What airlines fly to Billings?

United Airlines, American Airlines and Delta 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 64% 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 October 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.

$244 Cheap Flights from St. Louis to Billings in 2025/26

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Find the cheapest flights from St. Louis to Billings

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:43 pm - 10:49 pmSTL-BIL

7h 06m1 stop

2:31 pm - 9:54 pmBIL-STL

6h 23m1 stop

$333United Airlines

Find Deal

Fri, Nov 14 - Wed, Nov 19

11:05 am - 9:18 pmSTL-BIL

11h 13m2 stops

7:00 am - 12:39 pmBIL-STL

4h 39m1 stop

$338United Airlines

Find Deal

Fri, Nov 14 - Wed, Nov 19

5:30 pm - 10:50 pmSTL-BIL

6h 20m1 stop

5:59 pm - 12:37 amBIL-STL

5h 38m1 stop

$366Delta

Find Deal

Fri, Mar 27 - Tue, Mar 31

2:55 pm - 1:15 pmSTL-BIL

23h 20m2 stops

7:40 am - 11:56 pmBIL-STL

15h 16m1 stop

$376Alaska Airlines

Find Deal

Fri, Feb 20 - Thu, Feb 26

4:14 pm - 1:20 pmSTL-BIL

22h 06m2 stops

3:36 pm - 2:27 pmBIL-STL

21h 51m2 stops

$383Alaska Airlines

Find Deal

Fri, Nov 14 - Fri, Dec 5

6:34 am - 11:02 amSTL-BIL

5h 28m1 stop

6:24 pm - 12:46 amBIL-STL

5h 22m1 stop

$390Delta

Find Deal

Fri, Nov 21 - Sat, Nov 22

3:14 pm - 10:49 pmSTL-BIL

8h 35m2 stops

5:00 am - 3:49 pmBIL-STL

9h 49m2 stops

$397United Airlines

Find Deal

Fri, Nov 14 - Wed, Nov 19

3:00 pm - 8:54 pmSTL-BIL

6h 54m1 stop

5:00 am - 3:21 pmBIL-STL

9h 21m2 stops

$461United Airlines

Find Deal

Fri, Mar 27 - Tue, Mar 31

5:26 pm - 12:32 amSTL-BIL

8h 06m1 stop

6:00 am - 4:26 pmBIL-STL

9h 26m1 stop

$482Alaska Airlines

Find Deal

Mon, Dec 22 - Mon, Dec 29

9:36 am - 10:54 pmSTL-BIL

14h 18m2 stops

6:00 am - 7:31 pmBIL-STL

12h 31m2 stops

$874American Airlines

Find Deal

Mon, Dec 22 - Mon, Dec 29

Alaska Airlines flights from St. Louis to Billings

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

Alaska Airlines

Feb 20

STL2:55 pmLambert-St Louis

23h 20m

2 stops

BIL1:15 pmBillings Logan Intl

Feb 26

BIL7:40 amBillings Logan Intl

15h 16m

1 stop

STL11:56 pmLambert-St Louis

$376

Find similar

Alaska Airlines

Nov 14

STL4:14 pmLambert-St Louis

22h 06m

2 stops

BIL1:20 pmBillings Logan Intl

Dec 5

BIL3:36 pmBillings Logan Intl

21h 51m

2 stops

STL2:27 pmLambert-St Louis

$383

Find similar

Alaska Airlines

Dec 22

STL5:26 pmLambert-St Louis

8h 06m

1 stop

BIL12:32 amBillings Logan Intl

Dec 29

BIL6:00 amBillings Logan Intl

9h 26m

1 stop

STL4:26 pmLambert-St Louis

$482

Find similar

Delta flights from St. Louis to Billings

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

Delta

Mar 27

STL5:30 pmLambert-St Louis

6h 20m

1 stop

BIL10:50 pmBillings Logan Intl

Mar 31

BIL5:59 pmBillings Logan Intl

5h 38m

1 stop

STL12:37 amLambert-St Louis

$366

Find similar

Delta

Nov 21

STL6:34 amLambert-St Louis

5h 28m

1 stop

BIL11:02 amBillings Logan Intl

Nov 22

BIL6:24 pmBillings Logan Intl

5h 22m

1 stop

STL12:46 amLambert-St Louis

$390

Find similar

Delta

Oct 29

STL11:21 amLambert-St Louis

12h 04m

2 stops

BIL10:25 pmBillings Logan Intl

Nov 2

BIL5:25 amBillings Logan Intl

7h 14m

1 stop

STL1:39 pmLambert-St Louis

$486

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

Fri 11/14

4:43 pm-10:49 pm

1 stop7h 06m

Billings Logan Intl

Wed 11/19

2:31 pm-9:54 pm

1 stop6h 23m

$333

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

Fri 11/14

11:05 am-9:18 pm

2 stops11h 13m

Billings Logan Intl

Wed 11/19

7:00 am-12:39 pm

1 stop4h 39m

$338

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

Fri 3/27

5:30 pm-10:50 pm

1 stop6h 20m

Billings Logan Intl

Tue 3/31

5:59 pm-12:37 am

1 stop5h 38m

$366

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

Fri 2/20

2:55 pm-1:15 pm

2 stops23h 20m

Billings Logan Intl

Thu 2/26

7:40 am-11:56 pm

1 stop15h 16m

$376

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

Fri 11/14

4:14 pm-1:20 pm

2 stops22h 06m

Billings Logan Intl

Fri 12/5

3:36 pm-2:27 pm

2 stops21h 51m

$383

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

Fri 11/21

6:34 am-11:02 am

1 stop5h 28m

Billings Logan Intl

Sat 11/22

6:24 pm-12:46 am

1 stop5h 22m

$390

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

Fri 11/14

3:14 pm-10:49 pm

2 stops8h 35m

Billings Logan Intl

Wed 11/19

5:00 am-3:49 pm

2 stops9h 49m

$397

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

Fri 3/27

3:00 pm-8:54 pm

1 stop6h 54m

Billings Logan Intl

Tue 3/31

5:00 am-3:21 pm

2 stops9h 21m

$461

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

Mon 12/22

5:26 pm-12:32 am

1 stop8h 06m

Billings Logan Intl

Mon 12/29

6:00 am-4:26 pm

1 stop9h 26m

$482

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

Mon 12/22

9:36 am-10:54 pm

2 stops14h 18m

Billings Logan Intl

Mon 12/29

6:00 am-7:31 pm

2 stops12h 31m

$874

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 $319. The month of September is another great option to travel to Billings, with average flight prices from St. Louis averaging around $389.

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

Direct flights	None

There are no direct flights from St. Louis to Billings. There are no popular flight routes from St. Louis to Billings.

Search flight deals

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 28m.
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 October 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 (61% of total bookings). The next most popular airlines are American Airlines (22%) and Delta (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
Delta	PriceFrom $278	Free Cancellation	Rating 7.9 7,984 reviews	Search Delta flights
United Airlines	PriceFrom $312	Free Cancellation	Rating 7.4 8,982 reviews	Search United Airlines flights
American Airlines	PriceFrom $371	Free Cancellation	Rating 7.2 11,043 reviews	Search American Airlines flights

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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.