seattle — Phoenix

from $67

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Seattle — San Diego

from $74

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Seattle — Los Angeles

from $53

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Seattle — Denver

from $243

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Seattle — Dallas

from $72

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Seattle — Boston

from $63

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Top International Destinations from Seattle

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

Seattle — Tokyo

from $77

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Seattle — London

from $70

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Seattle — Vancouver

from $57

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Seattle — Cancun

from $63

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Seattle — Paris

from $66

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Seattle — Toronto

from $64

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Seattle — Calgary

from $76

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Seattle — Mumbai

from $80

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Seattle — Montreal

from $68

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Seattle — Amsterdam

from $64

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How to book a plane 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.
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