Flights between San Diego (SAN) and St Louis (STL)

San Diego International Airport, United States ↔ St. Louis Lambert International Airport, United States

A direct route between San Diego and St Louis appears in the OpenFlights route network.

Confirming who flies SAN–STL

We're verifying which airlines currently operate SAN–STL. Current operators will appear here as our data refreshes.

Distance

2,501 km

1,554 miles

Est. flight time

3h 38m

great-circle estimate

Time difference

~2h

varies with DST

View this route on the live map →Search fares on Skyscanner ↗

Climate

Typical monthly temperatures in United States

Jan

4°

9/-1

70mm

Feb

6°

11/1

60mm

Mar

11°

16/6

75mm

Apr

17°

22/12

80mm

May

23°

28/18

95mm

Jun

28°

33/23

100mm

Jul

30°

35/25

95mm

Aug

29°

34/24

90mm

Sep

25°

30/20

80mm

Oct

18°

23/13

70mm

Nov

11°

16/6

70mm

Dec

5°

10/0

75mm

Mean °C (high/low below), avg. rainfall mm · country-level monthly normals, not airport-specific.

Typical monthly temperatures in United States

Jan

4°

9/-1

70mm

Feb

6°

11/1

60mm

Mar

11°

16/6

75mm

Apr

17°

22/12

80mm

May

23°

28/18

95mm

Jun

28°

33/23

100mm

Jul

30°

35/25

95mm

Aug

29°

34/24

90mm

Sep

25°

30/20

80mm

Oct

18°

23/13

70mm

Nov

11°

16/6

70mm

Dec

5°

10/0

75mm

Mean °C (high/low below), avg. rainfall mm · country-level monthly normals, not airport-specific.

Common questions

How far is San Diego from St Louis?

San Diego (SAN) and St Louis (STL) are around 2,501 km (1,554 miles) apart — an estimated 3h 38m by air. Distances and flight times are great-circle estimates.

What is the time difference between San Diego and St Louis?

Time difference ~ 2 hours (varies with daylight-saving).

When is it warmest in United States?

Across United States, the warmest month on average is July, with mean temperatures around 30°C. These are country-level monthly climate normals, not airport-specific.

Distances and flight times are great-circle estimates, not booked block times.