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

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 November 2026, there are 2 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.

$349 Cheap Flights from St. Louis to Billings in 2026/27

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.

2:54 pm - 8:49 pmSTL Lambert-St Louis-BIL Billings Logan Intl

6h 55m1 stop Dallas/Fort Worth

7:00 am - 1:55 pmBIL Billings Logan Intl-STL Lambert-St Louis

5h 55m1 stop Dallas/Fort Worth

$349American Airlines

Thu, Dec 10 - Sun, Dec 13

2:50 pm - 8:59 pmSTL Lambert-St Louis-BIL Billings Logan Intl

7h 09m1 stop Denver Intl

2:33 pm - 8:57 pmBIL Billings Logan Intl-STL Lambert-St Louis

5h 24m1 stop Denver Intl

$349United Airlines

Fri, Dec 4 - Sun, Dec 6

8:40 am - 1:24 pmSTL Lambert-St Louis-BIL Billings Logan Intl

5h 44m1 stop Denver Intl

2:33 pm - 8:57 pmBIL Billings Logan Intl-STL Lambert-St Louis

5h 24m1 stop Denver Intl

$349United Airlines

Wed, Dec 2 - Wed, Dec 9

8:40 am - 1:24 pmSTL Lambert-St Louis-BIL Billings Logan Intl

5h 44m1 stop Denver Intl

7:00 am - 12:53 pmBIL Billings Logan Intl-STL Lambert-St Louis

4h 53m1 stop Denver Intl

$349United Airlines

Sat, Dec 5 - Sat, Dec 12

2:54 pm - 8:49 pmSTL Lambert-St Louis-BIL Billings Logan Intl

6h 55m1 stop Dallas/Fort Worth

1:28 pm - 10:20 pmBIL Billings Logan Intl-STL Lambert-St Louis

7h 52m1 stop Dallas/Fort Worth

$359American Airlines

Thu, Dec 3 - Thu, Dec 10

2:54 pm - 8:49 pmSTL Lambert-St Louis-BIL Billings Logan Intl

6h 55m1 stop Dallas/Fort Worth

7:00 am - 1:55 pmBIL Billings Logan Intl-STL Lambert-St Louis

5h 55m1 stop Dallas/Fort Worth

$359American Airlines

Sat, Dec 5 - Sat, Dec 12

2:54 pm - 8:49 pmSTL Lambert-St Louis-BIL Billings Logan Intl

6h 55m1 stop Dallas/Fort Worth

7:00 am - 7:57 pmBIL Billings Logan Intl-STL Lambert-St Louis

11h 57m2 stops Dallas/Fort Worth Chicago O'Hare Intl

$364American Airlines

Sat, Dec 5 - Sat, Dec 12

6:00 am - 5:41 pmSTL Lambert-St Louis-BIL Billings Logan Intl

12h 41m2 stops Atlanta Hartsfield-Jackson Salt Lake City

6:21 pm - 9:01 amBIL Billings Logan Intl-STL Lambert-St Louis

13h 40m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$369Delta

Sat, Dec 5 - Sat, Dec 12

10:20 am - 7:37 pmSTL Lambert-St Louis-BIL Billings Logan Intl

10h 17m2 stops Detroit Metropolitan Wayne County Minneapolis St Paul

12:58 pm - 11:22 pmBIL Billings Logan Intl-STL Lambert-St Louis

9h 24m2 stops Salt Lake City Minneapolis St Paul

$409Delta

Tue, Nov 17 - Sat, Nov 21

6:13 am - 7:42 pmSTL Lambert-St Louis-BIL Billings Logan Intl

14h 29m1 stop Minneapolis St Paul

5:35 am - 2:36 pmBIL Billings Logan Intl-STL Lambert-St Louis

8h 01m1 stop Salt Lake City

$487Delta

Tue, Nov 24 - Thu, Nov 26

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

United Airlines flights from St. Louis to Billings

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

United Airlines

Dec 5

STL8:40 amLambert-St Louis

5h 44m

1 stop

BIL1:24 pmBillings Logan Intl

Dec 12

BIL7:00 amBillings Logan Intl

4h 53m

1 stop

STL12:53 pmLambert-St Louis

$349

United Airlines

Dec 5

STL4:30 pmLambert-St Louis

5h 29m

1 stop

BIL8:59 pmBillings Logan Intl

Dec 12

BIL7:00 amBillings Logan Intl

10h 16m

2 stops

STL6:16 pmLambert-St Louis

$354

United Airlines

Dec 5

STL6:30 amLambert-St Louis

7h 54m

2 stops

BIL1:24 pmBillings Logan Intl

Dec 12

BIL7:00 amBillings Logan Intl

10h 16m

2 stops

STL6:16 pmLambert-St Louis

$359

Delta flights from St. Louis to Billings

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

Delta

Dec 5

STL6:00 amLambert-St Louis

12h 41m

2 stops

BIL5:41 pmBillings Logan Intl

Dec 12

BIL6:21 pmBillings Logan Intl

13h 40m

2 stops

