Are direct Salt Lake City to St Louis flights available?
Yes. The current route snapshot includes 2 non-stop options. Availability can change by travel date, so recheck before payment.
SLC to STL
Salt Lake City to St Louis Flights from US$259 + Up to 20% Off
Compare fares, departure times, stops and baggage details for this route, then open the full search when you are ready to check current availability and complete booking.
Live fares from the airlines
No hidden charges
Transparent cancellation policy
24×7 booking support
Cheapest fareUS$259United Airlines
Fastest2h 51mgate to gate
Options today79flights on this route
Live flights for Tue, 18 Aug 2026
Review fares, stops, timings and baggage. Use Search or View all flights for the complete search result.
Showing flight options for the selected travel date.
Currency: USD
United Airlines
UA-5642
08:23
2026-08-18
Salt Lake City (SLC)
Salt Lake City International
Salt Lake City International27H :17 M
1 Stop
DEN
· 23h 07m Denver (DEN), United States
12:40
2026-08-19
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$251
$259
United Airlines
UA-2090
10:40
2026-08-18
Salt Lake City (SLC)Salt Lake City International
Salt Lake City International25H :00 M
1 Stop
DEN
· 21h 07m Denver (DEN), United States
12:40
2026-08-19
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$251
$259
United Airlines
UA-1662
14:45
2026-08-18
Salt Lake City (SLC)Salt Lake City International
Salt Lake City International20H :55 M
1 Stop
DEN
· 17h 09m Denver (DEN), United States
12:40
2026-08-19
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$251
$259
United Airlines
UA-1662
14:45
2026-08-18
Salt Lake City (SLC)Salt Lake City International
Salt Lake City International24H :49 M
1 Stop
DEN
· 21h 01m Denver (DEN), United States
16:34
2026-08-19
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$251
$259
United Airlines
UA-1943
18:03
2026-08-18
Salt Lake City (SLC)Salt Lake City International
Salt Lake City International17H :37 M
1 Stop
DEN
· 13h 51m Denver (DEN), United States
12:40
2026-08-19
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$251
$259
United Airlines
UA-1943
18:03
2026-08-18
Salt Lake City (SLC)Salt Lake City International
Salt Lake City International21H :31 M
1 Stop
DEN
· 17h 43m Denver (DEN), United States
16:34
2026-08-19
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$251
$259
United Airlines
UA-1943
18:03
2026-08-18
Salt Lake City (SLC)Salt Lake City International
Salt Lake City International25H :43 M
1 Stop
DEN
· 21h 51m Denver (DEN), United States
20:46
2026-08-19
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$251
$259
Alaska Airlines
AS-1583
16:00
2026-08-18
Salt Lake City (SLC)Salt Lake City International
Salt Lake City International6H :59 M
1 Stop
SEA
· 0h 48m Seattle (SEA), United States
23:59
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$281
$289
American Airlines
AA-2883
06:12
2026-08-18
Salt Lake City (SLC)Salt Lake City International
Salt Lake City International17H :02 M
1 Stop
ORD
· 12h 25m Chicago (ORD), United States
00:14
2026-08-19
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$301
$309
American Airlines
AA-2883
06:12
2026-08-18
Salt Lake City (SLC)Salt Lake City International
Salt Lake City International25H :12 M
1 Stop
ORD
· 20h 25m Chicago (ORD), United States
08:24
2026-08-19
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$301
$309
United Airlines
UA-1502
08:10
2026-08-18
Salt Lake City (SLC)Salt Lake City International
Salt Lake City International12H :50 M
1 Stop
ORD
· 8h 01m Chicago (ORD), United States
22:00
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$301
$309
United Airlines
UA-1502
08:10
2026-08-18
Salt Lake City (SLC)Salt Lake City International
Salt Lake City International23H :29 M
1 Stop
ORD
· 18h 37m Chicago (ORD), United States
08:39
2026-08-19
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$301
