Cheap Flights from San Diego (SAN) to Seattle (SEA) from HK$626~

View HK$626 flight on Mon, 12 Jan 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at HK$626 for one-way flights and HK$2,089 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sun, 21 Jun - Sun, 28 Jun
SAN
San Diego
SEA
Seattle
HK$2,089 Return, found 1 day ago
HK$2,089
Return
found 1 day ago
Select Delta flight, departing Sun, 21 Jun from San Diego to Seattle, returning Sun, 28 Jun, priced at HK$2,089 found 1 day ago
Delta
Sun, 21 Jun - Sun, 28 Jun
SAN
San Diego
SEA
Seattle
HK$2,906 Return, found 1 day ago
HK$2,906
Return
found 1 day ago
Select Delta flight, departing Sun, 21 Jun from San Diego to Seattle, returning Sun, 28 Jun, priced at HK$2,906 found 1 day ago
Delta
Sun, 21 Jun - Sun, 28 Jun
SAN
San Diego
SEA
Seattle
HK$2,993 Return, found 1 day ago
HK$2,993
Return
found 1 day ago
Select Delta flight, departing Sun, 21 Jun from San Diego to Seattle, returning Sun, 28 Jun, priced at HK$2,993 found 1 day ago
United
Sun, 21 Jun - Sun, 28 Jun
SAN
San Diego
SEA
Seattle
HK$3,155 Return, found 1 day ago
HK$3,155
Return
found 1 day ago
Select United flight, departing Sun, 21 Jun from San Diego to Seattle, returning Sun, 28 Jun, priced at HK$3,155 found 1 day ago
American Airlines
Sun, 21 Jun - Sun, 28 Jun
SAN
San Diego
SEA
Seattle
HK$3,261 Return, found 1 day ago
HK$3,261
Return
found 1 day ago
Select American Airlines flight, departing Sun, 21 Jun from San Diego to Seattle, returning Sun, 28 Jun, priced at HK$3,261 found 1 day ago
American Airlines
Sun, 21 Jun - Sun, 28 Jun
SAN
San Diego
SEA
Seattle
HK$3,519 Return, found 1 day ago
HK$3,519
Return
found 1 day ago
Select American Airlines flight, departing Sun, 21 Jun from San Diego to Seattle, returning Sun, 28 Jun, priced at HK$3,519 found 1 day ago
Delta
Sun, 21 Jun - Sun, 28 Jun
SAN
San Diego
SEA
Seattle
HK$3,573 Return, found 1 day ago
HK$3,573
Return
found 1 day ago
Select Delta flight, departing Sun, 21 Jun from San Diego to Seattle, returning Sun, 28 Jun, priced at HK$3,573 found 1 day ago
Delta
Sun, 21 Jun - Sun, 28 Jun
SAN
San Diego
SEA
Seattle
HK$3,649 Return, found 1 day ago
HK$3,649
Return
found 1 day ago
Select Delta flight, departing Sun, 21 Jun from San Diego to Seattle, returning Sun, 28 Jun, priced at HK$3,649 found 1 day ago
Delta
Sun, 21 Jun - Sun, 28 Jun
SAN
San Diego
SEA
Seattle
HK$3,723 Return, found 1 day ago
HK$3,723
Return
found 1 day ago
Select Delta flight, departing Sun, 21 Jun from San Diego to Seattle, returning Sun, 28 Jun, priced at HK$3,723 found 1 day ago
United
Sun, 21 Jun - Sun, 28 Jun
SAN
San Diego
SEA
Seattle
HK$3,736 Return, found 1 day ago
HK$3,736
Return
found 1 day ago
Select United flight, departing Sun, 21 Jun from San Diego to Seattle, returning Sun, 28 Jun, priced at HK$3,736 found 1 day ago

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

January is typically the cheapest month to fly

From HK$678 - HK$1,878 per traveller.

Alternative airports near Seattle

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

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city centre is 20 minutes. Flights from HK$3,746
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city centre20 min
Flights from HK$3,746
San Diego to Seattle route information
Origin airport
San Diego Intl.
Destination airport
Seattle - Tacoma Intl.
Return price
HK$2,089
Distance
1681 km
Average flight time
3 hours 14 mins

Flights from San Diego to Seattle

Book cheap flights from San Diego (SAN) to Seattle (SEA) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from San Diego (SAN) to Seattle (SEA) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your San Diego (SAN) to Seattle (SEA) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Seattle flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Seattle and things to do in Seattle for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Seattle more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Seattle is HK$626 now!

 

Frequently asked questions

How much is a flight from San Diego Airport to Sea-Tac Airport?
Start packing your suitcase, because round-trip journeys from San Diego Intl. Airport (SAN) to Seattle - Tacoma Intl. Airport (SEA) start from HK$2,089. That's based on airfares available within the last 7 days on Expedia for flights departing within the next year. Prices can change quickly, so book today to get the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SAN to Seattle - Tacoma Intl. Airport (SEA)?
This can differ between air carriers, as each one has its own set of terms and conditions. Visit the Customer Service Portal, where you'll find instructions on how to cancel online.
How do I find cheap flights from SAN to SEA 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 San Diego Intl. Airport (SAN) to SEA flights, you'll see a "no change fees" filter for you to select.
How far is the flight from SAN to SEA?
The flight distance from SAN to Sea-Tac Airport is 1,700 kilometers. Pack yourself a snack, a drink and a laptop filled with movies. Keep yourself entertained and the hours will zip by.
Which airlines fly direct from San Diego Airport to Seattle - Tacoma Intl. Airport (SEA)?
Many savvy travelers choose to fly with Alaska Airlines (AS) from San Diego Intl. Airport (SAN) to SEA. This popular airline offers 225 flights a month, so you can pick a flight time that's right for you. Operating 152 flights a month on this route, Delta Air Lines (DL) is another fantastic option.
Are SAN to Seattle - Tacoma Intl. Airport (SEA) flight tickets cheaper when they're purchased at the last minute?
It is possible to get amazing last-minute deals from SAN to Seattle - Tacoma Intl. Airport (SEA), but it's also possible to miss out altogether! As many airlines publish prices up to a year in advance, it's worth keeping an eye on fares early and being ready to pounce when you see a good bargain. Expedia compares carrier prices and updates flight deals frequently, so you can rest easy knowing you're always getting the latest offers.

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