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Flights from Sacramento to St. Louis

Cheapest airlines flights from Sacramento to St. Louis

You can choose from 2 airlines that fly from Sacramento to St. Louis, including American Airlines, United Airlines, Frontier Airlines has lowest fares on this route.
American Airlines logo American Airlines
United Airlines logo United Airlines
Airlines are determined based on actual purchased flight tickets from Sacramento to St. Louis according to previous 12 months data from Trip.com.

Search cheap flights from Sacramento to St. Louis in the next 3 months. Based on Trip.com's latest 7-day data, one-way fares start at US$112, and round-trip tickets start at US$230.

      • SMF 05:30
        5h 53m
        1 stop
        STL 13:23
        Sacramento - St. Louis | Fri, Apr 17 | Delta Air Lines
        STL 18:45
        6h 45m
        1 stop
        SMF 23:30
        St. Louis - Sacramento | Wed, Apr 22 | Delta Air Lines
        US$230 US$1,174
        80% off
        80% off
        US$1,174 US$230
      • SMF 06:08
        6h 23m
        1 stop
        STL 14:31
        Sacramento - St. Louis | Thu, May 28 | Delta Air Lines
        STL 19:59
        5h 34m
        1 stop
        SMF 23:33
        St. Louis - Sacramento | Sun, May 31 | Delta Air Lines
        US$230 US$1,174
        80% off
        80% off
        US$1,174 US$230
      • SMF 06:08
        8h 38m
        1 stop
        STL 16:46
        Sacramento - St. Louis | Sat, May 23 | Delta Air Lines
        STL 13:56
        9h 56m
        1 stop
        SMF 21:52
        St. Louis - Sacramento | Fri, May 29 | Delta Air Lines
        US$231 US$1,174
        80% off
        80% off
        US$1,174 US$231
      • SMF 23:05
        8h 43m
        1 stop
        STL 09:48
        Sacramento - St. Louis | Fri, Apr 24 | Delta Air Lines
        STL 15:25
        7h 10m
        1 stop
        SMF 20:35
        St. Louis - Sacramento | Tue, Apr 28 | Delta Air Lines
        US$231
        80% off
        US$1,174 US$231
      • SMF 06:15
        8h 35m
        1 stop
        STL 16:50
        Sacramento - St. Louis | Wed, Apr 22 | Delta Air Lines
        STL 18:45
        6h 45m
        1 stop
        SMF 23:30
        St. Louis - Sacramento | Wed, Apr 29 | Delta Air Lines
        US$232
        80% off
        US$1,174 US$232
      • SMF 17:00
        5h 30m
        1 stop
        STL 00:30
        Sacramento - St. Louis | Fri, May 29 | Delta Air Lines
        STL 06:21
        8h 6m
        1 stop
        SMF 12:27
        St. Louis - Sacramento | Sat, Jun 6 | Delta Air Lines
        US$250
        79% off
        US$1,174 US$250
      • SMF 17:14
        5h 11m
        1 stop
        STL 00:25
        Sacramento - St. Louis | Fri, May 1 | Delta Air Lines
        STL 19:59
        5h 34m
        1 stop
        SMF 23:33
        St. Louis - Sacramento | Thu, May 7 | Delta Air Lines
        US$266
        77% off
        US$1,174 US$266
      • SMF 00:34
        9h 13m
        1 stop
        STL 11:47
        Sacramento - St. Louis | Thu, Apr 30 | American Airlines
        STL 16:30
        8h 59m
        1 stop
        SMF 23:29
        St. Louis - Sacramento | Wed, May 6 | American Airlines
        US$270
        77% off
        US$1,174 US$270
      • SMF 18:30
        18h 51m
        1 stop
        STL 15:21
        Sacramento - St. Louis | Fri, Apr 17 | Frontier Airlines
        STL 21:55
        22h 1m
        1 stop
        SMF 17:56
        St. Louis - Sacramento | Sun, Apr 19 | Frontier Airlines
        US$270
        77% off
        US$1,174 US$270
      • SAC 13:00
        17h 25m
        1 stop
        STL Invalid Date
        Sacramento - St. Louis | Sat, Apr 18 | Normal Airline
        STL 15:00
        6h
        Nonstop
        SAC 16:00
        St. Louis - Sacramento | Mon, Apr 20 | Normal Airline
        Find more flights
        Find more flights
      • SMF 17:14
        22h 52m
        1 stop
        STL 18:06
        Sacramento - St. Louis | Mon, May 18 | Frontier Airlines
        US$112 US$243
        54% off
        54% off
        US$243 US$112
      • SMF 17:14
        22h 52m
        1 stop
        STL 18:06
        Sacramento - St. Louis | Tue, May 19 | Frontier Airlines
        US$114 US$243
        53% off
        53% off
        US$243 US$114
      • SMF 05:30
        5h 53m
        1 stop
        STL 13:23
        Sacramento - St. Louis | Tue, May 5 | Delta Air Lines
        US$118 US$243
        51% off
        51% off
        US$243 US$118
      • SMF 11:48
        8h 29m
        1 stop
        STL 22:17
        Sacramento - St. Louis | Sat, May 2 | American Airlines
        US$125
        49% off
        US$243 US$125
      • SMF 11:03
        6h 18m
        1 stop
        STL 19:21
        Sacramento - St. Louis | Thu, Apr 23 | Frontier Airlines
        US$129
        47% off
        US$243 US$129
      • SMF 11:03
        6h 18m
        1 stop
        STL 19:21
        Sacramento - St. Louis | Fri, May 1 | Frontier Airlines
        US$129
        47% off
        US$243 US$129
      • SCK 22:02
        18h 4m
        1 stop
        STL 18:06
        Sacramento - St. Louis | Mon, May 18 | Allegiant Air
        US$135
        44% off
        US$243 US$135
      • SMF 12:52
        9h 7m
        1 stop
        STL 23:59
        Sacramento - St. Louis | Sat, May 2 | Alaska Airlines
        US$144
        41% off
        US$243 US$144
      • SMF 23:05
        8h 37m
        1 stop
        STL 09:42
        Sacramento - St. Louis | Sat, May 2 | Delta Air Lines
        US$147
        40% off
        US$243 US$147
      • SMF 06:15
        8h 35m
        1 stop
        STL 16:50
        Sacramento - St. Louis | Sat, Apr 18 | Delta Air Lines
        US$221
        9% off
        US$243 US$221
      • SAC 13:00
        17h 25m
        1 stop
        STL Invalid Date
        Sacramento - St. Louis | Sat, Apr 18 | Normal Airline
        Find more flights
        Find more flights

