$339+ Cheap flights from St. Louis to Iron Mountain (STL - IMT)
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 6/24. Fares are subject to change and may not be available on all flights or dates of travel.
STL — IMT
Jun 17 — Jun 241
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Iron Mountain
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Iron Mountain (IMT). 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 June 12, 2025.
Round-trip from | $577 (Delta) |
|---|---|
One-way from | $339 (Delta) |
Find flight deals from St. Louis to Iron Mountain
Cheapest flights from St. Louis to Iron MountainExplore the most affordable flight options available from St. Louis to Iron Mountain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
Explore the most affordable flight options available from St. Louis to Iron Mountain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
This Delta deal was found by Cheapflights users on 6/9. 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.
Mon 7/2111:18 amSTL - IMT
1 stop5h 15mDelta
Wed 7/235:08 pmIMT - STL
1 stop3h 28mDelta
Deal found 6/9![Delta logo]()
$577
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Iron Mountain 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 June 12, 2025.
Use the filters below to find and compare flights from St. Louis to Iron Mountain that are best for you.
Fly from
St. Louis
Fly to
Iron Mountain
Route
Depart
Return
Price
St. LouisIron Mountain
STL - IMT
STLIMT
Lambert-St Louis
Mon 7/21
11:18 am-4:33 pm
1 stop5h 15m
Iron Mountain Ford
Wed 7/23
5:08 pm-8:36 pm
1 stop3h 28m
$577
St. LouisIron Mountain
STL - IMT
STLIMT
Lambert-St Louis
Tue 6/24
6:40 am-10:24 am
1 stop3h 44m
$339
Best time to book a flight from St. Louis to Iron Mountain
Have a flexible travel schedule? Discover the best time to fly to Iron Mountain from St. Louis 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 St. Louis to Iron Mountain
Rainfall in Iron Mountain by month
Plan your trip to Iron Mountain by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Iron Mountain ranges from 0.4 - 3.5 inches per month. July is typically the wettest month, when rainfall can reach 3.5 in. February is typically the driest time to visit Iron Mountain when rainfall is around 0.4 in.
Temperature in Iron Mountain by month
Plan your trip to Iron Mountain by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Iron Mountain, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 F).
Reviews of airlines servicing Iron Mountain
Get insights into the airlines that provide service to Iron Mountain. 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 Iron Mountain. Reviews last updated June 12, 2025.
Food
7.3
Entertainment
7.9
Boarding
8.2
Overall
8.0
Comfort
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Food
7.3
Entertainment
7.9
Boarding
8.2
Overall
8.0
Comfort
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC