Which airports can I use when flying from St. Louis to Billings?

Flights from St. Louis to Billings usually depart from Lambert-St Louis (STL) and arrive at Billings Logan Intl (BIL).

What cabin classes can I book on flights from St. Louis to Billings?

Only Economy Class is available on flights from St. Louis to Billings.

Which airports do connecting flights from St. Louis to Billings pass through?

One-stop flights from St. Louis to Billings most commonly connect through: • Denver Intl (DEN) - 76% of one-stop connections • Chicago O'Hare Intl (ORD) - 8% of one-stop connections • Salt Lake City (SLC) - 8% of one-stop connections • Dallas/Fort Worth (DFW) - 7% of one-stop connections Denver Intl (DEN) handles the largest share of one-stop connections on this route.

Can I save money by using flexible dates for flights from St. Louis to Billings?

On the St. Louis to Billings route, being flexible with your departure day can save you up to 36%. Saturday is the cheapest day at $413 round-trip on average, while Thursday is the most expensive at $639: a $226 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

How long is a flight from St. Louis to Billings?

A nonstop flight from St. Louis to Billings takes 0h 00m, covering 1,045 miles.

Do I need a passport to fly from St. Louis to Billings?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Have flight prices from St. Louis to Billings changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $329 to $1,790. That means the highest observed fare was about 5x higher than the lowest one.

How much time can I save by choosing a different layover airport from St. Louis to Billings?

Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 5h 14m, compared with 5h 15m via Denver Intl (DEN) and 5h 40m via Chicago O'Hare Intl (ORD).

What is the time difference between St. Louis and Billings?

Billings is 1 hour behind St. Louis (Mountain Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Billings Logan Intl Airport (BIL)?

Billings Logan Intl Airport (BIL) hosts 5 major car rental companies, with daily rates starting from around $11 for economy cars. Top options include: • Rent-A-Wreck • Budget • Avis • Alamo • Hertz

How much should I expect to pay for a St. Louis to Billings flight?

Round-trip flights from St. Louis to Billings range from $423 to $639, with an average of $477 over the past 12 months. Anything below $423 counts as a good deal.

What is the cheapest airline to fly from St. Louis to Billings?

American Airlines ($329) and Delta ($334) are the cheapest airlines to fly round-trip from St. Louis to Billings according to KAYAK data over the last 5 days.

What is the most popular layover airport when flying from St. Louis to Billings?

Denver Intl (DEN) is the most popular layover for the St. Louis to Billings route. 76% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via DEN.

What is the cheapest layover airport when flying from St. Louis to Billings?

Flights via Chicago O'Hare Intl (ORD) offer the most affordable fares, with an average round-trip price of $459. Based on KAYAK data over the past 3 months.

When flying from St. Louis to Billings which airport offers the shortest layover?

Salt Lake City (SLC) had the shortest average connection time for St. Louis to Billings layovers at 172 minutes over the past 3 months.

$329 CHEAP FLIGHTS from St. Louis to Billings (STL - BIL)

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Cheapest round-trip

$329

Typical prices: $423-$639

American Airlines

Fri 2/23Tue 2/27

STL - BIL • 1 stop

Nonstop flights

Not available

There are currently no direct flights between St. Louis and Billings. You'll need to take a connecting flight to reach the destination.

Insights

When to travel

March

Cheapest • 30% price drop

July

Most popular

Good to know

Top layover airports

Chicago O'Hare Intl (ORD)

Cheapest • Avg $459 (round-trip)

Salt Lake City (SLC)

Shortest trip • 5h 14m (one-way)

Insights

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We hope you love your trip to Billings!

