St Louis to San Diego (STL–SAN) — Airlines, Schedules & Connections

STL Airport Page →
1,554 mi airlines charter/private 10/wk
On-time Some delays Frequent delays
Flight Schedule 11 flights Verified 12m ago
Also flown by charter / private operators: Executive Jet Management, Aerolink Uganda.
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
WN3886
WN Southwest
73H
8:25 AM
CDT T2
10:10 AM
PDT
3h 45m
56%
M T W T F S S
Prices
WN3181
WN Southwest
7M8
2:15 PM
CDT T2
3:55 PM
PDT
3h 40m
56%
M T W T F S S
Prices
WN2526
WN Southwest
B38M
2:20 PM
CDT T2
4:00 PM
PDT
3h 40m
56%
M T W T F S S
Prices
WN2528
WN Southwest
7M8
8:50 PM
CDT T2
10:40 PM
PDT
3h 50m
56%
M T W T F S S
Prices
WN1959
WN Southwest
7S7
9:35 PM
CDT T2
11:20 PM
PDT
3h 45m
56%
M T W T F S S
Prices
WN3760
WN Southwest
7M8
6:30 AM
PDT T1
12:10 PM
CDT
3h 40m
25%
M T W T F S S
Prices
WN2231
WN Southwest
7M8
6:35 AM
PDT T1
12:20 PM
CDT
3h 45m
25%
M T W T F S S
Prices
WN3471
WN Southwest
7M8
12:15 PM
PDT T1
5:55 PM
CDT
3h 40m
25%
M T W T F S S
Prices
WN3677
WN Southwest
73H
1:20 PM
PDT T1
6:55 PM
CDT
3h 35m
25%
M T W T F S S
Prices
WN3552
WN Southwest
B38M
1:30 PM
PDT T1
7:05 PM
CDT
3h 35m
25%
M T W T F S S
Prices
UA3784
UA United
7M9
5:10 PM
PDT T2
10:35 PM
CDT
3h 25m
5%
M T W T F S S
Prices

No flights match your filters.

No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.

✦ 1-Stop connections via 10 hubs
OMA Omaha 5h 15m WN WN Omaha (OMA) to San Diego flights
PHX Phoenix 5h 15m AAASUA AAASBA Phoenix (PHX) to San Diego flights
DAL Dallas 5h 20m LXJWN WN Dallas (DAL) to San Diego flights
DEN Denver 5h 25m ACF9SY ACASCM Denver (DEN) to San Diego flights
LAS Las Vegas 5h 25m F9WN ASDLF9 Las Vegas (LAS) to San Diego flights
LAX Los Angeles 5h 44m AAASCX AFAMAV Los Angeles (LAX) to San Diego flights
DFW Dallas-Fort Worth 5h 45m AAASAY AAASAY Dallas-Fort Worth (DFW) to San Diego flights
AUS Austin 5h 45m JREWN ASWN Austin (AUS) to San Diego flights
MCI Kansas City 5h 46m WN WN Kansas City (MCI) to San Diego flights
SLC Salt Lake City 6h DLKESY AFASBA Salt Lake City (SLC) to San Diego flights
1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
St Louis to San Diego
2 carriers, 10 flights/week nonstop.
2 Airlines 1,554 mi 3h 45m nonstop -2h behind

STL–SAN is served by 2 airlines with nonstop service. Southwest Airlines leads the route. The flight covers 1,554 miles in approximately 3h 45m. Beyond nonstop, 1-stop connecting options are also available.

Airline Landscape

All carriers operating nonstop STL–SAN service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
WN Southwest Airlines 10 73H, 7M8, 7S7, B38M 3h40-3h50 62%
TWY TWY 1 62%
Aircraft on this route
73H Boeing 737-800 (Winglets) – WN
7M8 Boeing 737 MAX 8 – WN
7S7 Boeing 737 MAX 7 – WN
B38M Boeing 737 MAX 8 – WN
Alliance coverage
Unaffiliated: TWY + WN (11 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, STL to SAN direction.
Mon
1
flight
Tue
1
flight
Wed
1
flight
Thu
1
flight
Fri
1
flight
Sat
3
flights
Sun
2
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
5
Nonstop flights
10
Outbound / wk
15
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for STL to SAN.
1-STOP
One-Stop Connections
44
Hubs
~5h
Fastest
~22h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
2,529
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.

On-Time Performance

What to expect at each end of your journey.
Outbound
STL → SAN
62%
Moderate delays possible. Allow buffer time.
Departing
62%
Arriving
73%
Return
SAN → STL
46%
Frequent delays expected. Consider flexible booking.
Departing
46%
Arriving
70%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. STL delays → SAN delays →

Travel Essentials

Practical planning for this route.
Time Difference
-2h
San Diego is 2 hours behind St Louis.
STL: CDT · SAN: PDT

When it's 6:00 PM in St Louis, it's 4:00 PM in San Diego.
Distance & Flight Time
1,554 mi / 2,501 km
Nonstop flight time is approximately 3h 45m gate to gate.

STL–SAN Quick Facts

Key statistics for the St Louis to San Diego route.
Route details
Distance1,554 mi / 2,501 km
Flight time3h 45m
Time difference-2 hours
Airlines (nonstop)2
Weekly flights10 out / 15 return
1-stop connectionsAvailable
Origin: STL
IATA / ICAOSTL / KSTL
TimezoneAmerica/Chicago
Passengers/yr15.6M
Elevation618 ft / 188 m
Destination: SAN
IATA / ICAOSAN / KSAN
TimezoneAmerica/Los_Angeles
Passengers/yr25.6M
Elevation17 ft / 5 m

Frequently Asked Questions

Common questions about STL to SAN flights.
Nonstop flights from St. Louis Lambert International Airport to San Diego International Airport take about 3h 45m gate to gate. The route covers 1,554 miles.
2 airlines operate flights from STL to SAN: Southwest Airlines, and others.
This route has daily service. Check the schedule above for departure days and times in each direction.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Eppley Airfield, Phoenix Sky Harbor and Dallas Love Field.
San Diego is 2 hours behind St Louis.
Yes, return flights from SAN to STL are available. Use the direction toggle at the top to view the return schedule.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from STL to SAN

St. Louis Lambert International Airport (STL) and San Diego International Airport (SAN) are connected by nonstop service from Southwest Airlines. With 10 weekly departures, this is a regularly served route.

STL to SAN Flight Duration and Schedule

Nonstop flight time from STL to SAN is about 3 hours 45 minutes gate to gate. The route covers a distance of 1,554 miles (2,501 km). There are approximately 10 weekly flights outbound and 15 return, totaling 25 flights per week in both directions.

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Eppley Airfield, Phoenix Sky Harbor and Dallas Love Field. Two-stop connections are also available via intermediate hubs.