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

SAN — STL
Dec 6 — Dec 131

The best prices from San Diego to Lambert-St Louis are usually found in October or September, booked 52 days in advance, depart on a Monday or Tuesday and return on a Tuesday

How to find the cheapest flight from San Diego (SAN) to St. Louis (STL)

All the information you need to plan the best SAN to STL flight in 2022: compare San Diego to St. Louis flight prices with the expected peak season, weather and rainfall in St. Louis.

SAN - STL

Price

$278 - $469

STL

Temperature

32 - 80.6 °F

STL

Rainfall

2.2 - 4.7 inches

Popular inJuneHigh demand for flights, 22% potential price rise
Cheapest inOctoberBest time to find cheap flights, 24% potential price drop
Round-trip from$278From San Diego to Lambert-St Louis
One-way from$159One-way flight from San Diego to Lambert-St Louis

What is the cheapest day to fly round-trip from San Diego to St. Louis?

Users have found that flying from San Diego to St. Louis on a Saturday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

How far in advance should I book a flight from San Diego to St. Louis?

Travelers have found it’s best to book a flight 53 days in advance to save up to 16% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 53 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from San Diego to St. Louis 1-2 weeks in advance for as low as $376, or $434 for flights within the next 24 hours.

What is the cheapest month to fly from San Diego to St. Louis?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, October can be a great choice for travel to St. Louis. Flights to St. Louis from San Diego in October are about $365 on average during October, but can be found for as low as $169.

When is the cheapest time to fly from San Diego to St. Louis (SAN - STL)?

A simple way to save on the total cost of your ticket is to fly from San Diego to St. Louis in the evening. If you’re flexible enough to do this you can expect to save up to 45% on your trip compared to booking a flight at noon.

Cheap flights from San Diego to St. Louis in December, January 2022

The best prices found for SAN to STL flights for December, January
Dec 6 - Dec 13
SAN

San Diego

STL

Lambert-St Louis

1 stop

11h 43m
STL

Lambert-St Louis

SAN

San Diego

1 stop

25h 28m
$112

Frontier

Pick Dates

Deal found 11/29

Dec 6 - Dec 13
SAN

San Diego

STL

Lambert-St Louis

1 stop

11h 43m
STL

Lambert-St Louis

SAN

San Diego

1 stop

25h 28m
$113

Frontier

Pick Dates

Deal found 11/29

Dec 13 - Dec 15
SAN

San Diego

STL

Lambert-St Louis

1 stop

11h 03m
STL

Lambert-St Louis

SAN

San Diego

1 stop

19h 17m
$118

Multiple Airlines

Pick Dates

Deal found 11/28

San Diego to St. Louis 2022 flight deals

Cheap flights to St. Louis from San Diego found for this year
Dec 6 - Dec 13
SAN

San Diego

STL

Lambert-St Louis

1 stop

11h 43m
STL

Lambert-St Louis

SAN

San Diego

1 stop

25h 28m
$112

Frontier

Pick Dates

Deal found 11/29

Dec 6 - Dec 13
SAN

San Diego

STL

Lambert-St Louis

1 stop

11h 43m
STL

Lambert-St Louis

SAN

San Diego

1 stop

25h 28m
$113

Frontier

Pick Dates

Deal found 11/29

Dec 13 - Dec 15
SAN

San Diego

STL

Lambert-St Louis

1 stop

11h 03m
STL

Lambert-St Louis

SAN

San Diego

1 stop

19h 17m
$118

Multiple Airlines

Pick Dates

Deal found 11/28

Cheap Frontier flights from San Diego to St. Louis

Dec 6 - Dec 13
SAN

San Diego

STL

Lambert-St Louis

1 stop

11h 43m
STL

Lambert-St Louis

SAN

San Diego

1 stop

25h 28m
$112

Frontier

Pick Dates

Deal found 11/29

Dec 6 - Dec 13
SAN

San Diego

STL

Lambert-St Louis

1 stop

11h 43m
STL

Lambert-St Louis

SAN

San Diego

1 stop

25h 28m
$113

Frontier

Pick Dates

Deal found 11/29

Dec 8 - Dec 12
SAN

San Diego

STL

Lambert-St Louis

1 stop

11h 03m
STL

Lambert-St Louis

SAN

San Diego

1 stop

12h 03m
$143

Frontier

Pick Dates

Deal found 12/1

Cheap American Airlines flights from San Diego to St. Louis

Jan 18 - Jan 28
SAN

San Diego

STL

Lambert-St Louis

1 stop

5h 39m
STL

Lambert-St Louis

SAN

San Diego

1 stop

8h 00m
$206

American Airlines

Pick Dates

Deal found 11/30

Jan 18 - Jan 28
SAN

San Diego

STL

Lambert-St Louis

1 stop

5h 22m
STL

Lambert-St Louis

SAN

San Diego

2 stops

9h 33m
$210

American Airlines

Pick Dates

Deal found 11/29

Dec 11 - Dec 15
SAN

San Diego

STL

Lambert-St Louis

2 stops

8h 45m
STL

Lambert-St Louis

SAN

San Diego

2 stops

12h 45m
$445

American Airlines

Pick Dates

Deal found 12/1

Non-stop flights to St. Louis from San Diego

Save time with San Diego to St. Louis direct flight deals
Jan 9 - Jan 12
SAN

San Diego

STL

Lambert-St Louis

Nonstop

3h 25m
STL

Lambert-St Louis

SAN

San Diego

Nonstop

4h 10m
$464

Southwest

Pick Dates

Deal found 11/29

Last minute flights from San Diego to St. Louis

Late deals on return flights to St. Louis from San Diego, departing today and this week
Dec 6 - Dec 13
SAN

