Cheap Flights from San Diego (SAN) to Seattle (SEA) from HK$777~

View HK$777 flight on Sat, 6 Sep 2025Opens 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$777 for one-way flights and HK$1,242 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 6 Sep - Sat, 13 Sep
SAN
San Diego
SEA
Seattle
HK$1,242 Return, found 3 days ago
HK$1,242
Return
found 3 days ago
Select Delta flight, departing Sat, 6 Sep from San Diego to Seattle, returning Sat, 13 Sep, priced at HK$1,242 found 3 days ago
Delta
Sat, 6 Sep - Sat, 13 Sep
SAN
San Diego
SEA
Seattle
HK$1,790 Return, found 3 days ago
HK$1,790
Return
found 3 days ago
Select Delta flight, departing Sat, 6 Sep from San Diego to Seattle, returning Sat, 13 Sep, priced at HK$1,790 found 3 days ago
United
Sat, 6 Sep - Sat, 13 Sep
SAN
San Diego
SEA
Seattle
HK$1,792 Return, found 3 days ago
HK$1,792
Return
found 3 days ago
Select United flight, departing Sat, 6 Sep from San Diego to Seattle, returning Sat, 13 Sep, priced at HK$1,792 found 3 days ago
Delta
Sat, 6 Sep - Sat, 13 Sep
SAN
San Diego
SEA
Seattle
HK$1,909 Return, found 3 days ago
HK$1,909
Return
found 3 days ago
Select Delta flight, departing Sat, 6 Sep from San Diego to Seattle, returning Sat, 13 Sep, priced at HK$1,909 found 3 days ago
Delta
Sat, 6 Sep - Sat, 13 Sep
SAN
San Diego
SEA
Seattle
HK$1,943 Return, found 3 days ago
HK$1,943
Return
found 3 days ago
Select Delta flight, departing Sat, 6 Sep from San Diego to Seattle, returning Sat, 13 Sep, priced at HK$1,943 found 3 days ago
United
Sat, 6 Sep - Sat, 13 Sep
SAN
San Diego
SEA
Seattle
HK$2,020 Return, found 3 days ago
HK$2,020
Return
found 3 days ago
Select United flight, departing Sat, 6 Sep from San Diego to Seattle, returning Sat, 13 Sep, priced at HK$2,020 found 3 days ago
American Airlines
Sat, 6 Sep - Sat, 13 Sep
SAN
San Diego
SEA
Seattle
HK$2,070 Return, found 3 days ago
HK$2,070
Return
found 3 days ago
Select American Airlines flight, departing Sat, 6 Sep from San Diego to Seattle, returning Sat, 13 Sep, priced at HK$2,070 found 3 days ago
United
Sat, 6 Sep - Sat, 13 Sep
SAN
San Diego
SEA
Seattle
HK$2,072 Return, found 3 days ago
HK$2,072
Return
found 3 days ago
Select United flight, departing Sat, 6 Sep from San Diego to Seattle, returning Sat, 13 Sep, priced at HK$2,072 found 3 days ago
United
Sat, 6 Sep - Sat, 13 Sep
SAN
San Diego
SEA
Seattle
HK$2,104 Return, found 3 days ago
HK$2,104
Return
found 3 days ago
Select United flight, departing Sat, 6 Sep from San Diego to Seattle, returning Sat, 13 Sep, priced at HK$2,104 found 3 days ago
United
Sat, 6 Sep - Sat, 13 Sep
SAN
San Diego
SEA
Seattle
HK$2,137 Return, found 3 days ago
HK$2,137
Return
found 3 days ago
Select United flight, departing Sat, 6 Sep from San Diego to Seattle, returning Sat, 13 Sep, priced at HK$2,137 found 3 days ago

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

January is typically the cheapest month to fly

From HK$683 - HK$1,974 per traveller.

Graph displaying average flight prices per month

San Diego to Seattle route information
Origin airport
San Diego Intl.
Destination airport
Seattle - Tacoma Intl.
Return price
HK$1,242
Distance
1681 km
Average flight time
2 hours 58 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$777 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$1,242. 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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