What airlines fly to St. Louis?

Delta, Southwest and American Airlines are the top three most popular airlines that fly to St. Louis from Flint, Michigan according to our data. Delta is the first choice among our users, with 57% 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.

What is the cheapest airline that flies from Flint Bishop to Lambert-St Louis?

United Airlines is the most popular carrier operating from Flint Bishop to Lambert-St Louis

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

Prices for flights from Flint Bishop Airport to Lambert-St Louis Airport refresh daily.

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

As of September 2025, there are 2 operators available to choose from for flights from Flint Bishop Airport to Lambert-St Louis Airport.

How old do you have to be to fly from Flint Bishop Airport to Lambert-St Louis 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 Flint Bishop Airport 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.

$229 Cheap Flights from Flint to St. Louis in 2025/26

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Find the cheapest flights from Flint, Michigan to St. Louis

Round-trip

One-way

Last minute

Cheap round-trip flights

10:50 am - 2:50 pmFNT-STL

5h 00m1 stop

1:59 pm - 7:21 pmSTL-FNT

4h 22m1 stop

$229American Airlines

Find Deal

Fri, Dec 5 - Mon, Dec 8

6:00 am - 6:25 pmFNT-STL

13h 25m2 stops

1:43 pm - 6:45 pmSTL-FNT

4h 02m1 stop

$234American Airlines

Find Deal

Wed, Nov 5 - Wed, Nov 12

6:00 am - 1:14 pmFNT-STL

8h 14m2 stops

7:00 am - 6:45 pmSTL-FNT

10h 45m2 stops

$239American Airlines

Find Deal

Wed, Nov 5 - Wed, Nov 12

10:53 am - 1:43 pmFNT-STL

3h 50m1 stop

4:46 pm - 11:34 pmSTL-FNT

5h 48m1 stop

$259American Airlines

Find Deal

Fri, Nov 21 - Sun, Nov 23

5:30 am - 1:17 pmFNT-STL

8h 47m2 stops

6:00 am - 10:18 amSTL-FNT

3h 18m1 stop

$264American Airlines

Find Deal

Fri, Nov 21 - Sun, Nov 23

8:08 pm - 8:09 amFNT-STL

13h 01m1 stop

2:15 pm - 11:09 pmSTL-FNT

7h 54m1 stop

$265American Airlines

Find Deal

Fri, Oct 10 - Mon, Oct 13

4:43 pm - 9:37 pmFNT-STL

5h 54m1 stop

5:28 pm - 10:29 pmSTL-FNT

4h 01m1 stop

$269United Airlines

Find Deal

Sat, Sep 27 - Sun, Sep 28

2:33 pm - 11:07 pmFNT-STL

9h 34m2 stops

7:23 am - 2:03 pmSTL-FNT

5h 40m1 stop

$274American Airlines

Find Deal

Sat, Sep 27 - Sun, Sep 28

7:00 am - 10:49 amFNT-STL

4h 49m1 stop

8:00 am - 1:26 pmSTL-FNT

4h 26m1 stop

$289United Airlines

Find Deal

Wed, Oct 15 - Sat, Oct 18

10:50 am - 4:19 pmFNT-STL

6h 29m1 stop

4:49 pm - 11:32 pmSTL-FNT

5h 43m1 stop

$294American Airlines

Find Deal

Thu, Dec 4 - Sun, Dec 7

American Airlines flights from Flint, Michigan to St. Louis

Our best American Airlines deals on Flint, Michigan to St. Louis flight tickets

American Airlines

Dec 5

FNT10:50 amFlint Bishop

5h 00m

1 stop

STL2:50 pmLambert-St Louis

Dec 8

STL1:59 pmLambert-St Louis

4h 22m

1 stop

FNT7:21 pmFlint Bishop

$229

Find similar

American Airlines

Nov 5

FNT6:00 amFlint Bishop

13h 25m

2 stops

STL6:25 pmLambert-St Louis

Nov 12

STL1:43 pmLambert-St Louis

4h 02m

1 stop

FNT6:45 pmFlint Bishop

$234

Find similar

American Airlines

Nov 5

FNT6:00 amFlint Bishop

8h 14m

2 stops

STL1:14 pmLambert-St Louis

Nov 12

STL7:00 amLambert-St Louis

10h 45m

2 stops

FNT6:45 pmFlint Bishop

$239

Find similar

United Airlines flights from Flint, Michigan to St. Louis

Our best United Airlines deals on Flint, Michigan to St. Louis flight tickets

United Airlines

Sep 27

FNT4:43 pmFlint Bishop

5h 54m

1 stop

STL9:37 pmLambert-St Louis

Sep 28

STL5:28 pmLambert-St Louis

4h 01m

1 stop

FNT10:29 pmFlint Bishop

$269

Find similar

United Airlines

Oct 15

FNT7:00 amFlint Bishop

4h 49m

1 stop

STL10:49 amLambert-St Louis

Oct 18

STL8:00 amLambert-St Louis

4h 26m

1 stop

FNT1:26 pmFlint Bishop

$289

Find similar

United Airlines

Sep 30

FNT7:00 amFlint Bishop

4h 49m

1 stop

STL10:49 amLambert-St Louis

Oct 4

STL9:20 amLambert-St Louis

5h 48m

1 stop

FNT4:08 pmFlint Bishop

$299

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Flint, Michigan to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

