SLC - STL

$77 Find Cheap Flights from Salt Lake City to St. Louis - Compare and Save

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Everything you should know

Cheapest round-trip
$164
Typical prices: $367-$547
Frontier
Fri 10/26Wed 10/31
SLC - STL • 1 stop
Cheapest non-stop
$469
Typical prices: $434-$610
Delta
Sat 1/20Tue 1/23
SLC - STL • Non-stop
Nonstop flights
Every day
You can fly direct with Delta. Average duration is 2h 53m
Direct flights
+1
Direct flights
+1
When to book
22 weeks
in advance
Our data shows that travelers who book at least 22 weeks in advance save around 49% compared to booking last minute.
Insights
Insights
When to travel
September
Cheapest • 9% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Orlando (MCO)
Cheapest • Avg $232 (round-trip)
Dallas/Fort Worth (DFW)
Shortest trip • 5h 38m (one-way)
Insights
Insights
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We hope you love your trip to St. Louis!
Flight Deals
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Expert advice
Flight Deals

Cheap Flights from Salt Lake City to St. Louis (SLC-STL)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Salt Lake City to St. Louis

Mon, Oct 26 - Sat, Oct 31
Frontier Logo
11:36 am - 7:15 pmSLC  Salt Lake City-STL Lambert-St Louis
6h 39m1 stop Denver Intl
Frontier Logo
7:59 pm - 12:17 amSTL  Lambert-St Louis-SLC Salt Lake City
5h 18m1 stop Denver Intl
$164Frontier
Wed, Oct 7 - Mon, Oct 12
Frontier Logo
4:16 pm - 11:59 pmSLC  Salt Lake City-STL Lambert-St Louis
6h 43m1 stop Denver Intl
Frontier Logo
4:30 pm - 3:21 pmSTL  Lambert-St Louis-SLC Salt Lake City
23h 51m2 stops Orlando Denver Intl
$181Frontier
Wed, Oct 7 - Mon, Oct 12
Frontier Logo
11:40 am - 11:59 pmSLC  Salt Lake City-STL Lambert-St Louis
11h 19m1 stop Denver Intl
Frontier Logo
8:00 pm - 10:41 amSTL  Lambert-St Louis-SLC Salt Lake City
15h 41m1 stop Denver Intl
$191Frontier
Wed, Jan 20 - Sat, Jan 23
Southwest Logo
3:30 pm - 10:00 pmSLC  Salt Lake City-STL Lambert-St Louis
5h 30m1 stop Las Vegas Harry Reid Intl
Southwest Logo
5:20 am - 12:20 pmSTL  Lambert-St Louis-SLC Salt Lake City
8h 00m1 stop Phoenix Sky Harbor Intl
$326Southwest
Wed, Jan 20 - Sat, Jan 23
Southwest Logo
7:35 am - 4:35 pmSLC  Salt Lake City-STL Lambert-St Louis
8h 00m2 stops Dallas Love Field Austin Bergstrom
Southwest Logo
10:20 am - 3:35 pmSTL  Lambert-St Louis-SLC Salt Lake City
6h 15m1 stop Denver Intl
$331Southwest
Thu, Oct 22 - Tue, Oct 27
Multiple Airlines Logo
8:19 pm - 12:35 pmSLC  Salt Lake City-STL Lambert-St Louis
15h 16m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
7:02 am - 2:06 pmSTL  Lambert-St Louis-SLC Salt Lake City
8h 04m1 stop Seattle/Tacoma Intl
$366Multiple Airlines
Thu, Oct 29 - Fri, Nov 27
Southwest Logo
5:30 pm - 12:40 amSLC  Salt Lake City-STL Lambert-St Louis
6h 10m1 stop Dallas Love Field
Southwest Logo
5:05 am - 12:40 pmSTL  Lambert-St Louis-SLC Salt Lake City
8h 35m1 stop Phoenix Sky Harbor Intl
$394Southwest
Fri, Oct 9 - Tue, Oct 13
Multiple Airlines Logo
4:16 pm - 6:57 pmSLC  Salt Lake City-STL Lambert-St Louis
25h 41m1 stop Denver Intl
Multiple Airlines Logo
7:02 am - 2:06 pmSTL  Lambert-St Louis-SLC Salt Lake City
8h 04m1 stop Seattle/Tacoma Intl
$399Multiple Airlines
Wed, Dec 23 - Mon, Dec 28
Delta Logo
8:41 pm - 12:36 amSLC  Salt Lake City-STL Lambert-St Louis
2h 55mnonstop
Delta Logo
7:38 pm - 10:01 pmSTL  Lambert-St Louis-SLC Salt Lake City
3h 23mnonstop
$469Delta
Wed, Nov 25 - Fri, Nov 27
Delta Logo
5:30 pm - 9:18 pmSLC  Salt Lake City-STL Lambert-St Louis
2h 48mnonstop
Delta Logo
7:08 am - 9:28 amSTL  Lambert-St Louis-SLC Salt Lake City
3h 20mnonstop
$469Delta
Booking Insights

