How much does a business class flight to St. Louis cost?

Generally, business class flights to St. Louis start at $501, depending on departure dates and origin. The cheapest business class ticket for a flight to St. Louis found most recently is $252, which departed from United States on Jul 11. Search for deals

Which cabin class is available for Southwest flights to St. Louis?

Southwest, the most popular airline for flights to St. Louis, has a cabin alternative to Economy seats: business class. For flyers that want more travel options, try looking at another airline or departing origin. See all airlines

Which airlines have business class flights to St. Louis?

Choose American Airlines, Alaska Airlines, Frontier, United Airlines if you are planning to fly business class to St. Louis. Depending on the airline, some additional premium perks may be available to travelers. Search flights by airlines

Business Class Flights to St. Louis | $252

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Cheap Business Class Flight Deals to St. Louis

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Recent business class round-trip flight deals to St. Louis

Enter your travel dates to find the best prices.

4:12 pm - 7:15 pm

DEN

STL

2h 03mnonstop

8:10 pm - 9:49 pm

STL

DEN

2h 39mnonstop

$504Frontier

Sat, Oct 17 - Tue, Oct 20

4:12 pm - 7:15 pm

DEN

STL

2h 03mnonstop

10:35 am - 10:33 pm

STL

DEN

12h 58m

1 stop

$513Frontier

Sat, Oct 17 - Tue, Oct 20

6:45 am - 5:22 pm

BWI

STL

11h 37m

1 stop

5:02 pm - 12:23 am

STL

BWI

6h 21m

1 stop

$525Frontier

Fri, Aug 28 - Sun, Aug 30

9:38 pm - 11:59 pm

BWI

STL

27h 21m

1 stop

4:57 pm - 11:17 pm

STL

BWI

5h 20m

1 stop

$639Frontier

Sat, Jul 25 - Mon, Jul 27

7:00 am - 7:23 pm

DCA

STL

13h 23m

1 stop

8:08 pm - 4:59 pm

STL

DCA

19h 51m

1 stop

$687Frontier

Sat, Jul 25 - Mon, Jul 27

12:19 pm - 11:42 pm

SEA

STL

9h 23m

1 stop

4:40 pm - 7:10 pm

STL

SEA

4h 30mnonstop

$967Alaska Airlines

Sat, Oct 10 - Thu, Oct 15

12:19 pm - 11:42 pm

SEA

STL

9h 23m

1 stop

1:06 pm - 8:28 pm

STL

SEA

9h 22m

1 stop

$1,082Alaska Airlines

Sat, Oct 10 - Thu, Oct 15

Business Class Flights to St. Louis - Travel Insights & Trends

Get data-powered insights and trends for Business Class flights to St. Louis to help you craft the best travel plan

What cabin class options are available on United States to St. Louis flights?

There are 4 cabin classes available to choose from on United States to St. Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on United States to St. Louis flights?

You could potentially save up to 5% on your flight if you consider stops on a United States to St. Louis flight.

What is the cheapest airline that flies Business Class from United States to St. Louis?

Frontier, American Airlines, and Alaska Airlines are popular carriers operating the cheapest Business Class flights from United States to St. Louis

What is the cheapest month to fly Business Class to St. Louis?

The month of December is, on average, the cheapest month to fly Business Class to St. Louis, with most prices found around $328. If you aren’t able to travel during the month of December, then book flights to St. Louis during January instead. Flights to St. Louis in January, while not as cheap as those in December, still average around $441.

What is the cheapest day to depart on your Business Class flight to St. Louis?

The cheapest day to depart from United States to St. Louis is on a Saturday when prices can be found for as low as $940. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average Business Class ticket price to St. Louis on a Friday is $1,360.

How long does it take to fly to St. Louis?

Flight times from United States to St. Louis vary, but if you’re flying out of Boston and flying into St. Louis (one of the most popular routes), then the duration is 2h 50m on average. Another popular route from United States to St. Louis is flying from Miami to St. Louis, which will take roughly 2h 50m. Keep in mind that layovers or delays could extend your travel time.

How many flights depart from United States to St. Louis on average per day?

92 flights are operational daily from United States to St. Louis as of July 2026. The most popular departure time for this route is 6:00PM, with 44% of flights per day taking off in the evening.

How many flights depart from United States to St. Louis on average per week?

646 flights are operational weekly from United States to St. Louis as of July 2026. The most popular departure day for this route is Fri, with 17% of flights per week taking off on this day.

What is the cheapest Business Class flight I can find to St. Louis?

On average, round trip Business Class flights to St. Louis cost $699/pp. Prices depend on where you are departing from. For prices as low as $699/pp, depart from Philadelphia. The most expensive round trip Business Class flights to St. Louis are from Philadelphia.

See prices from:

What airlines fly Business Class to St. Louis?

