$197 Cheap Delta flights Sacramento (SMF) to St. Louis (STL)

View $197 flight on Tue, Sep 9, 2025Opens in a new window

$197 Cheap Delta flights Sacramento (SMF) to St. Louis (STL)

Prices were available within the past 7 days and start at $197 for one-way flights and $366 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Oct 30 - Tue, Nov 4
SMF
Sacramento
STL
St. Louis
$366 Roundtrip, found 1 hour ago
$366
Roundtrip
found 1 hour ago
Select Delta flight, departing Thu, Oct 30 from Sacramento to St. Louis, returning Tue, Nov 4, priced at $366 found 1 hour ago
Delta
Wed, Jul 16 - Sat, Jul 19
SMF
Sacramento
STL
St. Louis
$407 Roundtrip, found 1 hour ago
$407
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, Jul 16 from Sacramento to St. Louis, returning Sat, Jul 19, priced at $407 found 1 hour ago
Flights from Sacramento (SMF) to St. Louis (STL)
Origin airport
Sacramento Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United
Popular airline
Alaska Airlines
Distance
1674 mi
Average flight time
6 hours 37 mins

Frequently asked questions

How much is a Delta Air Lines flight from Sacramento Intl. Airport (SMF) to Lambert-St. Louis Intl. Airport (STL)?
Make use of the "Price (lowest to highest)" filter on Expedia to look for cheap Delta Air Lines round-trip flights from $366 from SMF to STL. Affordable one-way tickets from $197 are available as well.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from SMF to STL with Delta Air Lines?
January is one of the most affordable months to jet off to St. Louis with Delta Air Lines. You could also find great deals on one-way and round-trip fares in February.
What is the cheapest time to book flights from Sacramento Intl. Airport (SMF) to Lambert-St. Louis Intl. Airport (STL) with Delta Air Lines?
Look for affordable Delta Air Lines flights from Sacramento Intl. Airport (SMF) to Lambert-St. Louis Intl. Airport (STL) one to three months prior to your departure day. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare type and itinerary, the best day to book a domestic flight is usually Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from Sacramento Intl. Airport (SMF) to Lambert-St. Louis Intl. Airport (STL)?
Use our "Nonstop" filter when browsing for direct Delta Air Lines flights from SMF to STL. It's also a good way to compare other carriers offering the same nonstop journey.
What is the earliest Delta Air Lines flight from SMF to STL?
To find the earliest departures from SMF to STL with Delta Air Lines, filter your search by "Morning" and "Early Morning." Choosing an early flight usually means cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in St. Louis?
Delta Air Lines flights from Sacramento Intl. Airport (SMF) to St. Louis touch down at Lambert-St. Louis Intl. Airport (STL). This is the main entry point to this city.
Why fly with Delta Air Lines from SMF to STL?
Heading from SMF to STL with Delta Air Lines means enjoying a variety of perks, such as an excellent in-flight experience and a rewarding loyalty program. Plus, when booking through Expedia, One Key™ members can earn OneKeyCash™* to use on select future travel purchases. That's on top of the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from Sacramento Intl. Airport (SMF) to Lambert-St. Louis Intl. Airport (STL)?
Typically, you can cancel or reschedule your flight, although additional fees may apply if you booked more than 24 hours ago. Prefer to keep your options open? Make use of our "No cancel fee" or "Changes included" filter to find flights that won't penalize you if you need to alter your plans. To modify your itinerary, visit "Trips," select your flight and click on "Manage Booking" for more information.

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*Available to One Key members.