When did momondo last update prices for flights from Lambert-St Louis Airport to Sault Ste. Marie Chippewa County Airport?

Prices for flights from Lambert-St Louis Airport to Sault Ste. Marie Chippewa County Airport are refreshed on a daily basis.

How old do you have to be to fly from Lambert-St Louis Airport to Sault Ste. Marie Chippewa County Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Sault Ste. Marie Chippewa County Airport.

What documentation or ID do you need to fly to Sault Ste. Marie Chippewa County Airport?

The travel and health documents required for your trip to Sault Ste. Marie Chippewa County 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 Sault Ste. Marie Chippewa County Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$396 Cheap Flights from St. Louis to Sault Ste. Marie in 2026

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Find the cheapest flights from St. Louis to Sault Ste. Marie

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:30 pm - 3:04 pm

STL

CIU

17h 34m

1 stop

3:40 pm - 9:22 pm

CIU

STL

6h 42m

1 stop

$475United Airlines

Tue, Aug 25 - Sat, Aug 29

7:22 am - 2:43 pm

STL

CIU

6h 21m

1 stop

3:18 pm - 9:16 pm

CIU

STL

6h 58m

1 stop

$493United Airlines

Fri, Jun 5 - Sun, Jun 7

5:32 pm - 3:04 pm

STL

CIU

20h 32m

1 stop

3:40 pm - 9:22 pm

CIU

STL

6h 42m

1 stop

$529United Airlines

Tue, Aug 25 - Sat, Aug 29

11:25 am - 3:04 pm

STL

CIU

26h 39m

1 stop

3:40 pm - 9:22 pm

CIU

STL

6h 42m

1 stop

$539United Airlines

Tue, Aug 25 - Sat, Aug 29

4:40 pm - 3:04 pm

STL

CIU

21h 24m

2 stops

3:40 pm - 9:22 pm

CIU

STL

6h 42m

1 stop

$544United Airlines

Tue, Aug 25 - Sat, Aug 29

9:00 am - 3:04 pm

STL

CIU

29h 04m

2 stops

3:40 pm - 9:22 pm

CIU

STL

6h 42m

1 stop

$598United Airlines

Tue, Aug 25 - Sat, Aug 29

2:18 pm - 7:32 pm

STL

CIU

4h 14m

1 stop

4:10 pm - 8:31 pm

CIU

STL

5h 21m

1 stop

$608Delta

Fri, Aug 14 - Tue, Aug 18

2:18 pm - 7:32 pm

STL

CIU

4h 14m

1 stop

4:10 pm - 11:37 pm

CIU

STL

8h 27m

2 stops

$618Delta

Fri, Aug 14 - Tue, Aug 18

9:00 am - 7:32 pm

STL

CIU

9h 32m

2 stops

4:10 pm - 11:37 pm

CIU

STL

8h 27m

2 stops

$623Delta

Fri, Aug 14 - Tue, Aug 18

1:46 pm - 7:18 pm

STL

CIU

4h 32m

1 stop

7:00 am - 11:39 am

CIU

STL

5h 39m

1 stop

$638Delta

Tue, Apr 28 - Sat, May 2

United Airlines flights from St. Louis to Sault Ste. Marie

Our best United Airlines deals on St. Louis to Sault Ste. Marie flight tickets

United Airlines

Aug 25

STL8:30 pmLambert-St Louis

17h 34m

1 stop

CIU3:04 pmSault Ste. Marie Chippewa County

Aug 29

CIU3:40 pmSault Ste. Marie Chippewa County

6h 42m

1 stop

STL9:22 pmLambert-St Louis

$475

United Airlines

Jun 5

STL7:22 amLambert-St Louis

6h 21m

1 stop

CIU2:43 pmSault Ste. Marie Chippewa County

Jun 7

CIU3:18 pmSault Ste. Marie Chippewa County

6h 58m

1 stop

STL9:16 pmLambert-St Louis

$493

United Airlines

Aug 25

STL1:18 pmLambert-St Louis

24h 46m

1 stop

CIU3:04 pmSault Ste. Marie Chippewa County

Aug 29

CIU3:40 pmSault Ste. Marie Chippewa County

6h 42m

1 stop

STL9:22 pmLambert-St Louis

$529

Delta flights from St. Louis to Sault Ste. Marie

Our best Delta deals on St. Louis to Sault Ste. Marie flight tickets

Delta

Aug 14

STL2:18 pmLambert-St Louis

4h 14m

1 stop

CIU7:32 pmSault Ste. Marie Chippewa County

Aug 18

CIU4:10 pmSault Ste. Marie Chippewa County

5h 21m

1 stop

STL8:31 pmLambert-St Louis

$608

Delta

Aug 14

STL2:18 pmLambert-St Louis

4h 14m

1 stop

CIU7:32 pmSault Ste. Marie Chippewa County

Aug 18

CIU4:10 pmSault Ste. Marie Chippewa County

8h 27m

2 stops

STL11:37 pmLambert-St Louis

$618

Delta

Aug 14

STL9:00 amLambert-St Louis

9h 32m

2 stops

CIU7:32 pmSault Ste. Marie Chippewa County

Aug 18

CIU4:10 pmSault Ste. Marie Chippewa County

8h 27m

2 stops

STL11:37 pmLambert-St Louis

$623

momondo Fare Finder

Use the filters below to find and compare flights from St. Louis to Sault Ste. Marie that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisSault Ste. Marie