Fri 12/5

10:50 am-2:50 pm

1 stop5h 00m

Lambert-St Louis

Mon 12/8

1:59 pm-7:21 pm

1 stop4h 22m

$229

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

Wed 11/5

6:00 am-6:25 pm

2 stops13h 25m

Lambert-St Louis

Wed 11/12

1:43 pm-6:45 pm

1 stop4h 02m

$234

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

Wed 11/5

6:00 am-1:14 pm

2 stops8h 14m

Lambert-St Louis

Wed 11/12

7:00 am-6:45 pm

2 stops10h 45m

$239

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

Fri 11/21

10:53 am-1:43 pm

1 stop3h 50m

Lambert-St Louis

Sun 11/23

4:46 pm-11:34 pm

1 stop5h 48m

$259

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

Fri 11/21

5:30 am-1:17 pm

2 stops8h 47m

Lambert-St Louis

Sun 11/23

6:00 am-10:18 am

1 stop3h 18m

$264

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

Fri 10/10

8:08 pm-8:09 am

1 stop13h 01m

Lambert-St Louis

Mon 10/13

2:15 pm-11:09 pm

1 stop7h 54m

$265

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

Sat 9/27

4:43 pm-9:37 pm

1 stop5h 54m

Lambert-St Louis

Sun 9/28

5:28 pm-10:29 pm

1 stop4h 01m

$269

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

Sat 9/27

2:33 pm-11:07 pm

2 stops9h 34m

Lambert-St Louis

Sun 9/28

7:23 am-2:03 pm

1 stop5h 40m

$274

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

Wed 10/15

7:00 am-10:49 am

1 stop4h 49m

Lambert-St Louis

Sat 10/18

8:00 am-1:26 pm

1 stop4h 26m

$289

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

Thu 12/4

10:50 am-4:19 pm

1 stop6h 29m

Lambert-St Louis

Sun 12/7

4:49 pm-11:32 pm

1 stop5h 43m

$294

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

How to get the cheapest flight ticket from Flint, Michigan 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 Flint, Michigan to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $246. The month of November is another great option to travel to St. Louis, with average flight prices from Flint, Michigan averaging around $277.

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 $318. 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 $550. 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 Flint, Michigan in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $348 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 $455 per ticket.

When to book flights from Flint, Michigan to St. Louis

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

Estimated round-trip price

Cheap Flint, Michigan to St. Louis (FNT to STL) flight deals and tips

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

Direct flights	None

There are no direct flights from Flint, Michigan to St. Louis. There are no popular flight routes from Flint, Michigan to St. Louis.

Search flight deals

How far is Flint Bishop to Lambert-St Louis by plane?
Flint Bishop and Lambert-St Louis are 455.1 mi apart from one another. By plane, this route typically takes 3h 50m.
When did momondo last update prices for flights from Flint Bishop Airport to Lambert-St Louis Airport?
Prices for flights from Flint Bishop Airport to Lambert-St Louis Airport refresh daily.
How many operators does momondo search for flights from Flint Bishop Airport to Lambert-St Louis Airport?
As of September 2025, there are 2 operators available to choose from for flights from Flint Bishop Airport to Lambert-St Louis Airport.
How old do you have to be to fly from Flint Bishop Airport to Lambert-St Louis 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 Flint Bishop Airport 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.
What is the most popular airline from Flint, Michigan to St. Louis?
momondo data reveals that the most frequently booked airline on the route from Flint, Michigan to St. Louis is American Airlines, representing 61% of all bookings. The subsequent popular airline is United Airlines at 39%.

Best airlines flying from Flint, Michigan to St. Louis

Compare and see reviews for airlines that fly from Flint, Michigan to St. Louis with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $228	Free Cancellation	Rating 7.2 10,000 reviews		Search American Airlines flights
United Airlines	PriceFrom $258	Free Cancellation	Rating 7.4 8,926 reviews		Search United Airlines flights

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Why use momondo?

Why should I use momondo to find a flight deal from Flint to St. Louis?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Flint to St. Louis for you.

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

Yes. All flights to St. Louis from Flint on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Flint to St. Louis.

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Yes. momondo can track prices for Flint to St. Louis flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.