Title: Cheap Flights from St. Louis (STL) to Billings (BIL) - Expedia.ca ![](https://images.trvl-media.com/place/583/2f224b32-a8bd-461c-b894-ba4b8bc4e680.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/583/2f224b32-a8bd-461c-b894-ba4b8bc4e680.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from St. Louis (STL) to Billings (BIL) - [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 Billings Logan Intl. Airport (BIL) - ![Alaska Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:stl,to:bil,departure:22/11/2025TANYT&leg2=from:bil,to:stl,departure:29/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![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:bil,departure:22/11/2025TANYT&leg2=from:bil,to:stl,departure:29/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![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:bil,departure:22/11/2025TANYT&leg2=from:bil,to:stl,departure:29/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![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:bil,departure:22/11/2025TANYT&leg2=from:bil,to:stl,departure:29/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Hawaiian Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_HA.svg) Hawaiian Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:stl,to:bil,departure:22/11/2025TANYT&leg2=from:bil,to:stl,departure:29/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"HA"}}]) - ![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) ## Find the cheapest month to fly from St. Louis (STL) to Billings (BIL) ### September is typically the cheapest month to fly From CA $411 - CA $893 per traveller. Flight from St. Louis to Billings (STL - BIL) route information | Origin airport | Lambert-St. Louis Intl. | | --- | --- | | Destination airport | Logan Intl. | | Distance | 1673 km | ## St. Louis to Billings Flights **The easy way to book your flights from St. Louis to Billings**  With Expedia, it’s simple to find and book flights to Billings 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 Logan Intl., 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 Billings today, tomorrow, or this week.   **Save dollars with cheap flights from Lambert-St. Louis Intl., STL to Logan Intl., BIL**  Sort your search results by price to find great deals on your flight from St. Louis to Billings—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Billings 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 Billings   - 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 Billings 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 Billings with Expedia today. ## Frequently asked questions ### How much is a flight from STL to Billings Logan International Airport? > Round-trip journeys between Lambert-St. Louis Intl. Airport (STL) and BIL start from . This is based on fares quoted within the last 7 days on Expedia for flights departing within the next year — book now so you don't miss out. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from STL to BIL? > This can differ between air carriers, as each one has its own terms and conditions. Visit the [Customer Service Portal](https://www.expedia.ca/helpcenter), where there are simple instructions on how to cancel your flight online. ### How do I find cheap flights from Lambert-St. Louis Intl. Airport (STL) to BIL that have flexible change policies? > Flights from STL to BIL with flexible change policies are available with many carriers. Simply use our "No change fees" filter when searching. You'll only need to cover the cost difference between the two flights, with no extra fees to worry about. ### How many hours is the flight from Lambert Field to BIL? > You may like to bring your own in-flight entertainment, as it takes about 5 hours and 11 minutes to arrive at Billings Logan International Airport from STL. A pair of noise-cancelling headphones will also be useful. ### How far is the flight from Lambert-St. Louis Intl. Airport (STL) to BIL? > The flight distance between STL and BIL is 1,700 kilometres. Bring along a snack, a drink and an interesting book to read. Keep yourself busy in the air and the hours will fly by. ### Which airlines fly direct from Lambert-St. Louis Intl. Airport (STL) to Billings Logan International Airport? > Flying directly between Lambert Field and Billings Logan International Airport isn't possible at present. However, you'll still be able to book a flight to Billings with at least one stop. ### Are STL to BIL flight tickets cheaper when they're purchased at the last minute? > Last-minute planners can sometimes nab a bargain, with some super cheap airfares from Lambert Field to Billings Logan International Airport surfacing a few weeks prior to the departure date. If you'd rather plan ahead, Expedia compares and updates the best flight deals regularly — as early as a year in advance in some cases. It does depend on the carrier though, as not all airlines publish prices that far in advance. ## Explore a world of travel with Expedia \*Available to Expedia members.