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Cheap Flights from St Louis to San Diego - STL to SAN (reverse)

Popular Flights from St Louis to San Diego

  • Airfare from St Louis to San Diego on United from $265 round trip
  • Airfare from St Louis to San Diego on American from $266 round trip
  • Airfare from St Louis to San Diego on Delta from $266 round trip
  • Airfare from St Louis to San Diego on US Airways from $266 round trip
  • Airfare from St Louis to San Diego on Frontier from $280 round trip

Did You Know?

  • The shortest flight between St Louis, MO and San Diego, CA on Frontier is 1,618 miles.
  • 9 airlines operate between St Louis, MO and San Diego, CA
  • Chicago, IL is the most popular connection for one stop flights between St Louis, MO and San Diego, CA.
  • 240 flights per week fly out of St Louis, MO connecting to San Diego, CA
  • BMI has 4 one stop flights between St Louis, MO and San Diego, CA.
  • 109,947 seats are available per day to fly out of St Louis, MO connecting to San Diego, CA
  • Southwest has the most nonstop flights between St Louis, MO and San Diego, CA.
  • The largest aircraft operated by Continental flying between St Louis, MO and San Diego, CA is a 737 with 124 seats.

Advance Purchase Prices from St Louis to San Diego

  • Carrier
    0 Days
    1 Day
    3 Days
    7 Days
    10 Days
    14 Days
    21 Days
  • Alaska
    $1131
    $1131
    $1131
    $949
    $949
    $671
    $671
  • American
    $641
    $641
    $641
    $417
    $271
    $331
    $393
  • Continental
    $461
    $461
    $339
    $417
    $271
    $321
    $393
  • Delta
    $461
    $461
    $339
    $417
    $271
    $301
    $301
  • Frontier
    $621
    $621
    $621
    $417
    $271
    $331
    $393
  • US Airways
    $437
    $437
    $437
    $431
    $271
    $321
    $321
  • United
    $461
    $461
    $339
    $417
    $271
    $321
    $393

Cheap Domestic Flights from St Louis - STL

Flights
Airline
Lowest Price
American, US Airways, Frontier, AirTran, Delta, Alaska, United
$268
United, Delta, US Airways, American, Frontier, AirTran
$239
United, Delta, American, US Airways
$334
Delta, United, AirTran, Frontier, American, US Airways
$263
Delta, Choice One, American, US Airways, United, Alaska
$166
AirTran, Frontier, American, US Airways, United, Alaska, Delta
$304
US Airways, American, AirTran, Frontier, Delta, United, Alaska
$238
AirTran, American, US Airways, United, Frontier
$196
Alaska, Delta, United, American, Frontier, AirTran, US Airways
$160
United, Delta, American, AirTran, US Airways
$218
Frontier, American, Delta, United, Alaska, US Airways, AirTran
$250
US Airways, Delta, United, American, Frontier, AirTran
$291
AirTran, Frontier, United, Alaska, US Airways, American, Delta
$218
United, Delta, American, Frontier
$218
Delta, US Airways, United, American, AirTran
$210
Alaska, United, Delta, US Airways, American
$769
Cheap Flights from St Louis to San Diego, from $265 Round trip from STL to SAN