Cheap Flights from St Louis to Billings

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 ج.م.‏ 16,470. 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 June.

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 foundج.م.‏ 10,489
Cheapest month to flyJune

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 ج.م.‏ 16,470. 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 ج.م.‏ 16,470.
As of April 2026, there are no flights flying from St Louis to Billings.
The cheapest month to fly from St Louis to Billings is usually May.
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 Tuesday, 5 May 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, Frontier Airlines offers the cheapest flight tickets to Billings.

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

  • Your STL to BIL flight won't wait if you're running late, so get to the airport with time to spare. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

  • During popular months such as July, it's a good idea to get to the airport earlier. Arrive two hours before a domestic departure and four hours ahead for international flights whenever you're travelling during a high season in general.

  • Consider adding a stopover when booking your ticket from Lambert-St. Louis International Airport to Billings Logan International Airport. Simply deselect 'Direct flights only' to break up your journey, or perhaps see a new city along the way. Here's where you can stop between STL and BIL:

    • Minneapolis-St. Paul International Airport

    • Denver 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)

  • Right now, ج.م.‏ 10,489 is the lowest price we've found for a one-way Lambert-St. Louis International Airport to Billings Logan International Airport flight. The best price for a return ticket is ج.م.‏ 16,470. Remember that fares may change due to demand when booking.

  • Don't leave everything to the last minute. You're more likely to find cheap tickets from STL to BIL if you book ahead. Airlines often offer some fantastic early bird deals.

  • The 'Whole month' tool shows you the cheapest flights from Lambert-St. Louis International Airport to Billings Logan International Airport throughout the entire month. It's an easy way to find a bargain if your plans are flexible.

  • Picking up cheap flights from STL to BIL is a cinch with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you when a new discounted fare appears.

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

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

Arriving at Billings Logan International Airport (BIL)

  • The last thing you need is a long journey to your hotel if you're landing late on a Lambert-St. Louis International Airport to Billings Logan International Airport flight. Reserve one of these accommodation options near BIL instead:

  • Travel at your own speed with a Billings Logan International Airport rental car. Pick up your wheels from Alamo, Budget or Rent a Wreck and see more of Billings and beyond.

  • Increase your chances of getting the best rate by booking early. Reserving your vehicle from Billings Logan International Airport several weeks in advance is a smart idea.

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

  • The street address for BIL is 1901 Terminal Circle, Room 216.

  • Billings Logan International Airport is approximately 5 kilometres from the centre of Billings. The drive time takes about 10 minutes.

  • It typically takes 25 minutes if you're travelling 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 most popular. Choose the best time to go to Billings based on whether you prefer a more relaxed vibe or a faster pace.

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

  • February has average temperatures of between -18ºC and 8ºC. Look for cheap tickets from STL to BIL around that time if you want to travel when it's cooler.

Explore more of United States

  • Rapid City is just one of the many places in United States waiting to be explored once you've seen the sights of Billings. Around 451 kilometres away to the south-east, its top attractions include Dinosaur Park, Storybook Island and Museum of Geology.

  • If you're eager to discover another major destination in United States, head for Missoula, roughly 434 kilometres west of Billings. A Carousel for Missoula, Brennan's Wave and Missoula Art Museum are among the biggest draws.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.