$115 Cheap Flights from Flint (FNT) to St. Louis (STL)

View $115 flight on Tue, Jan 20, 2026Opens in a new window

Popular airlines from Bishop Intl. Airport (FNT) to St. Louis Lambert Intl. Airport (STL)

Cheap Flights from Flint to St. Louis (FNT-STL)

Prices were available within the past 7 days and start at $115 for one-way flights and $229 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Nov 22 - Fri, Nov 28
FNT
Flint
STL
St. Louis
$229 Roundtrip, found 10 hours ago
$229
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Sat, Nov 22 from Flint to St. Louis, returning Fri, Nov 28, priced at $229 found 10 hours ago
United
Fri, Oct 24 - Mon, Oct 27
FNT
Flint
STL
St. Louis
$233 Roundtrip, found 5 days ago
$233
Roundtrip
found 5 days ago
Select United flight, departing Fri, Oct 24 from Flint to St. Louis, returning Mon, Oct 27, priced at $233 found 5 days ago
United
Wed, Dec 10 - Sat, Dec 13
FNT
Flint
STL
St. Louis
$234 Roundtrip, found 4 days ago
$234
Roundtrip
found 4 days ago
Select United flight, departing Wed, Dec 10 from Flint to St. Louis, returning Sat, Dec 13, priced at $234 found 4 days ago
United
Thu, Oct 23 - Sun, Oct 26
FNT
Flint
STL
St. Louis
$236 Roundtrip, found 12 hours ago
$236
Roundtrip
found 12 hours ago
Select United flight, departing Thu, Oct 23 from Flint to St. Louis, returning Sun, Oct 26, priced at $236 found 12 hours ago
United
Thu, Oct 16 - Tue, Oct 21
FNT
Flint
STL
St. Louis
$239 Roundtrip, found 15 hours ago
$239
Roundtrip
found 15 hours ago
Select United flight, departing Thu, Oct 16 from Flint to St. Louis, returning Tue, Oct 21, priced at $239 found 15 hours ago
American Airlines
Sat, Oct 11 - Wed, Oct 15
FNT
Flint
STL
St. Louis
$254 Roundtrip, found 1 day ago
$254
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Oct 11 from Flint to St. Louis, returning Wed, Oct 15, priced at $254 found 1 day ago
American Airlines
Fri, Oct 24 - Sun, Oct 26
FNT
Flint
STL
St. Louis
$259 Roundtrip, found 7 hours ago
$259
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Fri, Oct 24 from Flint to St. Louis, returning Sun, Oct 26, priced at $259 found 7 hours ago
United
Thu, Oct 23 - Sun, Oct 26
FNT
Flint
STL
St. Louis
$261 Roundtrip, found 12 hours ago
$261
Roundtrip
found 12 hours ago
Select United flight, departing Thu, Oct 23 from Flint to St. Louis, returning Sun, Oct 26, priced at $261 found 12 hours ago
United
Fri, Oct 17 - Mon, Oct 20
FNT
Flint
STL
St. Louis
$262 Roundtrip, found 5 days ago
$262
Roundtrip
found 5 days ago
Select United flight, departing Fri, Oct 17 from Flint to St. Louis, returning Mon, Oct 20, priced at $262 found 5 days ago
American Airlines
Sat, Oct 18 - Mon, Oct 20
FNT
Flint
STL
St. Louis
$264 Roundtrip, found 15 hours ago
$264
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Sat, Oct 18 from Flint to St. Louis, returning Mon, Oct 20, priced at $264 found 15 hours ago

Find the cheapest month to fly from Flint (FNT) to St. Louis (STL)

May is typically the cheapest month to fly

From $213 - $518 per traveler.

Alternative airports near St. Louis

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Lambert-St. Louis Intl. STL. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $294
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city center20 min
Flights from $294

Frequently asked questions

How much does a flight from Bishop Intl. Airport (FNT) to Lambert-St. Louis Intl. Airport (STL) cost?
Secure a cheap one-way flight from $115 or cheap return flight from $229 from Bishop Intl. Airport (FNT) to Lambert-St. Louis Intl. Airport (STL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Bishop Intl. Airport (FNT) to Lambert-St. Louis Intl. Airport (STL)?
The cheapest month to fly from FNT to STL is November, when demand is low. Off-peak season is usually when airlines offer better prices between these airports.
Which airlines fly direct from Bishop Intl. Airport (FNT) to Lambert-St. Louis Intl. Airport (STL)?
You can't fly direct from Flint, MI (FNT-Bishop Intl.) to Lambert-St. Louis Intl. Airport (STL). However, you can easily journey to St. Louis without any layovers by departing from Detroit Metropolitan Wayne County Airport (DTW).
What is the cheapest airline that flies from Bishop Intl. Airport (FNT) to Lambert-St. Louis Intl. Airport (STL)?
To find the cheapest airline that'll fly you from FNT to STL, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Bishop Intl. Airport (FNT) to Lambert-St. Louis Intl. Airport (STL)?
You'll have to take a flight with a layover when traveling from Bishop Intl. Airport (FNT) to Lambert-St. Louis Intl. Airport (STL). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from FNT to STL?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Bishop Intl. Airport (FNT) to Lambert-St. Louis Intl. Airport (STL)?
To arrive at Lambert-St. Louis Intl. Airport (STL) without delays, choose a flight that leaves Bishop Intl. Airport (FNT) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Bishop Intl. Airport (FNT) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Booking your plane ticket from FNT to STL right before your trip is usually more expensive. But if there's some wiggle room with your itinerary, you could land a cheap last-minute fare.
Is it cheaper to book a FNT to STL flight and hotel package?
You'll generally save money by booking a FNT to STL flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've chosen your preferred accommodations and flights, consider adding extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Bishop Intl. Airport (FNT) to Lambert-St. Louis Intl. Airport (STL)?
It's generally possible to cancel or reschedule your FNT to STL flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Travel information

Origin airport
Bishop Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
American Airlines, United
Roundtrip price
$228
Distance
452 mi

Book with confidence

Book with confidence

Flint to St. Louis Flights

The cheapest times to fly from Flint to St. Louis

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Flint to St. Louis are during the month of November. You can find some of the cheapest flights from Flint to St. Louis with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Flint to St. Louis

Sunday is one of the best days to book for cheap flights from Flint to St. Louis: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Flint to St. Louis

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Flint to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $115 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Flint to St. Louis flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Flint to St. Louis airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Flint to St. Louis Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.