Cheap flights from Utah to St. Louis 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 Utah to St. Louis departing on 5/20. 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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How to get the cheapest flight ticket from Utah to St. Louis
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 St. Louis?
In general, August is the cheapest month to fly from Utah to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $324. The month of February is another great option to travel to St. Louis, with average flight prices from Utah averaging around $359.
What is the cheapest day to depart on your flight to St. Louis?
The cheapest day to depart on your flight to St. Louis is on a Wednesday when prices can be found for as low as $459. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $567. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.
What is the cheapest time of day to depart on your flight to St. Louis?
Flying to St. Louis from Utah at noon is the least expensive time of day to depart. momondo users have found prices as low as $466 when looking at flights departing at noon. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $490 per ticket.
What is the cheapest Utah to Lambert-St Louis flight route?
Fly from Salt Lake City to Lambert-St Louis for the best Utah - Lambert-St Louis flight prices
How far in advance should I book a flight to St. Louis?
You are more likely to see cheaper flights to St. Louis from Utah when booking 11 weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $401 when searching 11 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Utah for as low as $260 on momondo.
What cabin class options are available on Utah to Lambert-St Louis flights?
There are 4 cabin classes available to choose from on Utah to Lambert-St Louis 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 Utah to Lambert-St Louis?
Frontier, Spirit Airlines, and Alaska Airlines are the most popular carriers operating from Utah to Lambert-St Louis
What airlines fly to St. Louis?
Delta, Frontier and Southwest are the top three most popular airlines that fly to St. Louis from Utah according to our data. Delta is the first choice among our users, with 56% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 5 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.
How many flights depart from Utah to St. Louis on average per day?
As of May 2025, there are 3 flights per day flying from Utah to St. Louis. The most common time of day flights depart is 2:00PM, with 53% of flights taking off in the afternoon.
How many flights depart from Utah to St. Louis on average per week?
23 flights are operational weekly from Utah to St. Louis as of May 2025. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.
Cheap Utah to St. Louis flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Utah to St. Louis
When did momondo last update prices for flights from Utah to Lambert-St Louis Airport?
Prices for flights from Utah to Lambert-St Louis Airport are updated daily.
How many operators does momondo search for flights from Utah to Lambert-St Louis Airport?
The number of operators available for flights from Utah to Lambert-St Louis Airport is 5 as of May 2025.
How old do you have to be to fly from Utah to Lambert-St Louis Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Utah to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents you'll need for your trip to Lambert-St Louis 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 Lambert-St Louis 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 Utah to St. Louis?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Utah to St. Louis is Airbus A220-300 (46.10% of total bookings). The next most popular plane models are Airbus A319 (23.40%), Boeing 737-800 (18.09%), and Airbus A320-100/200 (9.22%).
Best airlines flying from Utah to St. Louis
Compare and see reviews for airlines that fly from Utah to St. Louis with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $108 | Free Cancellation | Rating 5.9 3,287 reviews | |||
| PriceFrom $228 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $258 | Free Cancellation | Rating 8.0 7,934 reviews | |||
| PriceFrom $298 | Free Cancellation | Rating 7.4 8,696 reviews | |||
| PriceFrom $350 | Free Cancellation | Rating 8.0 4,294 reviews |
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Utah to St. Louis?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to St. Louis from Utah.
Can I find flights from Utah to St. Louis with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to St. Louis from Utah with this policy.
How can momondo help me find flights from Utah to St. Louis?
momondo provides multiple filters to help you find the best flight to St. Louis from Utah. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Utah to St. Louis right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Utah to St. Louis now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to St. Louis and let you know when they change.