Cheap flights from Billings to St. Louis from $157
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Billings to St. Louis departing on 7/25. 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 Billings to St. Louis
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 day to depart on your flight to St. Louis?
The cheapest day to depart on your flight to St. Louis is on a Thursday when prices can be found for as low as $268. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $530. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.
What is the cheapest time of day to depart on your flight to St. Louis?
Flying to St. Louis from Billings in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $264 when looking at flights departing in the afternoon. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $540 per ticket.
When to book flights from Billings to St. Louis
Cheap Billings to St. Louis (BIL to STL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Billings to St. Louis
How far is Billings Logan Intl to Lambert-St Louis by plane?
Lambert-St Louis is 1055.0 mi away from Billings Logan Intl. A reasonable flight in good conditions will take 5h 00m.
When did momondo last update prices for flights from Billings Logan Intl Airport to Lambert-St Louis Airport?
Prices for flights from Billings Logan Intl Airport to Lambert-St Louis Airport are updated daily.
How many operators does momondo search for flights from Billings Logan Intl Airport to Lambert-St Louis Airport?
The number of operators available for flights from Billings Logan Intl Airport to Lambert-St Louis Airport is 2 as of June 2025.
How old do you have to be to fly from Billings Logan Intl Airport to Lambert-St Louis Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Billings Logan Intl Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Billings to St. Louis?
momondo data reveals that the most frequently booked airline on the route from Billings to St. Louis is Delta, representing 56% of all bookings. The subsequent popular airline is United Airlines at 44%.
Best airlines flying from Billings to St. Louis
Compare and see reviews for airlines that fly from Billings to St. Louis with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $212 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom $258 | Free Cancellation | Rating 7.4 8,790 reviews |
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Why should I use momondo to find a flight deal from Billings to St. Louis?
It is quick and easy to find Billings to St. Louis flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to St. Louis that suits you.
Can I find flights from Billings to St. Louis with flexible booking policies on momondo?
Flights from Billings to St. Louis with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Billings to St. Louis?
Once all potential Billings to St. Louis flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Billings to St. Louis right now. Can momondo alert me if prices change?
If you are simply researching potential flights to St. Louis, momondo offers a useful price alert feature which will track prices for flights to St. Louis from Billings and alert you when they change.