What are the cheapest airlines flying from St. Louis to Flint, Michigan round-trip?

Our cheapest airline available from St. Louis to Flint, Michigan is American Airlines. Our recent data shows that you can find tickets from as low as $229 on this airline. An additional option worth looking into is United Airlines, starting at $398. These flights start at 41% lower than the current average price 3 months from now.

What is the cheapest day to fly from St. Louis to Flint, Michigan?

Travelers seeking maximum savings on their St. Louis to Flint, Michigan flight should consider departing on Saturday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Flint, Michigan ranges from 1.3 - 3.5 inches per month. September is typically the wettest month, when rainfall can reach 3.5 in. February is typically the driest time to visit Flint, Michigan when rainfall is around 1.3 in.

If weather is an important factor for your trip to Flint, Michigan, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

What is the cheapest day to fly round-trip from St. Louis to Flint, Michigan?

Leaving on a Thursday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 1% on the overall cost on flights from St. Louis to Flint, Michigan.

What is the cheapest month to fly from St. Louis to Flint, Michigan?

August can be a great time to fly to Flint, Michigan from St. Louis with a flight ticket averaging about $390. Cheapflights users have found deals in the month of August for as cheap as $228. The most expensive prices can be found in the month of April.

What is the cheapest time of day to fly from STL to FNT?

It’s typically best to fly out from St. Louis to Flint, Michigan in the morning. Doing so could potentially save you 16% on the flight price compared to flying at noon, which is usually more expensive.

Can I find deals for flights from St. Louis to Flint that include hotel bookings?

Yes. In addition to deals on St. Louis to Flint flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from St. Louis to Flint?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Flint.

Can I find deals for business class flights from St. Louis to Flint?

Yes. Cheapflights offers flight deals from St. Louis to Flint by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$229+ Flights from St. Louis to Flint, MI

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Cheap flight deals from St. Louis to Flint

Round-trip from	$229 (American Airlines)
Popular in	April
Cheapest in	August

From Lambert-St Louis to Flint Bishop

Search Deals

Highest demand for flights based on searches. 4% potential increase in price ($20 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 9% potential price decrease ($34 potential savings vs. average RT price).

Search Deals

Find flight deals from St. Louis to Flint

Cheapest flights from St. Louis to Flint
Explore the most affordable flight options available from St. Louis to Flint. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 29, 2025.

lun. 8/254:19 pmSTL - FNT

1 stop5h 55mAmerican Airlines

lun. 9/16:00 amFNT - STL

1 stop3h 20mAmerican Airlines

Deal found 7/28

$229

dom. 8/1710:37 amSTL - FNT

3 stops25h 57mMultiple Airlines

dom. 8/319:00 amFNT - STL

2 stops10h 41mMultiple Airlines

Deal found 7/28

$358

jue. 8/286:35 amSTL - FNT

1 stop5h 50mUnited Airlines

dom. 8/317:00 amFNT - STL

1 stop6h 25mUnited Airlines

Deal found 7/27

$398

Best flights from St. Louis to Flint
Discover carefully curated flight deals from St. Louis to Flint that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated julio 29, 2025.

lun. 8/254:19 pmSTL - FNT

1 stop5h 55mAmerican Airlines

lun. 9/16:00 amFNT - STL

1 stop3h 20mAmerican Airlines

Deal found 7/28

$229

dom. 8/1710:37 amSTL - FNT

3 stops25h 57mMultiple Airlines

dom. 8/319:00 amFNT - STL

2 stops10h 41mMultiple Airlines

Deal found 7/28

$358

jue. 8/286:35 amSTL - FNT

1 stop5h 50mUnited Airlines

dom. 8/317:00 amFNT - STL

1 stop6h 25mUnited Airlines

Deal found 7/27

$398

Last-minute flights from St. Louis to Flint
Discover last-minute flight deals from St. Louis to Flint. Data last updated julio 29, 2025 and is based on user searches.

mié. 8/66:06 amSTL - FNT

1 stop3h 19mAmerican Airlines

jue. 8/710:55 amFNT - STL

1 stop3h 17mAmerican Airlines

Deal found 7/28

$579

dom. 8/1710:37 amSTL - FNT

3 stops25h 57mMultiple Airlines

dom. 8/319:00 amFNT - STL

2 stops10h 41mMultiple Airlines

Deal found 7/28

$358

lun. 8/254:19 pmSTL - FNT

1 stop5h 55mAmerican Airlines

lun. 9/16:00 amFNT - STL

1 stop3h 20mAmerican Airlines

Deal found 7/28

$229

jue. 8/286:35 amSTL - FNT

1 stop5h 50mUnited Airlines

dom. 8/317:00 amFNT - STL

1 stop6h 25mUnited Airlines

Deal found 7/27

$398

One-way flights from St. Louis to Flint
Search for one-way flight options from St. Louis to Flint. Find affordable one-way fares based on user searches. Data last updated julio 29, 2025.

