₩336,300 Cheap Alaska Airlines flights Seattle (SEA) to San Diego (SAN)

View ₩336,300 flight on Wed, Dec 31, 2025Opens in a new window
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₩336,300 Cheap Alaska Airlines flights Seattle (SEA) to San Diego (SAN)

Prices were available within the past 7 days and start at ₩336,300 for one-way flights and ₩574,600 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu, Dec 25 - Wed, Jan 7
SEA
Seattle
SAN
San Diego
₩574,600 Roundtrip, found 4 days ago
₩574,600
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Thu, Dec 25 from Seattle to San Diego, returning Wed, Jan 7, priced at ₩574,600 found 4 days ago

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

January is typically the cheapest month to fly

From ₩128,106 - ₩231,112 per traveler.

Alternative airports near San Diego

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Diego Intl. SAN. Cheapest and Closest option available. Average driving time to city center is 5 minutes. Flights from ₩760,900
SAN
San Diego Intl.
CheapestClosest
Average driving time to city center5 min
Flights from ₩760,900
Flights from Seattle (SEA) to San Diego (SAN)
Origin airport
Seattle - Tacoma Intl.
Destination airport
San Diego Intl.
Airlines serving
American Airlines, Delta, Hawaiian Airlines, United
Popular airline
Delta
Distance
1681 km
Average flight time
2 hours 49 mins

Frequently asked questions

How much is an Alaska Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN)?
Finding cheap one-way Alaska Airlines flights from SEA to SAN from ₩336,300 on Expedia couldn't be easier — just filter by "Price (lowest to highest)." Or check out our budget-friendly return fares from ₩574,600 for your next exciting adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from SEA to SAN with Alaska Airlines?
Browse for one-way or round-trip flights to San Diego in January or November. You could find cheaper fares with Alaska Airlines during these quieter months.
Does Alaska Airlines fly nonstop from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN)?
Alaska Airlines has direct flights from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN), with 49 weekly departures. Simply choose the "Nonstop" and "Airline" filters during your search on Expedia to find all direct Alaska Airlines flights to SAN.
How long does it take to fly from SEA to SAN with Alaska Airlines?
It takes approximately 2h 45m to travel nonstop from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN) with Alaska Airlines.
Which day of the week has the most Alaska Airlines flights from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN)?
If you're looking for flexibility, Sunday offers the most choice for Alaska Airlines flights from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN). Take your pick of 7 different departures.
What airports does Alaska Airlines fly into in San Diego?
Hop on an Alaska Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to San Diego, and you're most likely to land at San Diego Intl. Airport (SAN). This is the airline's main hub in this city.
What type of plane does Alaska Airlines fly from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN)?
Alaska Airlines typically flies Boeing 737-900 planes for flights from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN). This airline also operates the Boeing 737 MAX 9 on this route. Remember that aircraft type can vary depending on operational needs, so the plane you board could be different on the day you travel.
Can I change or cancel my Alaska Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN)?
Depending on the type of ticket you purchased, a fee may apply if you cancel or change your booking more than 24 hours after it's confirmed. To find plane tickets with more flexibility, select our "No cancel fee" or "Changes included" filter when looking for flights. To learn more about modifying or canceling your reservation, head to "Trips," select your flight and tick "Manage Booking."
*Available to Expedia members.