STL - CIU

STLCIU

Lambert-St Louis

Tue 8/25

8:30 pm-3:04 pm

1 stop17h 34m

Sault Ste. Marie Chippewa County

Sat 8/29

3:40 pm-9:22 pm

1 stop6h 42m

$475

St. LouisSault Ste. Marie

STL - CIU

STLCIU

Lambert-St Louis

Fri 6/5

7:22 am-2:43 pm

1 stop6h 21m

Sault Ste. Marie Chippewa County

Sun 6/7

3:18 pm-9:16 pm

1 stop6h 58m

$493

St. LouisSault Ste. Marie

STL - CIU

STLCIU

Lambert-St Louis

Tue 8/25

5:32 pm-3:04 pm

1 stop20h 32m

Sault Ste. Marie Chippewa County

Sat 8/29

3:40 pm-9:22 pm

1 stop6h 42m

$529

St. LouisSault Ste. Marie

STL - CIU

STLCIU

Lambert-St Louis

Tue 8/25

11:25 am-3:04 pm

1 stop26h 39m

Sault Ste. Marie Chippewa County

Sat 8/29

3:40 pm-9:22 pm

1 stop6h 42m

$539

St. LouisSault Ste. Marie

STL - CIU

STLCIU

Lambert-St Louis

Tue 8/25

4:40 pm-3:04 pm

2 stops21h 24m

Sault Ste. Marie Chippewa County

Sat 8/29

3:40 pm-9:22 pm

1 stop6h 42m

$544

St. LouisSault Ste. Marie

STL - CIU

STLCIU

Lambert-St Louis

Tue 8/25

9:00 am-3:04 pm

2 stops29h 04m

Sault Ste. Marie Chippewa County

Sat 8/29

3:40 pm-9:22 pm

1 stop6h 42m

$598

Quickest round-trip

St. LouisSault Ste. Marie

STL - CIU

STLCIU

Lambert-St Louis

Fri 8/14

2:18 pm-7:32 pm

1 stop4h 14m

Sault Ste. Marie Chippewa County

Tue 8/18

4:10 pm-8:31 pm

1 stop5h 21m

$608

St. LouisSault Ste. Marie

STL - CIU

STLCIU

Lambert-St Louis

Fri 8/14

2:18 pm-7:32 pm

1 stop4h 14m

Sault Ste. Marie Chippewa County

Tue 8/18

4:10 pm-11:37 pm

2 stops8h 27m

$618

St. LouisSault Ste. Marie

STL - CIU

STLCIU

Lambert-St Louis

Fri 8/14

9:00 am-7:32 pm

2 stops9h 32m

Sault Ste. Marie Chippewa County

Tue 8/18

4:10 pm-11:37 pm

2 stops8h 27m

$623

St. LouisSault Ste. Marie

STL - CIU

STLCIU

Lambert-St Louis

Tue 4/28

1:46 pm-7:18 pm

1 stop4h 32m

Sault Ste. Marie Chippewa County

Sat 5/2

7:00 am-11:39 am

1 stop5h 39m

$638

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

How to get the cheapest flight ticket from St. Louis to Sault Ste. Marie

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Lambert-St Louis to Sault Ste. Marie Chippewa County?

United Airlines is the most popular carrier operating from Lambert-St Louis to Sault Ste. Marie Chippewa County

When to book flights from St. Louis to Sault Ste. Marie

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Sault Ste. Marie according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap St. Louis to Sault Ste. Marie (STL to CIU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Sault Ste. Marie

Fastest flight time	4h 32m
Direct flights	None

The fastest flight from St. Louis to Sault Ste. Marie takes 4h 32m

There are no direct flights from St. Louis to Sault Ste. Marie. There are no popular flight routes from St. Louis to Sault Ste. Marie.

Search flight deals

Frequently asked questions about flying from St. Louis to Sault Ste. Marie

How far is Lambert-St Louis to Sault Ste. Marie Chippewa County by plane?
Lambert-St Louis and Sault Ste. Marie Chippewa County are 619.0 mi apart from one another. Flights usually cover this in 4h 32m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Lambert-St Louis Airport to Sault Ste. Marie Chippewa County Airport?
Prices for flights from Lambert-St Louis Airport to Sault Ste. Marie Chippewa County Airport are refreshed on a daily basis.
How old do you have to be to fly from Lambert-St Louis Airport to Sault Ste. Marie Chippewa County Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Sault Ste. Marie Chippewa County Airport.
What documentation or ID do you need to fly to Sault Ste. Marie Chippewa County Airport?
The travel and health documents required for your trip to Sault Ste. Marie Chippewa County 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 Sault Ste. Marie Chippewa County Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Sault Ste. Marie?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Sault Ste. Marie for you.

Can I find flights from St. Louis to Sault Ste. Marie with flexible booking policies on momondo?

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

How can momondo help me find flights from St. Louis to Sault Ste. Marie?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Sault Ste. Marie.

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

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