$162 Cheap Frontier Airlines flights St. Louis (STL) to Sacramento (SMF)

View $162 flight on Thu, Aug 14, 2025Opens in a new window

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

$162 Cheap Frontier Airlines flights St. Louis (STL) to Sacramento (SMF)

Prices were available within the past 7 days and start at $162 for one-way flights and $235 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sat, Sep 13 - Fri, Sep 19
STL
St. Louis
SMF
Sacramento
$235 Roundtrip, found 6 days ago
$235
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Sat, Sep 13 from St. Louis to Sacramento, returning Fri, Sep 19, priced at $235 found 6 days ago
Frontier Airlines
Sat, Sep 13 - Thu, Sep 25
STL
St. Louis
SMF
Sacramento
$249 Roundtrip, found 6 days ago
$249
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Sat, Sep 13 from St. Louis to Sacramento, returning Thu, Sep 25, priced at $249 found 6 days ago
Frontier Airlines
Wed, Aug 27 - Fri, Aug 29
STL
St. Louis
SMF
Sacramento
$255 Roundtrip, found 4 days ago
$255
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Wed, Aug 27 from St. Louis to Sacramento, returning Fri, Aug 29, priced at $255 found 4 days ago
Frontier Airlines
Wed, Aug 27 - Thu, Sep 4
STL
St. Louis
SMF
Sacramento
$265 Roundtrip, found 4 days ago
$265
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Wed, Aug 27 from St. Louis to Sacramento, returning Thu, Sep 4, priced at $265 found 4 days ago
Frontier Airlines
Wed, Nov 5 - Mon, Nov 17
STL
St. Louis
SMF
Sacramento
$274 Roundtrip, found 4 days ago
$274
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Wed, Nov 5 from St. Louis to Sacramento, returning Mon, Nov 17, priced at $274 found 4 days ago
Frontier Airlines
Wed, Aug 27 - Sun, Aug 31
STL
St. Louis
SMF
Sacramento
$275 Roundtrip, found 4 days ago
$275
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Wed, Aug 27 from St. Louis to Sacramento, returning Sun, Aug 31, priced at $275 found 4 days ago
Frontier Airlines
Sun, Nov 2 - Mon, Nov 17
STL
St. Louis
SMF
Sacramento
$285 Roundtrip, found 4 days ago
$285
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sun, Nov 2 from St. Louis to Sacramento, returning Mon, Nov 17, priced at $285 found 4 days ago
Frontier Airlines
Wed, Nov 5 - Sun, Nov 16
STL
St. Louis
SMF
Sacramento
$294 Roundtrip, found 4 days ago
$294
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Wed, Nov 5 from St. Louis to Sacramento, returning Sun, Nov 16, priced at $294 found 4 days ago
Frontier Airlines
Thu, Aug 28 - Fri, Sep 12
STL
St. Louis
SMF
Sacramento
$314 Roundtrip, found 4 days ago
$314
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Thu, Aug 28 from St. Louis to Sacramento, returning Fri, Sep 12, priced at $314 found 4 days ago
Flights from St. Louis (STL) to Sacramento (SMF)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Sacramento Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United
Popular airline
American Airlines
Distance
1674 mi
Average flight time
4 hours 26 mins

Frequently asked questions

How much is a Frontier Airlines flight from Lambert-St. Louis Intl. Airport (STL) to Sacramento Intl. Airport (SMF)?
Make use of the "Price (lowest to highest)" filter on Expedia to look for cheap Frontier Airlines round-trip flights from $235 from STL to SMF. Affordable one-way options from $162 are also on offer.**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 STL to SMF with Frontier Airlines?
January is one of the most affordable months to travel to Sacramento with Frontier Airlines. You could also find fantastic deals on one-way and round-trip fares in February.
What is the cheapest time to book flights from Lambert-St. Louis Intl. Airport (STL) to Sacramento Intl. Airport (SMF) with Frontier Airlines?
Look for affordable Frontier Airlines flights from Lambert-St. Louis Intl. Airport (STL) to Sacramento Intl. Airport (SMF) one to three months before your departure. 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. Regardless of fare type and journey, the best day of the week 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 Frontier Airlines fly nonstop from Lambert-St. Louis Intl. Airport (STL) to Sacramento Intl. Airport (SMF)?
To see if there's a direct route from STL to SMF with Frontier Airlines or other carriers, check the "Nonstop" box when searching for tickets.
What is the earliest Frontier Airlines flight from STL to SMF?
Filter your results by "Early Morning" and "Morning" to browse the earliest departures from STL to SMF. Jetting off early means you're less likely to experience cancellations.**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 Frontier Airlines fly into in Sacramento?
Take a Frontier Airlines flight from Lambert-St. Louis Intl. Airport (STL) to Sacramento, and you're most likely to come in to Sacramento Intl. Airport (SMF). This is the airline's main hub here.
Why fly with Frontier Airlines from STL to SMF?
A rewarding loyalty program and the opportunity to collect points through Frontier Miles are the start of the reasons to jet off from STL to SMF with Frontier Airlines. Plus, when you sign up to our One Key™ program, you can earn OneKeyCash™* on top of Frontier Airlines's loyalty program earnings. It's yours to spend on future travel plans.*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 Frontier Airlines flight from Lambert-St. Louis Intl. Airport (STL) to Sacramento Intl. Airport (SMF)?
Depending on your fare type, a fee will generally apply if you change or cancel your booking more than 24 hours after it's confirmed. To secure flexible fares, select our "No cancel fee" or "Changes included" filter when searching for flights. For additional information on changing or canceling your reservation, go to "Trips," select your flight and tick "Manage Booking."

Explore a world of travel with Expedia

*Available to One Key members.