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

SEA — SAN
Sep 27 — Oct 41

The best prices from Seattle/Tacoma Intl to San Diego are usually found in September or October, booked 56 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

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

$157 - $357

SAN

Temperature

57.2 - 71.6 °F

SAN

Rainfall

0 - 2.3 inches

Popular inJulyHigh demand for flights, 27% potential price rise
Cheapest inSeptemberBest time to find cheap flights, 39% potential price drop
Round-trip from$157From Seattle/Tacoma Intl to San Diego
One-way from$89One-way flight from Seattle/Tacoma Intl to San Diego

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

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

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

To save up to 96% on this flight, we recommend booking at least 53 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 $353 1-2 weeks out and tickets from $487 for flights departing within the next 72 hours.

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

Flights from Seattle to San Diego lean towards being more expensive in July. Prices are generally better when you fly from Seattle to San Diego in September, with the cheapest ticket starting at $117.

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 8% on the cost of your flight, compared to a flight in the morning.

Cheap flights from Seattle to San Diego in September, October 2022

The best prices found for SEA to SAN flights for September, October
Oct 12 - Oct 15
SEA

Seattle/Tacoma Intl

SAN

San Diego

1 stop

7h 34m
SAN

San Diego

SEA

Seattle/Tacoma Intl

1 stop

14h 03m
$116

Spirit Airlines

Pick Dates

Deal found 9/19/22

Oct 12 - Oct 19
SEA

Seattle/Tacoma Intl

SAN

San Diego

1 stop

7h 34m
SAN

San Diego

SEA

Seattle/Tacoma Intl

1 stop

7h 29m
$124

Spirit Airlines

Pick Dates

Deal found 9/21/22

Oct 29 - Oct 29
SEA

Seattle/Tacoma Intl

SAN

San Diego

1 stop

6h 03m
SAN

San Diego

SEA

Seattle/Tacoma Intl

1 stop

8h 18m
$126

Spirit Airlines

Pick Dates

Deal found 9/19/22

Seattle to San Diego 2022 flight deals

Cheap flights to San Diego from Seattle found for this year
Oct 12 - Oct 15
SEA

Seattle/Tacoma Intl

SAN

San Diego

1 stop

7h 34m
SAN

San Diego

SEA

Seattle/Tacoma Intl

1 stop

14h 03m
$116

Spirit Airlines

Pick Dates

Deal found 9/19/22

Oct 12 - Oct 19
SEA

Seattle/Tacoma Intl

SAN

San Diego

1 stop

7h 34m
SAN

San Diego

SEA

Seattle/Tacoma Intl

1 stop

7h 29m
$124

Spirit Airlines

Pick Dates

Deal found 9/21/22

Oct 29 - Oct 29
SEA

Seattle/Tacoma Intl

SAN

San Diego

1 stop

6h 03m
SAN

San Diego

SEA

Seattle/Tacoma Intl

1 stop

8h 18m
$126

Spirit Airlines

Pick Dates

Deal found 9/19/22

Cheap Spirit Airlines flights from Seattle to San Diego

Oct 12 - Oct 15
SEA

Seattle/Tacoma Intl

SAN

San Diego

1 stop

7h 34m
SAN

San Diego

SEA

Seattle/Tacoma Intl

1 stop

14h 03m
$116

Spirit Airlines

Pick Dates

Deal found 9/19/22

Oct 12 - Oct 19
SEA

Seattle/Tacoma Intl

SAN

San Diego

1 stop

7h 34m
SAN

San Diego

SEA

Seattle/Tacoma Intl

1 stop

7h 29m
$124

Spirit Airlines

Pick Dates

Deal found 9/21/22

Oct 29 - Oct 29
SEA

Seattle/Tacoma Intl

SAN

San Diego

1 stop

6h 03m
SAN

San Diego

SEA

Seattle/Tacoma Intl

1 stop

8h 18m
$126

Spirit Airlines

Pick Dates

Deal found 9/19/22

  • If you’re traveling from Seattle to San Diego, one of the more common airlines traveling that route is Spirit Airlines. Seattle to San Diego flights are typically 43% cheaper than other airlines traveling the same route. Flights from Spirit Airlines typically cost $267.16 RT. The cheapest Spirit Airlines flight found for this route was $99. When traveling from Seattle to San Diego on Spirit Airlines, the most popular airport to depart from is Seattle/Tacoma Intl Airport and the most popular airport to arrive at is San Diego Airport. When flying from Seattle to San Diego, Spirit Airlines flights are 40% more popular than any other airline flying that same route.

Cheap Frontier flights from Seattle to San Diego

Sep 30 - Oct 3
SEA

Seattle/Tacoma Intl

SAN

San Diego

1 stop

9h 06m
SAN

San Diego

SEA

Seattle/Tacoma Intl

1 stop

10h 16m
$164

Frontier

Pick Dates

Deal found 9/20/22

Oct 3 - Oct 3
SEA

Seattle/Tacoma Intl

SAN

San Diego

1 stop

5h 23m
SAN

San Diego

SEA

Seattle/Tacoma Intl

1 stop

10h 16m
$166

Frontier

Pick Dates

Deal found 9/21/22

Oct 3 - Oct 5
SEA

Seattle/Tacoma Intl

SAN

San Diego

1 stop

5h 23m
SAN

San Diego

SEA

Seattle/Tacoma Intl

1 stop

10h 18m
$167

Frontier

Pick Dates

Deal found 9/21/22

  • One of the most popular airlines traveling from Seattle to San Diego is Frontier. Flights from Frontier traveling this route typically cost $267.10 RT. This price is typically 61% cheaper than other airlines that offer Seattle to San Diego flights. When booking this route, the cheapest RT price found was $116. Seattle/Tacoma Intl Airport is the most common Seattle airport to take off from when flying to San Diego. San Diego Airport is the most popular arrival airport in San Diego. When flying from Seattle to San Diego, Frontier flights are 39% more popular than any other airline flying that same route.