Displayed flight fares from Sacramento to St. Louis are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Sacramento to St. Louis Flight Details

The distance between Sacramento and St. Louis is about 2,709.34 km. The average flying time from Sacramento to St. Louis is around 3 hours 40 minutes. Based on Trip.com's latest data, travel demand is highest in July. The off-season for travel is September.

Cheapest one-way flight priceUS$112
Cheapest return ticket priceUS$230
Cheapest monthSeptember
Peak season for travelJuly
Flight distance2,709.34 km
Average flight time3 hours 40 minutes
Popular airlineAmerican Airlines
Flight statistics for the Sacramento–St. Louis route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from Sacramento to St. Louis (SAC-STL)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as US$112 on Cheapest nonstop routes (e.g. SMF to STL on Mon, May 18), while Delta Air Lines offers Cheapest nonstop round-trips from US$230 departing on Fri, Apr 17 and returning on Wed, Apr 22.
  • At the moment, several airlines serve connecting flights from Sacramento to St. Louis, including: American Airlines United Airlines Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.
  • It takes about 3 hours 40 minutes to fly from Sacramento to St. Louis.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Sacramento to St. Louis is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Sacramento to St. Louis, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Mon, May 18, with one-way flights priced at just US$112.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Frontier Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for St. Louis travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Sacramento to St. Louis is September, when demand for travel is lower.
  • After crunching the numbers on our April flight calendar, it's currently cheapest to fly from Sacramento to St. Louis on April 18, 2026 with Delta Air Lines, with prices starting at US$118.
  • You can land at any one of the following hubs in St. Louis, with Sacramento International Airport to St. Louis Lambert International Airport (SMF-STL) is by far the most common option on this route: St. Louis Downtown Airport (CPS) St. Louis Lambert International Airport (STL).
  • The time difference between St. Louis and Sacramento is 2h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Trip.com Airline Insights on Flights from Sacramento to St. Louis

Which airline offers the cheapest direct flights from Sacramento to St. Louis?

Data is based on the average price of all nonstop flights from Sacramento to St. Louis on Trip.com over the past 12 months.

Based on Trip.com’s data from the past 12 months, Delta Air Lines provides the lowest-priced direct flights from Sacramento to St. Louis, with fares starting at US$197.

US$162
US$197
US$232
US$267
US$302
Delta Air Lines
US$197
Delta Air Lines
United Airlines
US$234
United Airlines
Frontier Airlines
US$240
Frontier Airlines
American Airlines
US$287
American Airlines
Hawaiian Airlines
US$302
Hawaiian Airlines

How many flights fly from Sacramento to St. Louis daily?

The data is based on the flight numbers for each day of the week from Sacramento to St. Louis within the Trip.com database over the past month.

Based on the past month's historical data from Trip.com, the number of flights from Sacramento to St. Louis is the highest on Saturday and the lowest on Monday/Tuesday/Wednesday/Thursday/Friday/Sunday.

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2
Highest
2
Mon
2
Tue
2
Wed
2
Thu
2
Fri
3
Sat
2
Sun

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Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

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Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.