Cheap flights from Madison to St. Louis from $145

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Madison to St. Louis departing on 9/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Madison to St. Louis (MSN-STL)

Cheap round-trip flights

Delta Logo
6:00 am - 11:30 amMSN-STL
5h 30m1 stop
Delta Logo
6:00 am - 11:25 amSTL-MSN
5h 25m1 stop
$229Delta
Find Deal
Sun, Oct 5 - Sun, Oct 12
Delta Logo
6:05 am - 10:37 amMSN-STL
4h 32m1 stop
Delta Logo
5:27 pm - 10:14 pmSTL-MSN
4h 47m1 stop
$239Delta
Find Deal
Tue, Sep 9 - Sat, Sep 13
American Airlines Logo
5:08 pm - 11:07 pmMSN-STL
5h 59m1 stop
American Airlines Logo
6:05 am - 9:59 amSTL-MSN
3h 54m1 stop
$274American Airlines
Find Deal
Fri, Sep 19 - Sun, Sep 21
United Airlines Logo
6:30 am - 10:49 amMSN-STL
4h 19m1 stop
United Airlines Logo
3:23 pm - 6:55 pmSTL-MSN
3h 32m1 stop
$289United Airlines
Find Deal
Sat, Oct 11 - Tue, Oct 14
United Airlines Logo
6:30 am - 12:25 pmMSN-STL
5h 55m1 stop
United Airlines Logo
6:35 am - 11:44 amSTL-MSN
5h 09m1 stop
$299United Airlines
Find Deal
Tue, Sep 9 - Sat, Sep 13
American Airlines Logo
8:18 pm - 11:48 pmMSN-STL
3h 30m1 stop
American Airlines Logo
5:18 am - 10:31 amSTL-MSN
5h 13m1 stop
$304American Airlines
Find Deal
Mon, Sep 15 - Wed, Sep 17
American Airlines Logo
12:50 pm - 6:32 pmMSN-STL
5h 42m1 stop
American Airlines Logo
5:18 am - 10:31 amSTL-MSN
5h 13m1 stop
$311American Airlines
Find Deal
Wed, Sep 17 - Fri, Sep 19
Delta Logo
6:37 pm - 11:24 pmMSN-STL
4h 47m1 stop
Delta Logo
6:00 am - 11:41 amSTL-MSN
5h 41m1 stop
$493Delta
Find Deal
Mon, Sep 8 - Thu, Sep 11
United Airlines Logo
8:15 am - 2:19 pmMSN-STL
6h 04m1 stop
United Airlines Logo
8:15 am - 10:23 pmSTL-MSN
14h 08m2 stops
$607United Airlines
Find Deal
Mon, Sep 15 - Wed, Sep 17
United Airlines Logo
12:19 pm - 10:08 pmMSN-STL
9h 49m2 stops
United Airlines Logo
7:04 pm - 10:23 pmSTL-MSN
3h 19m1 stop
$1,060United Airlines
Find Deal
Thu, Sep 11 - Mon, Sep 15

Delta flights from Madison to St. Louis

Our best Delta deals on Madison to St. Louis flight tickets
Delta
Oct 5
MSN6:00 amMadison Truax Field
5h 30m
1 stop
STL11:30 amLambert-St Louis
Oct 12
STL6:00 amLambert-St Louis
5h 25m
1 stop
MSN11:25 amMadison Truax Field
Delta
Sep 9
MSN6:05 amMadison Truax Field
4h 32m
1 stop
STL10:37 amLambert-St Louis
Sep 13
STL5:27 pmLambert-St Louis
4h 47m
1 stop
MSN10:14 pmMadison Truax Field
Delta
Aug 29
MSN6:37 pmMadison Truax Field
4h 47m
1 stop
STL11:24 pmLambert-St Louis
Sep 1
STL6:00 amLambert-St Louis
4h 07m
1 stop
MSN10:07 amMadison Truax Field

