Cheap flights from Seattle to San Diego

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Easily compare round trip flights from Seattle to San Diego

Below you can see the best fares for your round trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Seattle to San Diego by changing tabs
Quickest
Cheapest
Spirit Airlines
Spirit Airlines
17 Aug
SEA
8:15 am
Seattle/Tacoma Intl airport
8h 08m
1 Stop
4:23 pm
SAN
San Diego airport
Spirit Airlines
20 Aug
SAN
11:15 pm
San Diego airport
4h 41m
1 Stop
3:56 am
+1
SEA
Seattle/Tacoma Intl airport
133 USD
Spirit Airlines
Spirit Airlines
13 Sep
SEA
12:25 am
Seattle/Tacoma Intl airport
7h 33m
1 Stop
7:58 am
SAN
San Diego airport
Spirit Airlines
16 Sep
SAN
8:53 am
San Diego airport
9h 28m
1 Stop
6:21 pm
SEA
Seattle/Tacoma Intl airport
133 USD
Delta
Delta
07 Sep
SEA
4:24 am
Seattle/Tacoma Intl airport
2h 52m
7:16 am
SAN
San Diego airport
Delta
14 Sep
SAN
8:53 am
San Diego airport
9h 28m
1 Stop
6:21 pm
SEA
Seattle/Tacoma Intl airport
134 USD
Alaska Airlines
Alaska Airlines
11 Sep
SEA
8:50 am
Seattle/Tacoma Intl airport
2h 40m
11:30 am
SAN
San Diego airport
Alaska Airlines
17 Sep
SAN
8:05 am
San Diego airport
2h 58m
11:03 am
SEA
Seattle/Tacoma Intl airport
137 USD
Alaska Airlines
Alaska Airlines
04 Sep
SEA
11:30 am
Seattle/Tacoma Intl airport
2h 45m
2:15 pm
SAN
San Diego airport
Alaska Airlines
07 Sep
SAN
8:35 am
San Diego airport
3h 00m
11:35 am
SEA
Seattle/Tacoma Intl airport
137 USD
Alaska Airlines
Alaska Airlines
10 Sep
SEA
11:10 pm
Seattle/Tacoma Intl airport
2h 45m
1:55 am
+1
SAN
San Diego airport
Alaska Airlines
17 Sep
SAN
8:35 am
San Diego airport
3h 00m
11:35 am
SEA
Seattle/Tacoma Intl airport
137 USD

How to get the cheapest flight ticket from Seattle to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
WHAT IS THE CHEAPEST MONTH TO FLY TO SAN DIEGO?
May
The cheapest time of year to fly to San Diego from Seattle is May. Most expensive is December
WHAT IS THE CHEAPEST DAY TO FLY TO SAN DIEGO?
Tuesday
The cheapest day of the week is typically Tuesday. The most expensive is typically Sunday
WHEN IS THE CHEAPEST TIME TO FLY TO SAN DIEGO?
at noon
Seattle to San Diego flights are approximately 113% more expensive in the evening than at noon
WHAT IS THE CHEAPEST AIRLINE THAT FLIES TO SAN DIEGO?
Major Airline
Major Airline, Frontier, and United Airlines are the most popular carriers operating from Seattle to San Diego
WHAT IS THE CHEAPEST ROUTE?
Seattle/Tacoma Intl - San Diego
Fly from Seattle/Tacoma Intl to San Diego for the best Seattle - San Diego flight prices
SEA
Seattle/Tacoma Intl
SAN
San Diego
WHEN IS THE CHEAPEST TIME TO BOOK A FLIGHT TO SAN DIEGO?
56 days before
The cheapest time to buy a flight from Seattle to San Diego is approximately 56 days to departure
60
Days before departure
0

Flight information for Seattle to San Diego (SAN - 03A)

Find info about flight duration, direct flights, and airports for your flight from Seattle to San Diego
Fastest flight time 2h 40m The fastest flight from Seattle to San Diego takes 2h 40m.
Direct flights Every day Direct flights go from Seattle to San Diego every day.
Airports in San Diego 2 airports There are 2 airports near San Diego: San Diego (SAN), San Diego Carlsbad-Palomar (CLD)

Alternative routes for Seattle to San Diego

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Seattle to Los Angeles
Fastest flight time
2h 34m
Cheapest price
125 USD
Seattle to Palm Springs
Fastest flight time
2h 38m
Cheapest price
137 USD
Portland to Los Angeles
Fastest flight time
2h 08m
Cheapest price
137 USD
Portland to San Diego
Fastest flight time
2h 25m
Cheapest price
144 USD
Portland to Palm Springs
Fastest flight time
2h 20m
Cheapest price
199 USD
View more

Flights from Seattle to:

Flights to San Diego from:

  • Seattle
  • Washington
  • United States
  • North America
*Flight prices to San Diego are based on prices for economy tickets found by momondo users during searches within the last 72 hours. These prices may no longer be available.