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 69% 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 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 June 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.

$258 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 $938 to $458. The lowest price recently found on this route was $390.

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.

5:10 am - 9:36 am

STL

BIL

5h 26m

1 stop

6:00 pm - 11:57 pm

BIL

STL

4h 57m

1 stop

$390United Airlines

ven., juil. 10 - mer., juil. 15

3:57 pm - 8:02 pm

STL

BIL

5h 05m

1 stop

5:20 am - 1:33 pm

BIL

STL

7h 13m

1 stop

$399Delta

sam., juil. 4 - sam., juil. 11

4:30 pm - 10:41 pm

STL

BIL

7h 11m

1 stop

5:00 am - 12:43 pm

BIL

STL

6h 43m

1 stop

$409United Airlines

mer., oct. 28 - sam., oct. 31

9:23 am - 8:51 pm

STL

BIL

12h 28m

2 stops

2:40 pm - 8:59 pm

BIL

STL

5h 19m

1 stop

$414United Airlines

mer., oct. 28 - sam., oct. 31

4:48 pm - 9:17 pm

STL

BIL

5h 29m

1 stop

6:00 pm - 11:57 pm

BIL

STL

4h 57m

1 stop

$418United Airlines

ven., juil. 3 - jeu., juil. 9

10:23 am - 8:51 pm

STL

BIL

11h 28m

2 stops

5:00 am - 3:38 pm

BIL

STL

9h 38m

2 stops

$419United Airlines

mer., oct. 28 - sam., oct. 31

5:10 am - 9:36 am

STL

BIL

5h 26m

1 stop

6:00 pm - 11:57 pm

BIL

STL

4h 57m

1 stop

$423United Airlines

ven., juil. 10 - lun., juil. 13

8:25 am - 8:51 pm

STL

BIL

13h 26m

2 stops

5:00 am - 12:43 pm

BIL

STL

6h 43m

1 stop

$424United Airlines

mer., oct. 28 - sam., oct. 31

10:16 am - 8:02 pm

STL

BIL

10h 46m

2 stops

5:20 am - 1:33 pm

BIL

STL

7h 13m

1 stop

$429Delta

sam., juil. 4 - sam., juil. 11

4:48 pm - 9:17 pm

STL

BIL

5h 29m

1 stop

2:25 pm - 8:43 pm

BIL

STL

5h 18m

1 stop

$433United Airlines

mar., juil. 7 - mar., juil. 14

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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

Jul 10

STL5:10 amLambert-St Louis

5h 26m

1 stop

BIL9:36 amBillings Logan Intl

Jul 15

BIL6:00 pmBillings Logan Intl

4h 57m

1 stop

STL11:57 pmLambert-St Louis

$390

United Airlines

Oct 28

STL4:30 pmLambert-St Louis

7h 11m

1 stop

BIL10:41 pmBillings Logan Intl

Oct 31

BIL5:00 amBillings Logan Intl

6h 43m

1 stop

STL12:43 pmLambert-St Louis

$409

United Airlines

Oct 28

STL9:23 amLambert-St Louis

12h 28m

2 stops

BIL8:51 pmBillings Logan Intl

Oct 31

BIL2:40 pmBillings Logan Intl

5h 19m

1 stop

STL8:59 pmLambert-St Louis

$414

Alaska Airlines flights from St. Louis to Billings

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

Alaska Airlines

Aug 19

STL6:08 pmLambert-St Louis

30h 21m

2 stops

BIL11:29 pmBillings Logan Intl

Aug 21

BIL7:21 pmBillings Logan Intl

20h 49m

2 stops

STL5:10 pmLambert-St Louis

$674

Alaska Airlines

Jul 3

STL7:56 pmLambert-St Louis

20h 07m

2 stops

BIL3:03 pmBillings Logan Intl

Jul 9

BIL7:22 pmBillings Logan Intl

20h 15m

2 stops

STL4:37 pmLambert-St Louis

$738

Alaska Airlines

Jul 8

STL7:56 pmLambert-St Louis

20h 07m

2 stops

BIL3:03 pmBillings Logan Intl

Jul 12

BIL3:43 pmBillings Logan Intl

23h 54m

1 stop

STL4:37 pmLambert-St Louis

$801

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

ven. 7/10

5:10 am-9:36 am

1 stop5h 26m

Billings Logan Intl

mer. 7/15

6:00 pm-11:57 pm

1 stop4h 57m

$390

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

sam. 7/4

3:57 pm-8:02 pm

1 stop5h 05m

Billings Logan Intl

sam. 7/11

5:20 am-1:33 pm

1 stop7h 13m

$399

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

mer. 10/28

4:30 pm-10:41 pm

1 stop7h 11m

Billings Logan Intl

sam. 10/31

5:00 am-12:43 pm

1 stop6h 43m

$409

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

mer. 10/28

9:23 am-8:51 pm

2 stops12h 28m

Billings Logan Intl

sam. 10/31

2:40 pm-8:59 pm

1 stop5h 19m

$414

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

ven. 7/3

4:48 pm-9:17 pm

1 stop5h 29m

Billings Logan Intl

jeu. 7/9

6:00 pm-11:57 pm

1 stop4h 57m

$418

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

mer. 10/28

10:23 am-8:51 pm

2 stops11h 28m

Billings Logan Intl

sam. 10/31

5:00 am-3:38 pm

2 stops9h 38m

$419

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

ven. 7/10

5:10 am-9:36 am

1 stop5h 26m

Billings Logan Intl

lun. 7/13

6:00 pm-11:57 pm

1 stop4h 57m

$423

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

mer. 10/28

8:25 am-8:51 pm

2 stops13h 26m

Billings Logan Intl

sam. 10/31

5:00 am-12:43 pm

1 stop6h 43m

$424

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

sam. 7/4

10:16 am-8:02 pm

2 stops10h 46m

Billings Logan Intl

sam. 7/11

5:20 am-1:33 pm

1 stop7h 13m

$429

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

mar. 7/7

4:48 pm-9:17 pm

1 stop5h 29m

Billings Logan Intl

mar. 7/14

2:25 pm-8:43 pm

1 stop5h 18m

$433

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 05m
Direct flights	None

The fastest flight from St. Louis to Billings takes 5h 05m

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 05m.
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 June 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 (25%) and American Airlines (14%).

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 8,396 reviews	Search Delta flights
United Airlines	PriceFrom $332	Free Cancellation	Rating 7.4 9,804 reviews	Search United Airlines flights
American Airlines	PriceFrom $386	Free Cancellation	Rating 7.1 11,640 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.