What airlines fly to St. Louis?

American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to St. Louis from Madison according to our data. American Airlines is the first choice among our users, with 34% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 4 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Madison Truax Field to Lambert-St Louis?

Delta, Frontier, and United Airlines are the most popular carriers operating from Madison Truax Field to Lambert-St Louis

When did momondo last update prices for flights from Madison Truax Field Airport to Lambert-St Louis Airport?

Prices for flights from Madison Truax Field Airport to Lambert-St Louis Airport were last updated today.

How many operators does momondo search for flights from Madison Truax Field Airport to Lambert-St Louis Airport?

As of July 2025, there are 3 operators available to choose from for flights from Madison Truax Field Airport to Lambert-St Louis Airport.

How old do you have to be to fly from Madison Truax Field Airport to Lambert-St Louis Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Madison Truax Field Airport to Lambert-St Louis Airport.

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

The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$126 Cheap Flights from Madison to St. Louis in 2025

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Find the cheapest flights from Madison to St. Louis

Round-trip

One-way

Last minute

Cheap round-trip flights

6:05 am - 10:37 amMSN-STL

4h 32m1 stop

6:00 am - 10:19 amSTL-MSN

4h 19m1 stop

$199Delta

Find Deal

Sat, Aug 30 - Sun, Aug 31

5:00 am - 9:26 amMSN-STL

4h 26m1 stop

7:54 pm - 11:51 pmSTL-MSN

3h 57m1 stop

$229American Airlines

Find Deal

Sun, Oct 5 - Sun, Oct 12

6:30 am - 10:27 amMSN-STL

3h 57m1 stop

5:18 pm - 8:35 pmSTL-MSN

3h 17m1 stop

$234United Airlines

Find Deal

Fri, Oct 31 - Sun, Nov 2

11:26 am - 6:33 pmMSN-STL

7h 07m1 stop

5:30 am - 10:30 amSTL-MSN

5h 00m1 stop

$239American Airlines

Find Deal

Wed, Jul 23 - Sun, Jul 27

6:30 am - 12:13 pmMSN-STL

5h 43m1 stop

5:18 pm - 8:35 pmSTL-MSN

3h 17m1 stop

$249United Airlines

Find Deal

Thu, Oct 30 - Sun, Nov 2

1:37 pm - 8:19 pmMSN-STL

6h 42m1 stop

8:01 pm - 3:24 pmSTL-MSN

19h 23m1 stop

$259American Airlines

Find Deal

Tue, Aug 5 - Tue, Aug 12

6:05 am - 10:37 amMSN-STL

4h 32m1 stop

6:00 am - 4:57 pmSTL-MSN

10h 57m2 stops

$308Delta

Find Deal

Sat, Aug 30 - Sun, Aug 31

9:35 am - 11:07 pmMSN-STL

13h 32m2 stops

6:10 am - 5:54 pmSTL-MSN

11h 44m1 stop

$346American Airlines

Find Deal

Sat, Sep 6 - Sat, Sep 13

5:30 am - 7:18 pmMSN-STL

13h 48m2 stops

6:00 am - 12:51 pmSTL-MSN

6h 51m1 stop

$367American Airlines

Find Deal

Sat, Aug 30 - Sun, Aug 31

12:20 pm - 3:47 pmMSN-STL

3h 27m1 stop

5:30 pm - 8:56 pmSTL-MSN

3h 26m1 stop

$379United Airlines

Find Deal

Thu, Jul 24 - Mon, Jul 28

American Airlines flights from Madison to St. Louis

Our best American Airlines deals on Madison to St. Louis flight tickets

American Airlines

Oct 5

MSN5:00 amMadison Truax Field

4h 26m

1 stop

STL9:26 amLambert-St Louis

Oct 12

STL7:54 pmLambert-St Louis

3h 57m

1 stop

MSN11:51 pmMadison Truax Field

$229

Find similar

American Airlines

Jul 23

MSN11:26 amMadison Truax Field

7h 07m

1 stop

STL6:33 pmLambert-St Louis

Jul 27

STL5:30 amLambert-St Louis

5h 00m

1 stop

MSN10:30 amMadison Truax Field

$239

Find similar

American Airlines

Aug 5

MSN1:37 pmMadison Truax Field

6h 42m

1 stop

STL8:19 pmLambert-St Louis

Aug 12

STL8:01 pmLambert-St Louis

19h 23m

1 stop

MSN3:24 pmMadison Truax Field

$259

Find similar

United Airlines flights from Madison to St. Louis

Our best United Airlines deals on Madison to St. Louis flight tickets

United Airlines

Oct 31

MSN6:30 amMadison Truax Field

3h 57m

1 stop

STL10:27 amLambert-St Louis

Nov 2

STL5:18 pmLambert-St Louis

3h 17m

1 stop

MSN8:35 pmMadison Truax Field

$234

Find similar

United Airlines

Oct 30

MSN6:30 amMadison Truax Field

5h 43m

1 stop

STL12:13 pmLambert-St Louis

Nov 2

STL5:18 pmLambert-St Louis

3h 17m

1 stop

MSN8:35 pmMadison Truax Field

$249

Find similar

United Airlines

Jul 24

MSN12:20 pmMadison Truax Field

3h 27m

1 stop