$309
American Airlines
AA-2586
10:30
2026-08-18
Salt Lake City (SLC)Salt Lake City International
Salt Lake City International12H :44 M
1 Stop
ORD
· 8h 05m Chicago (ORD), United States
00:14
2026-08-19
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$301
$309
American Airlines
AA-2586
10:30
2026-08-18
Salt Lake City (SLC)Salt Lake City International
Salt Lake City International20H :54 M
1 Stop
ORD
· 16h 05m Chicago (ORD), United States
08:24
2026-08-19
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$301
$309
American Airlines
AA-3258
13:08
2026-08-18
Salt Lake City (SLC)Salt Lake City International
Salt Lake City International10H :06 M
1 Stop
ORD
· 5h 20m Chicago (ORD), United States
00:14
2026-08-19
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$301
$309
American Airlines
AA-3258
13:08
2026-08-18
Salt Lake City (SLC)Salt Lake City International
Salt Lake City International18H :16 M
1 Stop
ORD
· 13h 20m Chicago (ORD), United States
08:24
2026-08-19
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$301
$309
United Airlines
UA-1963
16:15
2026-08-18
Salt Lake City (SLC)Salt Lake City International
Salt Lake City International15H :24 M
1 Stop
ORD
· 10h 27m Chicago (ORD), United States
08:39
2026-08-19
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$301
$309
United Airlines
UA-1963
16:15
2026-08-18
Salt Lake City (SLC)Salt Lake City International
Salt Lake City International22H :23 M
1 Stop
ORD
· 17h 29m Chicago (ORD), United States
15:38
2026-08-19
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$301
$309
United Airlines
UA-1963
16:15
2026-08-18
Salt Lake City (SLC)Salt Lake City International
Salt Lake City International28H :45 M
1 Stop
ORD
· 23h 51m Chicago (ORD), United States
22:00
2026-08-19
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$301
$309
American Airlines
AA-1873
17:05
2026-08-18
Salt Lake City (SLC)Salt Lake City International
Salt Lake City International14H :19 M
1 Stop
ORD
· 9h 20m Chicago (ORD), United States
08:24
2026-08-19
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$301
$309
American Airlines
AA-1214
05:00
2026-08-18
Salt Lake City (SLC)Salt Lake City International
Salt Lake City International12H :05 M
1 Stop
DFW
· 7h 30m Dallas (DFW), United States
18:05
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$311
$319
American Airlines
AA-1214
05:00
2026-08-18
Salt Lake City (SLC)Salt Lake City International
Salt Lake City International14H :26 M
1 Stop
DFW
· 9h 53m Dallas (DFW), United States
20:26
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$311
$319
Recommended hotels in St Louis
Stay options near the arrival city for the same travel date.
Best Western Plus Louisa
- 18199 US-23, Louisa, KY 41230 ,
Free WiFiACBreakfast
Room availability is checked live
American Airlines
AA-1214
05:00
2026-08-18
Salt Lake City (SLC)Salt Lake City International
Salt Lake City International17H :42 M
1 Stop
DFW
· 13h 11m Dallas (DFW), United States
23:42
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$311
$319
American Airlines
AA-1214
05:00
2026-08-18
Salt Lake City (SLC)Salt Lake City International
Salt Lake City International27H :24 M
1 Stop
DFW
· 22h 50m Dallas (DFW), United States
09:24
2026-08-19
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$311
$319
American Airlines
AA-644
07:00
2026-08-18
Salt Lake City (SLC)Salt Lake City International
Salt Lake City International10H :05 M
1 Stop
DFW
· 5h 28m Dallas (DFW), United States
18:05
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$311
$319
American Airlines
AA-644
07:00
2026-08-18
Salt Lake City (SLC)Salt Lake City International
Salt Lake City International12H :26 M
1 Stop
DFW
· 7h 51m Dallas (DFW), United States
20:26
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$311
$319
No flights match the selected filters. Clear filters or open full search.
