Skip to content

Get United's best fares today on flights from Sacramento to Saint Louis from *

Select journey type

Enter to select travel class and passengers

Looking for additional flights from Sacramento to Saint Louis?

FromToDatesFare TypePrice

Sacramento (SMF)

Saint Louis (STL)

Depart: 12/11/19

Return: 01/03/20

Roundtrip
from
$454*
Viewed:1dayago

Sacramento (SMF)

Saint Louis (STL)

Depart: 12/22/19

Return: 12/29/19

Roundtrip
from
$881*
Viewed:1dayago

Sacramento (SMF)

Saint Louis (STL)

Depart: 12/22/19

Return: 01/05/20

Roundtrip
from
$587*
Viewed:1dayago

Sacramento (SMF)

Saint Louis (STL)

Depart: 07/19/20

Return: 07/22/20

Roundtrip
from
$427*
Viewed:1dayago

Sacramento (SMF)

Saint Louis (STL)

Depart: 01/09/20

Return: 01/23/20

Roundtrip
from
$374*
Viewed:2hoursago

Sacramento (SMF)

Saint Louis (STL)

Depart: 01/13/20

Return: 01/27/20

Roundtrip
from
$374*
Viewed:2hoursago

Sacramento (SMF)

Saint Louis (STL)

Depart: 01/26/20

Return: 02/09/20

Roundtrip
from
$374*
Viewed:2hoursago

Sacramento (SMF)

Saint Louis (STL)

Depart: 01/11/20

Return: 01/25/20

Roundtrip
from
$338*
Viewed:2hoursago

Sacramento (SMF)

Saint Louis (STL)

Depart: 01/22/20

Return: 02/05/20

Roundtrip
from
$338*
Viewed:2hoursago

Sacramento (SMF)

Saint Louis (STL)

Depart: 01/24/20

Return: 02/07/20

Roundtrip
from
$374*
Viewed:2hoursago

*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Weather in Saint Louis

Sunday light rain
48°F 12/08/19
Monday light rain
60°F 12/09/19
Tuesday overcast clouds
33°F 12/10/19
Wednesday sky is clear
44°F 12/11/19
Thursday broken clouds
43°F 12/12/19
Friday scattered clouds
46°F 12/13/19
Saturday broken clouds
47°F 12/14/19
Powered by: OpenWeatherMap.org