STL3:47 pmLambert-St Louis

Jul 28

STL5:30 pmLambert-St Louis

3h 26m

1 stop

MSN8:56 pmMadison Truax Field

$379

Find similar

How to get the cheapest flight ticket from Madison 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

Prices

Airlines

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

In general, August is the cheapest month to fly from Madison to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $228. The month of January is another great option to travel to St. Louis, with average flight prices from Madison averaging around $262.

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 Saturday when prices can be found for as low as $274. 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 Sunday because tickets tend to average around $395. 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 Madison in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $298 when looking at flights departing in the afternoon. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $384 per ticket.

How have Madison to St. Louis flight prices changed over time?

When to book flights from Madison to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Madison to St. Louis according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Madison to St. Louis (MSN to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Madison to St. Louis

Best Price Found	$126
Fastest flight time	3h 27m
Direct flights	None
Airports in St. Louis	1 airport

The best one-way flight to St. Louis from Madison in the past 72 hours is $126. The best round-trip flight deal from Madison to St. Louis found on momondo in the last 72 hours is $199.

The fastest flight from Madison to St. Louis takes 3h 27m

There are no direct flights from Madison to St. Louis. Popular non-direct route for this connection is Madison Truax Field Airport - Lambert-St Louis Airport.

There is 1 airport near St. Louis: Lambert-St Louis (STL)

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How far is Madison Truax Field to Lambert-St Louis by plane?
The straight-line distance from Madison Truax Field to Lambert-St Louis is 309.8 mi. Typically, this will take 3h 27m by plane in normal conditions.
When did momondo last update prices for flights from Madison Truax Field Airport to Lambert-St Louis Airport?
Prices for flights from Madison Truax Field Airport to Lambert-St Louis Airport were last updated today.
How many operators does momondo search for flights from Madison Truax Field Airport to Lambert-St Louis Airport?
As of July 2025, there are 3 operators available to choose from for flights from Madison Truax Field Airport to Lambert-St Louis Airport.
How old do you have to be to fly from Madison Truax Field Airport to Lambert-St Louis Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Madison Truax Field Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Madison to St. Louis?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Madison to St. Louis is American Airlines (44% of total bookings). The next most popular airlines are United Airlines (37%) and Delta (19%).

Best airlines flying from Madison to St. Louis

Compare and see reviews for airlines that fly from Madison to St. Louis with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $208	Free Cancellation	Rating 8.0 7,952 reviews	Search Delta flights
United Airlines	PriceFrom $228	Free Cancellation	Rating 7.4 8,846 reviews	Search United Airlines flights
American Airlines	PriceFrom $238	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights

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Why use momondo?

Why should I use momondo to find a flight deal from Madison 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 Madison.

Can I find flights from Madison to St. Louis with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to St. Louis from Madison with this policy.

How can momondo help me find flights from Madison to St. Louis?

momondo provides multiple filters to help you find the best flight to St. Louis from Madison. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Madison to St. Louis right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Madison 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.