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 68% 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?

American Airlines and Alaska 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 August 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.

$266 Cheap Flights from St. Louis to Billings in 2026

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.

4:40 pm - 9:00 pm

STL

BIL

5h 20m

1 stop

2:29 pm - 8:39 pm

BIL

STL

5h 10m

1 stop

$329United Airlines

Wed, Sep 16 - Wed, Sep 23

5:47 pm - 11:15 pm

STL

BIL

6h 28m

1 stop

6:33 pm - 12:44 am

BIL

STL

5h 11m

1 stop

$329Delta

Thu, Sep 17 - Mon, Sep 21

5:34 pm - 11:30 pm

STL

BIL

6h 56m

1 stop

6:25 pm - 12:41 am

BIL

STL

5h 16m

1 stop

$329Delta

Mon, Aug 17 - Tue, Aug 25

5:34 pm - 11:30 pm

STL

BIL

6h 56m

1 stop

6:25 pm - 8:08 am

BIL

STL

12h 43m

2 stops

$334Delta

Mon, Aug 17 - Tue, Aug 25

4:40 pm - 10:07 pm

STL

BIL

6h 27m

1 stop

2:29 pm - 8:46 pm

BIL

STL

5h 17m

1 stop

$349United Airlines

Fri, Aug 28 - Fri, Sep 4

12:59 pm - 10:07 pm

STL

BIL

10h 08m

2 stops

2:29 pm - 8:46 pm

BIL

STL

5h 17m

1 stop

$354United Airlines

Fri, Aug 28 - Fri, Sep 4

10:20 am - 4:21 pm

STL

BIL

31h 01m

2 stops

5:22 pm - 11:32 am

BIL

STL

17h 10m

1 stop

$376Multiple Airlines

Thu, Sep 17 - Mon, Sep 21

2:54 pm - 8:40 pm

STL

BIL

6h 46m

1 stop

1:23 pm - 10:01 pm

BIL

STL

7h 38m

1 stop

$399American Airlines

Mon, Nov 16 - Mon, Nov 23

10:20 am - 4:21 pm

STL

BIL

31h 01m

2 stops

5:22 pm - 11:32 am

BIL

STL

17h 10m

1 stop

$401Multiple Airlines

Thu, Sep 17 - Mon, Sep 21

6:00 am - 11:50 am

STL

BIL

6h 50m

1 stop

1:13 pm - 7:43 pm

BIL

STL

5h 30m

1 stop

$790American Airlines

Fri, Sep 4 - Fri, Sep 4

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Delta flights from St. Louis to Billings

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

Delta

Sep 17

STL5:47 pmLambert-St Louis

6h 28m

1 stop

BIL11:15 pmBillings Logan Intl

Sep 21

BIL6:33 pmBillings Logan Intl

5h 11m

1 stop

STL12:44 amLambert-St Louis

$329

Delta

Aug 17

STL5:34 pmLambert-St Louis

6h 56m

1 stop

BIL11:30 pmBillings Logan Intl

Aug 25

BIL6:25 pmBillings Logan Intl

12h 43m

2 stops

STL8:08 amLambert-St Louis

$334

Delta

Nov 16

STL10:00 amLambert-St Louis

13h 22m

2 stops

BIL10:22 pmBillings Logan Intl

Nov 23

BIL5:45 amBillings Logan Intl

9h 49m

2 stops

STL4:34 pmLambert-St Louis

$359

United Airlines flights from St. Louis to Billings

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

United Airlines

Aug 28

STL4:40 pmLambert-St Louis

6h 27m

1 stop

BIL10:07 pmBillings Logan Intl

Sep 4

BIL2:29 pmBillings Logan Intl

5h 17m

1 stop

STL8:46 pmLambert-St Louis

$349

United Airlines

Aug 28

STL12:59 pmLambert-St Louis

10h 08m

2 stops

BIL10:07 pmBillings Logan Intl

Sep 4

BIL2:29 pmBillings Logan Intl

5h 17m

1 stop

STL8:46 pmLambert-St Louis

$354

United Airlines

Aug 11

STL4:40 pmLambert-St Louis

5h 20m

1 stop

BIL9:00 pmBillings Logan Intl

Aug 15

BIL7:00 amBillings Logan Intl

4h 40m

1 stop

STL12:40 pmLambert-St Louis

$379

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

Wed 9/16

4:40 pm-9:00 pm

1 stop5h 20m

Billings Logan Intl

Wed 9/23

2:29 pm-8:39 pm

1 stop5h 10m

$329

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

Thu 9/17

5:47 pm-11:15 pm

1 stop6h 28m

Billings Logan Intl

Mon 9/21

6:33 pm-12:44 am

1 stop5h 11m

$329

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

Mon 8/17

5:34 pm-11:30 pm

1 stop6h 56m

Billings Logan Intl

Tue 8/25

6:25 pm-12:41 am

1 stop5h 16m

$329

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

Mon 8/17

5:34 pm-11:30 pm

1 stop6h 56m

Billings Logan Intl

Tue 8/25

6:25 pm-8:08 am

2 stops12h 43m

$334

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

Fri 8/28

4:40 pm-10:07 pm

1 stop6h 27m

Billings Logan Intl

Fri 9/4

2:29 pm-8:46 pm

1 stop5h 17m

$349

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

Fri 8/28

12:59 pm-10:07 pm

2 stops10h 08m

Billings Logan Intl

Fri 9/4

2:29 pm-8:46 pm

1 stop5h 17m

$354

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

Thu 9/17

10:20 am-4:21 pm

2 stops31h 01m

Billings Logan Intl

Mon 9/21

5:22 pm-11:32 am

1 stop17h 10m

$376

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

Mon 11/16

2:54 pm-8:40 pm

1 stop6h 46m

Billings Logan Intl

Mon 11/23

1:23 pm-10:01 pm

1 stop7h 38m

$399

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

Thu 9/17

10:20 am-4:21 pm

2 stops31h 01m

Billings Logan Intl

Mon 9/21

5:22 pm-11:32 am

1 stop17h 10m

$401

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

Fri 9/4

6:00 am-11:50 am

1 stop6h 50m

Billings Logan Intl

Fri 9/4

1:13 pm-7:43 pm

1 stop5h 30m

$790

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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?

Prices are currently low for flights on this route.

Typical prices usually range from $386 to $566.
The lowest price recently found on this route was $329.

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 14m
Direct flights	None

The fastest flight from St. Louis to Billings takes 5h 14m

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 14m.
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 August 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 (62% of total bookings). The next most popular airlines are Delta (23%) and American Airlines (15%).

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 $332	Free Cancellation	Rating 7.8 8,497 reviews	Search Delta flights
United Airlines	PriceFrom $338	Free Cancellation	Rating 7.4 10,062 reviews	Search United Airlines flights
American Airlines	PriceFrom $386	Free Cancellation	Rating 7.1 11,845 reviews	Search American Airlines flights

Forsyth

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.