Cheap flights from Saint Louis to San Diego

Travel > North America > United States > Saint Louis to San Diego flights

Check our current prices for flights from Saint Louis to San Diego. Please note that we also give you historical search data for this city connection. These are all airfares that people found in the past, in order to find more current flight information from Saint Louis to San Diego, you will need to run a search below.

Search and Compare cheap Flights

Enter your travel details:Step 1

Flight only
Flight + HotelSave up to 30% on vacations

From (city or airport):
Rooms: 1 2 3 4 5 6
Travelers: 1 2 3 4 5 6
To (city or airport):
Depart (mm/dd/yyyy):
Return (mm/dd/yyyy):
Weekly newsletter (optional)

Select merchants to compare:Step 2

 

From $118 / RT details

Book your flight now with Cheapoair.com and save!

Cheap San Diego airfares from $118/RT are provided by Cheapoair.com. Outbound flight is leaving on 02/05/2025, 07:09 pm from St. Louis Intl (STL) airport and arrives at San Diego Lindberg (SAN) at 11:17 am. The flight time is 16 hours and 8 minutes. The Returning flight departes on 02/11/2025, 12:55 pm (other return dates are also available). Date posted: 17 Dec 2024

Price evolution for flights From Saint Louis To San Diego

Recent Deals on Flights from Saint Louis to San Diego:Roundtrip / Oneway

• $118 Frontier Airlines 

  From	To	Departure	Time
  Saint Louis, MO (STL)	San Diego, CA (SAN)	02/05/2025	07:09 pm
  San Diego, CA (SAN)	Saint Louis, MO (STL)	02/11/2025	12:55 pm

  cheapoair.com check price
• $138 Frontier Airlines 

  From	To	Departure	Time
  Saint Louis, MO (STL)	San Diego, CA (SAN)	01/31/2025	07:09 pm
  San Diego, CA (SAN)	Saint Louis, MO (STL)	02/06/2025	10:40 am

  cheapoair.com check price
• $453 Frontier Airlines 

  From	To	Departure	Time
  Saint Louis, MO (STL)	San Diego, CA (SAN)	01/11/2025	06:46 pm
  San Diego, CA (SAN)	Saint Louis, MO (STL)	01/20/2025	10:40 am

  cheapoair.com check price
• $65 Frontier Airlines 

  From	To	Departure	Time
  Saint Louis, MO (STL)	San Diego, CA (SAN)	02/10/2025	08:31 pm

  cheapoair.com check price
• $85 Frontier Airlines 

  From	To	Departure	Time
  Saint Louis, MO (STL)	San Diego, CA (SAN)	01/26/2025	08:31 pm

  cheapoair.com check price
• $85 Frontier Airlines 

  From	To	Departure	Time
  Saint Louis, MO (STL)	San Diego, CA (SAN)	01/30/2025	08:31 pm

  cheapoair.com check price
• $155 Frontier Airlines 

  From	To	Departure	Time
  Saint Louis, MO (STL)	San Diego, CA (SAN)	01/19/2025	08:31 pm

  cheapoair.com check price