Fare highlights
Selected flight highlights for 18 Aug 2026.
Lowest fare
$259
United Airlines
08:23
Earliest departure
$319
American Airlines
05:00
Shortest duration
$376
Delta Air Lines
20:50
Night
00:00-05:59
$319
American Airlines at 05:00
Morning
06:00-11:59
$259
United Airlines at 08:23
Afternoon
12:00-17:59
$259
United Airlines at 14:45
Evening
18:00-23:59
$259
United Airlines at 18:03
Salt Lake City to St Louis flight booking guide
Quick answers to the most common questions about flying Salt Lake City to St Louis.
Best time or month to book
There is no permanently cheapest month because airline inventory changes continuously. As a practical starting point, compare nearby dates and begin checking international trips 6–12 weeks before departure; peak holidays may need earlier booking.
Cheapest days for this route
Among the dates currently shown, Tuesday has the lowest displayed fare at $259. This is a live snapshot, not a guaranteed weekly rule.
Baggage rules
Allowance is fare-specific, not just airline-specific. Current cards show examples such as 0 Pieces check-in baggage. Open the fare choices and verify cabin/check-in baggage before continuing.
Cancellation and refund explanation
Refundable and non-refundable labels are shown on each card. Exact airline cancellation charges, no-show rules and refund timelines are verified for the selected fare before booking; promotional discounts and applicable charges are adjusted from any refund.
Secure booking support
FlyX rechecks the live fare before payment, shows the payable amount and provides 24×7 booking support. Payment, refund, cancellation and help links are available in the footer.
Airlines flying from Salt Lake City to St Louis
Compare fares, stops, baggage and refundability across the airlines flying this route.
American Airlines Salt Lake City to St Louis flights
American Airlines cheap flights Salt Lake City to St Louis
Fares start from $309 on this route.
Salt Lake City to St Louis American Airlines flight schedule
31 departures — compare timings in the list above.
United Airlines Salt Lake City to St Louis flights
United Airlines cheap flights Salt Lake City to St Louis
Fares start from $259 on this route.
Salt Lake City to St Louis United Airlines flight schedule
25 departures — compare timings in the list above.
Delta Air Lines Salt Lake City to St Louis flights
Delta Air Lines cheap flights Salt Lake City to St Louis
Fares start from $376 on this route.
Salt Lake City to St Louis direct Delta Air Lines flights
2 non-stop flights currently available.
Salt Lake City to St Louis Delta Air Lines flight schedule
20 departures — compare timings in the list above.
Alaska Airlines Salt Lake City to St Louis flights
Alaska Airlines cheap flights Salt Lake City to St Louis
Fares start from $289 on this route.
Salt Lake City to St Louis Alaska Airlines flight schedule
3 departures — compare timings in the list above.
Salt Lake City to St Louis flight details
| Cheapest fare | US$259 · Tue, 18 Aug |
|---|---|
| Fastest flight duration | 2h 51m · Delta Air Lines |
| First departure of the day | 05:00 · American Airlines |
| Last departure of the day | 23:35 · Delta Air Lines |
| Flights currently available | 79 |
| Direct / non-stop options | 2 |
| Popular airlines on this route | American Airlines, United Airlines, Delta Air Lines, Alaska Airlines |
| Airport codes | Salt Lake City–SLC, St Louis–STL |
Fares and timings are indicative — the exact price is confirmed with the airline when you search.
Salt Lake City to St Louis flight schedule, timing and fares
Salt Lake City to St Louis flight schedule and timing
Around 79 flights operate on this route, including 2 non-stop options. Departures run through the day — the first flight leaves around 05:00 and the last around 23:35. The fastest flight takes about 2h 51m.
Morning vs evening Salt Lake City–St Louis fares
Lowest fare by departure window: Morning from $259, Afternoon from $259, Evening from $259, Night from $319. Early-morning and late-night flights are often cheaper than peak daytime slots.
What is today’s lowest airfare from Salt Lake City to St Louis?
