Cheap flights from St. Louis to Salt Lake City from $100
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Salt Lake City departing on 7/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Delta flights from St. Louis to Salt Lake City
Our best Delta deals on St. Louis to Salt Lake City flight tickets
Frontier flights from St. Louis to Salt Lake City
Our best Frontier deals on St. Louis to Salt Lake City flight tickets
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How to get the cheapest flight ticket from St. Louis to Salt Lake City
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Salt Lake City?
In general, April is the cheapest month to fly from St. Louis to Salt Lake City. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $359. If you are unable to visit Salt Lake City during the month of April, then departing from St. Louis during the month September is also very affordable. Most momondo users find prices during this month for around $389.
What is the cheapest day to depart on your flight to Salt Lake City?
On average, the least expensive day to fly to Salt Lake City from St. Louis is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $358. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Salt Lake City on Sunday is $503.
What is the cheapest time of day to depart on your flight to Salt Lake City?
Our most recent data shows that the best time of day to fly to Salt Lake City is in the evening. Flights from St. Louis to Salt Lake City during this time can be as low as $336. In the morning is when there is more demand to fly to Salt Lake City, so prices are often more expensive at around $446 per ticket.
What is the cheapest Lambert-St Louis to Salt Lake City flight route?
Fly from Lambert-St Louis to Salt Lake City for the best Lambert-St Louis - Salt Lake City flight prices
How far in advance should I book a flight to Salt Lake City?
You are more likely to see cheaper flights to Salt Lake City from St. Louis when booking 24 weeks ahead of your departure date. In general, you can expect to find flights to Salt Lake City for around $430 when searching 24 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Salt Lake City from St. Louis for as low as $362 on momondo.
What cabin class options are available on Lambert-St Louis to Salt Lake City flights?
There are 4 cabin classes available to choose from on Lambert-St Louis to Salt Lake City flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Lambert-St Louis to Salt Lake City?
Frontier, Southwest, and Spirit Airlines are the most popular carriers operating from Lambert-St Louis to Salt Lake City
What airlines fly to Salt Lake City?
Delta, Frontier and Southwest are the top three most popular airlines that fly to Salt Lake City from St. Louis according to our data. Delta is the first choice among our users, with 66% of people opting to fly with this airline when traveling to Salt Lake City. Keep in mind that there are 5 different airlines that fly to Salt Lake City on a routine basis, so you have a few additional options to choose from.
How many flights depart from St. Louis to Salt Lake City on average per day?
As of June 2025, 4 flights take off from St. Louis and land in Salt Lake City each day. The most common flight departure time for this route is 7:00AM, with 49% of daily flights taking off at noon.
How many flights depart from St. Louis to Salt Lake City on average per week?
The number of flights available between St. Louis and Salt Lake City is 34 per week as of June 2025. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.
When to book flights from St. Louis to Salt Lake City
Cheap St. Louis to Salt Lake City (STL to SLC) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Salt Lake City
Best Price Found | $100 |
|---|---|
Fastest flight time | 3h 06m |
Direct flights | Every day |
Airports in Salt Lake City | 1 airport |
How far is Lambert-St Louis to Salt Lake City by plane?
The distance between Lambert-St Louis and Salt Lake City is about 1158.3 mi. A reasonable flight in good conditions will take 3h 06m.
When did momondo last update prices for flights from Lambert-St Louis Airport to Salt Lake City Airport?
Prices for flights from Lambert-St Louis Airport to Salt Lake City Airport are updated daily.
How many operators does momondo search for flights from Lambert-St Louis Airport to Salt Lake City Airport?
The number of operators available for flights from Lambert-St Louis Airport to Salt Lake City Airport is 5 as of June 2025.
How old do you have to be to fly from Lambert-St Louis Airport to Salt Lake City Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Salt Lake City Airport.
What documentation or ID do you need to fly to Salt Lake City Airport?
The travel and health documents you'll need for your trip to Salt Lake City Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Salt Lake City Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from St. Louis to Salt Lake City?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from St. Louis to Salt Lake City is Airbus A319 (14.49% of total bookings). The next most popular plane models are Airbus A220-300 (13.61%), Boeing 737 (13.50%), and Boeing 737 MAX 9 (11.75%).
What is the most popular airline from St. Louis to Salt Lake City?
Based on momondo bookings for this flight route, the most popular airline on flight routes from St. Louis to Salt Lake City is Delta (65% of total bookings). The next most popular airlines are Frontier (21%), Southwest (7%), and American Airlines (4%).
Best airlines flying from St. Louis to Salt Lake City
Compare and see reviews for airlines that fly from St. Louis to Salt Lake City with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $109 | Free Cancellation | Rating 5.9 3,296 reviews | |||
| PriceFrom $256 | Free Cancellation | Rating 7.4 8,801 reviews | |||
| PriceFrom $284 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $350 | Free Cancellation | Rating 8.0 4,278 reviews | |||
| PriceFrom $359 | Free Cancellation | Rating 8.0 7,963 reviews |
Southwest Flights From St. Louis to Salt Lake City
Across 6 Southwest flights from St. Louis to Salt Lake City this week, the average price was $436, with the best Southwest deals starting from $350 round-trip. 4,278 users have rated Southwest on momondo, with an average score of 8.0/10.
Delta Flights From St. Louis to Salt Lake City
Delta (8.0/10 from 7,963 reviews) operates around 20 flights from St. Louis to Salt Lake City in any given week. The average Delta airfare for this route is around $470, with deals from around $359 rare but found on momondo. Referenced prices are for round-trip St. Louis to Salt Lake City flight searches in the last 72 hours.
Traveling to a place near Salt Lake City?
Book flights to Salt Lake City if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from St. Louis to Salt Lake City?
Finding the right flight to Salt Lake City from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Salt Lake City quick and easy, saving you time and money.
Can I find flights from St. Louis to Salt Lake City with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for St. Louis to Salt Lake City flights to just show those with flexible booking policies.
How can momondo help me find flights from St. Louis to Salt Lake City?
Once you have performed a search for St. Louis to Salt Lake City flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from St. Louis to Salt Lake City right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Salt Lake City from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.