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

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The best prices from Seattle/Tacoma Intl to San Diego are usually found in January or October, booked 60 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

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

All the information you need to plan the best SEA to SAN flight in 2022: compare Seattle to San Diego flight prices with the expected peak season, weather and rainfall in San Diego.
SEA - SAN
Price
$137 - $249
SAN
Temperature
57.2 - 71.6 °F
SAN
Precipitation
0 - 2.3 inches

Popular in

December

High demand for flights, 28% potential price rise

Cheapest in

January

Best time to find cheap flights, 23% potential price drop

Round-trip from

$137

From Seattle/Tacoma Intl to San Diego

One-way from

$69

One-way flight from Seattle/Tacoma Intl to San Diego

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from Seattle to San Diego?

To save up to 89% on this flight, we recommend booking at least 61 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Seattle to San Diego from $219 1-2 weeks out and tickets from $339 for flights departing within the next 72 hours.

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

It’s optimal to fly from Seattle to San Diego at noon. By choosing this option you can save up to 13% on the cost of your flight, compared to a flight in the morning.

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

It’s generally more expensive to depart on a Tuesday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

Cheap flights from Seattle to San Diego in January, February 2022

The best prices found for SEA to SAN flights for January, February
25 Feb - 1 Mar
$104pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
28 Feb - 5 Mar
$107pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
3 Feb - 17 Feb
$108pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl

Seattle/Tacoma Intl to San Diego 2022 flight deals

Cheap flights to San Diego from Seattle found for this year
25 Feb - 1 Mar
$104pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
28 Feb - 5 Mar
$107pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
3 Feb - 17 Feb
$108pp
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 Feb - 18 Feb
$118pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
11 Feb - 11 Feb
$125pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
14 Feb - 19 Feb
$126pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Alaska Airlines
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
3 Feb - 17 Feb
$108pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
3 Feb - 17 Feb
$120pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
3 Feb - 18 Feb
$127pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl

One-way flights to San Diego from Seattle

The cheapest one-way flights from Seattle to San Diego
5:24 pm - 6:01 am
Multiple Airlines
1 Stop
12h 37m
SEA - SAN
Multiple Airlines
$69
Kiwi.com
11:14 am - 3:42 pm
United Airlines
1 Stop
4h 28m
SEA - SAN
United Airlines
$88
United
2:15 am - 5:00 am
Delta
Nonstop
2h 45m
SEA - SAN
Delta
$89
Delta

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Seattle</span> to <span class="emphasized">San Diego</span> flights.

Flight FAQs

From Seattle to San Diego

What airports do I use to fly from Seattle to San Diego?

Booking a flight from Seattle/Tacoma Intl (SEA) to San Diego (SAN) is your only option if you wish to fly from Seattle to San Diego. On a typical day, there are 14 flights from Seattle/Tacoma Intl to San Diego, all of which are around 2h 40m for a nonstop flight. You can also purchase a plane ticket from 9 airlines when you book a flight from Seattle/Tacoma Intl to San Diego.

Which airlines flying from Seattle/Tacoma Intl to San Diego have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Seattle/Tacoma Intl to San Diego that may be offering flexible cancellation policies are Delta, Alaska Airlines, and United Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

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 Multiple Airlines for just $104, but on average you can expect to pay $118.

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 $144.

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, Tuesday, Wednesday, Friday, Saturday.

How popular is this Seattle to San Diego flight route?

The Seattle/Tacoma Intl 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.

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

Travelers can expect 16 flights from Seattle to San Diego on average per day.
Early Morning (Midnight to 6am) - 13% of flight departures
Morning (6am - Noon) - 13% of flight departures
Afternoon (Noon - 6pm) - 44% of flight departures
Evening (6pm - Midnight) - 31% of flight departures

How long is the flight from Seattle to San Diego?

Airlines like Spirit Airlines, Delta, and Frontier fly from Seattle to San Diego in about 2h 43m. The time it takes to get you to your destination can typically vary by up to 14h 32m. The distance from Seattle to San Diego is about 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?

According to our current data, Spirit Airlines ($115), Delta ($118), and Frontier ($129) offers the cheapest pricing from Seattle to San Diego. You may be able to fly from Seattle to San Diego for 35% less than the average price by searching for these airlines.

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

One-way options have recently been found by users for as low as $57 on Spirit Airlines. Other airlines that offer cheap prices include Delta from $59 and Frontier from $60 one-way.

What are the most popular airlines that fly from Seattle to San Diego?

Consider Major Airline, Endeavor Airlines or American Airlines when booking your flight. These represent the most popular airlines when flying from Seattle to San Diego.

What are the cheapest flights from Seattle to San Diego?

On average you can expect to pay $279 for a flight from Seattle to San Diego. The cheapest flight overall is $66 while the most popular route, (Seattle/Tacoma Intl - San Diego) is currently priced at $118.

What are the most reliable airlines from Seattle to San Diego?

The top 3 most reliable airlines when flying from Seattle to San Diego are Japan Airlines (74%), Delta (74%) and KLM (74%).

COVID Restrictions

View COVID Travel Restrictions for San Diego, CA

Do I need a COVID test to fly to San Diego from Seattle?

Information is based on travel restrictions for travel to San Diego within the United States

Most visitors from Seattle/Tacoma Intl need to provide a negative COVID-19 test result and/or quarantine to enter San Diego.

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to San Diego.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering San Diego.

Do I need a test to fly back to Seattle from San Diego?

Returning to Seattle/Tacoma Intl from San Diego

COVID-19 testing requirements
Visitors from San Diego must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Seattle/Tacoma Intl.

Quarantine requirements
Visitors from San Diego are not required to quarantine after entering Seattle/Tacoma Intl.

Hide COVID Travel Restrictions for San Diego, CA

Alternative routes for Seattle to San Diego

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for San Diego

Things to know before you go - useful duration and weather info for your trip from Seattle to San Diego.
Flight duration from SEA to SAN
2h 55m
Average temperature for January in San Diego
68.0 °F
Avg rainfall for January in San Diego
2.7 ″

Airports servicing Seattle

Airports servicing San Diego

Top 8 airlines flying from Seattle/Tacoma Intl to San Diego

The chart below displays the airlines Cheapflights users traveling from Seattle to San Diego choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
United Airlines
$67 $173 No cancel fee 69%
Alaska Airlines
$68 $199 No cancel fee 75%
Delta
$68 $207 No cancel fee N/A
Spirit Airlines
$74 $174 No cancel fee 65%
Southwest
$78 $263 No cancel fee 63%
American Airlines
$102 $329 No cancel fee 71%
Frontier
$106 $182 No cancel fee 62%
Endeavor Airlines
$125 $274 No cancel fee N/A

We couldn't confirm the COVID-19 safety measures taken by Endeavor Airlines. Please check directly on their website for additional information.

Hourly flight availability from Seattle to San Diego

See what time of day planes typically take off from Seattle towards San Diego.
Afternoon Noon to 6 PM 59% of SEA to SAN departures
Evening 6 PM to midnight 18% of SEA to SAN departures
Morning 6 AM to noon 17% of SEA to SAN departures
Early morning Midnight to 6 AM 6% of SEA to SAN departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Seattle to San Diego
See how many times per day planes take to the skies headed from Seattle to San Diego.
Sunday
19 daily flights
Monday
13 daily flights
Tuesday
9 daily flights
Wednesday
10 daily flights
Thursday
14 daily flights
Friday
20 daily flights
Saturday
15 daily flights
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