STL9:01 amLambert-St Louis

$369

Delta

Nov 17

STL10:20 amLambert-St Louis

10h 17m

2 stops

BIL7:37 pmBillings Logan Intl

Nov 21

BIL12:58 pmBillings Logan Intl

9h 24m

2 stops

STL11:22 pmLambert-St Louis

$409

Delta

Nov 13

STL2:21 pmLambert-St Louis

8h 59m

2 stops

BIL10:20 pmBillings Logan Intl

Nov 18

BIL5:35 amBillings Logan Intl

8h 06m

2 stops

STL2:41 pmLambert-St Louis

$464

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisBillings

STL Lambert-St Louis - BIL Billings Logan Intl

STLBIL

Lambert-St Louis

Thu 12/10

2:54 pm-8:49 pm

1 stop6h 55m

Billings Logan Intl

Sun 12/13

7:00 am-1:55 pm

1 stop5h 55m

$349

St. LouisBillings

STL Lambert-St Louis - BIL Billings Logan Intl

STLBIL

Lambert-St Louis

Fri 12/4

2:50 pm-8:59 pm

1 stop7h 09m

Billings Logan Intl

Sun 12/6

2:33 pm-8:57 pm

1 stop5h 24m

$349

St. LouisBillings

STL Lambert-St Louis - BIL Billings Logan Intl

STLBIL

Lambert-St Louis

Wed 12/2

8:40 am-1:24 pm

1 stop5h 44m

Billings Logan Intl

Wed 12/9

2:33 pm-8:57 pm

1 stop5h 24m

$349

Quickest round-trip

St. LouisBillings

STL Lambert-St Louis - BIL Billings Logan Intl

STLBIL

Lambert-St Louis

Sat 12/5

8:40 am-1:24 pm

1 stop5h 44m

Billings Logan Intl

Sat 12/12

7:00 am-12:53 pm

1 stop4h 53m

$349

St. LouisBillings

STL Lambert-St Louis - BIL Billings Logan Intl

STLBIL

Lambert-St Louis

Thu 12/3

2:54 pm-8:49 pm

1 stop6h 55m

Billings Logan Intl

Thu 12/10

1:28 pm-10:20 pm

1 stop7h 52m

$359

St. LouisBillings

STL Lambert-St Louis - BIL Billings Logan Intl

STLBIL

Lambert-St Louis

Sat 12/5

2:54 pm-8:49 pm

1 stop6h 55m

Billings Logan Intl

Sat 12/12

7:00 am-1:55 pm

1 stop5h 55m

$359

St. LouisBillings

STL Lambert-St Louis - BIL Billings Logan Intl

STLBIL

Lambert-St Louis

Sat 12/5

2:54 pm-8:49 pm

1 stop6h 55m

Billings Logan Intl

Sat 12/12

7:00 am-7:57 pm

2 stops11h 57m

$364

St. LouisBillings

STL Lambert-St Louis - BIL Billings Logan Intl

STLBIL

Lambert-St Louis

Sat 12/5

6:00 am-5:41 pm

2 stops12h 41m

Billings Logan Intl

Sat 12/12

6:21 pm-9:01 am

2 stops13h 40m

$369

St. LouisBillings

STL Lambert-St Louis - BIL Billings Logan Intl

STLBIL

Lambert-St Louis

Tue 11/17

10:20 am-7:37 pm

2 stops10h 17m

Billings Logan Intl

Sat 11/21

12:58 pm-11:22 pm

2 stops9h 24m

$409

St. LouisBillings

STL Lambert-St Louis - BIL Billings Logan Intl

STLBIL

Lambert-St Louis

Tue 11/24

6:13 am-7:42 pm

1 stop14h 29m

Billings Logan Intl

Thu 11/26

5:35 am-2:36 pm

1 stop8h 01m

$487

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 cheapest month to fly to Billings?

The month of October is, on average, the cheapest month to fly to Billings from St. Louis, with most prices found around $0. The month of January is another great option to travel to Billings, with average flight prices from St. Louis averaging around $0.

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	$396
Fastest flight time	5h 29m
Direct flights	None

The best one-way flight to Billings from St. Louis in the past 72 hours is $396. The best round-trip flight deal from St. Louis to Billings found on momondo in the last 72 hours is $349.

The fastest flight from St. Louis to Billings takes 5h 29m

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 29m.
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 November 2026, there are 2 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 (73% of total bookings). The next most popular airline is Delta (27%).

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 $280	Free Cancellation	Rating 7.8 8,701 reviews		Search Delta flights
United Airlines	PriceFrom $338	Free Cancellation	Rating 7.3 10,470 reviews		Search United 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.