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
Delta
Delta
06 Jan
11:38 pm
SEA
Seattle/Tacoma Intl airport
2h 46m
SAN
2:24 am
+1
San Diego airport
Delta
24 Jan
5:01 am
SAN
San Diego airport
3h 09m
SEA
8:10 am
Seattle/Tacoma Intl airport
97 USD
Alaska Airlines
Alaska Airlines
07 Jan
6:40 am
SEA
Seattle/Tacoma Intl airport
2h 50m
SAN
9:30 am
San Diego airport
Alaska Airlines
08 Jan
12:45 pm
SAN
San Diego airport
3h 05m
SEA
3:50 pm
Seattle/Tacoma Intl airport
97 USD
United Airlines
United Airlines
29 Jan
4:13 am
SEA
Seattle/Tacoma Intl airport
6h 11m
1 Stop
SAN
10:24 am
San Diego airport
United Airlines
09 Feb
11:05 pm
SAN
San Diego airport
3h 01m
SEA
2:06 am
+1
Seattle/Tacoma Intl airport
101 USD
Delta
Delta
06 Jan
11:38 pm
SEA
Seattle/Tacoma Intl airport
2h 46m
SAN
2:24 am
+1
San Diego airport
Delta
24 Jan
5:01 am
SAN
San Diego airport
3h 09m
SEA
8:10 am
Seattle/Tacoma Intl airport
97 USD
Alaska Airlines
Alaska Airlines
07 Jan
6:40 am
SEA
Seattle/Tacoma Intl airport
2h 50m
SAN
9:30 am
San Diego airport
Alaska Airlines
08 Jan
12:45 pm
SAN
San Diego airport
3h 05m
SEA
3:50 pm
Seattle/Tacoma Intl airport
97 USD
Alaska Airlines
Alaska Airlines
25 Jan
12:30 pm
SEA
Seattle/Tacoma Intl airport
2h 48m
SAN
3:18 pm
San Diego airport
Alaska Airlines
29 Jan
11:30 pm
SAN
San Diego airport
4h 22m
1 Stop
SEA
3:52 am
+1
Seattle/Tacoma Intl airport
101 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?
October
The cheapest time of year to fly to San Diego from Seattle is October. Most expensive is December
What is the cheapest day to fly to San Diego?
Wednesday
The cheapest day of the week is typically Wednesday. 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 11% more expensive in the morning 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?
60 days before
The cheapest time to buy a flight from Seattle to San Diego is approximately 60 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 37m The fastest flight from Seattle to San Diego takes 2h 37m.
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
116 USD
Seattle to Palm Springs
Fastest flight time
2h 38m
Cheapest price
117 USD
Portland to Los Angeles
Fastest flight time
2h 12m
Cheapest price
117 USD
Portland to San Diego
Fastest flight time
2h 20m
Cheapest price
127 USD
Portland to Palm Springs
Fastest flight time
2h 20m
Cheapest price
158 USD
View more

Flights from Seattle to:

*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.