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St. Louis

$208+ Cheap flights from Flint to St. Louis (FNT - STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
FNT — STL
Aug 24 — Aug 311
Mon 8/24
Mon 8/31
1 adult, Economy
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Cheap flight deals from Flint to St. Louis

Cheapest flights from Flint to St. Louis
Explore the most affordable flight options available from Flint to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 25, 2026.

This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:32 pm
FNT
-
STL
1 stop4h 28m
United Airlines
Tue 8/2512:59 pm
STL
-
FNT
1 stop3h 58m
United Airlines
Deal found 7/21$289
This United Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:32 pm
FNT
-
STL
1 stop4h 28m
United Airlines
Mon 8/1712:59 pm
STL
-
FNT
1 stop3h 58m
United Airlines
Deal found 7/23$299
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:32 pm
FNT
-
STL
1 stop4h 29m
United Airlines
Sun 8/3010:53 am
STL
-
FNT
1 stop6h 04m
United Airlines
Deal found 7/21$302
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:31 pm
FNT
-
STL
1 stop3h 50m
United Airlines
Sun 10/251:08 pm
STL
-
FNT
1 stop6h 01m
United Airlines
Deal found 7/21$307
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:36 pm
FNT
-
STL
1 stop4h 32m
American Airlines
Sun 10/1811:31 am
STL
-
FNT
1 stop4h 35m
American Airlines
Deal found 7/22$334
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/16:30 am
FNT
-
STL
1 stop6h 41m
United Airlines
Sat 8/89:20 am
STL
-
FNT
1 stop6h 08m
United Airlines
Deal found 7/22$349
This American Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/145:32 am
FNT
-
STL
1 stop19h 55m
American Airlines
Sat 9/195:00 am
STL
-
FNT
1 stop18h 25m
American Airlines
Deal found 7/24$355
This United Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:31 pm
FNT
-
STL
1 stop5h 28m
United Airlines
Wed 9/238:00 am
STL
-
FNT
1 stop5h 46m
United Airlines
Deal found 7/20$359
This United Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:30 pm
FNT
-
STL
1 stop5h 29m
United Airlines
Sun 9/205:30 pm
STL
-
FNT
1 stop5h 21m
United Airlines
Deal found 7/24$369
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:30 am
FNT
-
STL
1 stop6h 41m
United Airlines
Mon 8/107:20 am
STL
-
FNT
1 stop5h 03m
United Airlines
Deal found 7/22$378
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/252:27 pm
FNT
-
STL
1 stop5h 56m
United Airlines
Mon 7/276:00 am
STL
-
FNT
1 stop6h 23m
United Airlines
Deal found 7/21$379
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:30 am
FNT
-
STL
1 stop5h 04m
United Airlines
Sun 8/91:13 pm
STL
-
FNT
1 stop6h 10m
United Airlines
Deal found 7/21$395

Find flight deals from Flint to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Flint (FNT) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$289
(United Airlines)

One-way from

$208
(United Airlines)

Popular in

July

Cheapest in

August

Average price

$1,060
Provider with most accurate pricing for Flint Bishop-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Flint Bishop-Lambert-St Louis flights.
Search Deals
From Flint Bishop to Lambert-St Louis
Search Deals
One-way flight from Flint Bishop to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($133 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 15% potential price decrease ($58 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Flint 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, Cheapflights users made 2,558,603 searches. Data last updated July 25, 2026.
Use the filters below to find and compare flights from Flint to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

Thu 9/24

6:31 pm-9:21 pm

1 stop3h 50m

Lambert-St Louis

Mon 9/28

1:29 pm-5:56 pm

1 stop3h 27m

$289

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

Tue 8/18

6:32 pm-10:00 pm

1 stop4h 28m

Lambert-St Louis

Tue 8/25

12:59 pm-5:57 pm

1 stop3h 58m

$289

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

Fri 9/18

6:30 pm-9:36 pm

1 stop4h 06m

Lambert-St Louis

Mon 9/21

5:30 pm-11:51 pm

1 stop5h 21m

$299

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

Fri 10/23

6:31 pm-9:21 pm

1 stop3h 50m

Lambert-St Louis

Sun 10/25

1:08 pm-8:09 pm

1 stop6h 01m

$307

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

Sat 9/19

6:31 pm-10:59 pm

1 stop5h 28m

Lambert-St Louis

Wed 9/23

8:00 am-2:46 pm

1 stop5h 46m

$369

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

Mon 9/21

6:30 pm-9:36 pm

1 stop4h 06m

Lambert-St Louis

Mon 9/28

5:36 pm-11:55 pm

1 stop5h 19m

$369

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

Wed 8/5

6:30 am-10:34 am

1 stop5h 04m

Lambert-St Louis

Sun 8/9

1:13 pm-8:23 pm

1 stop6h 10m

$395

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

Wed 9/23

6:25 am-11:57 am

1 stop6h 32m

Lambert-St Louis

Sun 9/27

5:36 pm-11:55 pm

1 stop5h 19m

$439

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

Fri 8/7

6:30 am-12:11 pm

1 stop6h 41m

Lambert-St Louis

Sun 8/9

1:13 pm-8:23 pm

1 stop6h 10m

$454

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

Tue 8/4

6:30 am-12:11 pm

1 stop6h 41m

Lambert-St Louis

Sat 8/8

9:20 am-4:28 pm

1 stop6h 08m

$465

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/20

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

Compare providers for flights from Flint to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Flint to St. Louis in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Flint-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Flint-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Flint-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Flint-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Flint-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Flint 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 Flint to St. Louis

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

Currently, August is the cheapest month in which you can book a flight from Flint to St. Louis (average of $253). Flying from Flint to St. Louis in July is currently the most expensive (average of $1,060). 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.

How much does it cost to fly round-trip from Flint to St. Louis?

Airfare is below average for this route at the moment.

Flint to St. Louis flights typically cost between $308 and $704 in August.
The cheapest round-trip price found within the last 5 days was $289 on United Airlines (Aug 18-Aug 25).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated July 25, 2026.
Get a feel of what it's like to fly with United Airlines and American Airlines from Flint to St. Louis by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,034 reviews

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
United Airlines
7.4
Good
10,034 reviews
United Airlines
7.4
Good
10,034 reviews

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
American Airlines
7.1
Good
11,847 reviews
United Airlines
7.4
Good
10,034 reviews

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

Related info for your journey

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

  • How long is the flight from Flint to St. Louis?

    A quick flight from Flint to St. Louis can take about 3h 50m. United Airlines provides one of the quickest options available for as low as $289. Airlines will cover a distance of 452 mi.

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

    Flying on American Airlines is currently your cheapest option to St. Louis, with prices starting at $228. Another option worth looking into is United Airlines, starting at $266 round trip. Users have found that American Airlines is 46% cheaper than the other options available to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Flint to St. Louis 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 Flint to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Flint to St. Louis (average of $253). Flying from Flint to St. Louis in July is currently the most expensive (average of $1,060). 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

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Farmington

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Flint to St. Louis

Discover the top 2 airlines that operate flights from Flint to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$228Average$349FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$266Average$348FlexibilityNo cancel feeOn-time69%

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