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Cheap flights from Seattle to San Diego

58 nonstop flights a week, 5 of them today. Operated by 3 airlines, about 2h 52m in the air, 1,064 mi (1,712 km). Tickets from $140, nonstop from $177.

Flights from Seattle to San Diego

Pick a departure date to see flights and seller prices

We search agencies and airlines for your day: nonstop and connecting flights, baggage, departure and arrival times.

Prices by day: Seattle to San Diego

Lowest one-way price in dollars from recent searches, cheap days in green. Press a day to see flights and exact prices.

Filters

Best fares from Seattle to San Diego

Lowest one-way prices found by recent searches for the next 120 days; press a card to search that date

Cheapest one-way $140 25 December 2026, with a connection Cheapest nonstop $177 25 December 2026, Alaska Airlines Cheapest in the next 7 days $145 14 November, Sat Cheapest weekend departure $140 Fri, 25 December 2026 Cheapest month December 2026 tickets from $140

Seattle to San Diego at a glance

flight time, from 2h 40m to 11h 40m
2h 52m
straight-line distance
1,064 mi (1,712 km)
flights a week
58
flights today
5
first and last departure
05:15 - 11:46
lowest price, with a connection, 25 December
$140
lowest nonstop price
$177
airlines
3

Seattle to San Diego ticket prices by month

Lowest one-way fare found by recent searches

Cheapest month: December 2026, tickets from $140. Prices come from searches over the last few days; check the search for your exact date.

The most expensive month is November 2026: from $145. The average across months is $142.

Seattle to San Diego flight schedule

58 flights a week, 5 today, 40 seasonal or one-off. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
WN 1978
Southwest Airlines
05:15 Seattle-Tacoma International
09:05 San Diego International, terminal 1
3h 50m
Sat
AS 638
Alaska Airlines
06:00 Seattle-Tacoma International
08:48 San Diego International, terminal 2
2h 48m
Mon, Fri, Sat, Sun
Boeing 737-900
WN 3105
Southwest Airlines
06:30 Seattle-Tacoma International
10:40 San Diego International, terminal 1
4h 10m
Mon, Thu, Fri, Sun
WN 2888
Southwest Airlines
07:00 Seattle-Tacoma International
09:40 San Diego International, terminal 1
2h 40m
Mon, Tue, Wed, Thu
AS 1365
Alaska Airlines
07:04 Seattle-Tacoma International
10:04 San Diego International, terminal 2
3h
Fri
Boeing 737
WN 1030
Southwest Airlines
07:05 Seattle-Tacoma International
18:45 San Diego International, terminal 1
11h 40m
Sat
AS 1365
Alaska Airlines
07:13 Seattle-Tacoma International
10:13 San Diego International, terminal 2
3h
Mon, Thu, Fri, Sat, Sun
Boeing 737
DL 2508
Delta
07:15 Seattle-Tacoma International
10:07 San Diego International, terminal 2
2h 52m
Daily
Airbus A220-300
WN 3235
Southwest Airlines
07:30 Seattle-Tacoma International
11:50 San Diego International, terminal 1
4h 20m
Mon, Thu, Fri, Sun
WN 3158
Southwest Airlines
07:55 Seattle-Tacoma International
10:40 San Diego International, terminal 1
2h 45m
Mon, Thu, Fri, Sun
Boeing 737
WN 1791
Southwest Airlines
08:00 Seattle-Tacoma International
10:45 San Diego International, terminal 1
2h 45m
Sat
WN 2601
Southwest Airlines
08:35 Seattle-Tacoma International
12:55 San Diego International, terminal 1
4h 20m
Sat
WN 4700
Southwest Airlines
08:55 Seattle-Tacoma International
11:45 San Diego International, terminal 1
2h 50m
Sat
AS 1367
Alaska Airlines
09:00 Seattle-Tacoma International
11:47 San Diego International, terminal 2
2h 47m
Mon, Fri, Sat, Sun
Boeing 737-800
AS 1367
Alaska Airlines
09:08 Seattle-Tacoma International
12:03 San Diego International, terminal 2
2h 55m
Daily
Boeing 737-800
DL 2533
Delta
09:55 Seattle-Tacoma International
12:51 San Diego International, terminal 2
2h 56m
Daily
Airbus A220-300
AS 650
Alaska Airlines
11:43 Seattle-Tacoma International
14:47 San Diego International, terminal 2
3h 4m
Daily
Boeing 737
AS 650
Alaska Airlines
11:46 Seattle-Tacoma International
14:41 San Diego International, terminal 2
2h 55m
Mon, Fri, Sat, Sun
Boeing 737

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 24 November.

