Cheap flights from St. Louis to Billings from $261
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Billings departing on 4/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from St. Louis to Billings
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 month to fly to Billings?
The month of January is, on average, the cheapest month to fly to Billings from St. Louis, with most prices found around $278. The month of May is another great option to travel to Billings, with average flight prices from St. Louis averaging around $362.
What is the cheapest day to depart on your flight to Billings?
Our data shows that Tuesday is the least expensive day to fly to Billings. Tickets to fly out on this day can be as low as $362. Flights from St. Louis to Billings on a Monday will generally be more expensive and average around $476. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest airline that flies from Lambert-St Louis to Billings Logan Intl?
American Airlines, Delta, and United Airlines are the most popular carriers operating from Lambert-St Louis to Billings Logan Intl
What airlines fly to Billings?
United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Billings from St. Louis according to our data. United Airlines is the first choice among our users, with 57% of people opting to fly with this airline when traveling to Billings. Keep in mind that there are 3 different airlines that fly to Billings on a routine basis, so you have a few additional options to choose from.
When to book flights from St. Louis to Billings
Cheap St. Louis to Billings (STL to BIL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Billings
How far is Lambert-St Louis to Billings Logan Intl by plane?
Billings Logan Intl is 1055.0 mi away from Lambert-St Louis. A reasonable flight in good conditions will take 5h 58m.
When did momondo last update prices for flights from Lambert-St Louis Airport to Billings Logan Intl Airport?
Prices for flights from Lambert-St Louis Airport to Billings Logan Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Lambert-St Louis Airport to Billings Logan Intl Airport?
As of April 2025, there are 3 operators available to choose from for flights from Lambert-St Louis Airport to Billings Logan Intl Airport.
How old do you have to be to fly from Lambert-St Louis Airport to Billings Logan Intl 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 Billings Logan Intl Airport.
What documentation or ID do you need to fly to Billings Logan Intl Airport?
The travel and health documents required for your trip to Billings Logan Intl 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 Billings Logan Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from St. Louis to Billings?
Based on momondo bookings for this flight route, the most popular airline on flight routes from St. Louis to Billings is United Airlines (48% of total bookings). The next most popular airlines are Delta (36%) and American Airlines (16%).
Best airlines flying from St. Louis to Billings
Compare and see reviews for airlines that fly from St. Louis to Billings with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $236 | Free Cancellation | Rating 8.0 7,907 reviews | |||
| PriceFrom $268 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $278 | Free Cancellation | Rating 7.4 8,634 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from St. Louis to Billings?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Billings. momondo saves you time and could save you money on your trip.
Can I find flights from St. Louis to Billings with flexible booking policies on momondo?
Yes. All flights to Billings from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from St. Louis to Billings?
momondo helps you find the best flight between St. Louis and Billings by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from St. Louis to Billings right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Billings, momondo offers a useful price alert feature which will track prices for flights to Billings from St. Louis and alert you when they change.