$60 Cheap Flights from Seattle to San Diego

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Find The Best Dates To Fly from Seattle - Tacoma Intl. to San Diego Intl.

Amazing SEA to SAN Flight Deals

The cheapest flights to San Diego Intl. found within the past 7 days were $120 round trip and $60 one way. Prices and availability subject to change. Additional terms may apply.

Best San Diego Intl. Flight and Hotel Packages

San Diego Intl. flight + hotel packages - economy flights

Westgate Hotel
DoubleTree by Hilton San Diego - Hotel Circle
The Westin San Diego Bayview
Best Western Plus Island Palms Hotel & Marina
Wyndham San Diego Bayside
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Frequently asked questions

Can I catch a flight from SEA to San Diego Airport right now?
For any present San Diego Airport travel advice and quarantine requirements, visit the Covid-19 Travel Advisor. Check before you arrange your flight, so you don’t get caught out en route.
Are there direct flights from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN)?
If you’d love to travel from Seattle - Tacoma Intl. Airport (SEA) to San Diego Airport as quickly as possible, you’ll be glad to know multiple airlines offer direct flights. Select your favorite seat with Alaska Airlines or Delta.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to San Diego Airport, please visit our Customer Service Portal.
How long is the flight from Sea-Tac Airport to San Diego Airport?
On average, flying from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN) takes just 2 hours and 47 minutes in total. Use the short trip to catch forty winks or listen to a podcast before the next step of your adventure begins.
What is the flight distance from SEA to San Diego Intl. Airport (SAN)?
Covering 1,050 mi between Sea-Tac Airport and Sea-Tac Airport calls for a glass of vino and some quality screen time. Adjust your seat, pull a blanket over you and simply enjoy the journey.
What airlines fly from Seattle - Tacoma Intl. Airport (SEA) to SAN?
You have a choice of a few airlines advertising direct flights between Seattle and San Diego County. Alaska Airlines (AS) is one of the most reputable. This carrier offers around 234 flights each month. If you want more choice, take a look at the fares on offer from Delta (DL). This airline operates 121 flights on the Seattle to San Diego County route each month. Between the two, we’re sure you’ll find a deal that’s perfect for you.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with Southwest Airlines, Alaska Airlines or United Airlines you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.


Traveling From Seattle - Tacoma Intl.
Traveling To San Diego Intl.
Shortest Flight Time 2 hours 40 mins
Earliest Departure Time 5:15AM PST
Latest Departure Time 7:51PM PST
Lowest Flight Price $120

Route Info

Flight path for flights from Seattle-Tacoma International Airport to San Diego International Airport

1,057.00 miles

Airlines & Aircraft Used on SEA to SAN Flight Routes

Airline Carrier
American Airlines
Boeing 737-800 (winglets) pax
Delta Air Lines
Aerospatiale/Alenia ATR 42/ ATR 72
Jet Airways (India)
Boeing 717

Discover our best flights from Seattle SEA to San Diego SAN. 

With 14 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 


Find our best return flights from Seattle SEA to San Diego SAN at the right price  

Airfares to San Diego SAN from Seattle SEA currently cost between $120 and $144. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 


Book one-way flights from Seattle SEA to San Diego SAN 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Seattle SEA to San Diego SAN on Travelocity starting at $60. Prices and availability subject to change. Additional terms may apply. 


Get to San Diego SAN from Seattle SEA quicker with direct flights. 

Get to San Diego faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to SAN from SEA to take around 2 hour(s) 40 min(s).  


Find our cheapest airfares for flights from Seattle SEA to San Diego SAN

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to SAN from SEA. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  


Get our best airfare deals for your flight from Seattle SEA to San Diego SAN today 

If you’re flexible about when you travel, February is usually the cheapest month to fly from Seattle SEA to San Diego SAN. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 


Book flexible airline tickets for flights to San Diego SAN from Seattle SEA 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to SAN from SEA have this option.  


Travel with confidence when you book flights to San Diego SAN from Seattle SEA with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.