What is the cheapest airline that flies from Lambert-St Louis to Billings Logan Intl?

American Airlines and Delta 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 59% 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 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.

$231 Cheap Flights from St. Louis to Billings in 2025

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Find the cheapest flights from St. Louis to Billings

Round-trip

One-way

Cheap round-trip flights

These are some of the best round-trip flight deals from St. Louis to Billings that have been recently found on momondo from popular airlines, departing in the coming months.

5:20 am - 9:37 amSTL-BIL

5h 17m1 stop

5:54 pm - 11:59 pmBIL-STL

5h 05m1 stop

$313United Airlines

Find Deal

Wed, May 28 - Wed, Jun 4

6:30 am - 1:17 pmSTL-BIL

7h 47m2 stops

4:16 pm - 11:59 pmBIL-STL

6h 43m1 stop

$318United Airlines

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Wed, May 28 - Wed, Jun 4

10:48 am - 11:11 pmSTL-BIL

13h 23m2 stops

6:26 pm - 12:38 amBIL-STL

5h 12m1 stop

$351Delta

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Tue, Jul 1 - Tue, Jul 8

1:30 pm - 11:11 pmSTL-BIL

10h 41m2 stops

5:20 am - 4:42 pmBIL-STL

10h 22m2 stops

$356Delta

Find Deal

Tue, Jul 1 - Tue, Jul 8

7:23 am - 12:02 pmSTL-BIL

5h 39m1 stop

6:00 am - 11:51 pmBIL-STL

16h 51m1 stop

$374American Airlines

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Thu, Jul 10 - Sat, Jul 19

4:23 pm - 11:06 pmSTL-BIL

7h 43m1 stop

12:36 pm - 8:30 pmBIL-STL

6h 54m1 stop

$439American Airlines

Find Deal

Wed, Jun 11 - Mon, Jun 23

10:10 am - 9:31 pmSTL-BIL

36h 21m3 stops

12:20 pm - 9:15 amBIL-STL

19h 55m2 stops

$455

Find Deal

Thu, May 29 - Wed, Jun 4

10:10 am - 9:31 pmSTL-BIL

36h 21m3 stops

12:20 pm - 8:10 pmBIL-STL

30h 50m3 stops

$495

Find Deal

Thu, May 29 - Wed, Jun 4

6:52 am - 1:17 pmSTL-BIL

31h 25m2 stops

7:24 pm - 11:58 pmBIL-STL

27h 34m2 stops

$730Alaska Airlines

Find Deal

Wed, May 14 - Sun, May 18

5:27 pm - 3:05 pmSTL-BIL

22h 38m2 stops

3:45 pm - 9:18 amBIL-STL

16h 33m2 stops

$764Alaska Airlines

Find Deal

Fri, Jul 18 - Sun, Jul 20

United Airlines flights from St. Louis to Billings

Our best United Airlines deals on St. Louis to Billings flight tickets

United Airlines

May 28

STL5:20 amLambert-St Louis

5h 17m

1 stop

BIL9:37 amBillings Logan Intl

Jun 4

BIL5:54 pmBillings Logan Intl

5h 05m

1 stop

STL11:59 pmLambert-St Louis

$313

Find similar

United Airlines

May 28

STL6:30 amLambert-St Louis

7h 47m

2 stops

BIL1:17 pmBillings Logan Intl

Jun 4

BIL4:16 pmBillings Logan Intl

6h 43m

1 stop

STL11:59 pmLambert-St Louis

$318

Find similar

United Airlines

Oct 24

STL3:30 pmLambert-St Louis

8h 14m

2 stops

BIL10:44 pmBillings Logan Intl

Oct 28

BIL7:00 amBillings Logan Intl

7h 21m

2 stops

STL3:21 pmLambert-St Louis

$384

Find similar

Delta flights from St. Louis to Billings

Our best Delta deals on St. Louis to Billings flight tickets

Delta

Jul 1

STL10:48 amLambert-St Louis

13h 23m

2 stops

BIL11:11 pmBillings Logan Intl

Jul 8

BIL6:26 pmBillings Logan Intl

5h 12m

1 stop

STL12:38 amLambert-St Louis

$351

Find similar

Delta

Jul 1

STL1:30 pmLambert-St Louis

10h 41m

2 stops

BIL11:11 pmBillings Logan Intl

Jul 8

BIL5:20 amBillings Logan Intl

10h 22m

2 stops

STL4:42 pmLambert-St Louis

$356

Find similar

Delta

Jul 10

STL7:15 pmLambert-St Louis

5h 52m

1 stop

BIL12:07 amBillings Logan Intl

Jul 19

BIL6:20 amBillings Logan Intl

8h 58m

2 stops

STL4:18 pmLambert-St Louis

$381

Find similar

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

Prices

Airlines

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 August is another great option to travel to Billings, with average flight prices from St. Louis averaging around $369.

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 time of day to depart on your flight to Billings?

According to our data, the cheapest time of day to fly to Billings is in the afternoon. momondo users have found flights departing from St. Louis to Billings in the afternoon for as low as $369. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At noon is when there is more demand to fly to Billings, so prices are often more expensive at around $551 per ticket.

When to book flights from St. Louis to Billings

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Billings according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

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

Best Price Found	$231
Fastest flight time	5h 17m
Direct flights	None
Airports in Billings	1 airport

The best one-way flight to Billings from St. Louis in the past 72 hours is $231. The best round-trip flight deal from St. Louis to Billings found on momondo in the last 72 hours is $313.

The fastest flight from St. Louis to Billings takes 5h 17m

There are no direct flights from St. Louis to Billings. Popular non-direct route for this connection is Lambert-St Louis Airport - Billings Logan Intl Airport.

There is 1 airport near Billings: Billings Logan Intl (BIL)

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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 17m.
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 (51% of total bookings). The next most popular airlines are Delta (32%) and American Airlines (17%).

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
Delta	PriceFrom $236	Free Cancellation	Rating 8.0 7,935 reviews	Search Delta flights
American Airlines	PriceFrom $268	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $278	Free Cancellation	Rating 7.4 8,696 reviews	Search United Airlines flights

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.