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Find cheap flights from Seattle to San Diego starting at $34.

Book one-way or return flights from Seattle to San Diego from as little as $34. Choose from the popular airlines below and book your flight today!

  • One way
  • Round-trip

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

Searching for the best last minute flight from Seattle to San Diego? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from Seattle to San Diego. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Find cheap airlines flights from Seattle to San Diego

View airlines operating flights from Seattle to San Diego. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Spirit Airlines
From $34
Frontier Airlines
From $49
Alaska Airlines
From $75
American Airlines
From $111
United Airlines
From $130
Southwest Airlines
From $174
Sun Country Airlines
From $321
Delta Air Lines
From $456
Hawaiian Airlines
From $464
ANA airlines

Find more flights and airlines

Find cheap flights from Seattle to San Diego by different airports

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Seattle to San Diego.

  • Cheapest
    Spirit Airlines
    SEA
    09:49
    10h 40m
    1 transfer
    SAN
    20:29
    Seattle-Tacoma International Airport - San Diego International Airport
    Tue, Jun 11Spirit Airlines
    $34
  • Spirit Airlines
    SEA
    09:49
    10h 40m
    1 transfer
    SAN
    20:29
    Seattle-Tacoma International Airport - San Diego International Airport
    Tue, Jun 11Spirit Airlines
    $34
    Find More Flights

Frequently Asked Questions

  • When are flight tickets from Seattle (SEA) to San Diego (SAN) the cheapest?

    Airlines adjust prices for flights from Seattle to San Diego based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from Seattle (SEA) to San Diego (SAN) cost?

    According to Trip.com's data, the lowest price is around $299.
  • How long does it take to fly from Seattle (SEA) to San Diego (SAN) and what is the distance?

    It takes around 2 hours 48 minutes to fly from Seattle (SEA) to San Diego (SAN).
  • What is the transportation method from the main airport to downtown in San Diego?

    • The distance from San Diego International Airport to downtown is about 3km. It takes about 20 minutes by taxi.
  • What are the most popular airlines that fly from Seattle (SEA) to San Diego (SAN)?

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
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com
Seattle to San Diego Flight Information

Cheapest nonstop flight price

$33

Cheapest round-trip ticket price

$149

Off-season for travel

January

Peak season for travel

November

Flight distance

1,692.33km

Average flight time

2 hours 48 minutes

Popular airline

Alaska Airlines