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St. Louis

$233+ 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 12/26. Fares are subject to change and may not be available on all flights or dates of travel.
FNT — STL
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
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 December 12, 2025.

This American Airlines deal was found by Cheapflights users on 12/10. 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 12/225:49 amFNT - STL
1 stop3h 46mAmerican Airlines
Tue 12/304:53 pmSTL - FNT
1 stop5h 14mAmerican Airlines
Deal found 12/10$309
This American Airlines deal was found by Cheapflights users on 12/11. 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.
Sun 12/215:49 amFNT - STL
1 stop3h 46mAmerican Airlines
Sun 12/285:40 amSTL - FNT
1 stop3h 44mAmerican Airlines
Deal found 12/11$319
This American Airlines deal was found by Cheapflights users on 12/11. 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 12/228:21 pmFNT - STL
1 stop4h 23mAmerican Airlines
Fri 12/264:53 pmSTL - FNT
1 stop5h 14mAmerican Airlines
Deal found 12/11$349
This American Airlines deal was found by Cheapflights users on 12/10. 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 12/1310:50 amFNT - STL
1 stop6h 29mAmerican Airlines
Sun 12/145:15 amSTL - FNT
1 stop4h 05mAmerican Airlines
Deal found 12/10$359
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/264:26 pmFNT - STL
1 stop3h 52mUnited Airlines
Tue 12/305:02 pmSTL - FNT
1 stop4h 28mUnited Airlines
Deal found 12/11$459
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/215:41 pmFNT - STL
2 stops25h 55mMultiple Airlines
Sun 12/2810:10 pmSTL - FNT
1 stop23h 17mMultiple Airlines
Deal found 12/11$497
This American Airlines deal was found by Cheapflights users on 12/11. 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 12/238:21 pmFNT - STL
1 stop4h 31mAmerican Airlines
Fri 12/264:53 pmSTL - FNT
1 stop5h 14mAmerican Airlines
Deal found 12/11$524
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/127:00 amFNT - STL
1 stop6h 15mUnited Airlines
Sun 1/114:49 pmSTL - FNT
1 stop4h 55mUnited Airlines
Deal found 12/10$531

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$274
(American Airlines)

One-way from

$233
(American Airlines)

Popular in

January

Cheapest in

August

Average price

$293
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. 26% potential increase in price ($139 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 14% potential price decrease ($47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 12, 2025.
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

Thu 1/8

1:40 pm-6:14 pm

1 stop5h 34m

Lambert-St Louis

Wed 1/14

6:44 pm-11:26 pm

1 stop3h 42m

$274

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

Sat 1/17

7:00 am-12:29 pm

1 stop6h 29m

Lambert-St Louis

Wed 1/21

11:20 am-5:09 pm

1 stop4h 49m

$289

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

Mon 12/22

5:49 am-8:35 am

1 stop3h 46m

Lambert-St Louis

Tue 12/30

4:53 pm-11:07 pm

1 stop5h 14m

$309

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

Mon 12/22

8:21 pm-11:44 pm

1 stop4h 23m

Lambert-St Louis

Fri 12/26

4:53 pm-11:07 pm

1 stop5h 14m

$349

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

Wed 1/7

5:44 pm-10:58 pm

1 stop6h 14m

Lambert-St Louis

Wed 1/14

9:57 am-5:09 pm

1 stop6h 12m

$354

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

Tue 1/6

5:44 pm-9:13 pm

1 stop4h 29m

Lambert-St Louis

Thu 1/8

9:57 am-5:09 pm

1 stop6h 12m

$381

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

Tue 1/6

6:30 am-3:04 pm

2 stops9h 34m

Lambert-St Louis

Thu 1/8

6:00 am-1:10 pm

1 stop6h 10m

$386

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

Fri 12/26

8:05 pm-11:55 pm

1 stop4h 50m

$233

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

Fri 12/26

7:00 am-12:27 pm

1 stop6h 27m

$315

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

Fri 12/26

2:11 pm-9:40 am

3 stops44h 29m

$693

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Flint-St. Louis flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 $39). Flying from Flint to St. Louis in March is currently the most expensive (average of $234). 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.

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

Find hourly flight availability from Flint to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

When flying from Flint to St. Louis, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 23% versus a flight at noon.

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 December 12, 2025.
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
9,095 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,095 reviews
United Airlines
7.4
Good
9,095 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
American Airlines
7.2
Good
11,050 reviews
United Airlines
7.4
Good
9,095 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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 5h 34m. American Airlines provides one of the quickest options available for as low as $274. 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 39% 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 $39). Flying from Flint to St. Louis in March is currently the most expensive (average of $234). 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
Fairview Heights
Maryland Heights
Collinsville
Swansea
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$228Average$349FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$228Average$288FlexibilityNo cancel feeOn-time71%

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