American Airlines flights from Madison to St. Louis

Our best American Airlines deals on Madison to St. Louis flight tickets
American Airlines
Sep 19
MSN5:08 pmMadison Truax Field
5h 59m
1 stop
STL11:07 pmLambert-St Louis
Sep 21
STL6:05 amLambert-St Louis
3h 54m
1 stop
MSN9:59 amMadison Truax Field
American Airlines
Aug 29
MSN8:14 pmMadison Truax Field
3h 37m
1 stop
STL11:51 pmLambert-St Louis
Sep 1
STL5:15 amLambert-St Louis
5h 21m
1 stop
MSN10:36 amMadison Truax Field
American Airlines
Sep 15
MSN8:18 pmMadison Truax Field
3h 30m
1 stop
STL11:48 pmLambert-St Louis
Sep 17
STL5:18 amLambert-St Louis
5h 13m
1 stop
MSN10:31 amMadison Truax Field

momondo Fare Finder

 
Customize your flight search to find flights from Madison to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 27, 2025.
Use the filters below to find and compare flights from Madison to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MadisonSt. Louis

MSN - STL

MSNSTL

Madison Truax Field

Sun 10/5

6:00 am-11:30 am

1 stop5h 30m

Lambert-St Louis

Sun 10/12

6:00 am-11:25 am

1 stop5h 25m

$229

MadisonSt. Louis

MSN - STL

MSNSTL

Madison Truax Field

Tue 9/9

6:05 am-10:37 am

1 stop4h 32m

Lambert-St Louis

Sat 9/13

5:27 pm-10:14 pm

1 stop4h 47m

$239

MadisonSt. Louis

MSN - STL

MSNSTL

Madison Truax Field

Fri 9/19

5:08 pm-11:07 pm

1 stop5h 59m

Lambert-St Louis

Sun 9/21

6:05 am-9:59 am

1 stop3h 54m

$274

MadisonSt. Louis

MSN - STL

MSNSTL

Madison Truax Field

Sat 10/11

6:30 am-10:49 am

1 stop4h 19m

Lambert-St Louis

Tue 10/14

3:23 pm-6:55 pm

1 stop3h 32m

$289

MadisonSt. Louis

MSN - STL

MSNSTL

Madison Truax Field

Tue 9/9

6:30 am-12:25 pm

1 stop5h 55m

Lambert-St Louis

Sat 9/13

6:35 am-11:44 am

1 stop5h 09m

$299

MadisonSt. Louis

MSN - STL

MSNSTL

Madison Truax Field

Mon 9/15

8:18 pm-11:48 pm

1 stop3h 30m

Lambert-St Louis

Wed 9/17

5:18 am-10:31 am

1 stop5h 13m

$304

MadisonSt. Louis

MSN - STL

MSNSTL

Madison Truax Field

Wed 9/17

12:50 pm-6:32 pm

1 stop5h 42m

Lambert-St Louis

Fri 9/19

5:18 am-10:31 am

1 stop5h 13m

$311

MadisonSt. Louis

MSN - STL

MSNSTL

Madison Truax Field

Mon 9/8

6:37 pm-11:24 pm

1 stop4h 47m

Lambert-St Louis

Thu 9/11

6:00 am-11:41 am

1 stop5h 41m

$493

MadisonSt. Louis

MSN - STL

MSNSTL

Madison Truax Field

Mon 9/15

8:15 am-2:19 pm

1 stop6h 04m

Lambert-St Louis

Wed 9/17

8:15 am-10:23 pm

2 stops14h 08m

$607

MadisonSt. Louis

MSN - STL

MSNSTL

Madison Truax Field

Thu 9/11

12:19 pm-10:08 pm

2 stops9h 49m

Lambert-St Louis

Mon 9/15

7:04 pm-10:23 pm

1 stop3h 19m

$1,060

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

See travel insights to St. Louis from

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

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

In general, January 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 $262. The month of October is another great option to travel to St. Louis, with average flight prices from Madison averaging around $307.

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

Direct flights

None
There are no direct flights from Madison to St. Louis. There are no popular flight routes from Madison to St. Louis.
  • 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 12m 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?

  • 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?

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
DeltaPriceFrom $208Free CancellationRating
7.9
7,977 reviews
Search Delta flights
American AirlinesPriceFrom $228Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $248Free CancellationRating
7.4
8,945 reviews
Search United Airlines flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Maryland Heights
Florissant
O'Fallon
Fenton
Collinsville
Wentzville
Alton
St. Peters
Farmington
Festus
Glencoe
Clayton
Edwardsville
Eureka
Litchfield
Shrewsbury

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.

An easier way to manage your St. Louis trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 9/1
Mon 9/8

Find better results for your trip to the United States