Menu

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

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

The best prices from St Louis to San Diego are usually found in January or February, booked 30 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

$410
$350
$280
$216
Price
$216 - $363
Temperature
66 - 81 °F
Rainfall
0 - 3 inches
Most popular in December High demand for flights, 5% potential price rise
Cheapest in January Best time to find cheap flights, 4% potential price drop
Average price $363 Price for this month
Cheapest price $216 From St Louis to San Diego

St Louis to San Diego 2020 flight deals

Cheap flights to San Diego from St Louis found for this year
12 Feb - 18 Feb
$220pp
STL
Lambert-St Louis
Frontier
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
STL
Lambert-St Louis
27 Jan - 6 Feb
$291pp
STL
Lambert-St Louis
Frontier
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
STL
Lambert-St Louis
3 May - 19 May
$294pp
STL
Lambert-St Louis
Delta
 
1 STOP
SAN
San Diego
SAN
San Diego
Delta
 
1 STOP
STL
Lambert-St Louis

Last minute flights from St Louis to San Diego

Late deals on round-trip flights to San Diego from St Louis, departing today and this week
11 Dec - 12 Dec
$275pp
STL
Lambert-St Louis
Frontier
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
STL
Lambert-St Louis
13 Dec - 17 Dec
$288pp
STL
Lambert-St Louis
Frontier
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
STL
Lambert-St Louis

Alternative routes for St Louis to San Diego

Destination information for San Diego

Things to know before you go. Useful info for your trip from St Louis to San Diego
Average temperature for December in San Diego
68.0 °F
Avg rainfall for December in San Diego
2.4 ″

Airports servicing St. Louis

Airports servicing San Diego

Weekly flight availability
from St Louis to San Diego
Sunday
0 flights
Monday
4 daily flights
Tuesday
4 daily flights
Wednesday
4 daily flights
Thursday
4 daily flights
Friday
4 daily flights
Saturday
4 daily flights

Related info for your journey

Useful info, stats and facts about St Louis to San Diego flights.

Flight FAQs

From St Louis to San Diego

What days are nonstop flights available from St Louis to San Diego?

Nonstop flights are available for this route on the following days: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday.

How popular is this flight route?

The Lambert-St Louis to San Diego flight path was viewed by 80 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What percent of flights are delayed?

Airlines departing from St Louis to San Diego are usually on time.

How many passenger seats are available on a flight on this route?

4 passengers can be comfortably seated on when flying from Lambert-St Louis to San Diego on average per day.

What is the cheapest airline for this route?

When searching, try setting your filters to view flights for Southwest Airlines Co., as currently they have the cheapest options available from St Louis to San Diego. On average you can find 1 flight for this flight path daily.

How long does the flight from St Louis to San Diego take?

You can expect a flight time of up to 4 hours for nonstop. Airlines will travel a distance of up to 971 miles.

How many flights depart from St Louis to San Diego on average per day?

On average, you can expect to see 6 flights from Lambert-St Louis to San Diego a day.
Morning (6am - Noon) - 33% of flight departures
Afternoon (Noon - 6pm) - 33% of flight departures
Evening (6pm - Midnight) - 33% of flight departures

Does it rain more in St Louis or San Diego?

St Louis will have the same amount of rainfall in 1 compared to San Diego over the next 14 days.

Is St Louis weather warmer or cooler than San Diego?

You can imagine temperatures to be in the 90 °F range in July. The weather in San Diego is generally colder than St Louis's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.