San Diego

STL

Lambert-St Louis

1 stop

11h 43m
STL

Lambert-St Louis

SAN

San Diego

1 stop

25h 28m
$112

Frontier

Pick Dates

Deal found 11/29

Dec 6 - Dec 13
SAN

San Diego

STL

Lambert-St Louis

1 stop

11h 43m
STL

Lambert-St Louis

SAN

San Diego

1 stop

25h 28m
$113

Frontier

Pick Dates

Deal found 11/29

Dec 11 - Dec 15
SAN

San Diego

STL

Lambert-St Louis

1 stop

10h 44m
STL

Lambert-St Louis

SAN

San Diego

1 stop

25h 06m
$133

Multiple Airlines

Pick Dates

Deal found 12/1

One-way flights to St. Louis from San Diego

The cheapest one-way flights from San Diego to St. Louis
Dec 6
SAN

San Diego

STL

Lambert-St Louis

1 stop

11h 43m
$55

Frontier

Pick Dates

Deal found 11/29

Dec 11
SAN

San Diego

STL

Lambert-St Louis

1 stop

10h 44m
$65

Multiple Airlines

Pick Dates

Deal found 11/30

Jan 25
SAN

San Diego

STL

Lambert-St Louis

1 stop

17h 39m
$66

Frontier

Pick Dates

Deal found 11/28

Related info for your journey

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

What airports do I use to fly from San Diego to St. Louis?

To fly from San Diego to St. Louis, you need to book a flight from San Diego (SAN) to Lambert-St Louis (STL). Nonstop flights to Lambert-St Louis from San Diego take 3h 25m on average. When it comes time to book airfare, you have a few options: there are 2 outbound flights from San Diego to Lambert-St Louis offered by 7 different airlines.

Which airlines flying from San Diego to Lambert-St Louis have flexible cancellations due to COVID-19?

Some of our airline partners flying from San Diego to Lambert-St Louis have new flexible policies in place due to COVID-19. American Airlines, Frontier, and Delta are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like American Airlines with this kind of flexibility.

Can I find flights from San Diego to St. Louis for under $200 on Cheapflights?

Yes, there are multiple flights from San Diego to St. Louis for under $200. The cheapest flight booked recently is on Multiple Airlines for just $118, but on average you can expect to pay $163.

Are there nonstop flights from San Diego to St. Louis for under $500 on Cheapflights?

Cheapflights has at least 1 direct flight from San Diego to St. Louis under $500. A good price for a nonstop flight from San Diego to St. Louis is less than $464.

Are there last-minute flights available from San Diego to St. Louis for under $200?

There are currently 20+ open flights from San Diego to St. Louis within the next 7 days for less than $200.

How popular is this San Diego to St. Louis flight route?

Flights from San Diego to Lambert-St Louis have been viewed 46 times in the past calendar month.

What are the cheapest airlines flying from San Diego to St. Louis round-trip?

Cheapflights users have booked flights from San Diego to St. Louis round-trip from $145. Other airlines that can offer you cheap pricing are American Airlines, from $206, and Spirit Airlines, from $213. Frontier is priced at 60% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from San Diego to St. Louis one-way?

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $55. Users have also found prices from $67 and $176 on Spirit Airlines and Southwest, respectively.

What are the most popular airlines that fly from San Diego to St. Louis?

Undisclosed Carrier, American Airlines and Alaska Airlines are the most popular airlines when flying from San Diego to St. Louis.

What are the cheapest flights from San Diego to St. Louis?

Looking for the cheapest flight from San Diego to St. Louis? While on average our users pay $757, our data indicates the cheapest price to be $86. The most popular route (San Diego - Lambert-St Louis), is priced around $121.

Alternative routes for San Diego to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from San Diego to St. Louis

The chart below displays the airlines Cheapflights users traveling from San Diego to St. Louis choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Juneyao AirlinesCheapest$15Average$22FlexibilityNo cancel feeOn-time66%COVID-19 safety
Search Juneyao Airlines flights
Spirit AirlinesCheapest$98Average$190FlexibilityNo cancel feeOn-time65%COVID-19 safety
Search Spirit Airlines flights
FrontierCheapest$116Average$263FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
United AirlinesCheapest$230Average$504FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
DeltaCheapest$293Average$528FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
American AirlinesCheapest$323Average$574FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
Alaska AirlinesCheapest$386Average$602FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search Alaska Airlines flights

Hourly flight availability from San Diego to St. Louis

See what time of day planes typically take off from San Diego to St. Louis
10%of flight departuresEarly morningMidnight to 6 am
80%of flight departuresMorning6 am to noon
10%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from San Diego to St. Louis

See how many times per day planes take to the skies headed from San Diego to St. Louis
Sunday3daily flights
Monday2daily flights
Tuesday5daily flights
Wednesday3daily flights
Thursday3daily flights
Friday3daily flights
Saturday0daily flights