₩154,200 Cheap Flights from Seattle (SEA) to San Diego (SAN)

View ₩154,200 flight on Tue, May 5, 2026Opens 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 ₩154,200 for one-way flights and ₩409,700 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, May 2 - Sun, May 3
SEA
Seattle
SAN
San Diego
₩409,700 Roundtrip, found 6 hours ago
₩409,700
Roundtrip
found 6 hours ago
Select Delta flight, departing Sat, May 2 from Seattle to San Diego, returning Sun, May 3, priced at ₩409,700 found 6 hours ago
United
Wed, Sep 23 - Mon, Sep 28
SEA
Seattle
SAN
San Diego
₩441,000 Roundtrip, found 3 days ago
₩441,000
Roundtrip
found 3 days ago
Select United flight, departing Wed, Sep 23 from Seattle to San Diego, returning Mon, Sep 28, priced at ₩441,000 found 3 days ago
Delta
Wed, Sep 23 - Mon, Sep 28
SEA
Seattle
SAN
San Diego
₩483,700 Roundtrip, found 3 days ago
₩483,700
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Sep 23 from Seattle to San Diego, returning Mon, Sep 28, priced at ₩483,700 found 3 days ago
United
Wed, Sep 23 - Mon, Sep 28
SEA
Seattle
SAN
San Diego
₩492,700 Roundtrip, found 3 days ago
₩492,700
Roundtrip
found 3 days ago
Select United flight, departing Wed, Sep 23 from Seattle to San Diego, returning Mon, Sep 28, priced at ₩492,700 found 3 days ago
United
Wed, Sep 23 - Mon, Sep 28
SEA
Seattle
SAN
San Diego
₩500,700 Roundtrip, found 3 days ago
₩500,700
Roundtrip
found 3 days ago
Select United flight, departing Wed, Sep 23 from Seattle to San Diego, returning Mon, Sep 28, priced at ₩500,700 found 3 days ago
United
Wed, Sep 23 - Mon, Sep 28
SEA
Seattle
SAN
San Diego
₩528,400 Roundtrip, found 3 days ago
₩528,400
Roundtrip
found 3 days ago
Select United flight, departing Wed, Sep 23 from Seattle to San Diego, returning Mon, Sep 28, priced at ₩528,400 found 3 days ago
American Airlines
Wed, Sep 23 - Mon, Sep 28
SEA
Seattle
SAN
San Diego
₩545,500 Roundtrip, found 3 days ago
₩545,500
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Sep 23 from Seattle to San Diego, returning Mon, Sep 28, priced at ₩545,500 found 3 days ago
United
Wed, Sep 23 - Mon, Sep 28
SEA
Seattle
SAN
San Diego
₩553,500 Roundtrip, found 3 days ago
₩553,500
Roundtrip
found 3 days ago
Select United flight, departing Wed, Sep 23 from Seattle to San Diego, returning Mon, Sep 28, priced at ₩553,500 found 3 days ago
Delta
Sat, May 2 - Sun, May 3
SEA
Seattle
SAN
San Diego
₩563,300 Roundtrip, found 6 hours ago
₩563,300
Roundtrip
found 6 hours ago
Select Delta flight, departing Sat, May 2 from Seattle to San Diego, returning Sun, May 3, priced at ₩563,300 found 6 hours ago
American Airlines
Wed, Sep 23 - Mon, Sep 28
SEA
Seattle
SAN
San Diego
₩575,300 Roundtrip, found 3 days ago
₩575,300
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Sep 23 from Seattle to San Diego, returning Mon, Sep 28, priced at ₩575,300 found 3 days ago

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

January is typically the cheapest month to fly

From ₩127,530 - ₩221,562 per traveler.

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 ₩409,700. 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.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
San Diego Intl.
Roundtrip price
₩409,700
Distance
1681 km
Average flight time
2 hours 47 mins
*Available to Expedia members.