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 according to our data. Delta is the first choice among our users, with 58% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 6 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?

American Airlines and United Airlines are the most popular carriers 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 November 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.

$115 Cheap Flights from Flint to St. Louis in 2025/26

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7:51 pm - 11:59 pmFNT-STL

5h 08m1 stop

4:49 pm - 11:32 pmSTL-FNT

5h 43m1 stop

$229American Airlines

Find Deal

sex, dez 12 - dom, dez 14

5:30 am - 1:17 pmFNT-STL

8h 47m2 stops

4:46 pm - 11:14 pmSTL-FNT

5h 28m1 stop

$249American Airlines

Find Deal

qui, nov 27 - sex, nov 28

5:29 am - 1:14 pmFNT-STL

8h 45m2 stops

4:49 pm - 11:32 pmSTL-FNT

5h 43m1 stop

$279American Airlines

Find Deal

sex, dez 12 - dom, dez 14

5:45 pm - 9:00 pmFNT-STL

4h 15m1 stop

9:55 am - 5:02 pmSTL-FNT

6h 07m1 stop

$289United Airlines

Find Deal

sáb, fev 28 - ter, mar 3

5:29 am - 1:14 pmFNT-STL

8h 45m2 stops

2:09 pm - 11:32 pmSTL-FNT

8h 23m2 stops

$329American Airlines

Find Deal

sex, dez 12 - dom, dez 14

6:30 am - 9:33 amFNT-STL

4h 03m1 stop

10:17 am - 11:23 pmSTL-FNT

12h 06m2 stops

$339American Airlines

Find Deal

sáb, fev 28 - ter, mar 3

4:42 pm - 9:40 pmFNT-STL

5h 58m1 stop

5:24 pm - 10:30 pmSTL-FNT

4h 06m1 stop

$359United Airlines

Find Deal

sáb, nov 22 - dom, nov 23

11:02 am - 4:16 pmFNT-STL

6h 14m1 stop

2:17 pm - 7:20 pmSTL-FNT

4h 03m1 stop

$377American Airlines

Find Deal

seg, nov 24 - ter, nov 25

11:02 am - 1:43 pmFNT-STL

3h 41m1 stop

2:08 pm - 11:14 pmSTL-FNT

8h 06m2 stops

$382American Airlines

Find Deal

seg, nov 24 - qua, nov 26

5:30 am - 1:17 pmFNT-STL

8h 47m2 stops

7:11 am - 7:20 pmSTL-FNT

11h 09m2 stops

$387American Airlines

Find Deal

qui, nov 27 - sex, nov 28

American Airlines flights from Flint to St. Louis

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

American Airlines

Dec 12

FNT7:51 pmFlint Bishop

5h 08m

1 stop

STL11:59 pmLambert-St Louis

Dec 14

STL4:49 pmLambert-St Louis

5h 43m

1 stop

FNT11:32 pmFlint Bishop

$229

Find similar

American Airlines

Nov 27

FNT5:30 amFlint Bishop

8h 47m

2 stops

STL1:17 pmLambert-St Louis

Nov 28

STL4:46 pmLambert-St Louis

5h 28m

1 stop

FNT11:14 pmFlint Bishop

$249

Find similar

American Airlines

Dec 12

FNT5:29 amFlint Bishop

8h 45m

2 stops

STL1:14 pmLambert-St Louis

Dec 14

STL4:49 pmLambert-St Louis

5h 43m

1 stop

FNT11:32 pmFlint Bishop

$279

Find similar

United Airlines flights from Flint to St. Louis

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

United Airlines

Feb 28

FNT5:45 pmFlint Bishop

4h 15m

1 stop

STL9:00 pmLambert-St Louis

Mar 3

STL9:55 amLambert-St Louis

6h 07m

1 stop

FNT5:02 pmFlint Bishop

$289

Find similar

United Airlines

Nov 21

FNT2:15 pmFlint Bishop

4h 24m

1 stop

STL5:39 pmLambert-St Louis

Nov 23

STL5:24 pmLambert-St Louis

4h 06m

1 stop

FNT10:30 pmFlint Bishop

$299

Find similar

United Airlines

Nov 22

FNT4:42 pmFlint Bishop

5h 58m

1 stop

STL9:40 pmLambert-St Louis

Nov 23

STL5:24 pmLambert-St Louis

4h 06m

1 stop

FNT10:30 pmFlint Bishop

$359

Find similar

Fly from

Fly to

Route

Depart

Return

Price

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

sex 12/12

7:51 pm-11:59 pm

1 stop5h 08m

Lambert-St Louis

dom 12/14

4:49 pm-11:32 pm

1 stop5h 43m

$229

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

qui 11/27

5:30 am-1:17 pm

2 stops8h 47m

Lambert-St Louis

sex 11/28

4:46 pm-11:14 pm

1 stop5h 28m

$249

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

sex 12/12

5:29 am-1:14 pm

2 stops8h 45m

Lambert-St Louis

dom 12/14

4:49 pm-11:32 pm

1 stop5h 43m

$279

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

sáb 2/28

5:45 pm-9:00 pm

1 stop4h 15m

Lambert-St Louis

ter 3/3

9:55 am-5:02 pm

1 stop6h 07m

$289

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

sex 12/12

5:29 am-1:14 pm

2 stops8h 45m

Lambert-St Louis

dom 12/14

2:09 pm-11:32 pm

2 stops8h 23m

$329

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

sáb 2/28

6:30 am-9:33 am

1 stop4h 03m

Lambert-St Louis

ter 3/3

10:17 am-11:23 pm

2 stops12h 06m

$339

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

sáb 11/22

4:42 pm-9:40 pm

1 stop5h 58m

Lambert-St Louis

dom 11/23

5:24 pm-10:30 pm

1 stop4h 06m

$359

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

seg 11/24

11:02 am-4:16 pm

1 stop6h 14m

Lambert-St Louis

ter 11/25

2:17 pm-7:20 pm

1 stop4h 03m

$377

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

seg 11/24

11:02 am-1:43 pm

1 stop3h 41m

Lambert-St Louis

qua 11/26

2:08 pm-11:14 pm

2 stops8h 06m

$382

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

qui 11/27

5:30 am-1:17 pm

2 stops8h 47m

Lambert-St Louis

sex 11/28

7:11 am-7:20 pm

2 stops11h 09m

$387

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Flint 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 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 averaging around $253.

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 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 to St. Louis

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

Estimated round-trip price

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

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

Direct flights	None

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

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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 41m.
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 November 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 to St. Louis?
momondo data reveals that the most frequently booked airline on the route from Flint to St. Louis is American Airlines, representing 68% of all bookings. The subsequent popular airline is United Airlines at 32%.

Best airlines flying from Flint to St. Louis

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $228	Free Cancellation	Rating 7.4 9,016 reviews		Search United Airlines flights
American Airlines	PriceFrom $228	Free Cancellation	Rating 7.2 11,052 reviews		Search American 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.

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

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.