฿3,860 Cheap Flights from San Diego (SAN) to Seattle (SEA)

View ฿3,860 flight on Sun, 28 Sep 2025Opens 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 (SAN) to Seattle (SEA)

Prices were available within the past 7 days and start at ฿3,860 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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

January is typically the cheapest month to fly

From ฿2,827 - ฿7,883 per traveller.

Graph displaying average flight prices per month

Flight from San Diego to Seattle route information
Origin airport
San Diego Intl.
Destination airport
Seattle - Tacoma Intl.
Distance
1681 km
Average flight time
3 hours 2 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 Seattle, 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 ฿3,860 and roundtrip prices . 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 Seattle 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 SAN to SEA 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 . 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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