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

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The best prices from Seattle-Tacoma International 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-Tacoma International (SEA) to San Diego (SAN)

SEA - SAN
Price
$137 - $249
SAN
Temperature
66.2 - 80.6 °F
SAN
Rainfall
0 - 2.8 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 International to San Diego

One-way from

$69

One-way flight from Seattle-Tacoma International to San Diego

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Seattle-Tacoma International to San Diego?

Flights from Seattle-Tacoma International to San Diego are found to be more expensive on Saturday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Diego.

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

To save on the cost of your flight from Seattle-Tacoma International to San Diego, book at least 17 days before your planned departure. Booking around this time can save you about 27% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $73 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $98.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, July can be a great choice for travel to San Diego. Flights to San Diego from Seattle-Tacoma International in July are about $80 on average during July, but can be found for as low as $44.

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

It’s optimal to fly from Seattle-Tacoma International to San Diego at noon. By choosing this option you can save up to 12% on the cost of your flight, compared to a flight in the evening.

Cheap flights from Seattle-Tacoma International to San Diego in January, February 2021

The best prices found for SEA to SAN flights for January, February
26 Feb - 1 Mar
$87pp
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
19 Feb - 24 Feb
$88pp
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
5 Feb - 8 Feb
$93pp
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl

Seattle-Tacoma International to San Diego 2021 flight deals

Cheap flights to San Diego from Seattle-Tacoma International found for this year
26 Feb - 1 Mar
$87pp
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
19 Feb - 24 Feb
$88pp
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
5 Feb - 8 Feb
$93pp
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl

Non-stop flights to San Diego from Seattle-Tacoma International

Save time with Seattle-Tacoma International to San Diego direct flight deals
24 Mar - 31 Mar
$100pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
19 Feb - 19 Feb
$112pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
17 Mar - 20 Mar
$113pp
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-Tacoma International to San Diego

Late deals on round-trip flights to San Diego from Seattle-Tacoma International, departing today and this week
3 Feb - 6 Feb
$111pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
3 Feb - 6 Feb
$115pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
3 Feb - 8 Feb
$116pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl

One-way flights to San Diego from Seattle-Tacoma International

The cheapest one-way flights from Seattle-Tacoma International to San Diego
8:25 am - 10:58 am
Delta
Nonstop
2h 33m
SEA - SAN
Delta
$69
Delta
6:32 am - 3:08 pm
Spirit Airlines
1 Stop
8h 36m
SEA - SAN
Spirit Airlines
$70
mytrip.com
2:30 am - 1:25 pm
American Airlines
1 Stop
10h 55m
SEA - SAN
American Airlines

Related info for your journey

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

Flight FAQs

From Seattle-Tacoma International 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.

What safety measures are being taken by airlines flying from Seattle/Tacoma Intl to San Diego to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Alaska Airlines and Delta are some airlines that have done so. Airline carriers are regularly disinfecting and sanitizing their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially distanced seating (for a limited time) will work towards keeping travelers safer while flying from Seattle/Tacoma Intl to San Diego. Policies will vary by airline.

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-Tacoma International to San Diego for under $100 on Cheapflights?

Yes, there are multiple flights from Seattle-Tacoma International to San Diego for under $100. The cheapest flight booked recently is on Frontier for just $87, but on average you can expect to pay $103.

Are there nonstop flights from Seattle-Tacoma International to San Diego for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from Seattle-Tacoma International to San Diego under $100. A good price for a nonstop flight from Seattle-Tacoma International to San Diego is less than $125.

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

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

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

You can find nonstop flights on the following days: Monday, Saturday.

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

3 flight departures from Seattle/Tacoma Intl to San Diego per day on average.
Morning (6am - Noon) - 33% of flight departures
Afternoon (Noon - 6pm) - 67% of flight departures

Does it rain more in Seattle or San Diego?

Expected rainfall in Seattle is less than in San Diego. You can expect this to be the case over the next 24 days.

Is Seattle weather warmer or cooler than San Diego?

Expect the weather to be around 81 °F on average in August. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in San Diego is generally hotter than in Seattle.

How long is the flight from Seattle-Tacoma International to San Diego?

Departing from Seattle-Tacoma International to San Diego will take you 2h 33m. Seattle-Tacoma International and San Diego are separated by a distance of 1057 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from Seattle-Tacoma International to San Diego round-trip?

According to our current data, Frontier ($87), Alaska Airlines ($115), and Delta ($117) offers the cheapest pricing from Seattle-Tacoma International to San Diego. Frontier is currently priced 51% below the average price you’ll pay for this route.

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

One-way options have recently been found by users for as low as $46 on Frontier. Other airlines that offer cheap prices include Alaska Airlines from $47 and Delta from $59 one-way.

Alternative routes for Seattle-Tacoma International to San Diego

Destination information for San Diego

Things to know before you go. Useful info for your trip from Seattle-Tacoma International to San Diego
Flight duration
2h 49m
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 International to San Diego

The chart below displays the airlines Cheapflights users traveling from Seattle-Tacoma International 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%
Spirit Airlines
$74 $174 No cancel fee 65%
Frontier
$106 $182 No cancel fee 62%
Alaska Airlines
$68 $199 No cancel fee 75%
Delta
$68 $207 No cancel fee N/A
Southwest
$78 $263 No cancel fee 63%
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.

American Airlines
$102 $329 No cancel fee 71%

Hourly flight availability from Seattle-Tacoma International to San Diego

Morning 6 AM to noon 36% of SEA to SAN departures
Afternoon Noon to 6 PM 28% of SEA to SAN departures
Evening 6 PM to midnight 28% of SEA to SAN departures
Early morning Midnight to 6 AM 8% of SEA to SAN departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Seattle-Tacoma International to San Diego
Sunday
13 daily flights
Monday
14 daily flights
Tuesday
11 daily flights
Wednesday
11 daily flights
Thursday
12 daily flights
Friday
12 daily flights
Saturday
13 daily flights
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