CA $133 Cheap Flights from San Diego (SAN) to Seattle (SEA)

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 CA $133 for one-way flights and CA $243 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Delta
Alaska Airlines
Delta
Alaska Airlines
Delta
Hawaiian Airlines
Alaska Airlines
Alaska Airlines
United

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

January is typically the cheapest month to fly

From CA $120 - CA $334 per traveller.

Graph displaying average flight prices per month

Flight from San Diego to Seattle (SAN - SEA) route information
Origin airport
San Diego Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
CA $243
Distance
1681 km
Average flight time
3 hours 2 mins

San Diego to Seattle Flights

The easy way to book your flights from San Diego to Seattle 

With Expedia, it’s simple to find and book flights to Seattle from San Diego whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are American Airlines, KLM, Condor, Qatar Airways, JAL, Icelandair, Air France, Delta Air Lines, Alaska Airlines, Southwest Airlines, Hawaiian Airlines, Korean Air, Air Tahiti Nui, WestJet, Virgin Atlantic, Singapore Airlines, British Airways nonstop flights to Seattle - Tacoma Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from San Diego to Seattle today, tomorrow, or this week.  

 

Save dollars with cheap flights from San Diego Intl., SAN to Seattle - Tacoma Intl., SEA 

Sort your search results by price to find great deals on your flight from San Diego to Seattle—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Seattle from San Diego currently is just CA $243 rising to CA $570.  

Here are more money-saving tips: 

  • Fly in September when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Seattle  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Seattle from San Diego 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Seattle with Expedia today.

Frequently asked questions

How much is a flight from San Diego Airport to Sea-Tac Airport?
Pack your bags, because round-trip flights from San Diego Airport to Sea-Tac Airport start from CA $243. That's based on fares advertised within the last 7 days on Expedia for flights departing within the next year. Prices can rise quickly, so book now to score 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 Sea-Tac Airport?
The majority of flights can be cancelled online, but each air carrier has different terms and conditions. If you do need to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from San Diego Intl. Airport (SAN) to Seattle - Tacoma Intl. Airport (SEA) that have flexible change policies?
Select our "No change fees" filter to find flexible travel options for your flight from San Diego Intl. Airport (SAN) to Seattle - Tacoma Intl. Airport (SEA). This allows you to lock in a good price ahead of time and still have the freedom to reschedule without any extra fees. Keep in mind that you'll need to cover the fare difference.
How many hours is the flight from SAN to Seattle - Tacoma Intl. Airport (SEA)?
The average flight between SAN and Sea-Tac Airport is 3 hours and 11 minutes. If you're travelling with kids, it's always a good idea to pack some fruit or snacks in your carry-on baggage.
How far is the flight from San Diego Intl. Airport (SAN) to SEA?
Around 1,700 kilometres separates San Diego and SeaTac, so pack some entertainment to help you fill in a few hours. That gripping novel you haven't had time to finish will be ideal.
Which airlines fly direct from San Diego Airport to Sea-Tac Airport?
Alaska Airlines (AS) is a popular option. It operates 213 flights from San Diego Airport to Sea-Tac Airport each month. Love some more options? Check out the ticket prices from Delta (DL). This carrier offers 134 flights every month between these destinations.
Are San Diego Airport to Sea-Tac Airport flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can sometimes score a bargain, with some of the cheapest airfares from SAN to Sea-Tac Airport surfacing a few weeks prior to the departure date. If you'd rather plan ahead of time, Expedia compares and updates the best flight deals continually — as early as 12 months in advance in some cases. It depends on the carrier though, as not all airlines quote prices that far in advance.

Explore a world of travel with Expedia

Seattle nearby Airports

Seattle Paine Field Intl. Airport

San Diego nearby Airports

Carlsbad

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