The lowest fare we are currently showing is US$259, on a Tuesday departure. Airfares change through the day, so search your dates for the exact price.
Should I book one-way or round-trip for Salt Lake City to St Louis?
Domestic fares are usually priced per leg, so two one-ways often cost about the same as a round-trip and keep your return date flexible. Round-trip is worth choosing when you want a single PNR for both legs, and eligible coupons like FLYX20 apply either way.
Which airlines should I consider for Salt Lake City to St Louis?
American Airlines (31 flights, from $309), United Airlines (25 flights, from $259), Delta Air Lines (20 flights, from $376), Alaska Airlines (3 flights, from $289). Compare fare type, baggage and refundability — the cheapest airline is not always the best value for your dates.
Web check-in for your Salt Lake City to St Louis flight
Most airlines open web check-in 24–48 hours before departure on their own website or app using your PNR. Checking in early lets you pick better seats free of charge on many fares; FlyX also links every booking’s airline check-in page from Web Check-in.
How to book a Salt Lake City to St Louis flight on FlyX
- 1Enter your travel details
Choose one-way or round-trip, pick your dates and travellers in the search form above.
- 2Compare live results
Sort or filter the Salt Lake City–St Louis results by price, departure time, stops and airline.
- 3Open the fare choices
Check baggage allowance and refundability for each fare type before continuing.
- 4Review the final price
FlyX rechecks the live fare with the airline; any eligible coupon is applied automatically.
- 5Pay securely
UPI, cards, net banking and wallets supported; your e-ticket is emailed within minutes.
Why book your Salt Lake City to St Louis flight with FlyX?
If you are looking for Salt Lake City to St Louis flight tickets at the best possible fare, FlyX keeps the process simple and transparent. Enter your dates and travellers, compare live fares across every major airline on this route, and filter by price, departure time, stops or airline to find the flight that actually fits your plan. Every fare you see is rechecked live with the airline before payment, so the price you approve is the price you pay — no hidden charges added at checkout.
And that is not all — eligible discounts like FLYX20 are applied automatically on the review page, payments run over 256-bit SSL with UPI, cards, net banking and wallets, and our 24x7 support team backs every booking as an IATA-accredited travel company. Refund and cancellation rules are shown clearly for each fare before you pay, and your e-ticket lands in your inbox within minutes. So why wait? Book your Salt Lake City to St Louis flight on FlyX and take off with genuine savings today.
Salt Lake City to St Louis flight offers & coupon codes
| Coupon code | Offer | Max saving |
|---|---|---|
| FLYX20 | Up to 20% Off on Flights | ₹1,500 |
Your discount is applied automatically on the review page before you pay. View full terms.
Frequently asked questions - Salt Lake City to St Louis flights
Is it worth booking Salt Lake City to St Louis flights in advance?
Yes, booking flights in advance helps you secure cheap flight tickets. Comparing air ticket prices 3–4 weeks early gives you better visibility of airline timings, baggage policies, and fare rules before high-demand periods push prices up.
How far is Salt Lake City from St Louis by air?
The approximate direct air distance between Salt Lake City (SLC) and St Louis (STL) is 1,855.89 km. The actual flight duration and route path vary depending on airline schedules and wind conditions.
Are there non-stop flights from SLC to STL?
Non-stop flight availability depends on the airline schedule and departure date. You can filter the live search results by stops to view direct flights, one-stop connections, and transit flights instantly.
Why does the price change after clicking Book Now?
Airline seat inventory and airfares change dynamically in real-time. Selecting 'Book Now' runs a live fare verification check to ensure you get the most accurate price before final booking confirmation.
Can I compare nearby dates?
Yes, you can easily compare flights for nearby dates. Select any date on the date calendar strip to refresh the fares, compare air ticket pricing, and choose the most budget-friendly travel day.
Salt Lake City to St Louis - what to expect when booking
The SLC to STL cards above show selected flight options. Airline prices and seat availability can move quickly, so the final fare is rechecked in the booking flow.
