$100 Cheap flights from San Diego Intl. to Lambert-St. Louis Intl. (SAN to STL)

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Find The Best Dates To Fly from San Diego Intl. to Lambert-St. Louis Intl.

Compare Flight Prices from San Diego to St. Louis

Affordable Airfare Tickets from SAN to STL Airport

The cheapest flights to Lambert-St. Louis Intl. found within the past 7 days were $190 round trip and $100 one way. Prices and availability subject to change. Additional terms may apply.

Fri, May 9 - Sat, May 10
SAN
San Diego
STL
St. Louis
$190 Roundtrip, found 4 days ago
$190
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Fri, May 9 from San Diego to St. Louis, returning Sat, May 10, priced at $190 found 4 days ago
Fri, May 2 - Sat, May 3
SAN
San Diego
STL
St. Louis
$192 Roundtrip, found 3 days ago
$192
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Fri, May 2 from San Diego to St. Louis, returning Sat, May 3, priced at $192 found 3 days ago
Fri, May 9 - Fri, May 16
SAN
San Diego
STL
St. Louis
$211 Roundtrip, found 8 hours ago
$211
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Fri, May 9 from San Diego to St. Louis, returning Fri, May 16, priced at $211 found 8 hours ago
Thu, May 15 - Fri, May 16
SAN
San Diego
STL
St. Louis
$212 Roundtrip, found 2 days ago
$212
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, May 15 from San Diego to St. Louis, returning Fri, May 16, priced at $212 found 2 days ago
Fri, May 30 - Sat, May 31
SAN
San Diego
STL
St. Louis
$222 Roundtrip, found 1 day ago
$222
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, May 30 from San Diego to St. Louis, returning Sat, May 31, priced at $222 found 1 day ago
Thu, May 29 - Sat, May 31
SAN
San Diego
STL
St. Louis
$223 Roundtrip, found 5 hours ago
$223
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Thu, May 29 from San Diego to St. Louis, returning Sat, May 31, priced at $223 found 5 hours ago
Thu, May 15 - Fri, May 16
SAN
San Diego
STL
St. Louis
$230 Roundtrip, found 2 days ago
$230
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, May 15 from San Diego to St. Louis, returning Fri, May 16, priced at $230 found 2 days ago
Thu, May 29 - Tue, Jun 3
CLD
Carlsbad
STL
St. Louis
$237 Roundtrip, found 2 days ago
$237
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, May 29 from Carlsbad to St. Louis, returning Tue, Jun 3, priced at $237 found 2 days ago
Sun, Jun 1 - Sat, Jun 7
SAN
San Diego
STL
St. Louis
$238 Roundtrip, found 2 days ago
$238
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Sun, Jun 1 from San Diego to St. Louis, returning Sat, Jun 7, priced at $238 found 2 days ago
Fri, May 16 - Thu, May 22
SAN
San Diego
STL
St. Louis
$242 Roundtrip, found 3 hours ago
$242
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Fri, May 16 from San Diego to St. Louis, returning Thu, May 22, priced at $242 found 3 hours ago

Frequently asked questions

Can I catch a flight from SAN to Lambert Field right now?
For info on any present Lambert-St. Louis Intl. Airport (STL) quarantine requirements and travel advice, go to our Covid-19 Travel Advisor. Check before you book your flight, so you don’t get caught up en route.
Are there direct flights from San Diego Intl. Airport (SAN) to Lambert Field?
If you want to fly directly from SAN to Lambert Field, have a look at Southwest Airlines. This is the airline for you if you like to get from A to B with no fuss.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Lambert Field, please visit our Customer Service Portal.
How long is the flight from SAN to St. Louis Lambert International Airport?
Flights between San Diego County and St. Louis usually take around 5 hours and 23 minutes in total. Make the most of that time in the air by reading, napping, watching a film or doing all three.
What is the flight distance from San Diego Airport to St. Louis Lambert International Airport?
With a flight distance of 1,550 mi separating SAN and Lambert Field, you’re going to be cruising at altitude for a reasonable amount of time. It’s the perfect chance to watch a movie, do some work or just relax with a magazine.
What airlines fly from San Diego Airport to Lambert-St. Louis Intl. Airport (STL)?
Eager to fly straight from San Diego County to St. Louis? No problem. Southwest Airlines (WN) offers up to 30 flights every month and is the top choice for many savvy travelers.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with Southwest Airlines, American Airlines or Delta you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Flight information from San Diego to St. Louis

 

Traveling From
San Diego Intl.
Traveling To
Lambert-St. Louis Intl.
Shortest Flight Time
3 hours 35 mins
Earliest Departure Time
9:45AM PDT
Latest Departure Time
9:45AM PDT
Lowest Flight Price
$190

Route Info

Flight path for flights from San Diego International Airport to Lambert-St. Louis International Airport


Origin:
SAN - San Diego International Airport
Destination:
STL - Lambert-St. Louis International Airport
Distance:
1,562.00 miles


Airlines & Aircraft Used on SAN to STL Flight Routes


Airline Carrier
Aircraft
Alaska Airlines
Embraer RJ140
American Airlines
Airbus A320-100/200
United Airlines
Airbus A320-100/200

Discover our best flights from San Diego SAN to St. Louis STL. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from San Diego SAN to St. Louis STL at the right price  

Airfares to St. Louis STL from San Diego SAN currently cost between $190 and $242. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from San Diego SAN to St. Louis STL 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from San Diego SAN to St. Louis STL on Travelocity starting at $100. Prices and availability subject to change. Additional terms may apply. 

 

Get to St. Louis STL from San Diego SAN quicker with direct flights. 

Get to St. Louis faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to STL from SAN to take around 3 hour(s) 35 min(s).  

 

Find our cheapest airfares for flights from San Diego SAN to St. Louis STL

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to STL from SAN. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from San Diego SAN to St. Louis STL today 

If you’re flexible about when you travel, May is usually the cheapest month to fly from San Diego SAN to St. Louis STL. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to St. Louis STL from San Diego SAN 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to STL from SAN have this option.  

 

Travel with confidence when you book flights to St. Louis STL from San Diego SAN with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.