￥16,450 Cheap Flights from San Diego (SAN) to Seattle (SEA)

View ￥16,450 flight on Wed, May 6, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at ￥16,450 for one-way flights and ￥26,340 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, May 12 - Tue, May 26
SAN
San Diego
SEA
Seattle
￥26,340 Roundtrip, found 4 days ago
￥26,340
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, May 12 from San Diego to Seattle, returning Tue, May 26, priced at ￥26,340 found 4 days ago
Delta
Fri, May 8 - Tue, May 26
SAN
San Diego
SEA
Seattle
￥30,530 Roundtrip, found 4 days ago
￥30,530
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, May 8 from San Diego to Seattle, returning Tue, May 26, priced at ￥30,530 found 4 days ago
Alaska Airlines
Tue, May 12 - Tue, Jun 30
SAN
San Diego
SEA
Seattle
￥32,790 Roundtrip, found 5 days ago
￥32,790
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, May 12 from San Diego to Seattle, returning Tue, Jun 30, priced at ￥32,790 found 5 days ago
Alaska Airlines
Tue, May 12 - Tue, Jun 30
SAN
San Diego
SEA
Seattle
￥32,900 Roundtrip, found 5 days ago
￥32,900
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, May 12 from San Diego to Seattle, returning Tue, Jun 30, priced at ￥32,900 found 5 days ago
Delta
Fri, Jun 5 - Sat, Jun 6
SAN
San Diego
SEA
Seattle
￥34,470 Roundtrip, found 12 hours ago
￥34,470
Roundtrip
found 12 hours ago
Select Delta flight, departing Fri, Jun 5 from San Diego to Seattle, returning Sat, Jun 6, priced at ￥34,470 found 12 hours ago
Delta
Fri, May 8 - Thu, May 28
SAN
San Diego
SEA
Seattle
￥34,610 Roundtrip, found 4 days ago
￥34,610
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, May 8 from San Diego to Seattle, returning Thu, May 28, priced at ￥34,610 found 4 days ago
Alaska Airlines
Tue, May 12 - Tue, Jun 30
SAN
San Diego
SEA
Seattle
￥35,330 Roundtrip, found 5 days ago
￥35,330
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, May 12 from San Diego to Seattle, returning Tue, Jun 30, priced at ￥35,330 found 5 days ago
Alaska Airlines
Tue, May 12 - Tue, Jun 30
SAN
San Diego
SEA
Seattle
￥36,510 Roundtrip, found 5 days ago
￥36,510
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, May 12 from San Diego to Seattle, returning Tue, Jun 30, priced at ￥36,510 found 5 days ago
United
Tue, May 12 - Tue, Jun 30
SAN
San Diego
SEA
Seattle
￥37,510 Roundtrip, found 5 days ago
￥37,510
Roundtrip
found 5 days ago
Select United flight, departing Tue, May 12 from San Diego to Seattle, returning Tue, Jun 30, priced at ￥37,510 found 5 days ago
American Airlines
Wed, Apr 29 - Tue, May 5
SAN
San Diego
SEA
Seattle
￥38,400 Roundtrip, found 6 days ago
￥38,400
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Apr 29 from San Diego to Seattle, returning Tue, May 5, priced at ￥38,400 found 6 days ago

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 center is 20 minutes. Flights from ￥58,760
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from ￥58,760

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

May is typically the cheapest month to fly

From ￥15,789 - ￥36,721 per traveler.

Frequently asked questions

How much is a flight from San Diego Intl. Airport (SAN) to Seattle - Tacoma Intl. Airport (SEA)?
Start packing your suitcase, because round-trip flights between SAN and SEA start from ￥26,340. That's based on airfares listed within the last 7 days on Expedia for flights departing within the next year. Prices can rise 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 Diego Airport to Seattle - Tacoma Intl. Airport (SEA)?
The majority of flights can be canceled online, but whether you incur a fee all comes down to your airline. If you do have to cancel your break, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from SAN to Sea-Tac Airport 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-Tac Airport flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from San Diego Airport to Seattle - Tacoma Intl. Airport (SEA)?
Lasting around 3 hours, the flight between San Diego Airport and Sea-Tac Airport is a good opportunity to do some last-minute trip planning. How about using this time to work on your itinerary for SeaTac?
How far is the flight from SAN to SEA?
Expect to be up above the clouds for a while, as the flight distance between San Diego and SeaTac is 1,700 kilometers. Create a playlist of your favorite songs before leaving home to keep yourself entertained during the trip.
Which airlines fly direct from SAN to Sea-Tac Airport?
Alaska Airlines (AS) is the preferred option for many travelers. It operates 269 flights from SAN to Sea-Tac Airport each month. After more options? Check out the airfares with Delta Air Lines (DL). This carrier offers 143 monthly flights between these destinations.
Are SAN to Seattle - Tacoma Intl. Airport (SEA) flight tickets cheaper when they're purchased at the last minute?
Booking last minute from SAN to Sea-Tac Airport can be hit-or-miss. It is possible to find a bargain, but then again, you could miss out altogether! If you'd prefer to play it safe and start your travel planning early, Expedia compares flight deals up to a year in advance. Just keep in mind that not all airlines list their prices so far in advance. Our top tip? Check back often as updates are made frequently.

Travel information

Origin airport
San Diego Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Roundtrip price
￥26,340
Distance
1681 km
Average flight time
3 hours 9 mins

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