₩137,000 Cheap Flights from Seattle (SEA) to San Diego (SAN)

View ₩137,000 flight on Wed, Oct 1, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to San Diego Intl. Airport (SAN)

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

Prices were available within the past 7 days and start at ₩137,000 for one-way flights and ₩343,000 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Dec 20 - Wed, Dec 24
SEA
Seattle
SAN
San Diego
₩343,000 Roundtrip, found 2 days ago
₩343,000
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Dec 20 from Seattle to San Diego, returning Wed, Dec 24, priced at ₩343,000 found 2 days ago
Delta
Sat, Dec 20 - Wed, Dec 24
SEA
Seattle
SAN
San Diego
₩374,800 Roundtrip, found 2 days ago
₩374,800
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Dec 20 from Seattle to San Diego, returning Wed, Dec 24, priced at ₩374,800 found 2 days ago
Delta
Thu, Sep 18 - Sat, Sep 20
SEA
Seattle
SAN
San Diego
₩387,200 Roundtrip, found 5 days ago
₩387,200
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Sep 18 from Seattle to San Diego, returning Sat, Sep 20, priced at ₩387,200 found 5 days ago
Delta
Tue, Sep 16 - Tue, Sep 23
SEA
Seattle
SAN
San Diego
₩413,000 Roundtrip, found 1 day ago
₩413,000
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Sep 16 from Seattle to San Diego, returning Tue, Sep 23, priced at ₩413,000 found 1 day ago
Delta
Sat, Dec 20 - Wed, Dec 24
SEA
Seattle
SAN
San Diego
₩433,200 Roundtrip, found 2 days ago
₩433,200
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Dec 20 from Seattle to San Diego, returning Wed, Dec 24, priced at ₩433,200 found 2 days ago
Delta
Sat, Dec 20 - Wed, Dec 24
SEA
Seattle
SAN
San Diego
₩446,800 Roundtrip, found 2 days ago
₩446,800
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Dec 20 from Seattle to San Diego, returning Wed, Dec 24, priced at ₩446,800 found 2 days ago
Delta
Thu, Sep 18 - Fri, Sep 19
SEA
Seattle
SAN
San Diego
₩456,900 Roundtrip, found 5 days ago
₩456,900
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Sep 18 from Seattle to San Diego, returning Fri, Sep 19, priced at ₩456,900 found 5 days ago
Delta
Wed, Dec 24 - Sat, Jan 3
SEA
Seattle
SAN
San Diego
₩465,300 Roundtrip, found 5 days ago
₩465,300
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Dec 24 from Seattle to San Diego, returning Sat, Jan 3, priced at ₩465,300 found 5 days ago
American Airlines
Sat, Dec 20 - Wed, Dec 24
SEA
Seattle
SAN
San Diego
₩485,500 Roundtrip, found 2 days ago
₩485,500
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Dec 20 from Seattle to San Diego, returning Wed, Dec 24, priced at ₩485,500 found 2 days ago
United
Thu, Sep 18 - Sat, Sep 20
SEA
Seattle
SAN
San Diego
₩496,300 Roundtrip, found 5 days ago
₩496,300
Roundtrip
found 5 days ago
Select United flight, departing Thu, Sep 18 from Seattle to San Diego, returning Sat, Sep 20, priced at ₩496,300 found 5 days ago

Find the cheapest month to fly from Seattle (SEA) to San Diego (SAN)

November is typically the cheapest month to fly

From ₩112,822 - ₩346,938 per traveler.

Graph displaying average flight prices per month

Flights from Seattle (SEA) to San Diego (SAN)
Origin airport
Seattle - Tacoma Intl.
Destination airport
San Diego Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
₩323,000
Distance
1681 km
Average flight time
2 hours 54 mins

Seattle to San Diego Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Seattle to San Diego will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring San Diego.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with SEA to SAN flights that won’t make your bank account wince. Ready to temporarily leave behind Seattle for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to SAN with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Frequently asked questions

How much is a flight from SEA to San Diego Airport?
Based on airfares available within the last 7 days on Expedia for flights departing within the next year, round-trip journeys from Seattle - Tacoma Intl. Airport (SEA) to San Diego Airport start from ₩343,000. Book now to score the best price for your journey. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SEA to San Diego Intl. Airport (SAN)?
The majority of flights can be canceled online, but whether you incur a fee varies between airlines. If you do have to cancel your break, follow the instructions in the Customer Service Portal.
How do I find cheap flights from SEA to San Diego Intl. Airport (SAN) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Seattle - Tacoma Intl. Airport (SEA) to SAN flights, you'll see a "no change fees" filter for you to select.
How far is the flight from SEA to SAN?
The flight distance from SEA to San Diego Intl. Airport (SAN) is 1,700 kilometers. Bring along a drink, a snack and a few good podcasts. Keep yourself entertained and the hours will fly by.
Which airlines fly direct from SEA to SAN?
There are several airlines that fly directly from Sea-Tac Airport to San Diego Intl. Airport (SAN). Alaska Airlines (AS) is a top choice, offering 225 flights on this route each month. If you want more options, check out the deals with Delta Air Lines (DL). This carrier operates 152 flights every month between these airports.
Are Seattle - Tacoma Intl. Airport (SEA) to SAN flight tickets cheaper when they're purchased at the last minute?
Tickets from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN) are available up to 12 months before departure on Expedia. And although you may occasionally score fantastic last-minute deals, it's not something you should count on. Also, booking your flights in advance means you'll have more choices — and you can avoid getting caught in the dreaded middle seat! We regularly update our fares to make sure you get the biggest bargains, so check back often for all the latest specials.

Explore a world of travel with Expedia

Seattle nearby Airports

Seattle Paine Field Intl. Airport

Seattle Paine Field Intl. Airport to San Diego
₩454,100
*Available to Expedia members.