฿11,165 Cheap Flights from San Diego (SAN) to Seattle (SEA)

View ฿11,165 flight on Mon, 22 Dec 2025Opens in a new window

Popular airlines from San Diego Intl. Airport (SAN) to Seattle

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

Prices were available within the past 7 days and start at ฿11,165 for one-way flights and ฿20,345 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, 22 Dec - Thu, 25 Dec
SAN
San Diego
SEA
Seattle
฿20,345 Return, found 2 days ago
฿20,345
Return
found 2 days ago
Select United flight, departing Mon, 22 Dec from San Diego to Seattle, returning Thu, 25 Dec, priced at ฿20,345 found 2 days ago
Delta
Mon, 22 Dec - Thu, 25 Dec
SAN
San Diego
SEA
Seattle
฿20,760 Return, found 2 days ago
฿20,760
Return
found 2 days ago
Select Delta flight, departing Mon, 22 Dec from San Diego to Seattle, returning Thu, 25 Dec, priced at ฿20,760 found 2 days ago
American Airlines
Mon, 22 Dec - Thu, 25 Dec
SAN
San Diego
SEA
Seattle
฿21,775 Return, found 2 days ago
฿21,775
Return
found 2 days ago
Select American Airlines flight, departing Mon, 22 Dec from San Diego to Seattle, returning Thu, 25 Dec, priced at ฿21,775 found 2 days ago
American Airlines
Mon, 22 Dec - Thu, 25 Dec
SAN
San Diego
SEA
Seattle
฿21,865 Return, found 2 days ago
฿21,865
Return
found 2 days ago
Select American Airlines flight, departing Mon, 22 Dec from San Diego to Seattle, returning Thu, 25 Dec, priced at ฿21,865 found 2 days ago
United
Mon, 22 Dec - Thu, 25 Dec
SAN
San Diego
SEA
Seattle
฿22,005 Return, found 2 days ago
฿22,005
Return
found 2 days ago
Select United flight, departing Mon, 22 Dec from San Diego to Seattle, returning Thu, 25 Dec, priced at ฿22,005 found 2 days ago
American Airlines
Mon, 22 Dec - Thu, 25 Dec
SAN
San Diego
SEA
Seattle
฿22,090 Return, found 2 days ago
฿22,090
Return
found 2 days ago
Select American Airlines flight, departing Mon, 22 Dec from San Diego to Seattle, returning Thu, 25 Dec, priced at ฿22,090 found 2 days ago
United
Mon, 22 Dec - Thu, 25 Dec
SAN
San Diego
SEA
Seattle
฿22,330 Return, found 2 days ago
฿22,330
Return
found 2 days ago
Select United flight, departing Mon, 22 Dec from San Diego to Seattle, returning Thu, 25 Dec, priced at ฿22,330 found 2 days ago
United
Mon, 22 Dec - Thu, 25 Dec
SAN
San Diego
SEA
Seattle
฿22,350 Return, found 2 days ago
฿22,350
Return
found 2 days ago
Select United flight, departing Mon, 22 Dec from San Diego to Seattle, returning Thu, 25 Dec, priced at ฿22,350 found 2 days ago
Delta
Mon, 22 Dec - Thu, 25 Dec
SAN
San Diego
SEA
Seattle
฿22,420 Return, found 2 days ago
฿22,420
Return
found 2 days ago
Select Delta flight, departing Mon, 22 Dec from San Diego to Seattle, returning Thu, 25 Dec, priced at ฿22,420 found 2 days ago
United
Mon, 22 Dec - Thu, 25 Dec
SAN
San Diego
SEA
Seattle
฿22,520 Return, found 2 days ago
฿22,520
Return
found 2 days ago
Select United flight, departing Mon, 22 Dec from San Diego to Seattle, returning Thu, 25 Dec, priced at ฿22,520 found 2 days ago
Delta
Mon, 22 Dec - Thu, 25 Dec
SAN
San Diego
SEA
Seattle
฿22,745 Return, found 2 days ago
฿22,745
Return
found 2 days ago
Select Delta flight, departing Mon, 22 Dec from San Diego to Seattle, returning Thu, 25 Dec, priced at ฿22,745 found 2 days ago
Alaska Airlines
Mon, 22 Dec - Thu, 25 Dec
SAN
San Diego
SEA
Seattle
฿25,685 Return, found 2 days ago
฿25,685
Return
found 2 days ago
Select Alaska Airlines flight, departing Mon, 22 Dec from San Diego to Seattle, returning Thu, 25 Dec, priced at ฿25,685 found 2 days ago

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

January is typically the cheapest month to fly

From ฿2,788 - ฿7,724 per traveller.
Flight from San Diego to Seattle route information
Origin airport
San Diego Intl.
Destination airport
Seattle - Tacoma Intl.
Return price
฿20,345
Distance
1681 km
Average flight time
3 hours 14 mins

Perfect flights from San Diego to Seattle

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from San Diego to Seattle. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible San Diego Intl. to Seattle - Tacoma Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿11,165 and roundtrip prices from ฿20,345. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Seattle - Tacoma Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Seattle.

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 ฿20,345. 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 kilometres. 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 travellers 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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