Flights from Seattle Tacoma to San Diego

Our cheapest offers for flights from Seattle Tacoma to San Diego

Here you can compare cheap flights from Seattle Tacoma (SEA) to San Diego (SAN) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to San Diego. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Seattle-Tacoma
San Diego
Outbound
11/22/25
direct
HA6882
02h 50min
Return
-
Hawaiian Airlines
$79
Seattle-Tacoma
San Diego
Outbound
11/12/25
1 Stopover (DEN)
F93406, F92711
08h 02min
Return
11/16/25
1 Stopover (DEN)
F92818, F91175
29h 32min
Frontier Airlines
$171
found 3 days ago
Best option
Seattle-Tacoma
San Diego
Outbound
11/22/25
direct
AS1369
02h 50min
Return
11/29/25
direct
AS1373
03h 13min
Alaska Airlines ?
$222
Seattle-Tacoma
San Diego
Outbound
11/12/25
1 Stopover (DEN)
F93406, AS1491
24h 38min
Return
11/16/25
1 Stopover (PHX)
AS3080, F91723
25h 19min
Frontier Airlines, Alaska Airlines ?
$189
found 3 days ago
Seattle-Tacoma
San Diego
Outbound
11/22/25
direct
HA6882
02h 50min
Return
11/29/25
direct
AS1373
03h 13min
Hawaiian Airlines
$238
Seattle-Tacoma
San Diego
Outbound
11/22/25
direct
AS1369
02h 50min
Return
11/29/25
direct
AS1373
03h 13min
Alaska Airlines
$245
Seattle-Tacoma
San Diego
Outbound
11/22/25
direct
AS1369
02h 50min
Return
11/29/25
direct
AS1373
03h 13min
Alaska Airlines ?
$246
Seattle-Tacoma
San Diego
Outbound
11/12/25
1 Stopover (LAS)
AS0211, AS3028
07h 43min
Return
11/16/25
1 Stopover (PDX)
AS0399, AS1407
07h 43min
Alaska Airlines ?
$261
found 3 days ago
Seattle-Tacoma
San Diego
Outbound
11/12/25
1 Stopover (DEN)
F93406, F92711
08h 02min
Return
11/16/25
1 Stopover (PDX)
AS0399, AS1407
07h 43min
Frontier Airlines ?
$268
found 3 days ago
Seattle-Tacoma
San Diego
Outbound
11/22/25
direct
AS1369
02h 50min
Return
11/29/25
direct
AS1373
03h 13min
Alaska Airlines ?
$276
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Seattle Tacoma to San Diego

Favorite airline: Alaska Airlines
75 % of flights booked on the route from Seattle-Tacoma to San Diego are booked with Alaska Airlines, Frontier Airlines and Spirit Airlines.
Alaska Airlines
33 %
Frontier Airlines
21 %
Spirit Airlines
21 %
Stopover flights are the cheapest connection
Compared to direct flights, flights with a stopover on this route are on average 15 % cheaper.
non stop flight
1 stop
02h 43min
10h 49min
$136
$118
The favorite connection is non-stop
Non-stop flights are especially popular on this route. 53 % of travelers will book a direct flight.
Route
bookings
Direct flights
02h 43min, from $136
53 %
1 stopover Las Vegas - McCarran International Airport, NV
04h 38min, from $175
36 %
1 stopover Phoenix - Sky Harbor International Airport
10h 49min, from $118
8 %

Important flight information

Flight information: Seattle-Tacoma - San Diego

Cheapest outbound flight from $79.00
Roundtrip from $170.93
Flight duration min. 02:35 / max. 03:30
Return flight duration min. 03:00/ max. 03:35
Distance 1694 km
Flights per week 120
Departure airport Airport Seattle-Tacoma International Airport, WA (SEA)
Arrival airport Airport San Diego - Lindberg Field International, CA (SAN)
Destination country Flights to United States
Alternative routes to United States
Alternative flights to San Diego
Flight destinations with a similar price
Flight destinations with a similar price