฿2,805 Cheap Delta flights from Seattle to San Diego (SEA→SAN)

View ฿2,805 flight on Fri, 23 Jan 2026Opens in a new window
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Delta flights from Seattle to San Diego (SEA→SAN)

Prices were available within the past 7 days and start at ฿2,805 for one-way flights and ฿3,775 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 22 Jan - Wed, 28 Jan
SEA
Seattle
SAN
San Diego
฿3,775 Return, found 5 days ago
฿3,775
Return
found 5 days ago
Select Delta flight, departing Thu, 22 Jan from Seattle to San Diego, returning Wed, 28 Jan, priced at ฿3,775 found 5 days ago
Delta
Fri, 23 Jan - Sun, 25 Jan
SEA
Seattle
SAN
San Diego
฿4,355 Return, found 3 days ago
฿4,355
Return
found 3 days ago
Select Delta flight, departing Fri, 23 Jan from Seattle to San Diego, returning Sun, 25 Jan, priced at ฿4,355 found 3 days ago
Delta
Fri, 23 Jan - Sun, 25 Jan
SEA
Seattle
SAN
San Diego
฿5,885 Return, found 3 days ago
฿5,885
Return
found 3 days ago
Select Delta flight, departing Fri, 23 Jan from Seattle to San Diego, returning Sun, 25 Jan, priced at ฿5,885 found 3 days ago
Delta
Thu, 22 Jan - Wed, 28 Jan
SEA
Seattle
SAN
San Diego
฿6,620 Return, found 5 days ago
฿6,620
Return
found 5 days ago
Select Delta flight, departing Thu, 22 Jan from Seattle to San Diego, returning Wed, 28 Jan, priced at ฿6,620 found 5 days ago
Delta
Thu, 22 Jan - Wed, 28 Jan
SEA
Seattle
SAN
San Diego
฿6,785 Return, found 5 days ago
฿6,785
Return
found 5 days ago
Select Delta flight, departing Thu, 22 Jan from Seattle to San Diego, returning Wed, 28 Jan, priced at ฿6,785 found 5 days ago
Delta
Fri, 23 Jan - Sun, 25 Jan
SEA
Seattle
SAN
San Diego
฿6,860 Return, found 3 days ago
฿6,860
Return
found 3 days ago
Select Delta flight, departing Fri, 23 Jan from Seattle to San Diego, returning Sun, 25 Jan, priced at ฿6,860 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 ฿2,788 - ฿5,030 per traveller.
Flight from Seattle to San Diego route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
San Diego Intl.
Distance
1681 km
Average flight time
2 hours 50 mins

Frequently asked questions

How much is a Delta Air Lines flight from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN)?
You'll find budget-friendly return Delta Air Lines flights from ฿3,775 from SEA to SAN by organising your results from "Price (lowest to highest)" on Expedia. Or look for options from ฿2,805 for a one-way journey.**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 Delta Air Lines?
January is one of the cheapest months to jet off to San Diego with Delta Air Lines. You could also find fantastic deals on one-way and return tickets in November.
Does Delta Air Lines fly nonstop from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN)?
You can easily fly from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN) on one of Delta Air Lines's 31 direct weekly flights. Apply our "Nonstop" and "Airline" filters to find the Delta Air Lines flight that'll arrive at SAN at your preferred time.
How long does it take to fly from SEA to SAN with Delta Air Lines?
It takes around 2h 50m to fly nonstop from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN) with Delta Air Lines.
Which day of the week has the most Delta Air Lines flights from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN)?
If flexibility is what you're after, Sunday offers the most choice for Delta Air Lines flights from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN). You can select from 5 different departures.
What airports does Delta Air Lines fly into in San Diego?
Jump on a Delta Air Lines flight from Seattle - Tacoma Intl. Airport (SEA) to San Diego, and you'll likely land at San Diego Intl. Airport (SAN). This is the airline's primary hub in this city.
What type of plane does Delta Air Lines fly from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN)?
Delta Air Lines typically uses Boeing 737-800 planes for flights from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN). This carrier also operates the Airbus A220-300 on this route. Bear in mind that aircraft type can change depending on operational demands, so the plane you board might be different on the day.
Can I change or cancel my Delta Air Lines flight from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN)?
It's usually possible to change or cancel your flight, although additional charges may apply if you made your booking over 24 hours ago. Need to keep your options open? Use our "No cancel fee" or "Changes included" filter to find flights that won't charge you extra if you need to adjust your plans. To update your itinerary, go to "Trips," select your flight and click on "Manage Booking" for more details.

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