United States · 1,675 miles (2,695 km)

Sacramento (SMF) to Saint Louis (STL) flights

One airline flies nonstop from Sacramento (SMF) to Saint Louis (STL): Southwest Airlines. The two airports are 1,675 miles (2,695 km) apart. There are also 29 ways to fly it with one stop, through Denver, Kansas City and Salt Lake City and more.

Airlines flying nonstop from SMF to STL

SMF to STL with one stop

29 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via Denver (DEN)United Airlines, Southwest Airlines and 1 more the whole way
    United Airlines logo
    Southwest Airlines logo
    Frontier Airlines logo
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
  • Via Kansas City (MCI)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Salt Lake City (SLC)Delta Air Lines the whole way
    Delta Air Lines logo
    Southwest Airlines logo
    Delta Air Lines logo
  • Via Las Vegas (LAS)Southwest Airlines and Frontier Airlines the whole way
    Southwest Airlines logo
    Frontier Airlines logo
    Frontier Airlines logo
    Southwest Airlines logo
  • Via San Francisco (SFO)United Airlines the whole way
    United Airlines logo
    United Airlines logo
    Southwest Airlines logo
  • Via Phoenix (PHX)American Airlines and Southwest Airlines the whole way
    American Airlines logo
    Southwest Airlines logo
    American Airlines logo
    Southwest Airlines logo
  • Via Burbank (BUR)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Los Angeles (LAX)American Airlines and Southwest Airlines the whole way
    American Airlines logo
    Delta Air Lines logo
    United Airlines logo
    +2
    American Airlines logo
    Southwest Airlines logo
  • Via Minneapolis (MSP)Delta Air Lines the whole way
    Delta Air Lines logo
    Delta Air Lines logo
    Southwest Airlines logo
  • Via Dallas (DFW)American Airlines the whole way
    American Airlines logo
    American Airlines logo
    Frontier Airlines logo
  • Via Dallas (DAL)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via San Diego (SAN)Southwest Airlines the whole way
    Alaska Airlines logo
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Chicago (ORD)American Airlines and United Airlines the whole way
    American Airlines logo
    United Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Chicago (MDW)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Portland (PDX)Alaska Airlines and Southwest Airlines the whole way
    Alaska Airlines logo
    Southwest Airlines logo
    Alaska Airlines logo
    Southwest Airlines logo
See all 29 in Routes

SMF to STL: common questions

Which airlines fly nonstop from SMF to STL?

Southwest Airlines flies nonstop from Sacramento (SMF) to Saint Louis (STL).

How far is Sacramento from Saint Louis by plane?

Sacramento (SMF) and Saint Louis (STL) are 1,675 miles (2,695 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

How many miles does SMF to STL cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for SMF to STL with taxes and fees.

Where can I connect between Sacramento and Saint Louis?

The most direct connections are through Denver (DEN), Kansas City (MCI), Salt Lake City (SLC), Las Vegas (LAS) and San Francisco (SFO). On 29 of them the same airline flies both flights, for example United Airlines through Denver.

More routes

Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.