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

SAN Airport Page →
1,554 mi airlines 18/wk
On-time Some delays Frequent delays
Flight Schedule 12 flights Verified 1h ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight
  Flight Airline AC Dep Arr Dur OTP Sched  
WN2709
WN Southwest
6:46 AM
PDT
1:32 PM
EDT
3h 46m
M T W T F S S
Prices
WN4451
WN Southwest
7S7
7:05 AM
PDT T1
12:35 PM
EDT
3h 30m
M T W T F S S
Prices
WN1474
WN Southwest
7M8
7:10 AM
PDT T1
12:45 PM
EDT
3h 35m
M T W T F S S
Prices
WN1166
WN Southwest
7M8
12:20 PM
PDT T1
5:50 PM
EDT
3h 30m
M T W T F S S
Prices
WN1538
WN Southwest
7M8
1:20 PM
PDT T1
6:55 PM
EDT
3h 35m
M T W T F S S
Prices
AA2131
AA American
1:33 PM
PDT
8:03 PM
EDT
3h 30m
M T W T F S S
Prices
WN4534
WN Southwest
73H
2:16 PM
PDT T1
8:17 PM
EDT
3h 1m
M T W T F S S
Prices
WN2281
WN Southwest
73H
2:50 PM
PDT T1
8:20 PM
EDT
3h 30m
M T W T F S S
Prices
WN4515
WN Southwest
73H
8:25 AM
EDT T2
10:25 AM
PDT
4h
M T W T F S S
Prices
WN2548
WN Southwest
73H
8:25 AM
EDT T2
10:30 AM
PDT
4h 5m
M T W T F S S
Prices
WN2639
WN Southwest
7M8
2:35 PM
EDT T2
4:30 PM
PDT
3h 55m
M T W T F S S
Prices
WN158
WN Southwest
737
6:00 PM
EDT T2
8:05 PM
PDT
4h 5m
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP
2-STOP Loading...
San Diego to St Louis
2 carriers, 18 flights/week nonstop.
2 Airlines 18 Flights/wk 1,554 mi 3h 1m nonstop +3h ahead 61 1-stop hubs

SAN–STL is served by 2 airlines with nonstop service. Southwest Airlines and American Airlines lead the route. The flight covers 1,554 miles in approximately 3h 1m. Beyond nonstop, 61 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop SAN–STL service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
WN Southwest Airlines 17 73H, 7M8, 7S7 3h01-3h46 100%
AA American Airlines 1 3h30 100% Oneworld
Aircraft on this route
73H Boeing 737-800 – WN
7M8 Boeing 737 MAX 8 – WN
7S7 Boeing 737 MAX 7 – WN
Alliance coverage
Unaffiliated: WN (17 flights/wk, 94%)
Oneworld: AA (1 flights/wk, 6%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, SAN to STL direction.
Mon
2
flights
Tue
2
flights
Wed
3
flights
Thu
2
flights
Fri
3
flights
Sat
4
flights
Sun
2
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
8
Nonstop flights
18
Outbound / wk
17
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for SAN to STL.
1-STOP
One-Stop Connections
61
Hubs
~3h
Fastest
~28h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
2,498
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
SAN → STL
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
33%
Return
STL → SAN
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
51%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. SAN delays → STL delays →

Other ways to reach St Louis from San Diego

Nearby airports with service to St. Louis Lambert International Airport.
Metric SAN→STL PSP→STL SBD→STL
Distance from SAN 85 mi 94 mi
Nonstop airlines 2 1 1
Weekly flights 18 1 2
Flight time 3h 1m 2h 1m 3h 8m
Departure OTP 100%
Airports within 200 miles of SAN with service to St. Louis Lambert International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
+3h
St Louis is 3 hours ahead of San Diego.
SAN: PDT · STL: EDT

When it's 6:00 PM in San Diego, it's 9:00 PM in St Louis.
Distance & Flight Time
1,554 mi / 2,501 km
Nonstop flight time is approximately 3h 1m to 3h 46m.

SAN–STL Quick Facts

Key statistics for the San Diego to St Louis route.
Route details
Distance1,554 mi / 2,501 km
Flight time3h 1m to 3h 46m
Time difference+3 hours
Airlines (nonstop)2
Weekly flights18 out / 17 return
1-stop connections61 hubs
Origin: SAN
IATA / ICAOSAN / KSAN
TimezoneAmerica/Los_Angeles
Passengers/yr25.6M
Elevation17 ft / 5 m
Destination: STL
IATA / ICAOSTL / KSTL
TimezoneAmerica/Indiana/Vincennes
Passengers/yr15.6M
Elevation618 ft / 188 m

Frequently Asked Questions

Common questions about SAN to STL flights.
Nonstop flights from San Diego International Airport to St. Louis Lambert International Airport take approximately 3h 1m to 3h 46m. The route covers 1,554 miles.
2 airlines operate nonstop service: American Airlines and Southwest Airlines.
There are approximately 18 nonstop flights per week from SAN to STL. The return direction has about 17 weekly flights.
Yes, 1-stop connections are available through SCF, PSP, SAF, RIL, EGE, BZN, SJC, JAC, APC, TUL, CGF, APF, OKC, TEB, CHS, RDU, ABE, PBI, ATL, SAT, PIT, BNA, LAX, OMA, PHX, DEN, CMH, HOU, LAS, SFO, SLC, MSP, FLL, MDW, ORD, IAD, MCO, DFW, CLT, DAL, MIA, SMF, DTW, PHL, AUS, BOS, BWI, MCI, MKE, MSY, IAH, DCA, IND, SEA, YYZ, TPA, EWR, PVR, HCR, HND and SJD. These options provide additional schedule flexibility.
St Louis is 3 hours ahead of San Diego.
Yes, return flights from STL to SAN are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include PSP, SBD and LAX. See the Alternatives section for a full comparison.
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 SAN to STL

San Diego International Airport (SAN) and St. Louis Lambert International Airport (STL) are connected by nonstop service from American Airlines and Southwest Airlines. With 18 weekly departures, this is a well served route.

SAN to STL Flight Duration and Schedule

Nonstop flight time from SAN to STL ranges from 3 hours 1 minutes to 3 hours 46 minutes. The route covers a distance of 1,554 miles (2,501 km). There are approximately 18 weekly flights outbound and 17 return, totaling 35 flights per week in both directions.

Connecting Options and Alternatives

61 one-stop connections are available, with the fastest taking approximately 3 hours via SCF. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Palm Springs (PSP), San Bernardino (SBD) and Los Angeles (LAX).