￥12,260 Cheap Flights from San Diego (SAN) to Seattle (SEA)

View ￥12,260 flight on Sun, Mar 1, 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 ￥12,260 for one-way flights and ￥18,400 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Dec 6 - Sun, Dec 7
SAN
San Diego
SEA
Seattle
￥18,400 Roundtrip, found 12 hours ago
￥18,400
Roundtrip
found 12 hours ago
Select Delta flight, departing Sat, Dec 6 from San Diego to Seattle, returning Sun, Dec 7, priced at ￥18,400 found 12 hours ago
Delta
Wed, Dec 3 - Wed, Dec 10
SAN
San Diego
SEA
Seattle
￥18,420 Roundtrip, found 1 day ago
￥18,420
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Dec 3 from San Diego to Seattle, returning Wed, Dec 10, priced at ￥18,420 found 1 day ago
American Airlines
Wed, Dec 3 - Wed, Dec 10
SAN
San Diego
SEA
Seattle
￥24,550 Roundtrip, found 1 day ago
￥24,550
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Dec 3 from San Diego to Seattle, returning Wed, Dec 10, priced at ￥24,550 found 1 day ago
American Airlines
Sat, Dec 6 - Sun, Dec 7
SAN
San Diego
SEA
Seattle
￥26,020 Roundtrip, found 12 hours ago
￥26,020
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Sat, Dec 6 from San Diego to Seattle, returning Sun, Dec 7, priced at ￥26,020 found 12 hours ago
Delta
Sat, Dec 6 - Sun, Dec 7
SAN
San Diego
SEA
Seattle
￥27,850 Roundtrip, found 12 hours ago
￥27,850
Roundtrip
found 12 hours ago
Select Delta flight, departing Sat, Dec 6 from San Diego to Seattle, returning Sun, Dec 7, priced at ￥27,850 found 12 hours ago
Delta
Wed, Dec 24 - Thu, Dec 25
SAN
San Diego
SEA
Seattle
￥28,570 Roundtrip, found 6 days ago
￥28,570
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Dec 24 from San Diego to Seattle, returning Thu, Dec 25, priced at ￥28,570 found 6 days ago
Delta
Thu, Jan 8 - Sat, Jan 10
SAN
San Diego
SEA
Seattle
￥28,820 Roundtrip, found 2 days ago
￥28,820
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Jan 8 from San Diego to Seattle, returning Sat, Jan 10, priced at ￥28,820 found 2 days ago
Delta
Sat, Dec 13 - Sat, Jan 3
SAN
San Diego
SEA
Seattle
￥29,060 Roundtrip, found 1 day ago
￥29,060
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Dec 13 from San Diego to Seattle, returning Sat, Jan 3, priced at ￥29,060 found 1 day ago
United
Sat, Dec 6 - Sun, Dec 7
SAN
San Diego
SEA
Seattle
￥32,150 Roundtrip, found 12 hours ago
￥32,150
Roundtrip
found 12 hours ago
Select United flight, departing Sat, Dec 6 from San Diego to Seattle, returning Sun, Dec 7, priced at ￥32,150 found 12 hours ago
Hawaiian Airlines
Sat, Dec 6 - Sun, Dec 7
SAN
San Diego
SEA
Seattle
￥118,930 Roundtrip, found 12 hours ago
￥118,930
Roundtrip
found 12 hours ago
Select Hawaiian Airlines flight, departing Sat, Dec 6 from San Diego to Seattle, returning Sun, Dec 7, priced at ￥118,930 found 12 hours ago

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

January is typically the cheapest month to fly

From ￥13,365 - ￥30,235 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 ￥18,400. 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
American Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
￥18,400
Distance
1681 km
Average flight time
3 hours 10 mins

Book with confidence

San Diego to Seattle Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from San Diego to will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Seattle.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with SAN to SEA flights that won’t make your bank account wince. Ready to temporarily leave behind San Diego for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to SEA with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

San Diego to Seattle Flights

Explore a world of travel with Expedia

Seattle nearby Airports

Seattle Paine Field Intl. Airport

San Diego nearby Airports

Carlsbad

McClellan-Palomar to Seattle
￥24,550
*Available to Expedia members.