Cheap flights from Seattle to San Diego

SEA — SAN
6 Feb — 13 Feb1
Return
1 adult
Economy
From?
To?
Mon 6/2
Mon 13/2

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.

SEA - SAN

Price

C$ 177 - C$ 357

SAN

Temperature

14 - 22 °C

SAN

Rainfall

0 - 58 mm

Popular inJulyHigh demand for flights, 23% potential price rise
Cheapest inJanuaryBest time to find cheap flights, 36% potential price drop
Round-trip fromC$ 237From Seattle/Tacoma Intl to San Diego
One-way fromC$ 122One-way flight from Seattle/Tacoma Intl to San Diego

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

Travellers have found that booking a Saturday departure is the best way to save up to 33% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

Find a great deal and save up to 97% by booking at least 32 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Seattle to San Diego within the next two weeks, with the cheapest ticket starting at C$ 496.

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

January can be a great time to fly to San Diego from Seattle with a flight ticket averaging about C$ 367. Cheapflights users have found deals in the month of January for as cheap as C$ 157. The most expensive prices can be found in the month of July.

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

It’s typically best to fly out from Seattle to San Diego in the evening. Doing so could potentially save you 9% on the flight price compared to flying in the afternoon, which is usually more expensive.

Cheap flights from Seattle to San Diego in February, March 2023

The best prices found for SEA to SAN flights for February, March
21 Feb. - 28 Feb.
SEA

Seattle/Tacoma Intl

SAN

San Diego

1 stop

4h 16m
SAN

San Diego

SEA

Seattle/Tacoma Intl

1 stop

12h 17m
C$ 130

Spirit Airlines

Deal found 1/2

14 Feb. - 21 Feb.
SEA

Seattle/Tacoma Intl

SAN

San Diego

1 stop

8h 49m
SAN

San Diego

SEA

Seattle/Tacoma Intl

1 stop

12h 39m
C$ 132

Spirit Airlines

Deal found 31/1

27 Feb. - 1 Mar.
SEA

Seattle/Tacoma Intl

SAN

San Diego

1 stop

8h 14m
SAN

San Diego

SEA

Seattle/Tacoma Intl

1 stop

12h 39m
C$ 158

Spirit Airlines

Deal found 31/1

Seattle to San Diego 2023 flight deals

Cheap flights to San Diego from Seattle found for this year
7 Mar. - 21 Mar.
SEA

Seattle/Tacoma Intl

SAN

San Diego

1 stop

4h 16m
SAN

San Diego

SEA

Seattle/Tacoma Intl

1 stop

4h 46m
C$ 119

Spirit Airlines

Deal found 31/1

22 Mar. - 28 Mar.
SEA

Seattle/Tacoma Intl

SAN

San Diego

1 stop

7h 11m
SAN

San Diego

SEA

Seattle/Tacoma Intl

1 stop

5h 51m
C$ 120

Spirit Airlines

Deal found 29/1

21 Feb. - 28 Feb.
SEA

Seattle/Tacoma Intl

SAN

San Diego

1 stop

4h 16m
SAN

San Diego

SEA

Seattle/Tacoma Intl

1 stop

12h 17m
C$ 130

Spirit Airlines

Deal found 1/2

Cheap Spirit Airlines flights from Seattle to San Diego

7 Mar. - 21 Mar.
SEA

Seattle/Tacoma Intl

SAN

San Diego

1 stop

4h 16m
SAN

San Diego

SEA

Seattle/Tacoma Intl

1 stop

4h 46m
C$ 119

Spirit Airlines

Deal found 31/1

22 Mar. - 28 Mar.
SEA

Seattle/Tacoma Intl

SAN

San Diego

1 stop

7h 11m
SAN

San Diego

SEA

Seattle/Tacoma Intl

1 stop

5h 51m
C$ 120

Spirit Airlines

Deal found 29/1

21 Feb. - 28 Feb.
SEA

Seattle/Tacoma Intl

SAN

San Diego

1 stop

4h 16m
SAN

San Diego

SEA

Seattle/Tacoma Intl

1 stop

12h 17m
C$ 130

Spirit Airlines

Deal found 1/2

Cheap Alaska Airlines flights from Seattle to San Diego

8 Feb. - 15 Feb.
SEA

Seattle/Tacoma Intl

SAN

San Diego

1 stop

5h 51m
SAN

San Diego

SEA

Seattle/Tacoma Intl

Nonstop

3h 06m
C$ 545

Alaska Airlines

Deal found 1/2

9 Feb. - 18 Feb.
SEA

Seattle/Tacoma Intl

SAN

San Diego

1 stop

4h 37m
SAN

San Diego

SEA

Seattle/Tacoma Intl

Nonstop

3h 04m
C$ 546

Alaska Airlines

Deal found 1/2

8 Feb. - 19 Feb.
SEA

Seattle/Tacoma Intl

SAN

San Diego

Nonstop

2h 45m
SAN

San Diego

SEA

Seattle/Tacoma Intl

Nonstop

3h 04m
C$ 586

Alaska Airlines

Deal found 29/1

Direct flights to San Diego from Seattle

Save time with Seattle to San Diego direct flight deals
29 Mar. - 29 Mar.
SEA

Seattle/Tacoma Intl

SAN

San Diego

Nonstop

2h 48m
SAN

San Diego

SEA

Seattle/Tacoma Intl

Nonstop

3h 04m
C$ 285

Alaska Airlines

Deal found 29/1

7 Mar. - 21 Mar.
SEA

Seattle/Tacoma Intl

SAN

San Diego

Nonstop

2h 44m
SAN

San Diego

SEA

Seattle/Tacoma Intl

Nonstop

3h 07m
C$ 288

Multiple Airlines

Deal found 31/1

11 Mar. - 27 Mar.
SEA

Seattle/Tacoma Intl

SAN

San Diego

Nonstop

2h 44m
SAN

San Diego

SEA

Seattle/Tacoma Intl

Nonstop

3h 02m
C$ 290

Alaska Airlines

Deal found 31/1

Last minute flights from Seattle to San Diego

Late deals on round-trip flights to San Diego from Seattle, departing today and this week
11 Feb. - 16 Feb.
SEA

