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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.

Cheap flights from Seattle to San Diego in July, August 2020

The best prices found for SEA to SAN flights for July, August
4 Jul - 18 Jul
$90pp
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
21 Jul - 28 Jul
$101pp
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
4 Jul - 14 Jul
$111pp
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

Seattle to San Diego 2020 flight deals

Cheap flights to San Diego from Seattle found for this year
25 Aug - 1 Sep
$85pp
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
5 Aug - 12 Aug
$86pp
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
18 Aug - 23 Aug
$88pp
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

Non-stop flights to San Diego from Seattle

Save time with Seattle to San Diego direct flight deals
22 Sep - 29 Sep
$147pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
11 Jul - 13 Jul
$151pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Delta
Non-Stop
SEA
Seattle/Tacoma Intl
11 Jul - 14 Jul
$152pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
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
27 Jun - 4 Jul
$168pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
27 Jun - 11 Jul
$174pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
28 Jun - 4 Jul
$185pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit 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
2:00 am - 8:44 am
Delta
1 Stop
6h 44m
SEA - SAN
Delta
$93
Delta
4:14 pm - 6:34 am
Spirit Airlines
1 Stop
14h 20m
SEA - SAN
Spirit Airlines
$94
Kiwi.com
4:14 pm - 3:48 am
Multiple Airlines
1 Stop
11h 34m
SEA - SAN
Multiple Airlines
$98
Kiwi.com

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 $100 on Cheapflights?

Yes, there are multiple flights from Seattle to San Diego for under $100. The cheapest flight booked recently is on Spirit Airlines for just $85, but on average you can expect to pay $112.

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 $174.

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.

How popular is this flight route?

The Seattle to San Diego flight path was viewed by 343 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What is the cheapest airline for this route?

While browsing flights check up on current rates for Alaska Airlines Inc.. Alaska Airlines Inc. offers the cheapest flight to Seattle to San Diego. Flight availability can sometimes range however expect there to be 186 flights on average per day.

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.

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
Average temperature for July in San Diego
78.8 °F
Avg rainfall for July 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

Morning 6 AM to noon 41% of SEA to SAN departures
Evening 6 PM to midnight 41% of SEA to SAN departures
Afternoon Noon to 6 PM 17% of SEA to SAN departures
Early morning Midnight to 6 AM 1% of SEA to SAN departures
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6 AM
Noon
6 PM