FlightDepartsArrivesDurationDaysAircraft
WN 472
Southwest Airlines
07:15 Seattle-Tacoma International
10:05 San Diego International, terminal 1
2h 50m
Seasonal
WN 3236
Southwest Airlines
07:30 Seattle-Tacoma International
11:50 San Diego International, terminal 1
4h 20m
Seasonal
AS 1367
Alaska Airlines
09:04 Seattle-Tacoma International
11:51 San Diego International, terminal 2
2h 47m
Seasonal
Boeing 737-800
WN 3158
Southwest Airlines
10:55 Seattle-Tacoma International
13:40 San Diego International, terminal 1
2h 45m
Seasonal
Boeing 737
WN 3886
Southwest Airlines
08:30 Seattle-Tacoma International
11:20 San Diego International, terminal 1
2h 50m
Seasonal
AS 1365
Alaska Airlines
07:05 Seattle-Tacoma International
10:00 San Diego International, terminal 2
2h 55m
Seasonal
Boeing 737-800
AS 1367
Alaska Airlines
09:12 Seattle-Tacoma International
12:00 San Diego International, terminal 2
2h 48m
Seasonal
Boeing 737-800
AS 650
Alaska Airlines
10:35 Seattle-Tacoma International
13:23 San Diego International, terminal 2
2h 48m
Seasonal
Boeing 737
AS 386
Alaska Airlines
06:40 Seattle-Tacoma International
09:29 San Diego International, terminal 2
2h 49m
Seasonal
Boeing 737-900
AS 1367
Alaska Airlines
08:01 Seattle-Tacoma International
10:59 San Diego International, terminal 2
2h 58m
Seasonal
Boeing 737-900
AS 650
Alaska Airlines
11:04 Seattle-Tacoma International
13:54 San Diego International, terminal 2
2h 50m
Seasonal
Boeing 737-900
DL 2533
Delta
09:49 Seattle-Tacoma International
12:50 San Diego International, terminal 2
3h 1m
Seasonal
Airbus A220-300
DL 2508
Delta
07:20 Seattle-Tacoma International
10:15 San Diego International, terminal 2
2h 55m
Seasonal
Boeing 737-800
DL 2533
Delta
09:45 Seattle-Tacoma International
12:38 San Diego International, terminal 2
2h 53m
Seasonal
Airbus A220-100 Passenger
AS 624
Alaska Airlines
06:30 Seattle-Tacoma International
09:16 San Diego International, terminal 2
2h 46m
Seasonal
Boeing 737-900
AS 1365
Alaska Airlines
07:00 Seattle-Tacoma International
09:52 San Diego International, terminal 2
2h 52m
Seasonal
Boeing 737-900
AS 1367
Alaska Airlines
10:05 Seattle-Tacoma International
12:56 San Diego International, terminal 2
2h 51m
Seasonal
Boeing 737-900
WN 2034
Southwest Airlines
07:15 Seattle-Tacoma International
10:05 San Diego International, terminal 1
2h 50m
Seasonal
WN 1477
Southwest Airlines
07:00 Seattle-Tacoma International
09:40 San Diego International, terminal 1
2h 40m
Seasonal
Boeing 737
WN 3492
Southwest Airlines
07:00 Seattle-Tacoma International
09:40 San Diego International, terminal 1
2h 40m
Seasonal
Boeing 737
DL 2572
Delta
11:45 Seattle-Tacoma International
14:36 San Diego International, terminal 2
2h 51m
Seasonal
Airbus A220-300
AS 1471
Alaska Airlines
07:00 Seattle-Tacoma International
09:52 San Diego International, terminal 2
2h 52m
Seasonal
Boeing 737-900
WN 3492
Southwest Airlines
09:35 Seattle-Tacoma International
12:20 San Diego International, terminal 1
2h 45m
Seasonal
AS 1357
Alaska Airlines
09:58 Seattle-Tacoma International
12:54 San Diego International, terminal 2
2h 56m
Seasonal
Boeing 737-900
AS 1346
Alaska Airlines
11:41 Seattle-Tacoma International
14:37 San Diego International, terminal 2
2h 56m
Seasonal
Boeing 737-900
WN 3492
Southwest Airlines
11:10 Seattle-Tacoma International
13:50 San Diego International, terminal 1
2h 40m
Seasonal
WN 4295
Southwest Airlines
07:15 Seattle-Tacoma International
10:00 San Diego International, terminal 1
2h 45m
Seasonal
WN 4295
Southwest Airlines
09:10 Seattle-Tacoma International
11:55 San Diego International, terminal 1
2h 45m
Seasonal
Boeing 737
WN 3785
Southwest Airlines
06:50 Seattle-Tacoma International
11:00 San Diego International, terminal 1
4h 10m
Seasonal
WN 4295
Southwest Airlines
08:05 Seattle-Tacoma International
10:50 San Diego International, terminal 1
2h 45m
Seasonal
Boeing 737
AS 1747
Alaska Airlines
08:15 Seattle-Tacoma International
11:12 San Diego International, terminal 2
2h 57m
Seasonal
Boeing 737-900
WN 4295
Southwest Airlines
08:55 Seattle-Tacoma International
11:40 San Diego International, terminal 1
2h 45m
Seasonal
Boeing 737
WN 781
Southwest Airlines
07:00 Seattle-Tacoma International
09:50 San Diego International, terminal 1
2h 50m
Seasonal
Boeing 737
WN 781
Southwest Airlines
09:40 Seattle-Tacoma International
12:35 San Diego International, terminal 1
2h 55m
Seasonal
Boeing 737-800
WN 422
Southwest Airlines
07:15 Seattle-Tacoma International
10:05 San Diego International, terminal 1
2h 50m
Seasonal
WN 3983
Southwest Airlines
09:00 Seattle-Tacoma International
11:55 San Diego International, terminal 1
2h 55m
Seasonal
Boeing 737
WN 3594
Southwest Airlines
08:10 Seattle-Tacoma International
11:10 San Diego International, terminal 1
3h
Seasonal
Boeing 737
WN 3594
Southwest Airlines
08:40 Seattle-Tacoma International
11:40 San Diego International, terminal 1
3h
Seasonal
WN 3594
Southwest Airlines
09:00 Seattle-Tacoma International
12:00 San Diego International, terminal 1
3h
Seasonal
Boeing 737
WN 3594
Southwest Airlines
07:40 Seattle-Tacoma International
10:40 San Diego International, terminal 1
3h
Seasonal
Boeing 737