United Airlines is the most popular airline offering Business Class flights to St. Louis, with 53% of our users opting to fly with them when traveling to St. Louis. Other popular options include American Airlines and Delta. There are a total of 3 different airlines flying to St. Louis.

Popular Airlines for Business Class Flights to St. Louis

Book reliable Business Class tickets to St. Louis from top-rated airlines

Airline	Rating	Business Class	Price
Delta	PriceFrom $252	First Class	Rating 7.8 See reviews	8.1 Boarding 7.8 Comfort 8.5 Crew 7.8 Entertainment 7.2 Food Reviews 1 / 10 My flight was delayed and caused me to miss my connection. Delta needs more direct flights.	Search Delta flights
United Airlines	PriceFrom $258	First Class	Rating 7.4 See reviews	7.7 Boarding 7.3 Comfort 8.1 Crew 7.1 Entertainment 6.7 Food Reviews 1 / 10 Please bring back hot meals on long flights. Or at least something besides crackers and other starchy stuff. Maybe fresh fruit. I would be willing to pay higher fares for this. Also, whatever happened to wide body jets on transcon or Hawaii flights. A five hour flight on a single aisle plane is not comfortable.	Search United Airlines flights

How much does a business class flight to St. Louis cost?
Generally, business class flights to St. Louis start at $501, depending on departure dates and origin. The cheapest business class ticket for a flight to St. Louis found most recently is $252, which departed from United States on Jul 11.
Which airlines have business class flights to St. Louis?
Choose American Airlines, Alaska Airlines, Frontier, United Airlines if you are planning to fly business class to St. Louis. Depending on the airline, some additional premium perks may be available to travelers.
Which cabin class is available for Southwest flights to St. Louis?
Southwest, the most popular airline for flights to St. Louis, has a cabin alternative to Economy seats: business class. For flyers that want more travel options, try looking at another airline or departing origin.

About Business Class Flights to St. Louis

Helpful overview information on St. Louis Business Class ticket prices, flight duration, and airlines

Fastest flight time	1h 28m
Closest Airport	Kansas City
Most Popular Airline	Delta

The quickest Business Class flight you can catch to St. Louis takes 1h 28m, which departs from Chicago O'Hare Intl to Lambert-St Louis.

The nearest airport for all arrivals to St. Louis is Kansas City. Business Class flyers can expect to travel 236.1 mi to get to downtown.

The most popular airline for Business Class flights to St. Louis found on momondo this week is Delta, with a user rating of 7.8/10. There are 2 airlines in total servicing this route with Business Class options.

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Frequently asked questions about St. Louis Business Class flights

Is it worth flying Business Class to St. Louis?

Many flyers choose booking Business Class tickets to St. Louis because of the many premium services/perks they may come with, such as extra legroom, lounge access, in-flight dining, entertainment, and more. Different airlines will have their own unique offerings for this premium cabin, so you may have to check with airlines’ websites just to be sure. In the meantime, momondo can help you find cheap deals for Business Class flights available on the web.

How long does it take to fly to St. Louis?

While the flight duration may vary for Business Class travelers depending on the departure and arrival airports, here are some average flight times from popular locations you might be interested in:

New York LaGuardia Airport to St. Louis: 2 hours 35 minutes
Atlanta to St. Louis: 1 hour 53 minutes
Boston to St. Louis: 2 hours 54 minutes
Denver to St. Louis: 2 hours 24 minutes
Washington, D.C. Reagan-National Airport to St. Louis: 2 hours 21 minutes
Minneapolis to St. Louis: 1 hour 33 minutes
Raleigh to St. Louis: 1 hour 57 minutes
Las Vegas to St. Louis: 3 hours 29 minutes
San Francisco to St. Louis: 4 hours 11 minutes

Why should I use momondo to find a Business Class flight deal to St. Louis?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on Business Class flights to St. Louis. Millions of users trust and use momondo every year so you are in good company.

Can I find Business Class flights to St. Louis with flexible booking policies on momondo?

Business Class flights to St. Louis with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find deals for Business Class flight tickets to St. Louis?

Once you have performed a search for Business Class flight tickets to St. Louis, momondo helps you find the right flight 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 Business Class flight to St. Louis right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of St. Louis Business Class flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

When did momondo last update prices for flights from United States to Lambert-St Louis Airport?

Prices for flights from United States to Lambert-St Louis Airport are refreshed on a daily basis.

How many operators does momondo search for flights from United States to Lambert-St Louis Airport?

As of July 2026, there are 8 operators available to choose from for flights from United States to Lambert-St Louis Airport.

How old do you have to be to fly from United States to Lambert-St Louis Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from United States to Lambert-St Louis Airport.

What documentation or ID do you need to fly to Lambert-St Louis Airport?

The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.