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Cheap flights from Seattle to San Diego (SEA - SAN)

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How to find the cheapest flight from
Seattle (SEA) to San Diego (SAN)

What is the cheapest day to fly round-trip from Seattle to San Diego?

Leaving on a Tuesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 25% on the overall cost on flights from Seattle to San Diego.

How far in advance should I book a flight from Seattle to San Diego?

Travelers have found it’s best to book a flight 33 days in advance to save up to 19% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 33 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Seattle to San Diego 1-2 weeks in advance for as low as $86, or $107 for flights within the next 24 hours.

What is the cheapest month to fly from Seattle to San Diego?

Due to multiple factors, expect to potentially pay more when booking in March. For low rates, May can be a great choice for travel to San Diego. Flights to San Diego from Seattle in May are about $98 on average during May, but can be found for as low as $58.

When is the cheapest time to fly from Seattle to San Diego (03A - SAN)?

A simple way to save on the total cost of your ticket is to fly from Seattle to San Diego at noon. If you’re flexible enough to do this you can expect to save up to 12% on your trip compared to booking a flight in the evening.

Cheap flights from Seattle to San Diego in September, October 2020

The best prices found for SEA to SAN flights for September, October
20 Oct - 24 Oct
$117pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Delta
Non-Stop
SEA
Seattle/Tacoma Intl
30 Sep - 14 Oct
$122pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
9 Oct - 12 Oct
$125pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl

Seattle to San Diego 2020 flight deals

Cheap flights to San Diego from Seattle found for this year
14 Nov - 18 Nov
$116pp
SEA
Seattle/Tacoma Intl
Delta
Non-Stop
SAN
San Diego
SAN
San Diego
Delta
Non-Stop
SEA
Seattle/Tacoma Intl
20 Oct - 24 Oct
$117pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Delta
Non-Stop
SEA
Seattle/Tacoma Intl
30 Sep - 14 Oct
$122pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl

Non-stop flights to San Diego from Seattle

Save time with Seattle to San Diego direct flight deals
14 Nov - 18 Nov
$116pp
SEA
Seattle/Tacoma Intl
Delta
Non-Stop
SAN
San Diego
SAN
San Diego
Delta
Non-Stop
SEA
Seattle/Tacoma Intl
20 Oct - 24 Oct
$117pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Delta
Non-Stop
SEA
Seattle/Tacoma Intl
16 Oct - 20 Oct
$137pp
SEA
Seattle/Tacoma Intl
Delta
Non-Stop
SAN
San Diego
SAN
San Diego
Delta
Non-Stop
SEA
Seattle/Tacoma Intl

Last minute flights from Seattle to San Diego

Late deals on round-trip flights to San Diego from Seattle, departing today and this week
30 Sep - 14 Oct
$122pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
30 Sep - 15 Oct
$162pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
30 Sep - 12 Oct
$165pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

One-way flights to San Diego from Seattle

The cheapest one-way flights from Seattle to San Diego
7:32 am - 3:26 pm
Spirit Airlines
1 Stop
7h 54m
SEA - SAN
Spirit Airlines
$136
Gotogate
7:32 am - 7:27 pm
Multiple Airlines
2 Stops
11h 55m
SEA - SAN
Multiple Airlines
$155
Kiwi.com
3:40 am - 6:26 am
Delta
Nonstop
2h 46m
SEA - SAN
Delta
$188
Delta

Related info for your journey

Useful info, stats and facts about Seattle to San Diego flights.

Flight FAQs

From Seattle to San Diego

Are flight prices decreasing from Seattle to San Diego due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Seattle and San Diego for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Seattle to San Diego for under $200 on Cheapflights?

Yes, there are multiple flights from Seattle to San Diego for under $200. The cheapest flight booked recently is on Delta for just $116, but on average you can expect to pay $136.

Are there nonstop flights from Seattle to San Diego for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Seattle to San Diego under $200. A good price for a nonstop flight from Seattle to San Diego is less than $175.

Are there last-minute flights available from Seattle to San Diego for under $200?

There are currently 20+ open flights from Seattle to San Diego within the next 7 days for less than $200.

What days are nonstop flights available from Seattle to San Diego?

Days when nonstop flights are available for this flight are: Monday, Wednesday, Thursday, Friday, Saturday.

How many flights depart from Seattle to San Diego on average per day?

On average 7 flights depart from Seattle to San Diego per day.
Afternoon (Noon - 6pm) - 43% of flight departures
Evening (6pm - Midnight) - 57% of flight departures

Is Seattle weather warmer or cooler than San Diego?

We forecast the temperature to be around the 81 °F's in August, on average. The temperature in San Diego is generally hotter than in Seattle. Book flights in a timely manner in correlation to your departure date.

How long is the flight from Seattle to San Diego?

Airlines like Delta and Spirit Airlines fly from Seattle to San Diego in about 2h 40m. The time it takes to get you to your destination can typically vary by up to 2h 44m. Seattle and San Diego are separated by a distance of 1057 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Seattle to San Diego round-trip?

Currently priced at $116, Delta will fly you from Seattle to San Diego and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Spirit Airlines for as low as $136.

What are the cheapest airlines to fly from Seattle to San Diego one-way?

For one-way options, check prices for Delta. According to our data, you can fly for as low as $59. Users have also found tickets on Spirit Airlines for as little as $64.

Alternative routes for Seattle to San Diego

Destination information for San Diego

Things to know before you go. Useful info for your trip from Seattle to San Diego
Flight duration
2h 53m
Average temperature for September in San Diego
80.6 °F
Avg rainfall for September in San Diego
0.1 ″

Airports servicing Seattle

Seattle King County/Boeing (BFI)
Seattle Lake Union Spb (LKE)

Airports servicing San Diego

Hourly flight availability from Seattle to San Diego

Afternoon Noon to 6 PM 68% of SEA to SAN departures
Morning 6 AM to noon 21% of SEA to SAN departures
Evening 6 PM to midnight 10% of SEA to SAN departures
Early morning Midnight to 6 AM 1% of SEA to SAN departures
Midnight
6 AM
Noon
6 PM
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