vie. 8/85:30 pmSTL - FNT

1 stop4h 00mUnited Airlines

Deal found 7/27

$290

Fly from

Fly to

Route

Depart

Return

Price

St. LouisFlint

STL - FNT

STLFNT

Lambert-St Louis

lun. 8/25

4:19 pm-11:14 pm

1 stop5h 55m

Flint Bishop

lun. 9/1

6:00 am-8:20 am

1 stop3h 20m

$229

St. LouisFlint

STL - FNT

STLFNT

Lambert-St Louis

dom. 8/17

10:37 am-1:34 pm

3 stops25h 57m

Flint Bishop

dom. 8/31

9:00 am-6:41 pm

2 stops10h 41m

$358

St. LouisFlint

STL - FNT

STLFNT

Lambert-St Louis

jue. 8/28

6:35 am-1:25 pm

1 stop5h 50m

Flint Bishop

dom. 8/31

7:00 am-12:25 pm

1 stop6h 25m

$398

St. LouisFlint

STL - FNT

STLFNT

Lambert-St Louis

vie. 8/8

5:30 pm-10:30 pm

1 stop4h 00m

$290

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Best time to book a flight from St. Louis to Flint

Have a flexible travel schedule? Discover the best time to fly to Flint from St. Louis with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Flint

What is the cheapest month to book a flight from St. Louis to Flint, Michigan?

Currently, June is the cheapest month in which you can book a flight from St. Louis to Flint, Michigan (average of $321). Flying from St. Louis to Flint, Michigan in December is currently the most expensive (average of $422). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Flint

Read through reviews of airlines operating flights from St. Louis to Flint, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,896 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

United Airlines

7.4

Good

8,896 reviews

United Airlines

7.4

Good

8,896 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

American Airlines

7.2

Good

10,000 reviews

United Airlines

7.4

Good

8,896 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

What are the cheapest airlines flying from St. Louis to Flint, Michigan round-trip?
Our cheapest airline available from St. Louis to Flint, Michigan is American Airlines. Our recent data shows that you can find tickets from as low as $229 on this airline. An additional option worth looking into is United Airlines, starting at $398. These flights start at 41% lower than the current average price 3 months from now.
Can I find deals for flights from St. Louis to Flint that include hotel bookings?
Yes. In addition to deals on St. Louis to Flint flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Flint?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Flint.
Can I find deals for business class flights from St. Louis to Flint?
Yes. Cheapflights offers flight deals from St. Louis to Flint by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from St. Louis to Flint, Michigan?
Currently, June is the cheapest month in which you can book a flight from St. Louis to Flint, Michigan (average of $321). Flying from St. Louis to Flint, Michigan in December is currently the most expensive (average of $422). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top airline flying from St. Louis to Flint

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$228	Average$294	FlexibilityNo cancel fee	On-time71%

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$229+ Cheap flights from St. Louis to Flint, MI (STL - FNT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/25. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Flint with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from St. Louis to Flint

Round-trip from

Popular in

Cheapest in

Find flight deals from St. Louis to Flint

Cheapest flights from St. Louis to FlintExplore the most affordable flight options available from St. Louis to Flint. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 29, 2025.

Explore the most affordable flight options available from St. Louis to Flint. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 29, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from St. Louis to Flint

Have a flexible travel schedule? Discover the best time to fly to Flint from St. Louis with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Flint

What is the cheapest month to book a flight from St. Louis to Flint, Michigan?

Reviews of airlines servicing Flint

Get insights into the airlines that provide service to Flint. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Flint. Reviews last updated julio 29, 2025.

Read through reviews of airlines operating flights from St. Louis to Flint, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Flint. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from St. Louis to Flint, Michigan round-trip?

Can I find deals for flights from St. Louis to Flint that include hotel bookings?

How can I find direct flights from St. Louis to Flint?

Can I find deals for business class flights from St. Louis to Flint?

What is the cheapest month to book a flight from St. Louis to Flint, Michigan?

Traveling to a place near Flint?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for St. Louis to Flint

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from St. Louis to Flint

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Book with Flexibility

Travel Smart

Cheapest flights from St. Louis to Flint
Explore the most affordable flight options available from St. Louis to Flint. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 29, 2025.