Seattle/Tacoma Intl

SAN

San Diego

1 stop

6h 30m
SAN

San Diego

SEA

Seattle/Tacoma Intl

1 stop

11h 08m
C$ 186

Spirit Airlines

Deal found 29/1

11 Feb. - 15 Feb.
SEA

Seattle/Tacoma Intl

SAN

San Diego

1 stop

6h 30m
SAN

San Diego

SEA

Seattle/Tacoma Intl

1 stop

12h 39m
C$ 189

Spirit Airlines

Deal found 29/1

11 Feb. - 11 Feb.
SEA

Seattle/Tacoma Intl

SAN

San Diego

1 stop

8h 45m
SAN

San Diego

SEA

Seattle/Tacoma Intl

1 stop

12h 39m
C$ 203

Spirit Airlines

Deal found 29/1

One-way flights to San Diego from Seattle

The cheapest one-way flights from Seattle to San Diego
22 Apr.
SEA

Seattle/Tacoma Intl

SAN

San Diego

1 stop

20h 04m
C$ 122

Frontier

Deal found 30/1

2 Mar.
SEA

Seattle/Tacoma Intl

SAN

San Diego

Nonstop

2h 44m
C$ 146

Alaska Airlines

Deal found 1/2

15 Feb.
SEA

Seattle/Tacoma Intl

SAN

San Diego

1 stop

4h 48m
C$ 151

Alaska Airlines

Deal found 31/1

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?

To fly from Seattle to San Diego, you need to book a flight from Seattle/Tacoma Intl (SEA) to San Diego (SAN). Nonstop flights to San Diego from Seattle/Tacoma Intl take 2h 38m on average. When it comes time to book airfare, you have a few options: there are 25 outbound flights from Seattle/Tacoma Intl to San Diego offered by 5 different airlines.

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

Alaska Airlines, Delta, and Spirit Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

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

Yes, there are multiple flights from Seattle to San Diego for under C$ 200. The cheapest flight booked recently is on Spirit Airlines for just C$ 119, but on average you can expect to pay C$ 159.

Are there direct flights from Seattle to San Diego for under C$ 300 on Cheapflights?

Cheapflights has 20 direct flights from Seattle to San Diego under C$ 300. A good price for a direct flight from Seattle to San Diego is less than C$ 376.

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

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

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

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

How popular is this Seattle to San Diego flight route?

Flights from Seattle/Tacoma Intl to San Diego have been viewed 96 times in the past calendar month.

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

On average, you can expect to see 18 flights from Seattle to San Diego a day.
Morning (6am - Midday) - 33% of flight departures
Afternoon (Noon - 6pm) - 17% of flight departures
Evening (6pm - Midnight) - 50% of flight departures

How long is the flight from Seattle to San Diego?

A quick flight from Seattle to San Diego can take about 4h 16m. Spirit Airlines provides one of the quickest options available for as low as C$ 119. Seattle and San Diego are separated by a distance of 1701 km.

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

Spirit Airlines, at C$ 119, was found to be the cheapest airline from Seattle to San Diego.. Spirit Airlines is priced at 67% lower than the current average price of a flight leaving 3 months from now.

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 C$ 122 on Frontier. Other airlines that offer cheap prices include Alaska Airlines from C$ 146 and Delta from C$ 186 one-way.

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

Endeavor Airlines, American Airlines and Alaska Airlines are the most popular airlines when flying from Seattle to San Diego.

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

No one likes to see their flight delayed. When booking a flight from Seattle to San Diego consider choosing KLM (82%), Qatar Airways (79%) or Air France (74%) as they are the most reliable in getting you off to your destination on time.

What are the cheapest flights from Seattle to San Diego?

The cheapest flight price from Seattle to San Diego is C$ 93. On average you can expect to pay C$ 620. The most popular route, (Seattle/Tacoma Intl - San Diego), can usually be booked for C$ 120.

Alternative routes for Seattle to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Los Angelesfrom C$ 129 pp
Seattle to San Josefrom C$ 159 pp
Seattle to Santa Anafrom C$ 196 pp
Seattle to Oaklandfrom C$ 238 pp

Top 3 airlines flying from Seattle to San Diego

The chart below displays the airlines Cheapflights users travelling 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
Spirit AirlinesCheapestC$ 112AverageC$ 222FlexibilityNo cancel feeOn-time65%COVID-19 safety
Search Spirit Airlines flights
Alaska AirlinesCheapestC$ 118AverageC$ 291FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search Alaska Airlines flights
DeltaCheapestC$ 138AverageC$ 284FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights

Hourly flight availability from Seattle to San Diego

See what time of day planes typically take off from Seattle to San Diego
5%of flight departuresEarly morningMidnight to 6 am
37%of flight departuresMorning6 am to noon
41%of flight departuresAfternoonNoon to 6 pm
17%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
Sunday25daily flights
Monday35daily flights
Tuesday33daily flights
Wednesday26daily flights
Thursday19daily flights
Friday26daily flights
Saturday15daily flights
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