Cheap flights from Seattle to San Diego (SEA - SAN) from $34

This is the cheapest one-way flight price, found on 9/30. Prices may vary by date and flight preferences.
SEA — SAN
Oct 7 — Oct 141

The best prices from Seattle/Tacoma Intl to San Diego are usually found in January or October, booked 34 days in advance, depart on a Wednesday or Saturday and return on a Monday

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 2023: compare Seattle to San Diego flight prices with the expected peak season, weather and rainfall in San Diego.

Popular in

July

Cheapest in

January

Round-trip from

$277

One-way from

$66
High demand for flights, 24% potential price rise
Best time to find cheap flights, 31% potential price drop
From Seattle/Tacoma Intl to San Diego
One-way flight from Seattle/Tacoma Intl to San Diego

SEA - SAN

Price

$277 - $532

SAN

Temperature

57.2 - 71.6 °F

SAN

Rainfall

0 - 2.3 inches

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.

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

To save up to 105% on this flight, we recommend booking at least 33 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 $379 1-2 weeks out and tickets from $554 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 January, with the cheapest ticket starting at $136.

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

It’s optimal to fly from Seattle to San Diego in the morning. By choosing this option you can save up to 29% on the cost of your flight, compared to a flight at noon.

Cheap Spirit Airlines flights from Seattle to San Diego

Check out some of the cheapest Spirit Airlines flights we've come across from Seattle to San Diego. It's recommended that users confirm their flight details before booking.
  • 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 30% cheaper than other airlines traveling the same route. Flights from Spirit Airlines typically cost $266.42 RT. The cheapest Spirit Airlines flight found for this route was $109. 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 33% more popular than any other airline flying that same route.

Cheap Frontier flights from Seattle to San Diego

Browse through some of the cheapest Frontier flights traveling from Seattle to San Diego. Ensure the flight price, dates, time, and airline match your criteria before you book.
  • One of the most popular airlines traveling from Seattle to San Diego is Frontier. Flights from Frontier traveling this route typically cost $247.81 RT. This price is typically 32% cheaper than other airlines that offer Seattle to San Diego flights. When booking this route, the cheapest RT price found was $137. 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 32% more popular than any other airline flying that same route.

Cheap Seattle to San Diego flights in October & November 2023

The best prices found for SEA to SAN flights for October, November
These are some of the best deals we've found on flights to San Diego in 2023 at this time. More deals are always being added, so be sure to check back regularly.

Seattle to San Diego 2023 flight deals

Cheap flights to San Diego from Seattle found for this year
These are some of the best deals we've found on flights to San Diego in 2023 at this time. More deals are always being added, so be sure to check back regularly.

Non-stop flights to San Diego from Seattle

Save time with Seattle to San Diego direct flight deals
To help reduce your travel time, choose from one of these non-stop flights from Seattle to San Diego. Search for alternative flights from Seattle to San Diego by utilizing the search form above.

Seattle to San Diego flights leaving soon

Late deals on return flights to San Diego from Seattle, departing today and this week
Users seeking a last-minute flight from Seattle to San Diego should consider booking one of these fares. To prevent any unwanted surprises, users should verify their flight info before booking.

One-way flights to San Diego from Seattle

The cheapest one-way flights from Seattle to San Diego
Take a look at some of the one-way flights we've detected from Seattle to San Diego. For those needing a return trip from Seattle, there is a search form available above.

Find flights from Seattle to San Diego within your budget

Use the slider to find flights from Seattle to San Diego that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$76 - $193

Route

Depart

Return

Price

Seattle/Tacoma IntlSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Tue 10/31

1 stop6h 34m

San Diego

Tue 11/7

1 stop13h 35m

Seattle/Tacoma IntlSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Tue 10/17

1 stop16h 59m

San Diego

Wed 10/25

1 stop22h 54m

Seattle/Tacoma IntlSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Wed 11/29

1 stop7h 31m

San Diego

Sat 12/2

1 stop5h 19m

Seattle/Tacoma IntlSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Sat 10/21

1 stop10h 43m

San Diego

Tue 10/24

1 stop13h 35m

Seattle/Tacoma IntlSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Wed 11/8

1 stop6h 36m

San Diego

Sun 11/12

1 stop18h 18m

Seattle/Tacoma IntlSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Tue 10/17

1 stop12h 02m

San Diego

Sat 10/28

1 stop5h 06m

Seattle/Tacoma IntlSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Thu 2/8

Nonstop2h 48m

San Diego

Tue 2/13

Nonstop3h 18m

Seattle/Tacoma IntlSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Wed 11/1

1 stop6h 52m

San Diego

Mon 11/6

1 stop7h 00m

Seattle/Tacoma IntlSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Fri 11/3

Nonstop2h 46m

San Diego

Fri 11/3

Nonstop3h 09m

Flights are sorted by cheapest first

Deals found on 10/1

Reviews of airlines servicing San Diego

Read through reviews of airlines operating flights from Seattle to San Diego, such as Spirit Airlines, Frontier and Alaska Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
1,394 reviews

Comfort

8.0

Overall

8.1

Crew

8.6

Entertainment

7.2

Food

7.2

Boarding

8.3

Reviews

1 / 10

I could not get my devices to work on Alaska wi-fi network.

