Lowest Prices
Discover the cheapest Southwest Airlines flights! We search hundreds of providers to find you the best deals.
Good to know: WN Fare related Information
Useful information for finding cheap flights with Southwest Airlines and booking your next trip
Cheapest Round Trip Flight
$57
Southwest Airlines• nonstop • 2h 10mJul 31 – Jul 31
The cheapest Southwest Airlines round trip flight from San Francisco International to San Diego International is currently $57
Cheapest One way Flight
$58
Southwest Airlines• 1 stop• 10h 30mAug 01
The cheapest one way WN flight from Hartsfield Jackson Atlanta International to San Antonio International is currently $58
Fastest Flight
2h 10m
The fastest nonstop Southwest Airlines flight from San Francisco International to San Diego International takes 2h 10m
Recent Southwest Airlines Flight Deals
Discover top Southwest Airlines round-trip deals. Search and compare plane ticket offers from the airline and hundreds of travel websites.
Jul 31 - Jul 31, Economy
San Francisco → San Diego
2h 10m
6:40 AM - 8:10 AM • nonstop
San Francisco → San Diego
2h 10m
2:50 PM - 4:20 PM • nonstop
Southwest Airlines
Jul 31 - Jul 31, Economy
San Francisco → San Diego
2h 15m
10:40 AM - 12:15 PM • nonstop
San Francisco → San Diego
2h 10m
6:50 PM - 8:20 PM • nonstop
Southwest Airlines
Jul 31 - Jul 31, Economy
San Francisco → San Diego
2h 10m
6:40 AM - 8:10 AM • nonstop
San Francisco → San Diego
2h 15m
9:15 PM - 10:50 PM • nonstop
Southwest Airlines
Just need a one-way with Southwest Airlines? Find flexible fares for your single journey. Get where you're going with ease and value.
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