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 65% 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.

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

Delta, American Airlines, and United Airlines are the most popular carriers operating from Lambert-St Louis to Billings Logan Intl

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 2026, 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.

$188 Cheap Flights from St. Louis to Billings in 2026

Q: What is the typical price of a round-trip flight between St. Louis and Billings?

Prices are currently low for flights on this route. Typical prices usually range from $691 to $505. The lowest price recently found on this route was $339.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

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.

5:36 pm - 11:14 pm

STL

BIL

6h 38m

1 stop

6:30 am - 2:31 pm

BIL

STL

7h 01m

1 stop

$339Delta

週四, 5月 28 - 週二, 6月 2

5:36 pm - 11:14 pm

STL

BIL

6h 38m

1 stop

11:34 am - 11:59 pm

BIL

STL

11h 25m

2 stops

$344Delta

週四, 5月 28 - 週二, 6月 2

10:19 am - 10:52 pm

STL

BIL

13h 33m

2 stops

11:34 am - 11:59 pm

BIL

STL

11h 25m

2 stops

$349Delta

週四, 5月 28 - 週二, 6月 2

4:06 pm - 8:57 pm

STL

BIL

5h 51m

1 stop

2:30 pm - 8:43 pm

BIL

STL

5h 13m

1 stop

$369United Airlines

週二, 5月 12 - 週六, 5月 16

6:00 am - 12:12 pm

STL

BIL

7h 12m

1 stop

12:42 pm - 8:30 pm

BIL

STL

6h 48m

1 stop

$371American Airlines

週一, 5月 25 - 週二, 6月 2

5:36 pm - 11:14 pm

STL

BIL

6h 38m

1 stop

11:34 am - 11:59 pm

BIL

STL

11h 25m

2 stops

$374Delta

週二, 5月 12 - 週六, 5月 16

1:59 pm - 10:52 pm

STL

BIL

9h 53m

2 stops

5:30 am - 6:00 pm

BIL

STL

11h 30m

2 stops

$379Delta

週二, 5月 12 - 週六, 5月 16

4:19 pm - 11:37 pm

STL

BIL

8h 18m

2 stops

5:18 am - 3:16 pm

BIL

STL

8h 58m

2 stops

$381Delta

週三, 6月 10 - 週三, 6月 17

5:36 pm - 11:00 pm

STL

BIL

6h 24m

1 stop

5:20 am - 1:33 pm

BIL

STL

7h 13m

1 stop

$386Delta

週五, 7月 3 - 週二, 7月 14

4:19 pm - 11:37 pm

STL

BIL

8h 18m

2 stops

5:18 am - 1:36 pm

BIL

STL

7h 18m

1 stop

$391Delta

週三, 6月 10 - 週三, 6月 17

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United Airlines flights from St. Louis to Billings

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

United Airlines

May 12

STL4:06 pmLambert-St Louis

5h 51m

1 stop

BIL8:57 pmBillings Logan Intl

May 16

BIL2:30 pmBillings Logan Intl

5h 13m

1 stop

STL8:43 pmLambert-St Louis

$369

United Airlines

Aug 23

STL5:10 amLambert-St Louis

5h 31m

1 stop

BIL9:41 amBillings Logan Intl

Aug 28

BIL7:00 amBillings Logan Intl

4h 40m

1 stop

STL12:40 pmLambert-St Louis

$411

United Airlines

May 29

STL6:00 amLambert-St Louis

16h 17m

2 stops

BIL9:17 pmBillings Logan Intl

May 31

BIL4:10 pmBillings Logan Intl

6h 47m

1 stop

STL11:57 pmLambert-St Louis

$434

American Airlines flights from St. Louis to Billings

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

American Airlines

May 25

STL6:00 amLambert-St Louis

7h 12m

1 stop

BIL12:12 pmBillings Logan Intl

Jun 2

BIL12:42 pmBillings Logan Intl

6h 48m

1 stop

STL8:30 pmLambert-St Louis

$371

American Airlines

Jun 10

STL6:00 amLambert-St Louis

7h 10m

1 stop

BIL12:10 pmBillings Logan Intl

Jun 17

BIL12:44 pmBillings Logan Intl

6h 42m

1 stop

STL8:26 pmLambert-St Louis

$403

American Airlines

May 25

STL6:00 amLambert-St Louis

7h 12m

1 stop

BIL12:12 pmBillings Logan Intl

Jun 2

BIL6:00 amBillings Logan Intl

12h 36m

1 stop

STL7:36 pmLambert-St Louis

$408

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

週四 5/28

5:36 pm-11:14 pm

1 stop6h 38m

Billings Logan Intl

週二 6/2

6:30 am-2:31 pm

1 stop7h 01m

$339

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

週四 5/28

5:36 pm-11:14 pm

1 stop6h 38m

Billings Logan Intl

週二 6/2

11:34 am-11:59 pm

2 stops11h 25m

$344

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

週四 5/28

10:19 am-10:52 pm

2 stops13h 33m

Billings Logan Intl

週二 6/2

11:34 am-11:59 pm

2 stops11h 25m

$349

Quickest round-trip

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

週二 5/12

4:06 pm-8:57 pm

1 stop5h 51m

Billings Logan Intl

週六 5/16

2:30 pm-8:43 pm

1 stop5h 13m

$369

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

週一 5/25

6:00 am-12:12 pm

1 stop7h 12m

Billings Logan Intl

週二 6/2

12:42 pm-8:30 pm

1 stop6h 48m

$371

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

週二 5/12

5:36 pm-11:14 pm

1 stop6h 38m

Billings Logan Intl

週六 5/16

11:34 am-11:59 pm

2 stops11h 25m

$374

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

週二 5/12

1:59 pm-10:52 pm

2 stops9h 53m

Billings Logan Intl

週六 5/16

5:30 am-6:00 pm

2 stops11h 30m

$379

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

週三 6/10

4:19 pm-11:37 pm

2 stops8h 18m

Billings Logan Intl

週三 6/17

5:18 am-3:16 pm

2 stops8h 58m

$381

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

週五 7/3

5:36 pm-11:00 pm

1 stop6h 24m

Billings Logan Intl

週二 7/14

5:20 am-1:33 pm

1 stop7h 13m

$386

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

週三 6/10

4:19 pm-11:37 pm

2 stops8h 18m

Billings Logan Intl

週三 6/17

5:18 am-1:36 pm

1 stop7h 18m

$391

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted 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 typical price of a round-trip flight between St. Louis and Billings?

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 $0. The month of November is another great option to travel to Billings, with average flight prices from St. Louis averaging around $332.

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

Fastest flight time	5h 25m
Direct flights	None

The fastest flight from St. Louis to Billings takes 5h 25m

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

Search flight deals

Frequently asked questions about flying 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 25m.
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 2026, 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 (57% of total bookings). The next most popular airlines are Delta (27%) 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
Delta	PriceFrom $322	Free Cancellation	Rating 7.9 8,467 reviews	Search Delta flights
United Airlines	PriceFrom $332	Free Cancellation	Rating 7.4 9,672 reviews	Search United Airlines flights
American Airlines	PriceFrom $385	Free Cancellation	Rating 7.1 11,677 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.