Price, demand and travel trends for Salt Lake City to St. Louis flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Salt Lake City to St. Louis with more confidence.

How much is a round-trip flight from Salt Lake City to St. Louis?

Round-trip flights from Salt Lake City to St. Louis start at $164. Prices are below average for this route right now, with typical round-trip fares ranging from $367 to $547. The lowest price found in the past 5 days was $164 on Frontier.

What's the cheapest day of the week to fly from Salt Lake City to St. Louis?

Saturday is the cheapest day of the week to fly from Salt Lake City to St. Louis, it is 5% cheaper than the average day. Wednesday is the most expensive day with flight prices 11% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Salt Lake City to St. Louis?

  • September is the cheapest month to fly from Salt Lake City to St. Louis at $399 round-trip.
  • November ($519) and January ($486) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 30% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Salt Lake City to St. Louis the cheapest?

Flights from Salt Lake City to St. Louis are cheapest 22 weeks before departure. Booking in this window typically costs about 49% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Expert advice

Expert advice for your flight from Salt Lake City to St. Louis

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Yulia Denisyuk

Yulia Denisyuk

Expert on STL

Yulia is a freelance journalist who’s dispatched from 90+ countries. Her work focuses on cultures, adventure trips and air travel, appearing in NatGeo, NYT, CNTraveler, and more. For past assignments, she’s stayed with nomads in Mongolia and learned the art of Imigongo in Rwanda. She’s based in Chicago; in winter she often questions that decision.

Read more
Harriet Baskas

Harriet Baskas

Expert on SLC

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more

Key details for Salt Lake City to St. Louis flights

Low season

January

Cheapest flight

$77
Best time to beat the crowds but there is an average 11% increase in price.
Flight from Salt Lake City to St. Louis

When to book flights from Salt Lake City to St. Louis

Are your dates flexible? Find out the best times to travel from Salt Lake City to St. Louis based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Salt Lake City to St. Louis flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airlines offer extra legroom and free seat selection on Salt Lake City to St. Louis flights?

    Among airlines operating Salt Lake City to St. Louis flights:

    • Delta: offers extra legroom; offers free seat selection
    • Southwest: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • What airlines are available from Salt Lake City to St. Louis?

    Only Delta operates flights between Salt Lake City and St. Louis.

  • Which airports can I use when flying from Salt Lake City to St. Louis?

    Flights from Salt Lake City to St. Louis usually depart from Salt Lake City (SLC) and arrive at Lambert-St Louis (STL).

  • Which airlines include bags at no extra cost on Salt Lake City to St. Louis flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Delta: a cabin bag in Economy Class class
    • JetBlue: a cabin bag in Economy Class class
    • Southwest: a cabin bag in Economy Class class

    Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

  • What cabin classes can I book on flights from Salt Lake City to St. Louis?

    Only Economy Class is available on flights from Salt Lake City to St. Louis.

  • How much can I save by taking a layover when flying from Salt Lake City to St. Louis?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $232 round-trip via Orlando (MCO), compared to $505 for nonstop.

  • What is the standard checked-bag allowance on flights from Salt Lake City to St. Louis?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $35–$90 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Salt Lake City to St. Louis?

    The Airbus A320-100/200 family is used most often on this route, operated mainly by JetBlue. Other aircraft seen on the route include Airbus A220-100 variants.

  • Which airports do connecting flights from Salt Lake City to St. Louis pass through?

    One-stop flights from Salt Lake City to St. Louis most commonly connect through:

    • Denver Intl (DEN) - 84% of one-stop connections
    • Dallas Love Field (DAL) - 7% of one-stop connections
    • Las Vegas Harry Reid Intl (LAS) - 4% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 3% of one-stop connections

    Denver Intl (DEN) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Salt Lake City to St. Louis?

