Title: Cheap Flights from St. Louis (STL) to Sault Ste. Marie (YAM) - Expedia.ca ![MV Paul R. Tregurtha is a Great Lakes-based bulk carrier freighter. She is the current Queen of the Lakes, an unofficial but widely recognized title given to the longest vessel active on the Great Lakes. Length: 1,013′ Capacity: Iron ore: 68,000 long tons; Coal: 63,616 long tons](https://images.trvl-media.com/place/3276/a6553743-8459-47a9-9439-2461b93d7de1.jpg?impolicy=fcrop&w=1200&h=500&q=medium) Photo by Ann Sair ![](https://images.trvl-media.com/place/3276/a6553743-8459-47a9-9439-2461b93d7de1.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from St. Louis (STL) to Sault Ste. Marie (YAM) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Lambert-St. Louis International Airport (STL) to Sault Ste. Marie, ON (YAM-Sault Ste. Marie Airport) - ![Air Canada](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.ca/Flights-Search?leg1=from:stl,to:yam,departure:30/10/2025TANYT&leg2=from:yam,to:stl,departure:06/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![WestJet](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WS.svg) WestJet [](https://www.expedia.ca/Flights-Search?leg1=from:stl,to:yam,departure:30/10/2025TANYT&leg2=from:yam,to:stl,departure:06/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}]) - ![Flair Airlines](https://a.travel-assets.com/air/airlines/f8_sq.svg) Flair Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:stl,to:yam,departure:30/10/2025TANYT&leg2=from:yam,to:stl,departure:06/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F8"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:stl,to:yam,departure:30/10/2025TANYT&leg2=from:yam,to:stl,departure:06/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:stl,to:yam,departure:30/10/2025TANYT&leg2=from:yam,to:stl,departure:06/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:stl,to:yam,departure:30/10/2025TANYT&leg2=from:yam,to:stl,departure:06/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![Porter Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_PD.svg) Porter Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:stl,to:yam,departure:30/10/2025TANYT&leg2=from:yam,to:stl,departure:06/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"PD"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) Flight from St. Louis to Sault Ste. Marie (STL - YAM) route information | Origin airport | Lambert-St. Louis Intl. | | --- | --- | | Destination airport | Sault Ste. Marie Airport | | Distance | 979 km | ## St. Louis to Sault Ste. Marie Flights **The easy way to book your flights from St. Louis to Sault Ste. Marie**  With Expedia, it’s simple to find and book flights to Sault Ste. Marie from St. Louis whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Sault Ste. Marie Airport, too.   Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from St. Louis to Sault Ste. Marie today, tomorrow, or this week.   **Save dollars with cheap flights from Lambert-St. Louis Intl., STL to Sault Ste. Marie Airport, YAM**  Sort your search results by price to find great deals on your flight from St. Louis to Sault Ste. Marie—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Sault Ste. Marie from St. Louis currently is just rising to .   Here are more money-saving tips:  - Fly in when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Sault Ste. Marie   - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times  - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!  **Reasons to choose Expedia for your flight to Sault Ste. Marie from St. Louis**  Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Sault Ste. Marie with Expedia today. ## Frequently asked questions ### How much is a flight from STL to Sault Ste. Marie Airport Airport? > Based on airfares listed within the last 7 days on Expedia for flights departing within the next year, round-trip journeys between Lambert Field and Sault Ste. Marie Airport Airport start from . Book now to secure the best price for your journey. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Lambert-St. Louis Intl. Airport (STL) to Sault Ste. Marie Airport Airport (YAM)? > We understand that circumstances change unexpectedly, so we've made it as simple as possible for you to cancel your trip online. Just visit the [Customer Service Portal](https://www.expedia.ca/helpcenter) and follow the instructions. ### How do I find cheap flights from Lambert Field to YAM that have flexible change policies? > Many airlines will allow you to reschedule your flight at no extra charge. All you pay is any additional cost for the new flight. When searching for Lambert Field to YAM flights, you'll see a "No change fees" box for you to tick. ### How many hours is the flight from Lambert-St. Louis Intl. Airport (STL) to Sault Ste. Marie Airport Airport (YAM)? > The flight time from Lambert-St. Louis Intl. Airport (STL) to Sault Ste. Marie Airport Airport (YAM) is about 3 hours and 22 minutes. Put your headphones on, listen to your favourite podcast and your trip will fly by. ### How far is the flight from Lambert Field to YAM? > A flight distance of just 990 kilometres separates St. Louis and Sault Ste. Marie. Once you're up in the air, you won't get a chance to do much more than read the magazine in your seat pocket. ### Which airlines fly direct from STL to YAM? > If you want to travel straight from Lambert-St. Louis Intl. Airport (STL) to Sault Ste. Marie Airport Airport, you'll need to book a flight with at least one stop. Unfortunately, there are no airlines that fly directly between these airports. ### Are Lambert-St. Louis Intl. Airport (STL) to Sault Ste. Marie Airport Airport flight tickets cheaper when they're purchased at the last minute? > Booking your trip from Lambert Field to Sault Ste. Marie Airport Airport at the last minute could be your ticket to a cheap deal. However, it could end up costing you a whole lot more! If you'd rather not take any chances, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to 12 months in advance. If your preferred carrier hasn't released tickets yet, check back regularly as deals are updated all the time on Expedia. ## Explore a world of travel with Expedia - Flights ### Flights - [Flights from Duluth to Sault Ste. Marie](https://www.expedia.ca/lp/flights/1029/3885/duluth-to-sault-ste-marie) - [Flights from Terrace Bay to Sault Ste. Marie](https://www.expedia.ca/lp/flights/10614/3885/terrace-bay-to-sault-ste-marie) - [Flights from Ignace to Sault Ste. Marie](https://www.expedia.ca/lp/flights/10686/3885/ignace-to-sault-ste-marie) - [Flights from Elmira to Sault Ste. Marie](https://www.expedia.ca/lp/flights/1128/3885/elmira-to-sault-ste-marie) - [Flights from Exeter to Sault Ste. Marie](https://www.expedia.ca/lp/flights/1185/3885/exeter-to-sault-ste-marie) - [Flights from Great Falls to Sault Ste. 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