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£153 Cheap Flights from Salt Lake City (SLC) to St. Louis (STL)

View £153 flight on Mon, 21 Sept 2026Opens in a new window

Popular airlines from Salt Lake City International Airport (SLC) to Lambert-St. Louis International Airport (STL)

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

Prices were available within the past 7 days and start at £153 for one-way flights and £305 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Mon, 14 Sept - Mon, 21 Sept
SLC
Salt Lake City
STL
St. Louis
£305 Return, found 1 hour ago
£305
Return
found 1 hour ago
Select Alaska Airlines flight, departing Mon, 14 Sept from Salt Lake City to St. Louis, returning Mon, 21 Sept, priced at £305 found 1 hour ago
American Airlines
Wed, 19 Aug - Wed, 26 Aug
SLC
Salt Lake City
STL
St. Louis
£306 Return, found 20 hours ago
£306
Return
found 20 hours ago
Select American Airlines flight, departing Wed, 19 Aug from Salt Lake City to St. Louis, returning Wed, 26 Aug, priced at £306 found 20 hours ago
American Airlines
Wed, 30 Sept - Sat, 3 Oct
SLC
Salt Lake City
STL
St. Louis
£311 Return, found 2 days ago
£311
Return
found 2 days ago
Select American Airlines flight, departing Wed, 30 Sept from Salt Lake City to St. Louis, returning Sat, 3 Oct, priced at £311 found 2 days ago
American Airlines
Wed, 30 Sept - Sat, 3 Oct
SLC
Salt Lake City
STL
St. Louis
£317 Return, found 2 days ago
£317
Return
found 2 days ago
Select American Airlines flight, departing Wed, 30 Sept from Salt Lake City to St. Louis, returning Sat, 3 Oct, priced at £317 found 2 days ago
American Airlines
Wed, 19 Aug - Wed, 26 Aug
SLC
Salt Lake City
STL
St. Louis
£323 Return, found 20 hours ago
£323
Return
found 20 hours ago
Select American Airlines flight, departing Wed, 19 Aug from Salt Lake City to St. Louis, returning Wed, 26 Aug, priced at £323 found 20 hours ago
United
Wed, 30 Sept - Sat, 3 Oct
SLC
Salt Lake City
STL
St. Louis
£328 Return, found 2 days ago
£328
Return
found 2 days ago
Select United flight, departing Wed, 30 Sept from Salt Lake City to St. Louis, returning Sat, 3 Oct, priced at £328 found 2 days ago
Alaska Airlines
Mon, 21 Sept - Sun, 27 Sept
SLC
Salt Lake City
STL
St. Louis
£330 Return, found 2 days ago
£330
Return
found 2 days ago
Select Alaska Airlines flight, departing Mon, 21 Sept from Salt Lake City to St. Louis, returning Sun, 27 Sept, priced at £330 found 2 days ago
Alaska Airlines
Wed, 30 Sept - Sat, 3 Oct
SLC
Salt Lake City
STL
St. Louis
£331 Return, found 2 days ago
£331
Return
found 2 days ago
Select Alaska Airlines flight, departing Wed, 30 Sept from Salt Lake City to St. Louis, returning Sat, 3 Oct, priced at £331 found 2 days ago
Alaska Airlines
Mon, 14 Sept - Mon, 21 Sept
SLC
Salt Lake City
STL
St. Louis
£332 Return, found 1 hour ago
£332
Return
found 1 hour ago
Select Alaska Airlines flight, departing Mon, 14 Sept from Salt Lake City to St. Louis, returning Mon, 21 Sept, priced at £332 found 1 hour ago
Delta
Wed, 30 Sept - Sat, 3 Oct
SLC
Salt Lake City
STL
St. Louis
£338 Return, found 2 days ago
£338
Return
found 2 days ago
Select Delta flight, departing Wed, 30 Sept from Salt Lake City to St. Louis, returning Sat, 3 Oct, priced at £338 found 2 days ago

Frequently asked questions

How much does a flight from Salt Lake City, UT (SLC-Salt Lake City Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) cost?
You can find one-way and return flights from SLC to STL with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when SLC to STL ticket fares go up or down.
What is the cheapest month to fly from Salt Lake City, UT (SLC-Salt Lake City Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
September is typically the cheapest month to fly from Salt Lake City, UT (SLC-Salt Lake City Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.), with average return fares around £298. September often sees lower prices as the summer travel season winds down, and demand decreases. Other cheap months to fly from Salt Lake City, UT (SLC-Salt Lake City Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) include April and August.
Which airlines fly direct from Salt Lake City, UT (SLC) to St. Louis, MO (STL)?
Enter SLC to STL and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Salt Lake City, UT (SLC) to St. Louis, MO (STL)?
To find a cheap flight from Salt Lake City, UT (SLC) to St. Louis, MO (STL), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Salt Lake City, UT (SLC-Salt Lake City Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
When looking for the best time to fly from Salt Lake City International Airport (SLC) to Lambert-St. Louis International Airport (STL), you'll want to consider both price and flight availability. September and April tend to be the cheapest months, with average return flights around £298. While March and October are popular months with plenty of flight options, they might not offer the absolute lowest fares. If you're flexible, aiming for September or April could give you a good balance of reasonable prices and decent flight schedules.
What is the earliest flight from Salt Lake City, UT (SLC) to St. Louis, MO (STL)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from Salt Lake City, UT (SLC) to St. Louis, MO (STL). To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Salt Lake City, UT (SLC-Salt Lake City Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Direct flights from SLC to STL usually take about 2 hours 50 minutes, traveling roughly 1,857 kilometers. If you opt for a connecting flight, expect to add around 4 hours 40 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Salt Lake City, UT (SLC) to St. Louis, MO (STL)?
Select the "Business class" and "First class" filters when looking for Salt Lake City, UT (SLC) to St. Louis, MO (STL) flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Salt Lake City, UT (SLC) to St. Louis, MO (STL) flight with Expedia?
It's easy to earn miles on a Salt Lake City, UT (SLC) to St. Louis, MO (STL) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Salt Lake City, UT (SLC) to St. Louis, MO (STL) at the last minute?
Typically, booking a last minute flight from Salt Lake City, UT (SLC) to St. Louis, MO (STL) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Salt Lake City, UT (SLC) to St. Louis, MO (STL) flight and hotel package?
Securing a Salt Lake City, UT (SLC) to St. Louis, MO (STL) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Salt Lake City, UT (SLC) to St. Louis, MO (STL)?
If you booked your Salt Lake City, UT (SLC) to St. Louis, MO (STL) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Salt Lake City Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Return price
£305
Distance
1846 km
Average flight time
5 hours 10 mins

Book with confidence

Compare flights from Salt Lake City to St. Louis easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Salt Lake City to St. Louis. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Lambert-St. Louis Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Salt Lake City Intl. to Lambert-St. Louis Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Salt Lake City Intl. (SLC) to Lambert-St. Louis Intl. (STL)

The easiest way to view the best deals on flights from Salt Lake City to St. Louis today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Salt Lake City Intl. to Lambert-St. Louis Intl. start at just £305 and range up to £338.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Salt Lake City and St. Louis
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Salt Lake City to St. Louis flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Salt Lake City Intl. to Lambert-St. Louis Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Salt Lake City to St. Louis easily and book with confidence

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*Available to Expedia members.