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St. Louis

$249+ Cheap flights from Flint to St. Louis (FNT - STL)

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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
FNT — STL
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
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 January 26, 2026.

This United Airlines deal was found by Cheapflights users on 1/25. 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.
Mon 2/236:05 pm
FNT
-
STL
1 stop4h 00m
United Airlines
Thu 3/267:41 am
STL
-
FNT
1 stop6h 13m
United Airlines
Deal found 1/25$249
This American Airlines deal was found by Cheapflights users on 1/26. 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.
Sat 2/285:40 am
FNT
-
STL
1 stop5h 33m
American Airlines
Sun 3/16:00 am
STL
-
FNT
1 stop4h 55m
American Airlines
Deal found 1/26$304
This United Airlines deal was found by Cheapflights users on 1/25. 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 5/77:40 pm
FNT
-
STL
1 stop4h 19m
United Airlines
Wed 5/137:45 am
STL
-
FNT
1 stop5h 00m
United Airlines
Deal found 1/25$309
This United Airlines deal was found by Cheapflights users on 1/26. 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 2/105:44 pm
FNT
-
STL
1 stop6h 14m
United Airlines
Sat 2/149:55 am
STL
-
FNT
1 stop6h 07m
United Airlines
Deal found 1/26$310
This American Airlines deal was found by Cheapflights users on 1/25. 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 2/267:38 pm
FNT
-
STL
1 stop5h 10m
American Airlines
Sun 3/16:00 am
STL
-
FNT
1 stop4h 55m
American Airlines
Deal found 1/25$312
This American Airlines deal was found by Cheapflights users on 1/26. 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.
Tue 2/106:30 am
FNT
-
STL
2 stops9h 34m
American Airlines
Sat 2/146:36 pm
STL
-
FNT
1 stop3h 21m
American Airlines
Deal found 1/26$315
This American Airlines deal was found by Cheapflights users on 1/25. 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 2/127:38 pm
FNT
-
STL
1 stop5h 10m
American Airlines
Mon 2/166:00 am
STL
-
FNT
1 stop4h 55m
American Airlines
Deal found 1/25$317
This United Airlines deal was found by Cheapflights users on 1/25. 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 1/295:44 pm
FNT
-
STL
1 stop6h 14m
United Airlines
Sat 1/314:49 pm
STL
-
FNT
1 stop4h 55m
United Airlines
Deal found 1/25$319
This American Airlines deal was found by Cheapflights users on 1/25. 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 1/291:40 pm
FNT
-
STL
2 stops10h 32m
American Airlines
Sat 1/311:40 pm
STL
-
FNT
1 stop4h 04m
American Airlines
Deal found 1/25$324
This United Airlines deal was found by Cheapflights users on 1/25. 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 5/77:40 pm
FNT
-
STL
1 stop4h 19m
United Airlines
Mon 5/117:45 am
STL
-
FNT
1 stop5h 00m
United Airlines
Deal found 1/25$334

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 January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$249
(United Airlines)

Popular in

January

Cheapest in

August

Average price

$701
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
Highest demand for flights based on searches. 17% potential increase in price ($77 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 26, 2026.
Use the filters below to find and compare flights from Flint to St. Louis that are best for you.

Fly from

Flint

Fly to

St. Louis

Route

Depart

Return

Price

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

Sat 2/28

5:40 am-10:13 am

1 stop5h 33m

Lambert-St Louis

Sun 3/1

6:00 am-11:55 am

1 stop4h 55m

$304

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

Thu 5/7

7:40 pm-10:59 pm

1 stop4h 19m

Lambert-St Louis

Sat 5/16

7:45 am-1:45 pm

1 stop5h 00m

$309

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

Thu 5/7

7:40 pm-10:59 pm

1 stop4h 19m

Lambert-St Louis

Thu 5/14

7:45 am-1:45 pm

1 stop5h 00m

$309

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

Tue 2/10

6:30 am-3:04 pm

2 stops9h 34m

Lambert-St Louis

Sat 2/14

6:36 pm-10:57 pm

1 stop3h 21m

$315

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

Thu 5/7

7:40 pm-10:59 pm

1 stop4h 19m

Lambert-St Louis

Mon 5/11

7:45 am-1:45 pm

1 stop5h 00m

$334

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

Fri 5/8

7:32 pm-10:14 pm

1 stop3h 42m

Lambert-St Louis

Thu 5/14

7:05 am-12:27 pm

1 stop4h 22m

$344

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

Fri 5/8

7:32 pm-10:14 pm

1 stop3h 42m

Lambert-St Louis

Fri 5/15

6:00 am-12:27 pm

1 stop5h 27m

$344

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

Sun 5/10

7:40 pm-10:59 pm

1 stop4h 19m

Lambert-St Louis

Thu 5/14

7:45 am-1:45 pm

1 stop5h 00m

$359

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

Fri 5/8

7:40 pm-10:59 pm

1 stop4h 19m

Lambert-St Louis

Sat 5/16

7:45 am-1:45 pm

1 stop5h 00m

$364

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

Sun 5/10

7:40 pm-10:59 pm

1 stop4h 19m

Lambert-St Louis

Sat 5/16

7:45 am-1:45 pm

1 stop5h 00m

$364

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 12 results
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 January.
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 $40). Flying from Flint to St. Louis in January is currently the most expensive (average of $252). 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?

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 January 26, 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
9,199 reviews

Boarding

7.7

Food

6.6

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,199 reviews
United Airlines
7.4
Good
9,199 reviews

Boarding

7.7

Food

6.6

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,189 reviews
United Airlines
7.4
Good
9,199 reviews

Boarding

7.7

Food

6.6

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 4h 19m. American Airlines provides one of the quickest options available for as low as $309. Airlines will cover a distance of 452 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $228 round trip. Users have found that American Airlines is 37% 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 $40). Flying from Flint to St. Louis in January is currently the most expensive (average of $252). 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
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

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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 January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$228Average$348FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$228Average$288FlexibilityNo cancel feeOn-time71%

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