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Flights from Seattle to San Diego

Cheap flight deals from Seattle to San Diego

Non stop flight deals! Book direct flights from Seattle to San Diego: One way flights from $83, round trip flights from $125. Cheapest next 3 months.

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flight Info | Seattle to San Diego

The distance between Seattle and San Diego is about 1,692.33 km. It takes around 2 hours 52 minutes on average to fly from Seattle to San Diego. The most popular month to San Diego is March. The off-season for travel is April.

Cheapest one-way flight price $51
Cheapest return ticket price $125
Off-season for travel April
Peak season for travel March
Flight distance 1,692.33 km
Average flight time 2 hours 52 minutes

When is the cheapest time to fly from Seattle to San Diego?

The cheapest time for Seattle to San Diego flights: Jul 27 to Aug 3 — one way flight prices from $50.

Cheapest flights
From price
Search
  • 13 20
  • 20 27

  • Aug

    27 3
  • 3 10
  • 10 17
  • 17 24
  • 24 31

  • Sep

    31 7
  • 7 14
  • 14 21
  • 21 28

  • Oct

    28 5
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

How to find a cheap flight from Seattle to San Diego

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Seattle to San Diego. Book your flights at the right time and save more.
1
Being flexible with your dates to get the cheapest Seattle to San Diego ticket.
Tap "Date" on flight search bar to scan through the calender for Seattle to San Diego airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Wed, Aug 27 at $83 for one-way flights.
2
Compare cheap Seattle to San Diego flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from Seattle to San Diego. The cheapest airline operating is Southwest Airlines.
3
Set up a Price Alert
By setting up a Price Alert for your Seattle to San Diego route, you can easily track the price of your airline tickets from without manually checking every day.
4
Don't miss cheap Seattle to San Diego flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights. If registering a free membership, you can receive more deals for your flights.
5
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
6
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com and search for cheap flight tickets from Seattle to San Diego to get exclusive deals for you.

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