$262 Cheap Flights from St. Louis (STL) to Iron Mountain (IMT)

View $262 flight on Tue, Oct 14, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Iron Mountain, MI (IMT-Ford)

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Cheap Flights from St. Louis to Iron Mountain (STL-IMT)

Prices were available within the past 7 days and start at $262 for one-way flights and $337 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, Sep 12 - Tue, Sep 16
STL
St. Louis
IMT
Iron Mountain
$337 Roundtrip, found 9 hours ago
$337
Roundtrip
found 9 hours ago
Select Delta flight, departing Fri, Sep 12 from St. Louis to Iron Mountain, returning Tue, Sep 16, priced at $337 found 9 hours ago
Delta
Fri, Sep 12 - Tue, Sep 16
STL
St. Louis
IMT
Iron Mountain
$407 Roundtrip, found 9 hours ago
$407
Roundtrip
found 9 hours ago
Select Delta flight, departing Fri, Sep 12 from St. Louis to Iron Mountain, returning Tue, Sep 16, priced at $407 found 9 hours ago
Delta
Fri, Sep 12 - Tue, Sep 16
STL
St. Louis
IMT
Iron Mountain
$428 Roundtrip, found 9 hours ago
$428
Roundtrip
found 9 hours ago
Select Delta flight, departing Fri, Sep 12 from St. Louis to Iron Mountain, returning Tue, Sep 16, priced at $428 found 9 hours ago
Delta
Fri, Sep 12 - Tue, Sep 16
STL
St. Louis
IMT
Iron Mountain
$437 Roundtrip, found 9 hours ago
$437
Roundtrip
found 9 hours ago
Select Delta flight, departing Fri, Sep 12 from St. Louis to Iron Mountain, returning Tue, Sep 16, priced at $437 found 9 hours ago
Delta
Fri, Sep 12 - Tue, Sep 16
STL
St. Louis
IMT
Iron Mountain
$467 Roundtrip, found 9 hours ago
$467
Roundtrip
found 9 hours ago
Select Delta flight, departing Fri, Sep 12 from St. Louis to Iron Mountain, returning Tue, Sep 16, priced at $467 found 9 hours ago
Delta
Fri, Sep 12 - Tue, Sep 16
STL
St. Louis
IMT
Iron Mountain
$508 Roundtrip, found 9 hours ago
$508
Roundtrip
found 9 hours ago
Select Delta flight, departing Fri, Sep 12 from St. Louis to Iron Mountain, returning Tue, Sep 16, priced at $508 found 9 hours ago
Delta
Fri, Sep 12 - Tue, Sep 16
STL
St. Louis
IMT
Iron Mountain
$730 Roundtrip, found 9 hours ago
$730
Roundtrip
found 9 hours ago
Select Delta flight, departing Fri, Sep 12 from St. Louis to Iron Mountain, returning Tue, Sep 16, priced at $730 found 9 hours ago
United
Fri, Sep 12 - Tue, Sep 16
STL
St. Louis
IMT
Iron Mountain
$751 Roundtrip, found 9 hours ago
$751
Roundtrip
found 9 hours ago
Select United flight, departing Fri, Sep 12 from St. Louis to Iron Mountain, returning Tue, Sep 16, priced at $751 found 9 hours ago
United
Fri, Sep 12 - Tue, Sep 16
STL
St. Louis
IMT
Iron Mountain
$830 Roundtrip, found 9 hours ago
$830
Roundtrip
found 9 hours ago
Select United flight, departing Fri, Sep 12 from St. Louis to Iron Mountain, returning Tue, Sep 16, priced at $830 found 9 hours ago
Delta
Fri, Sep 12 - Tue, Sep 16
STL
St. Louis
IMT
Iron Mountain
$836 Roundtrip, found 9 hours ago
$836
Roundtrip
found 9 hours ago
Select Delta flight, departing Fri, Sep 12 from St. Louis to Iron Mountain, returning Tue, Sep 16, priced at $836 found 9 hours ago
Flights from St. Louis (STL) to Iron Mountain (IMT)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Ford
Airlines serving
Delta
Roundtrip price
$337
Distance
501 mi

St. Louis to Iron Mountain Flights

The cheapest times to fly from St. Louis to Iron Mountain

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 St. Louis to Iron Mountain are during the month of September. You can find some of the cheapest flights from St. Louis to Iron Mountain with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Iron Mountain

Sunday is one of the best days to book for cheap flights from St. Louis to Iron Mountain: 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 St. Louis to Iron Mountain

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 St. Louis to Iron Mountain in 2025. You can also book with separate airlines for your outbound and return journeys, from $262 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 St. Louis to Iron Mountain 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 St. Louis to Iron Mountain 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.

 

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Ford Airport (IMT) cost?
Grab a cheap one-way flight from $262 or cheap return flight from $337 from Lambert-St. Louis Intl. Airport (STL) to Ford Airport (IMT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Ford Airport (IMT)?
September is the cheapest month to fly from STL to IMT. Traveling during an off-peak travel window is often the key to landing a great deal.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Ford Airport (IMT)?
To find the cheapest airline flying from STL to IMT, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Ford Airport (IMT)?
Nonstop flights from Lambert-St. Louis Intl. Airport (STL) to Ford Airport (IMT) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to IMT?
Typically you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* However, this can change depending on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Ford Airport (IMT)?
To land at Ford Airport (IMT) on time, pick a flight that takes off from Lambert-St. Louis Intl. Airport (STL) before 3 PM. The likelihood 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 Lambert-St. Louis Intl. Airport (STL) to Ford Airport (IMT) last-minute?
Booking your ticket from STL to IMT just before your journey is usually more expensive. However, if there's some wiggle room with your itinerary, you could snag a cheap last-minute fare.
Is it cheaper to book a STL to IMT flight and hotel package?
Opting for a STL to IMT flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Choose from our wide range of accommodations and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Ford Airport (IMT)?
You can usually reschedule or cancel your STL to IMT 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 whether any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.