Approx route distance: 1,855.89 km.
Before you book
Compare nearby dates
The date strip opens the complete search result for the route and selected date.
Use filters
Shortlist by price, stops, departure time and refundable fare preference.
Check fare choices
Continue to Booking opens the verified fare choices, including baggage and refundability, before review.
Book Cheapest Flight from Salt Lake City to St Louis on FlyX
Securing the best airfare from Salt Lake City to St Louis is all about planning. FlyX's real-time fare tracking system allows you to check flight options and lock in the lowest ticket prices before they rise:
- Book at least 3-4 weeks in advance to secure the most competitive Salt Lake City to St Louis airfares.
- Consider traveling mid-week (Tuesdays or Wednesdays) to bypass weekend pricing surges.
- Early morning or late-night departure flights consistently offer lower fares than afternoon slots.
- Use our live calendar view above to easily spot fare changes on nearby dates.
Find the Lowest airfare from Salt Lake City to St Louis
| Cheapest Fare | Fare | Date | Airline | Departure |
|---|---|---|---|---|
| Lowest Airfare Today | $259 | 18/08/2026 | United Airlines | 08:23 |
| Cheapest Airfare Within 30 Days | $254 | 29/08/2026 | United Airlines | 08:23 |
| Cheapest Airfare Within 90 Days | $246 | 28/10/2026 | United Airlines | 08:23 |
Book Salt Lake City to St Louis Flight Tickets on FlyX
Planning to fly from Salt Lake City to St Louis? FlyX lets you compare flight rates, airline timings, layovers, and baggage allowances all in one simple list. From quick non-stop routes to flexible connecting options, finding and booking cheap air tickets has never been easier.
Salt Lake City to St Louis Flight Distance, Duration and Time
The aerial distance between Salt Lake City and St Louis is approximately 1,856 KM. The flight duration ranges from 2H :51 M up to 28H :45 M depending on whether you book a non-stop flight or a connecting schedule with layovers.
Salt Lake City to St Louis Flight Schedule and Timing
Around 79 flights operate on this route, providing plenty of choices for your travel window. The earliest morning flight departs from Salt Lake City at 05:00, while the last night flight leaves at 23:35. Flights depart from Salt Lake City International and land at Lambert-St Louis Intl.
Flight Route Details & Analysis
| Flight Details | Information |
|---|---|
| Route | Salt Lake City to St Louis |
| Aerial Distance | 1,856 KM |
| Flight Duration | 2H :51 M - 28H :45 M |
| Airport Codes | Salt Lake City - SLC, St Louis - STL |
| Total Flights Available | 79 flights (2 direct) |
| First Flight Departure | Departs at 05:00 |
| Last Flight Departure | Departs at 23:35 |
| Early Morning Flights (12 AM - 8 AM) | 19 direct/indirect flights |
| Morning Flights (8 AM - 12 PM) | 31 direct/indirect flights |
| Afternoon Flights (12 PM - 4 PM) | 15 direct/indirect flights |
| Evening Flights (4 PM - 8 PM) | 12 direct/indirect flights |
| Night Flights (8 PM - 12 AM) | 2 direct/indirect flights |
Airport Information & Terminals
SLC: Salt Lake City airport. Salt Lake City airport transfer should be matched to the exact hotel, suburb or meeting area. Rail can work well for light luggage, but late arrivals, winter weather and family baggage often make a direct cab or booked transfer easier.
STL: St. Louis airport. St. Louis airport transfer should be matched to the exact hotel, suburb or meeting area. Rail can work well for light luggage, but late arrivals, winter weather and family baggage often make a direct cab or booked transfer easier.
STL: St. Louis airport. St. Louis airport transfer should be matched to the exact hotel, suburb or meeting area. Rail can work well for light luggage, but late arrivals, winter weather and family baggage often make a direct cab or booked transfer easier.