Alaska Airlines
8.1
Very good
1,394 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Comfort

8.0

Overall

8.1

Crew

8.6

Entertainment

7.2

Food

7.2

Boarding

8.3

Reviews

1 / 10

I could not get my devices to work on Alaska wi-fi network.

Delta
7.9
Good
3,023 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Comfort

8.0

Overall

8.1

Crew

8.6

Entertainment

7.2

Food

7.2

Boarding

8.3

Reviews

1 / 10

I could not get my devices to work on Alaska wi-fi network.

United Airlines
7.4
Good
1,890 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Comfort

8.0

Overall

8.1

Crew

8.6

Entertainment

7.2

Food

7.2

Boarding

8.3

Reviews

1 / 10

I could not get my devices to work on Alaska wi-fi network.

American Airlines
7.2
Good
2,635 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Comfort

8.0

Overall

8.1

Crew

8.6

Entertainment

7.2

Food

7.2

Boarding

8.3

Reviews

1 / 10

I could not get my devices to work on Alaska wi-fi network.

Spirit Airlines
6.3
Okay
1,486 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Comfort

8.0

Overall

8.1

Crew

8.6

Entertainment

7.2

Food

7.2

Boarding

8.3

Reviews

1 / 10

I could not get my devices to work on Alaska wi-fi network.

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 31 flights from Seattle/Tacoma Intl to San Diego, all of which are around 2h 42m for a nonstop flight. You can also purchase a plane ticket from 8 airlines when you book a flight from Seattle/Tacoma Intl to San Diego.

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 Multiple Airlines for just $76, but on average you can expect to pay $93.

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 $234.

Are there last-minute flights available from Seattle to San Diego for under $100?

There are currently 20+ open flights from Seattle to San Diego within the next 7 days for less than $100.

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

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

How popular is this Seattle to San Diego flight route?

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

Travelers can expect 78 flights from Seattle to San Diego on average per day.
Early Morning (Midnight to 6am) - 3% of flight departures
Morning (6am - Noon) - 27% of flight departures
Afternoon (Noon - 6pm) - 27% of flight departures
Evening (6pm - Midnight) - 44% of flight departures

How long is the flight from Seattle to San Diego?

Airlines like Frontier and Spirit Airlines fly from Seattle to San Diego in about 7h 31m. The time it takes to get you to your destination can typically vary by up to 9h 28m. 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, Frontier ($78), and Spirit Airlines ($79) offers the cheapest pricing from Seattle to San Diego. You may be able to fly from Seattle to San Diego for 71% 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 $34 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $39 and Delta from $69 one-way.

What are the most popular airlines that fly 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 Delta (84%), WestJet (82%) and Singapore Airlines (81%).

What are the cheapest flights from Seattle to San Diego?

On average you can expect to pay $286 for a flight from Seattle to San Diego. The cheapest flight overall is $69 while the most popular route, (Seattle/Tacoma Intl - San Diego) is currently priced at $76.

What does SEA to SAN mean?

Great question - SEA to SAN just means Seattle/Tacoma Intl Airport to San Diego Airport. Now you’ll know what these unique codes when you look for flights!

Alternative routes for Seattle to San Diego

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

Top 7 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-time
FrontierCheapest$89Average$197FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Spirit AirlinesCheapest$96Average$191FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
Alaska AirlinesCheapest$109Average$266FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
DeltaCheapest$137Average$248FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$139Average$398FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$147Average$377FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Endeavor AirlinesCheapest$218Average$308FlexibilityNo cancel feeOn-timeN/A
Search Endeavor Airlines flights

Hourly flight availability from Seattle to San Diego

See what time of day planes typically take off from Seattle to San Diego
7%of flight departuresEarly morningMidnight to 6 am
23%of flight departuresMorning6 am to noon
29%of flight departuresAfternoonNoon to 6 pm
41%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
Sunday35daily flights
Monday44daily flights
Tuesday15daily flights
Wednesday26daily flights
Thursday27daily flights
Friday42daily flights
Saturday28daily flights

Fly with Cheapflights

What makes Cheapflights the go-to destination for all your flight needs

How does Cheapflights help users find flights from Seattle to San Diego?

Cheapflights helps you search for flights from Seattle to San Diego via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Seattle to San Diego?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Seattle to San Diego.

Can Cheapflights find flights from Seattle to San Diego with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Seattle to San Diego flexibly with Cheapflights today.

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Of course! You can now track prices for flights from Seattle to San Diego and get an alert from Cheapflights when they change. Have a valid email address ready and make a flight search when you’re ready to set up your price alert.

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