Cheap Flights from Seattle, WA to San Diego, CA from $99

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On Cheapflightsplus.com you will find 2 direct and 69 connecting flights from Seattle to San Diego. You can compare airfare deals from 6 airlines and multiple travel sites from $99, 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: $99 (one-way), $170 (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 $99. 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 $99 Find flight	05:25 Seattle Seattle-Tacoma Intl	10:00 San Diego San Diego	4h 35m layover 1h 5m - Portland	Hawaiian Airlines	HA6833 HA6384
from $108 Find flight	05:25 Seattle Seattle-Tacoma Intl	10:00 San Diego San Diego	4h 35m layover 1h 5m - Portland	Alaska Airlines	AS3204 AS1074
from $109 Find flight	19:48 Seattle Seattle-Tacoma Intl	09:52+1 день San Diego San Diego	14h 4m layover 8h 42m - Denver	Frontier Airlines	F91176 F92817
from $125 Find flight	06:25 Seattle Seattle-Tacoma Intl	09:52+1 день San Diego San Diego	27h 27m layover 22h 8m - Denver	Frontier Airlines	F93406 F92817
from $130 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 $131 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 $131 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 $137 Find flight	21:40 Seattle Seattle-Tacoma Intl	07:42+1 день San Diego San Diego	10h 2m layover 6h 1m - San Francisco	Alaska Airlines	AS980 AS3310
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 $146 Find flight	21:18 Seattle Seattle-Tacoma Intl	08:21+1 день San Diego San Diego	11h 3m layover 6h 59m - Las Vegas	Alaska Airlines	AS636 AS3320
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 $151 Find flight	21:18 Seattle Seattle-Tacoma Intl	20:52+1 день San Diego San Diego	23h 34m layover 19h 28m - Las Vegas	Hawaiian Airlines	HA6757 HA6134
from $156 Find flight	15:11 Seattle Seattle-Tacoma Intl	18:10+1 день San Diego San Diego	26h 59m layover 22h 51m - Las Vegas	Frontier Airlines	F94830 F91465
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

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on July 18, 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
05:25 — 10:00	05:25 — 06:20 HA6833 Hawaiian Airlines Seattle — Portland 1h 5m stop 07:25 — 10:00 HA6384 Hawaiian Airlines Portland — San Diego	4h 35m including layover	Find flight from$99
05:25 — 10:00	05:25 — 06:20 AS3204 Alaska Airlines Seattle — Portland 1h 5m stop 07:25 — 10:00 AS1074 Alaska Airlines Portland — San Diego	4h 35m including layover	Find flight from$108
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$131
08:05 — 13:08	08:05 — 10:24 HA6903 Hawaiian Airlines Seattle — San Francisco 1h 1m stop 11:25 — 13:08 HA7004 Hawaiian Airlines San Francisco — San Diego	5h 3m including layover	Find flight from$387
08:55 — 13:15	08:55 — 09:50 HA6830 Hawaiian Airlines Seattle — Portland 50m stop 10:40 — 13:15 HA6387 Hawaiian Airlines Portland — San Diego	4h 20m including layover	Find flight from$176
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$162
09:55 — 16:52	09:55 — 12:09 AS1080 Alaska Airlines Seattle — San Jose 3h 7m stop 15:17 — 16:52 AS3429 Alaska Airlines San Jose — San Diego	6h 57m including layover	Find flight from$284
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$169
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$195
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$357
14:00 — 20:03	14:00 — 14:49 AS2354 Alaska Airlines Seattle — Portland 2h 35m stop 17:30 — 20:03 AS1122 Alaska Airlines Portland — San Diego	6h 3m including layover	Find flight from$367
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
15:11 — 18:10 +1 day	15:11 — 17:50 F94830 Frontier Airlines Seattle — Las Vegas 22h 51m stop 17:01 — 18:26 F91465 Frontier Airlines Las Vegas — San Diego	26h 59m including layover	Find flight from$156
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$131
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$130
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$177
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$177
18:02 — 00:05 +1 day	18:02 — 18:58 HA6837 Hawaiian Airlines Seattle — Portland 2h 32m stop 21:30 — 00:05 HA6426 Hawaiian Airlines Portland — San Diego	6h 3m including layover	Find flight from$256
18:50 — 11:43 +1 day	18:50 — 21:26 AS478 Alaska Airlines Seattle — Las Vegas 12h 51m stop 10:17 — 11:43 AS3314 Alaska Airlines Las Vegas — San Diego	16h 53m including layover	Find flight from$194
19:15 — 00:05 +1 day	19:15 — 20:08 HA6804 Hawaiian Airlines Seattle — Portland 1h 22m stop 21:30 — 00:05 HA6426 Hawaiian Airlines Portland — San Diego	4h 50m including layover	Find flight from$256
19:48 — 09:52 +1 day	19:10 — 23:12 F91176 Frontier Airlines Seattle — Denver 8h 42m stop 08:22 — 09:55 F92817 Frontier Airlines Denver — San Diego	14h 4m including layover	Find flight from$109
21:18 — 08:21 +1 day	21:18 — 23:59 AS636 Alaska Airlines Seattle — Las Vegas 6h 59m stop 07:00 — 08:21 AS3320 Alaska Airlines Las Vegas — San Diego	11h 3m including layover	Find flight from$146
21:40 — 07:42 +1 day	21:40 — 23:58 AS980 Alaska Airlines Seattle — San Francisco 6h 1m stop 06:00 — 07:42 AS3310 Alaska Airlines San Francisco — San Diego	10h 2m including layover	Find flight from$137
22:52 — 09:47 +1 day	22:52 — 23:59 HA6688 Hawaiian Airlines Seattle — Spokane 7h 1m stop 07:00 — 09:47 HA4945 Hawaiian Airlines Spokane — San Diego	10h 55m including layover	Find flight from$317
23:59 — 15:29 +1 day	23:59 — 06:07 HA6310 Hawaiian Airlines Seattle — Austin 8h 24m stop 14:31 — 15:29 HA4768 Hawaiian Airlines Austin — San Diego	15h 30m including layover	Find flight from$334

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

*Departure and arrival times - local. Updated on July 18, 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 23:59 from 3 Seattle airports and arrive 00:25 to 23:59 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 23:59
Distance 1052 ml

The cheapest months to travel to San Diego are august (from 99 $), july (from 104 $), may (from 114 $).

The most expensive months are june (from 115 $), may (from 114 $), july (from 104 $).

What is the lowest airfare Seattle to San Diego?

The cheapest plane ticket found by our users is $99. This airfare is for economy class on one-way HA6833 flight by Hawaiian Airlines for August 16, 2025 which leaves Seattle-Tacoma Intl in Seattle at 05:25 am and arrives at San Diego San Diego at 10:00.

Economy class

$99

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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 6 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 29 departures per week at the price of from $ 108 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 6418.

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 HA6833 by Hawaiian 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 69 flights with layovers on the route. The fastest connecting flight is HA6826 by Hawaiian Airlines takes 4h 19m and the cheapest is HA6833 by Hawaiian Airlines for $99.

AS - Alaska Airlines

from $108

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F9 - Frontier Airlines

from $109

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SY - Sun Country Airlines

from $281

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HA - Hawaiian Airlines

from $99

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UA - United Airlines

from $145

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NK - Spirit Airlines

from $177

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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 $99
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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 6 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

from $180

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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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