Flight Deals

Cheap Flights from St. Louis to Billings (STL-BIL)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from St. Louis to Billings

Tue, Feb 23 - Sat, Feb 27

2:54 pm - 8:51 pmSTL Lambert-St Louis-BIL Billings Logan Intl

6h 57m1 stop Dallas/Fort Worth

7:00 am - 2:04 pmBIL Billings Logan Intl-STL Lambert-St Louis

6h 04m1 stop Dallas/Fort Worth

$329American Airlines

Tue, Feb 23 - Sat, Feb 27

9:00 am - 7:48 pmSTL Lambert-St Louis-BIL Billings Logan Intl

11h 48m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul

12:58 pm - 9:41 pmBIL Billings Logan Intl-STL Lambert-St Louis

7h 43m1 stop Salt Lake City

$334Delta

Tue, Feb 23 - Sat, Feb 27

6:00 am - 5:49 pmSTL Lambert-St Louis-BIL Billings Logan Intl

12h 49m2 stops Atlanta Hartsfield-Jackson Salt Lake City

6:15 am - 4:50 pmBIL Billings Logan Intl-STL Lambert-St Louis

9h 35m2 stops Minneapolis St Paul Detroit Metropolitan Wayne County

$339Delta

Thu, Nov 19 - Sun, Nov 22

7:08 am - 12:18 pmSTL Lambert-St Louis-BIL Billings Logan Intl

6h 10m1 stop Salt Lake City

6:29 pm - 12:40 amBIL Billings Logan Intl-STL Lambert-St Louis

5h 11m1 stop Salt Lake City

$349Delta

Tue, Oct 27 - Wed, Nov 11

8:30 am - 5:14 pmSTL Lambert-St Louis-BIL Billings Logan Intl

9h 44m2 stops Chicago O'Hare Intl Denver Intl

10:30 am - 4:57 pmBIL Billings Logan Intl-STL Lambert-St Louis

5h 27m1 stop Denver Intl

$354United Airlines

Thu, Nov 19 - Sun, Nov 22

8:50 am - 1:29 pmSTL Lambert-St Louis-BIL Billings Logan Intl

5h 39m1 stop Denver Intl

7:00 am - 12:38 pmBIL Billings Logan Intl-STL Lambert-St Louis

4h 38m1 stop Denver Intl

$376United Airlines

Thu, Nov 19 - Sun, Nov 22

8:50 am - 1:29 pmSTL Lambert-St Louis-BIL Billings Logan Intl

5h 39m1 stop Denver Intl

5:00 am - 3:43 pmBIL Billings Logan Intl-STL Lambert-St Louis

9h 43m2 stops Denver Intl Chicago O'Hare Intl

$381United Airlines

Tue, Sep 29 - Sat, Oct 3

11:01 am - 10:10 pmSTL Lambert-St Louis-BIL Billings Logan Intl

12h 09m2 stops Chicago O'Hare Intl Dallas/Fort Worth

7:00 am - 2:44 pmBIL Billings Logan Intl-STL Lambert-St Louis

6h 44m1 stop Dallas/Fort Worth

$404American Airlines

Sat, Mar 6 - Fri, Mar 12

11:31 am - 8:51 pmSTL Lambert-St Louis-BIL Billings Logan Intl

10h 20m2 stops Chicago O'Hare Intl Dallas/Fort Worth

7:00 am - 2:04 pmBIL Billings Logan Intl-STL Lambert-St Louis

6h 04m1 stop Dallas/Fort Worth

$614American Airlines

Sat, Mar 6 - Fri, Mar 12

7:00 am - 1:23 pmSTL Lambert-St Louis-BIL Billings Logan Intl

31h 23m2 stops Seattle/Tacoma Intl Portland

3:44 pm - 2:26 pmBIL Billings Logan Intl-STL Lambert-St Louis

21h 42m2 stops Portland Seattle/Tacoma Intl

$766Alaska Airlines

Recent last minute flight deals from St. Louis to Billings

Wed, Sep 16 - Tue, Sep 22

4:40 pm - 10:51 pmSTL Lambert-St Louis-BIL Billings Logan Intl

7h 11m1 stop Denver Intl

2:29 pm - 8:38 pmBIL Billings Logan Intl-STL Lambert-St Louis

5h 09m1 stop Denver Intl

$499United Airlines

Wed, Sep 16 - Tue, Sep 22

5:47 pm - 11:15 pmSTL Lambert-St Louis-BIL Billings Logan Intl

6h 28m1 stop Minneapolis St Paul

5:20 am - 5:40 pmBIL Billings Logan Intl-STL Lambert-St Louis

11h 20m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$504Delta

Wed, Sep 16 - Tue, Sep 22