Non-stop flights to San Diego from Seattle

Save time with Seattle to San Diego direct flight deals
Nov 2 - Nov 4
SEA

Seattle/Tacoma Intl

SAN

San Diego

Nonstop

2h 46m
SAN

San Diego

SEA

Seattle/Tacoma Intl

Nonstop

3h 05m
$157

Alaska Airlines

Pick Dates

Deal found 9/21/22

Oct 10 - Oct 15
SEA

Seattle/Tacoma Intl

SAN

San Diego

Nonstop

2h 45m
SAN

San Diego

SEA

Seattle/Tacoma Intl

Nonstop

3h 10m
$159

Alaska Airlines

Pick Dates

Deal found 9/19/22

Nov 2 - Nov 4
SEA

Seattle/Tacoma Intl

SAN

San Diego

Nonstop

2h 45m
SAN

San Diego

SEA

Seattle/Tacoma Intl

Nonstop

3h 05m
$160

Alaska Airlines

Pick Dates

Deal found 9/19/22

Last minute flights from Seattle to San Diego

Late deals on return flights to San Diego from Seattle, departing today and this week
Sep 30 - Oct 3
SEA

Seattle/Tacoma Intl

SAN

San Diego

1 stop

9h 06m
SAN

San Diego

SEA

Seattle/Tacoma Intl

1 stop

10h 16m
$164

Frontier

Pick Dates

Deal found 9/20/22

Sep 30 - Oct 3
SEA

Seattle/Tacoma Intl

SAN

San Diego

1 stop

9h 06m
SAN

San Diego

SEA

Seattle/Tacoma Intl

1 stop

10h 16m
$168

Frontier

Pick Dates

Deal found 9/19/22

Oct 2 - Oct 5
SEA

Seattle/Tacoma Intl

SAN

San Diego

1 stop

21h 42m
SAN

San Diego

SEA

Seattle/Tacoma Intl

1 stop

5h 15m
$169

Multiple Airlines

Pick Dates

Deal found 9/21/22

One-way flights to San Diego from Seattle

The cheapest one-way flights from Seattle to San Diego
Oct 11
SEA

Seattle/Tacoma Intl

SAN

San Diego

1 stop

7h 34m
$59

Spirit Airlines

Pick Dates

Deal found 9/19/22

Oct 26
SEA

Seattle/Tacoma Intl

SAN

San Diego

1 stop

6h 03m
$61

Spirit Airlines

Pick Dates

Deal found 9/19/22

Oct 11
SEA

Seattle/Tacoma Intl

SAN

San Diego

1 stop

6h 03m
$62

Spirit Airlines

Pick Dates

Deal found 9/20/22

Related info for your journey

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

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 20 flights from Seattle/Tacoma Intl to San Diego, all of which are around 2h 38m for a nonstop flight. You can also purchase a plane ticket from 10 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 Alaska Airlines, Delta, and Spirit 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 Spirit Airlines 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 $178.

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: Sunday, Tuesday, Thursday, Friday.

How popular is this Seattle to San Diego flight route?

The Seattle/Tacoma Intl to San Diego flight path was viewed by 137 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 10 flights from Seattle to San Diego on average per day.
Early Morning (Midnight to 6am) - 10% of flight departures
Morning (6am - Noon) - 20% of flight departures
Afternoon (Noon - 6pm) - 20% of flight departures
Evening (6pm - Midnight) - 50% of flight departures

How long is the flight from Seattle to San Diego?

Airlines like Spirit Airlines fly from Seattle to San Diego in about 7h 34m. The time it takes to get you to your destination can typically vary by up to . The distance from Seattle to San Diego is about 1057 mi.

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

According to our current data, Spirit Airlines ($116), offers the cheapest pricing from Seattle to San Diego. You may be able to fly from Seattle to San Diego for 55% less than the average price by searching for this airline.

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 $59 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $79 and Delta from $89 one-way.

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

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

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 Horizon Air (100%), KLM (93%) and Delta (91%).

What are the cheapest flights from Seattle to San Diego?

On average you can expect to pay $424 for a flight from Seattle to San Diego. The cheapest flight overall is $89 while the most popular route, (Seattle/Tacoma Intl - San Diego) is currently priced at $124.

Alternative routes for Seattle to San Diego

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

Top 8 airlines flying from Seattle 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.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Juneyao AirlinesCheapest$15Average$23FlexibilityNo cancel feeOn-time66%COVID-19 safety
Search Juneyao Airlines flights
Spirit AirlinesCheapest$79Average$207FlexibilityNo cancel feeOn-time65%COVID-19 safety
Search Spirit Airlines flights
United AirlinesCheapest$91Average$355FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
FrontierCheapest$95Average$208FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
Alaska AirlinesCheapest$99Average$267FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search Alaska Airlines flights
DeltaCheapest$116Average$267FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
Endeavor AirlinesCheapest$125Average$274FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Endeavor Airlines flights
American AirlinesCheapest$132Average$417FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights

Hourly flight availability from Seattle to San Diego

See what time of day planes typically take off from Seattle to San Diego
4%of flight departuresEarly morningMidnight to 6 am
30%of flight departuresMorning6 am to noon
43%of flight departuresAfternoonNoon to 6 pm
23%of flight departuresEvening6 pm to midnight
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
Sunday17daily flights
Monday27daily flights
Tuesday28daily flights
Wednesday28daily flights
Thursday19daily flights
Friday16daily flights
Saturday11daily flights