Cheap flights from St. Louis to San Diego Coast

View AU$312 flight on Fri, 8 Aug. 2025Opens in a new window

Popular airlines from St. Louis to San Diego Coast

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

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Cheap Flights from St. Louis (STL) to San Diego Coast (SAN)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, 25 Jul. - Fri, 1 Aug.
STL
St. Louis
SAN
San Diego
AU$688 Return, found 6 days ago
AU$688
Return
found 6 days ago
Select American Airlines flight, departing Fri, 25 Jul. from St. Louis to San Diego, returning Fri, 1 Aug., priced at AU$688 found 6 days ago
Delta
Fri, 25 Jul. - Fri, 1 Aug.
STL
St. Louis
SAN
San Diego
AU$688 Return, found 6 days ago
AU$688
Return
found 6 days ago
Select Delta flight, departing Fri, 25 Jul. from St. Louis to San Diego, returning Fri, 1 Aug., priced at AU$688 found 6 days ago
American Airlines
Fri, 25 Jul. - Fri, 1 Aug.
STL
St. Louis
SAN
San Diego
AU$700 Return, found 6 days ago
AU$700
Return
found 6 days ago
Select American Airlines flight, departing Fri, 25 Jul. from St. Louis to San Diego, returning Fri, 1 Aug., priced at AU$700 found 6 days ago
Delta
Fri, 25 Jul. - Fri, 1 Aug.
STL
St. Louis
SAN
San Diego
AU$748 Return, found 6 days ago
AU$748
Return
found 6 days ago
Select Delta flight, departing Fri, 25 Jul. from St. Louis to San Diego, returning Fri, 1 Aug., priced at AU$748 found 6 days ago
United
Fri, 25 Jul. - Fri, 1 Aug.
STL
St. Louis
SAN
San Diego
AU$757 Return, found 6 days ago
AU$757
Return
found 6 days ago
Select United flight, departing Fri, 25 Jul. from St. Louis to San Diego, returning Fri, 1 Aug., priced at AU$757 found 6 days ago
Alaska Airlines
Fri, 25 Jul. - Fri, 1 Aug.
STL
St. Louis
SAN
San Diego
AU$800 Return, found 6 days ago
AU$800
Return
found 6 days ago
Select Alaska Airlines flight, departing Fri, 25 Jul. from St. Louis to San Diego, returning Fri, 1 Aug., priced at AU$800 found 6 days ago

Find the cheapest month to fly from St. Louis (STL) to San Diego (SAN)

September is typically the cheapest month to fly

From AU$179 - AU$463 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.