Cheap flights from St. Louis to Iron Mountain from $720

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Iron Mountain departing on 7/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from St. Louis to Iron Mountain

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:30 am - 10:28 am
STL
-
IMT
3h 58m
1 stop
Delta Logo
11:06 am - 3:13 pm
IMT
-
STL
4h 07m
1 stop
$720Delta
Mon, Jul 13 - Fri, Jul 17
Delta Logo
6:30 am - 10:28 am
STL
-
IMT
3h 58m
1 stop
Delta Logo
11:06 am - 5:24 pm
IMT
-
STL
6h 18m
2 stops
$730Delta
Mon, Jul 13 - Fri, Jul 17
Delta Logo
6:00 am - 4:32 pm
STL
-
IMT
10h 32m
2 stops
Delta Logo
11:06 am - 5:24 pm
IMT
-
STL
6h 18m
2 stops
$2,264Delta
Mon, Jul 13 - Fri, Jul 17

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Delta flights from St. Louis to Iron Mountain

Our best Delta deals on St. Louis to Iron Mountain flight tickets
Delta
Jul 13
STL6:30 amLambert-St Louis
3h 58m
1 stop
IMT10:28 amIron Mountain Ford
Jul 17
IMT11:06 amIron Mountain Ford
4h 07m
1 stop
STL3:13 pmLambert-St Louis
$720
Delta
Jul 13
STL6:30 amLambert-St Louis
3h 58m
1 stop
IMT10:28 amIron Mountain Ford
Jul 17
IMT11:06 amIron Mountain Ford
6h 18m
2 stops
STL5:24 pmLambert-St Louis
$730
Delta
Jul 5
STL6:30 amLambert-St Louis
4h 05m
1 stop
IMT10:35 amIron Mountain Ford
Jul 12
IMT5:12 pmIron Mountain Ford
6h 10m
2 stops
STL11:22 pmLambert-St Louis
$876

momondo 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, momondo users made 832,500 searches. Data last updated June 29, 2026.
Use the filters below to find and compare flights from St. Louis to Iron Mountain that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

St. LouisIron Mountain

STL - IMT

STLIMT

Lambert-St Louis

Mon 7/13

6:30 am-10:28 am

1 stop3h 58m

Iron Mountain Ford

Fri 7/17

11:06 am-3:13 pm

1 stop4h 07m

$720

St. LouisIron Mountain

STL - IMT

STLIMT

Lambert-St Louis

Mon 7/13

6:30 am-10:28 am

1 stop3h 58m

Iron Mountain Ford

Fri 7/17

11:06 am-5:24 pm

2 stops6h 18m

$730

St. LouisIron Mountain

STL - IMT

STLIMT

Lambert-St Louis

Mon 7/13

6:00 am-4:32 pm

2 stops10h 32m

Iron Mountain Ford

Fri 7/17

11:06 am-5:24 pm

2 stops6h 18m

$2,264

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from St. Louis to Iron Mountain

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Iron Mountain according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Iron Mountain (STL to IMT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Iron Mountain

Fastest flight time

4h 05m

Direct flights

None
The fastest flight from St. Louis to Iron Mountain takes 4h 05m
There are no direct flights from St. Louis to Iron Mountain. There are no popular flight routes from St. Louis to Iron Mountain.

Frequently asked questions about flying from St. Louis to Iron Mountain

  • How far is Lambert-St Louis to Iron Mountain Ford by plane?

    The straight-line distance from Lambert-St Louis to Iron Mountain Ford is 508.4 mi. Typically, this will take 4h 05m by plane in normal conditions.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Iron Mountain Ford Airport?

    Prices for flights from Lambert-St Louis Airport to Iron Mountain Ford Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Lambert-St Louis Airport to Iron Mountain Ford Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Iron Mountain Ford Airport.

  • What documentation or ID do you need to fly to Iron Mountain Ford Airport?

    The travel and health documents required for your trip to Iron Mountain Ford Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Iron Mountain Ford Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Frequently asked questions about flying from St. Louis to Iron Mountain

  • How do I get Price Alerts for flights from St. Louis to Iron Mountain?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to St. Louis from Iron Mountain. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from St. Louis to Iron Mountain with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Iron Mountain?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Iron Mountain. momondo saves you time and could save you money on your trip.

Can I find flights from St. Louis to Iron Mountain with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for St. Louis to Iron Mountain flights to just show those with flexible booking policies.

How can momondo help me find flights from St. Louis to Iron Mountain?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Iron Mountain from St. Louis.

I’m not ready to book a flight from St. Louis to Iron Mountain right now. Can momondo alert me if prices change?

If you are not ready to book a flight from St. Louis to Iron Mountain now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Iron Mountain and let you know when they change.

An easier way to manage your Iron Mountain trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 7/29
Wed 8/5

Find better results for your trip to the United States