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STL → SANApprox. 2501.17 km11 May 2026Live inventory
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Showing 25
of 109
live flights
American Airlines
AA-418
17:21
05/11/2026
STL
St Louis Lambert International Airport
6h 12m
1 Stop
⏱ ORD · 2h 5mORD Airport
23:33
05/11/2026
SAN
San Diego International Airport
₹10,925
per person
✓ Refundable16 fare options
Delta Air Lines
DL-2421
19:59
05/11/2026
STL
St Louis Lambert International Airport
3h 44m
1 Stop
⏱ SLC · 0h 31mSLC Airport
23:43
05/11/2026
SAN
San Diego International Airport
₹10,952
per person
✕ Non-refundable3 fare options
Delta Air Lines
DL-2363
07:00
05/11/2026
STL
St Louis Lambert International Airport
5h 17m
1 Stop
⏱ SLC · 2h 9mSLC Airport
12:17
05/11/2026
SAN
San Diego International Airport
₹10,952
per person
✕ Non-refundable3 fare options
Delta Air Lines
DL-1597
06:21
05/11/2026
STL
St Louis Lambert International Airport
4h 16m
1 Stop
⏱ MSP · 0h 51mMSP Airport
10:37
05/11/2026
SAN
San Diego International Airport
₹10,952
per person
✕ Non-refundable3 fare options
Delta Air Lines
DL-1605
17:36
05/11/2026
STL
St Louis Lambert International Airport
6h 5m
1 Stop
⏱ MSP · 2h 42mMSP Airport
23:41
05/11/2026
SAN
San Diego International Airport
₹10,952
per person
✕ Non-refundable3 fare options
Delta Air Lines
DL-1597
06:21
05/11/2026
STL
St Louis Lambert International Airport
6h 56m
1 Stop
⏱ MSP · 3h 26mMSP Airport
13:17
05/11/2026
SAN
San Diego International Airport
₹11,062
per person
✕ Non-refundable2 fare options
United Airlines
UA-1770
17:59
05/11/2026
STL
St Louis Lambert International Airport
4h 17m
1 Stop
⏱ DEN · 1h 13mDEN Airport
22:16
05/11/2026
SAN
San Diego International Airport
₹15,493
per person
✕ Non-refundable5 fare options
United Airlines
UA-5764
17:28
05/11/2026
STL
St Louis Lambert International Airport
5h 11m
1 Stop
⏱ ORD · 1h 0mORD Airport
22:39
05/11/2026
SAN
San Diego International Airport
₹15,585
per person
✓ Refundable🔥 Last 5 seats4 fare options
American Airlines
AA-890
14:37
05/11/2026
STL
St Louis Lambert International Airport
3h 48m
1 Stop
⏱ PHX · 1h 10mPHX Airport
18:25
05/11/2026
SAN
San Diego International Airport
₹15,766
per person
✓ Refundable16 fare options
American Airlines
AA-6399
16:30
05/11/2026
STL
St Louis Lambert International Airport
7h 3m
1 Stop
⏱ ORD · 2h 50mORD Airport
23:33
05/11/2026
SAN
San Diego International Airport
₹15,766
per person
✓ Refundable16 fare options
American Airlines
AA-2261
05:20
05/11/2026
STL
St Louis Lambert International Airport
4h 49m
1 Stop
⏱ DFW · 1h 31mDFW Airport
10:09
05/11/2026
SAN
San Diego International Airport
₹19,491
per person
✕ Non-refundable16 fare options
American Airlines
AA-2945
18:11
05/11/2026
STL
St Louis Lambert International Airport
3h 49m
1 Stop
⏱ DFW · 0h 40mDFW Airport
22:00
05/11/2026
SAN
San Diego International Airport
₹19,491
per person
✓ Refundable15 fare options
American Airlines
AA-2444
07:05
05/11/2026
STL
St Louis Lambert International Airport
5h 23m
1 Stop
⏱ ORD · 1h 19mORD Airport
12:28
05/11/2026
SAN
San Diego International Airport
₹19,491
per person
✓ Refundable15 fare options
American Airlines
AA-3128
05:51
05/11/2026
STL
St Louis Lambert International Airport
6h 37m
1 Stop
⏱ ORD · 2h 34mORD Airport
12:28
05/11/2026
SAN
San Diego International Airport
₹19,491
per person
✓ Refundable15 fare options
American Airlines
AA-2958
14:12
05/11/2026
STL
St Louis Lambert International Airport
6h 38m
1 Stop
⏱ CLT · 1h 24mCLT Airport
20:50
05/11/2026
SAN
San Diego International Airport
₹19,491
per person
✕ Non-refundable11 fare options
Delta Air Lines
DL-4174
15:11
05/11/2026
STL
St Louis Lambert International Airport
5h 28m
1 Stop
⏱ MSP · 1h 53mMSP Airport
20:39
05/11/2026
SAN
San Diego International Airport
₹19,579
per person
✕ Non-refundable2 fare options
American Airlines
AA-6447
14:33
05/11/2026
STL
St Louis Lambert International Airport
6h 10m
1 Stop
⏱ ORD · 1h 58mORD Airport
20:43
05/11/2026
SAN
San Diego International Airport
₹20,702
per person
✓ Refundable13 fare options
American Airlines
AA-2945
18:11
05/11/2026
STL
St Louis Lambert International Airport
5h 45m
1 Stop
⏱ DFW · 2h 41mDFW Airport
23:56
05/11/2026
SAN
San Diego International Airport
₹25,077
per person
✓ Refundable13 fare options
American Airlines
AA-2261
05:20
05/11/2026
STL
St Louis Lambert International Airport
6h 54m
1 Stop
⏱ DFW · 3h 39mDFW Airport
12:14
05/11/2026
SAN
San Diego International Airport
₹25,077
per person
✓ Refundable11 fare options
American Airlines
AA-2444
07:05
05/11/2026
STL
St Louis Lambert International Airport
7h 13m
1 Stop
⏱ ORD · 3h 9mORD Airport
14:18
05/11/2026
SAN
San Diego International Airport
₹25,077
per person
✓ Refundable13 fare options
Southwest Airlines
WN-4473
19:20
05/11/2026
STL
St Louis Lambert International Airport
4h 5m
1 Stop
⏱ LAS · 1h 20mLAS Airport
23:25
05/11/2026
SAN
San Diego International Airport
₹26,374
per person
✓ Refundable4 fare options
Southwest Airlines
WN-4459
18:45
05/11/2026
STL
St Louis Lambert International Airport
3h 50m
1 Stop
⏱ DEN · 1h 0mDEN Airport
22:35
05/11/2026
SAN
San Diego International Airport
₹26,931
per person
✓ Refundable🔥 Last 2 seats4 fare options
Southwest Airlines
WN-1764
16:40
05/11/2026
STL
St Louis Lambert International Airport
6h 30m
1 Stop
⏱ MDW · 2h 55mMDW Airport
23:10
05/11/2026
SAN
San Diego International Airport
₹26,931
per person
✓ Refundable4 fare options
American Airlines
AA-890
14:37
05/11/2026
STL
St Louis Lambert International Airport
4h 23m
1 Stop
⏱ PHX · 1h 41mPHX Airport
19:00
05/11/2026
CLD
San Diego International Airport
₹27,254
per person
✕ Non-refundable🔥 Last 4 seats8 fare options
Southwest Airlines
WN-2399
21:40
05/11/2026
STL
St Louis Lambert International Airport
10h 5m
1 Stop
⏱ PHX · 7h 25mPHX Airport
07:45
05/12/2026
+1
SAN
San Diego International Airport
₹27,453
per person
✓ Refundable4 fare options
😕 No flights match your filters.
St. Louis (STL)
📍 St Louis Lambert International Airport
🌍 United States
🕐 GMT -6
📐 Latitude: 38.748697
📐 Longitude: -90.370003
San Diego (SAN)
📍 San Diego International Airport
🌍 United States
🕐 GMT -8
📐 Latitude: 32.7336006165
📐 Longitude: -117.190002441
✈ Distance: St. Louis,USA to San Diego,USA — 2501.17 km
📅 Results on this page are loaded for 11 May 2026. Click View all flights for the complete live search.
St. Louis to San Diego — what to expect when booking
The STL–SAN route is served by multiple carriers throughout the year.
Fares on this route can move quickly — a price available now may not be there 30 minutes later.
If your dates are flexible, try shifting your departure by a day or two using the date strip above.
Mid-week departures often show lower base fares compared to weekend starts on many routes.
The distance between St. Louis,USA and San Diego,USA is approximately
2501.17 km.
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❓ Frequently asked questions — St. Louis to San Diego flights
Generally yes — fares on most routes are most competitive around 4–6 weeks before departure. Booking earlier usually means better availability and a lower base fare when your dates are fixed.
The straight-line distance between St. Louis,USA (STL) and San Diego,USA (SAN) is approximately 2501.17 km. Actual flying distance may vary slightly depending on routing.
Non-stop availability on this route varies by airline schedule and season. Use the filters below to quickly check whether direct options are available on your selected date.
Mid-week departures often show lower prices than weekend travel on many routes. Use the date strip above to compare nearby days quickly.