    On the Salt Lake City to St. Louis route, being flexible with your departure day can save you up to 15%. Saturday is the cheapest day at $419 round-trip on average, while Wednesday is the most expensive at $489: a $70 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How are flight departures from Salt Lake City to St. Louis spread across the day?

    Morning is the busiest departure period on Salt Lake City to St. Louis flights, with 34% of flights leaving in that window. Afternoon departures account for 33%, evening flights for 33%, and night flights for 0%.

  • What popular places can I visit in St. Louis?

    Some of the most popular sights in St. Louis are Downtown St. Louis, Busch Stadium and Enterprise Center. These are among the most viewed places in St. Louis on KAYAK.

  • What are the earliest and latest flights from Salt Lake City to St. Louis?

    These are the earliest and latest flight times available from Salt Lake City to St. Louis:

    • Earliest: departs at 9:35 am and lands at 12:28 pm
    • Latest: departs at 8:51 pm and lands at 11:44 pm.

    The flight takes about 2h 53m.

  • How expensive are last-minute Salt Lake City to St. Louis flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 58% above the route average of $439. Book 22 weeks before departure for the lowest fares.

  • How long is a flight from Salt Lake City to St. Louis?

    A nonstop flight from Salt Lake City to St. Louis takes 2h 53m, covering 1,153 miles.

  • Do I need a passport to fly from Salt Lake City to St. Louis?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Salt Lake City to St. Louis changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $164 to $1,478. That means the highest observed fare was about 9x higher than the lowest one.

  • How are flight prices from Salt Lake City to St. Louis looking right now?

    One-way fares from Salt Lake City to St. Louis are currently lower than usual. Average one-way flight prices are about $174, which is 36% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Salt Lake City to St. Louis?

    Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time at 5h 38m, compared with 6h 07m via Chicago O'Hare Intl (ORD) and 6h 23m via Dallas Love Field (DAL).

  • What is the time difference between Salt Lake City and St. Louis?

    St. Louis is 1 hour ahead of Salt Lake City (Central Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Lambert-St Louis Airport (STL)?

    Lambert-St Louis Airport (STL) hosts 5 major car rental companies, with daily rates starting from around $31 for economy cars. Top options include:
    • Hertz
    • Budget
    • Alamo
    • Enterprise Rent-A-Car
    • Payless

  • How much should I expect to pay for a Salt Lake City to St. Louis flight?

    Round-trip flights from Salt Lake City to St. Louis range from $367 to $547, with an average of $439 over the past 12 months. Anything below $367 counts as a good deal.

  • Which airlines offer Wi-Fi on Salt Lake City to St. Louis flights?

    Two airlines offer in-flight Wi-Fi on Salt Lake City to St. Louis flights:

    • • Delta
    • • JetBlue

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

Your guide to booking Salt Lake City to St. Louis flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Saturday departure instead of Wednesday. On this route, Saturday flights average $419 - about $70 less than Wednesday (14% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 22 weeks before you fly. On this route, that window historically saves about 49% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Salt Lake City to St. Louis trip for September. Fares historically average $399 round-trip in that month - typically $120 less than the most expensive month, which is November (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Orlando Airport (MCO) can be cheaper than flying direct. The cheapest layover option averages $232 round-trip on this route - about $273 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Lambert-St Louis Airport.
    - Drury Inn & Suites St. Louis Airport
    - Renaissance St. Louis Airport Hotel
    - DoubleTree by Hilton St. Louis Airport

Prefer to fly direct from Salt Lake City to St. Louis?

 
Find which airlines fly direct from Salt Lake City Airport to Lambert-St Louis Airport, which days they fly and book direct flights.

Direct departures

Salt Lake City to Lambert-St Louis

Monday

Delta

Delta

Tuesday

Delta

Delta

Wednesday

Delta

Delta

Thursday

Delta

Delta

Friday

Delta

Delta

Saturday

Delta

Delta

Sunday

Delta

Delta

See more direct flights

Direct returns

Lambert-St Louis to Salt Lake City

Monday

Delta

Delta

Tuesday

Delta

Delta

Wednesday

Delta

Delta

Thursday

Delta

Delta

Friday

Delta

Delta

Saturday

Delta

Delta

Sunday

Delta

Delta

See more direct flights

More options for your flight from Salt Lake City to St. Louis

Complete your trip to St. Louis with a hotel stay or car rental

Car rentals in St. Louis
Hotels in St. Louis
Vacations in St. Louis