Beginning of main content
Trip Type
Flight 1
Flight 2
Flight 3
Flight 4
Flight 5

Search over 321,000 hotels worldwide and 400 airlines worldwide.

Secure incredible value with Expedia's Price Guarantee.

No Expedia cancellation fee to change or cancel almost any hotel reservation.

Cheap SEA to SAN Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Cheap SEA to SAN Flights

Question : How much is a plane ticket to San Diego (SAN) from Seattle (SEA)?
Answer : They range from $137 to $674. Booking far in advance can usually help you get the cheapest rate. The further out you book, the more likely you are to save on your trip.

Question : What is the cheapest day to fly?
Answer : The cheapest day to fly from Seattle to San Diego is on Sunday. So, if you would like to save a little cash on your next holiday look for flights on that day.

Question : What is the cheapest day to fly to San Diego?
Answer : As of Jan 22nd, the best day for deals to San Diego (SAN) is Jan 27th. A ticket will run you $137, which is 38% less than the average price to book the same route.

Question : How long do most people visit San Diego?
Answer : Of course, you're not most people, but if you were, you'd stay roughly five days.

Question : How many flights are there per day from Seattle to San Diego?
Answer : The number does differ by the day, but on average, you can expect 25 different choices of flight times when you book. You’ll have more choices on this route than most others departing the United States.

Question : Is there a day of the week that has more departure times to choose from than other days?
Answer : With 28 total flight time options, Tuesday provides the most flexibility from SEA to SAN. Saturday currently offers the least amount of flight times with 22 options.

Question : What is the cheapest airline flying from Seattle to San Diego?
Answer : Prices are hitting highs of $674 over the next three months when flying to SAN from SEA. Check out Alaska Airlines, as they have reservations at just $137.

Seattle to San Diego 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 Seattle to San Diego 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 San Diego.

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 SEA to SAN flights that won’t make your bank account wince. Ready to temporarily leave behind Seattle 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 SAN 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.