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NT$4,233 Cheap United flights Seattle (SEA) to San Diego (SAN)

Prices were available within the past 7 days and start at NT$4,233 for one-way flights and NT$8,479 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Jan 14 - Wed, Jan 21
SEA
Seattle
SAN
San Diego
NT$8,479 Roundtrip, found 5 days ago
NT$8,479
Roundtrip
found 5 days ago
Select United flight, departing Wed, Jan 14 from Seattle to San Diego, returning Wed, Jan 21, priced at NT$8,479 found 5 days ago
United
Wed, Jan 14 - Wed, Jan 21
SEA
Seattle
SAN
San Diego
NT$8,636 Roundtrip, found 5 days ago
NT$8,636
Roundtrip
found 5 days ago
Select United flight, departing Wed, Jan 14 from Seattle to San Diego, returning Wed, Jan 21, priced at NT$8,636 found 5 days ago
United
Wed, Dec 17 - Wed, Dec 24
SEA
Seattle
SAN
San Diego
NT$8,642 Roundtrip, found 5 days ago
NT$8,642
Roundtrip
found 5 days ago
Select United flight, departing Wed, Dec 17 from Seattle to San Diego, returning Wed, Dec 24, priced at NT$8,642 found 5 days ago
United
Sat, Apr 4 - Sat, Apr 11
SEA
Seattle
SAN
San Diego
NT$13,604 Roundtrip, found 5 hours ago
NT$13,604
Roundtrip
found 5 hours ago
Select United flight, departing Sat, Apr 4 from Seattle to San Diego, returning Sat, Apr 11, priced at NT$13,604 found 5 hours ago

Frequently asked questions

How much is a United Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN)?
You'll discover cheap return United Airlines flights from NT$8,479 from SEA to SAN by organizing your results from "Price (lowest to highest)" on Expedia. Or look for options from NT$4,233 for a one-way trip.**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 United Airlines?
United Airlines flights to San Diego are often cheaper in the low-season months of January and November. Whether you're searching for a round-trip or one-way ticket, you could find a better deal then.
Does United Airlines fly nonstop from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN)?
Use our "Nonstop" filter when browsing for direct United Airlines flights from SEA to SAN. It's also a good way to compare other carriers servicing the same nonstop trip.
What airports does United Airlines fly into in San Diego?
Jump on a United Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to San Diego, and you'll probably land at San Diego Intl. Airport (SAN). This is the airline's primary hub in this city.
Can I change or cancel my United Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN)?
Changes are usually free within 24 hours of booking, but your airline may charge a fee after that. For more details about altering your flights, head to your "Trips," select your flight and click on "Manage Booking." If you want the freedom to change your plans without additional costs, apply the "Changes included" and "No cancel fee" filters when planning your next break.

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*Available to Expedia members.