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$332+ Cheap flights from Iron Mountain to St. Louis (IMT - 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
IMT — STL
mar. 12 — mar. 191
jue. 3/12
jue. 3/19
1 adult, Economy
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Cheap flight deals from Iron Mountain to St. Louis

Cheapest flights from Iron Mountain to St. Louis
Explore the most affordable flight options available from Iron Mountain to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrero 10, 2026.

This Delta deal was found by Cheapflights users on 2/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 3/611:10 am
IMT
-
STL
1 stop5h 35m
Delta
lun. 3/96:32 am
STL
-
IMT
1 stop3h 58m
Delta
Deal found 2/8$558
This Delta deal was found by Cheapflights users on 2/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/2611:05 am
IMT
-
STL
1 stop3h 19m
Delta
lun. 3/306:32 am
STL
-
IMT
1 stop3h 58m
Delta
Deal found 2/8$753

Find flight deals from Iron Mountain to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Iron Mountain (IMT) 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 febrero 10, 2026.

Round-trip from

$558
(Delta)

One-way from

$332
(Delta)
From Iron Mountain Ford to Lambert-St Louis
Search Deals
One-way flight from Iron Mountain Ford to Lambert-St Louis
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Iron Mountain 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 febrero 10, 2026.
Use the filters below to find and compare flights from Iron Mountain to St. Louis that are best for you.

Fly from

Iron Mountain

Fly to

St. Louis

Route

Depart

Return

Price

Iron MountainSt. Louis

IMT - STL

IMTSTL

Iron Mountain Ford

vie. 3/6

11:10 am-4:45 pm

1 stop5h 35m

Lambert-St Louis

lun. 3/9

6:32 am-10:30 am

1 stop3h 58m

$558

Iron MountainSt. Louis

IMT - STL

IMTSTL

Iron Mountain Ford

jue. 3/26

11:05 am-2:24 pm

1 stop3h 19m

Lambert-St Louis

lun. 3/30

6:32 am-10:30 am

1 stop3h 58m

$753

Iron MountainSt. Louis

IMT - STL

IMTSTL

Iron Mountain Ford

jue. 3/5

11:10 am-2:54 pm

1 stop3h 44m

$332

Iron MountainSt. Louis

IMT - STL

IMTSTL

Iron Mountain Ford

vie. 3/6

11:10 am-4:45 pm

1 stop5h 35m

$394

Iron MountainSt. Louis

IMT - STL

IMTSTL

Iron Mountain Ford

jue. 3/26

11:05 am-5:05 pm

1 stop6h 00m

$534

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

Best time to book a flight from Iron Mountain to St. Louis

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

Related info for your journey

Find useful and relevant information for your journey from Iron Mountain 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 Iron Mountain to St. Louis?

    Delta can get you from Iron Mountain to St. Louis in just under 5h 35m. Your travel time can differ by up to . Airlines will cover a distance of 501 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Iron Mountain 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.

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

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