Days of the week are taken from the schedule for the next 14 days; schedules change by season. The search shows seat availability and the price for your date.

Airlines flying Seattle to San Diego

Flights a week by schedule and the cheapest nonstop fare of each airline found by recent searches

Alaska Airlines23 a week Southwest Airlines21 a week Delta14 a week

Airports

Where flights from Seattle to San Diego depart and land

Departure from Seattle

Seattle-Tacoma International SEA

58 flights a week, 11 mi (18 km) from the city centre

About the airport

Arrival in San Diego

San Diego International SAN

58 flights a week, terminals 1, 2, 2 mi (4 km) from the city centre

About the airport

Frequently asked questions

How long is the flight from Seattle to San Diego?
A nonstop flight takes 2 hours 52 minutes on average, from 2h 40m to 11h 40m depending on the flight.
How far is San Diego from Seattle?
1,064 mi (1,712 km) in a straight line between the cities.
Which airlines fly nonstop from Seattle to San Diego?
Alaska Airlines (23 a week), Southwest Airlines (21 a week) and Delta (14 a week).
How many flights a day are there from Seattle to San Diego?
5 flights today and 58 a week, about 8.3 a day on average.
When are the first and last flights from Seattle to San Diego?
The first departure is at 05:15 (WN1978), the last at 11:46 (AS650). Local time.
What is the cheapest month to fly from Seattle to San Diego?
December 2026: tickets from $140. The most expensive is November 2026, from $145.
What is the cheapest upcoming date to fly from Seattle to San Diego?
25 December 2026 (Friday): from $140 one way, with a connection, by recent searches. The search shows the price for your dates.
Which airline is the cheapest from Seattle to San Diego?
Alaska Airlines: nonstop tickets from $177 on 25 December by recent searches. Prices change daily, so compare the sellers in the search.
Which Seattle airport do flights to San Diego leave from?
Seattle-Tacoma International (58 a week).