12:00 pm - 10:34 pmSTL Lambert-St Louis-BIL Billings Logan Intl

11h 34m2 stops Atlanta Hartsfield-Jackson Salt Lake City

5:20 am - 5:40 pmBIL Billings Logan Intl-STL Lambert-St Louis

11h 20m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$510Delta

Fri, Sep 18 - Wed, Sep 23

5:00 am - 11:57 amSTL Lambert-St Louis-BIL Billings Logan Intl

7h 57m1 stop Chicago O'Hare Intl

1:13 pm - 12:27 amBIL Billings Logan Intl-STL Lambert-St Louis

10h 14m2 stops Dallas/Fort Worth Chicago O'Hare Intl

$576American Airlines

Fri, Sep 18 - Wed, Sep 23

12:59 pm - 10:51 pmSTL Lambert-St Louis-BIL Billings Logan Intl

10h 52m2 stops Chicago O'Hare Intl Denver Intl

5:00 am - 3:38 pmBIL Billings Logan Intl-STL Lambert-St Louis

9h 38m2 stops Denver Intl Chicago O'Hare Intl

$579United Airlines

Fri, Sep 18 - Wed, Sep 23

5:00 am - 11:57 amSTL Lambert-St Louis-BIL Billings Logan Intl

7h 57m1 stop Chicago O'Hare Intl

7:00 am - 2:44 pmBIL Billings Logan Intl-STL Lambert-St Louis

6h 44m1 stop Dallas/Fort Worth

$680American Airlines

Wed, Sep 16 - Thu, Sep 17

9:00 am - 1:21 pmSTL Lambert-St Louis-BIL Billings Logan Intl

5h 21m1 stop Denver Intl

4:07 pm - 11:31 pmBIL Billings Logan Intl-STL Lambert-St Louis

6h 24m1 stop Denver Intl

$793United Airlines

Wed, Sep 16 - Thu, Sep 17

12:00 pm - 10:34 pmSTL Lambert-St Louis-BIL Billings Logan Intl

11h 34m2 stops Atlanta Hartsfield-Jackson Salt Lake City

6:23 am - 5:10 pmBIL Billings Logan Intl-STL Lambert-St Louis

9h 47m2 stops Minneapolis St Paul Detroit Metropolitan Wayne County

$823Delta

Tue, Sep 15 - Sun, Sep 20

6:08 pm - 11:29 pmSTL Lambert-St Louis-BIL Billings Logan Intl

30h 21m2 stops Portland Seattle/Tacoma Intl

7:29 pm - 2:21 pmBIL Billings Logan Intl-STL Lambert-St Louis

17h 52m1 stop Seattle/Tacoma Intl

$1,255Alaska Airlines

Tue, Sep 15 - Sun, Sep 20

6:08 pm - 3:02 pmSTL Lambert-St Louis-BIL Billings Logan Intl

21h 54m1 stop Portland

7:29 pm - 2:21 pmBIL Billings Logan Intl-STL Lambert-St Louis

17h 52m1 stop Seattle/Tacoma Intl

$1,263Alaska Airlines

Booking Insights

Price, demand and travel trends for St. Louis to Billings flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from St. Louis to Billings with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from St. Louis to Billings?

Round-trip flights from St. Louis to Billings start at $329. Prices are below average for this route right now, with typical round-trip fares ranging from $423 to $639. The lowest price found in the past 5 days was $329 on American Airlines.

What's the cheapest day of the week to fly from St. Louis to Billings?

Saturday is the cheapest day of the week to fly from St. Louis to Billings, it is 14% cheaper than the average day. Thursday is the most expensive day with flight prices 33% higher than average. Based on deals found by KAYAK users in the last 12 months.

Find deals

Low season	January
High season	July

Most popular time to fly with an average 65% increase in price.

When to book flights from St. Louis to Billings

Are your dates flexible? Find out the best times to travel from St. Louis to Billings based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which airports can I use when flying from St. Louis to Billings?
Flights from St. