Seattle to San Diego Flight Deals

Cheapflightsfares brings you some not-to-be missed, exclusive deals on airfares that are bound to enrich your travel experience. These deals are the latest and the best you can get. So, don't keep waiting. Book them now!

28 Sep 2025   -   07 Oct 2025
SEA
SAN
Seattle
San Diego
RoundTrip
$ 182.86*
10 Oct 2025   -   14 Oct 2025
SEA
SAN
Seattle
San Diego
RoundTrip
$ 208.97*
10 Oct 2025   -   13 Oct 2025
SEA
SAN
Seattle
San Diego
RoundTrip
$ 252.75*
17 Sep 2025   -   21 Sep 2025
SEA
SAN
Seattle
San Diego
RoundTrip
$ 261.04*
*Note: All fares are quoted in USD.

Last updated on Friday 08/22/2025 at 05:00 AM, the fares mentioned above are for Round Trip flight tickets and inclusive of fuel surcharges, . Based on historical data, these fares are subject to change without prior notice and cannot be guaranteed at the time of booking. Kindly go through our before booking.

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Cheap Flights from Seattle (SEA) to San Diego (SAN)

San Diego, a city in California, is also known as America?s Finest City and Birthplace of California due to its beaches, historic sites, diverse neighborhoods, and being the first California area to be settled by Europeans. Tourists visiting this city can spend their time at the beautiful beaches, offering a chance to engage in water sports and numerous other activities. Visit La Jolla Cove, a stunning beach where tourists can engage in water sports such as snorkeling, scuba diving, paddleboarding, and swimming, and enjoy a walk along the bluffs and get a chance to watch seals and sea lions. There are numerous other beaches in this city that tourists can visit and have fun, including Coronado Beach, Mission Beach, Pacific Beach, Torrey Pines State Beach, Black?s Beach, Windansea Beach, etc. Tourists visiting San Diego can also go to the world-famous zoo located in the Balboa Park, which is home to over 3,700 rare endangered animals, representing 660 species and subspecies. The zoo also has a large collection of elephants, including Asian and African varieties. Visitors can engage in numerous other activities, including a guided bus tour, skyfari aerial tram, 4D theatre, botanical tours, and animal exhibits.

Grab our Cheap Flights from Seattle to San Diego and get ready for an inexpensive San Diego getaway. Book online or call our 24*7 customer care to get the cheapest airfare on SEA to SAN Flights.

Top Tourist Attractions in San Diego

  • Colorado State Capitol
  • Balboa Park
  • Seaport Village
  • Petco Park
  • Coronado Bridge

Best time to visit San Diego

The perfect time to visit San Diego is during the fall season, September through November. This season offers pleasant weather with fewer crowds and affordable prices on hotels and flights compared to peak summer months. The spring season in this city is March through May, a good option to experience milder temperatures and fewer tourists. The summer months in this city are June, July, and August, with hot, dry, and busy summer months.

Major Airports serving the flight route from Seattle to San Diego

When traveling from Seattle to San Diego, Passengers can board flights from the nearest airport, Seattle-Tacoma International Airport (SEA), and land at the main airport in San Diego, San Diego International Airport (SAN).

About Flights from Seattle (SEA) to San Diego (SAN)

How to get cheap airline tickets from Seattle to San Diego?

Finding cheap flights to San Diego from Seattle can be effortless if you know where to look for it. If you plan your travel well and book airline tickets from Seattle to San Diego months before your scheduled trip, you can save more. Therefore, try to book tickets 45-60 before your trip and try to get tickets for weekdays.

Which are the most popular airlines that fly from Seattle to San Diego?

Frontier, Spirit, Alaska, Delta, American Airlines, Air Canada, JetBlue, Hawaiian, and Southwest Airlines.

How long is the flight from Seattle to San Diego?

The average flight duration is approximately 2hr 40minutes.

How far is San Diego from Seattle?

This distance from Seattle to San Diego is around 1,063.90 mi.

When are the cheapest days to fly from Seattle to San Diego?

The cheapest flights are usually available on Tuesdays, ranging from $47 and $200.

Which airline has direct flights from Seattle to San Diego?

Alaska, and Delta Airlines.

How much does a round-trip flight from Seattle to San Diego cost?

The cheapest round-trip flights from Seattle to San Diego start at $54.

How to Book flights from SEA to SAN?

Booking airline tickets from Seattle to San Diego is easy and affordable with CheapFlightsFares, visit our website or contact us to get the best discounts on your flight fares.

When are direct flights to San Diego from Seattle?

Daily, there are more than 10 direct flights for this route.

How many flights per day are there on this route?

There are about more than 100 flights on this route.

Which airlines fly from SEA to San Diego?

Several major airlines operate flights on this route, including Alaska Airlines, Delta Air Lines, and Southwest Airlines.

What is the flight distance from Seattle to San Diego?

The distance between Seattle (SEA) and San Diego (SAN) is approximately 1,051 miles.

How long is a nonstop flight from Seattle to SAN?

Direct flights typically take around 2 hours and 55 minutes, depending on weather and air traffic conditions.

What are the most common stops for connecting flights on this route?

Popular layover airports include San Francisco International Airport (SFO), Los Angeles International Airport (LAX), Salt Lake City International Airport (SLC), Harry Reid International Airport (LAS), Phoenix Sky Harbor International Airport (PHX), Portland International Airport (PDX), and Norman Y. Mineta San Jose International Airport (SJC).

Which airlines offer nonstop flights from SEA to San Diego?

Alaska Airlines and Delta Air Lines are the primary carriers providing nonstop service between Seattle and San Diego.