C$313 Cheap Flights from St Louis (STL) to Billings (BIL)

Compare St Louis to Billings flight deals

Find the cheapest month or even day of the year to fly to Billings

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Flight deals from St Louis to Billings

Looking for a cheap last-minute deal or the best return flight from St Louis Airport to Billings Airport? If you want to travel next month, return fares start from C$474. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from St Louis to Billings

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like St Louis to Billings flights are currently cheapest in July.

St Louis to Billings: Alternative routes

Compare routes from St Louis to Billings below. You may find an airport to fly into that's cheaper, faster, or easier than Billings.

St Louis to Billings: Flight information

The things to know before you go.
Cheapest flight foundC$313
Cheapest month to flyJuly

Finding cheap flights from St Louis to Billings: Frequently asked questions

The best price we found for a return flight from St Louis to Billings is C$440. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from St Louis to Billings. But we found flights with one or more stops from C$440.
As of June 2026, there are no flights flying from St Louis to Billings.
The cheapest month to fly from St Louis to Billings is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Billings Airport on Friday, September 25, 2026.
No airlines currently offer direct flights between St Louis Airport and Billings Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Billings but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Billings is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta offers the cheapest flight tickets to Billings.

Traveling from Lambert-St. Louis International Airport (STL) to Billings Logan International Airport (BIL): what you need to know

  • If you're traveling during a public holiday or other peak period, give yourself extra time. A good general rule is two hours ahead of domestic flights and up to four hours before international departures. Lines at security and check-in will be longer.

  • If you'd like to break up your flight from Lambert-St. Louis International Airport to Billings Logan International Airport, add a stopover to your trip. Simply deselect 'Direct flights only' to find a destination that interests you. The top stopovers on the STL - BIL route include:

    • Denver International Airport

    • O'Hare International Airport

    • Dallas/Fort Worth International Airport

How to find the cheapest flights from Lambert-St. Louis International Airport (STL) to Billings Logan International Airport (BIL)

  • The lowest price we've seen for a one-way ticket from Lambert-St. Louis International Airport to Billings Logan International Airport is C$313. For a return flight on this route, the best price is C$440. Depending on the availability when you book, these fares can change.

  • To find cheap flight tickets from STL to BIL, book early. Airlines usually offer lower prices when flights are first released.

  • Getting cheap flight tickets from Lambert-St. Louis International Airport to Billings Logan International Airport is easier if you're flexible with your travel dates. Try using the 'Whole month' function to see the lowest fares across each month and land a great deal.

  • Finding a cheap ticket from STL to BIL is straightforward with Price Alerts. Simply create one of these automatic alerts and we'll get in touch as soon as the price has fallen.

  • Use filters to tailor your flights from Lambert-St. Louis International Airport to Billings Logan International Airport. Select your ideal arrival and departure times, airlines and number of stops. Or sort your results by 'Cheapest' to see the best deals.

Handy information about Lambert-St. Louis International Airport (STL)

  • Lambert-St. Louis International Airport is around 26 kilometres from central St Louis. If you're catching a cab, ride-sharing or driving from the center, it'll take you 21 minutes or so to get there, depending on traffic. If you're planning to take public transport, expect the journey time to be approximately 36 minutes.

  • Booked an early flight from Lambert-St. Louis International Airport to Billings Logan International Airport? Avoid the hassle of rushing to the terminal (and catch some extra z's) by picking one of these hotels near STL:

Arriving at Billings Logan International Airport (BIL)

Getting from Billings Logan International Airport (BIL) to central Billings

  • Billings Logan International Airport to central Billings takes around 8 minutes in a car. It's approximately 5 kilometres away. Discover what options are available, such as cabs, car rentals or ride-sharing services.

  • It'll take around 24 minutes if you're traveling on public transport.

When to fly to Billings Logan International Airport (BIL)

  • The quietest month for a flight from Lambert-St. Louis International Airport to Billings Logan International Airport is February, while July is the busiest. Pick the ideal time to visit Billings based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • Lock in your flight from Lambert-St. Louis International Airport to Billings Logan International Airport for July if you want to visit Billings during its warmest month. Expect temperatures of between 14ºC and 34ºC.

  • Look for cheap flight tickets from STL to BIL in February if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between -18ºC and 8ºC on average.

More about Billings

  • Start your Billings trip right by finding a great stay. Once you've booked your flight from STL to BIL, check out our selection of hotel options including:

  • Pictograph Cave State Park and Moss Mansion are just the start of the leading attractions to add to your Billings to-do list. Keep the sightseeing going at Yellowstone Art Museum.

Complete your Billings trip with hotels and a car rental

  • Once you've secured your cheap ticket to Billings Logan International Airport, discover our low prices and exclusive rates for hotels. You can also compare a range of car rental companies in one place to find the best car rental price for your Billings trip.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.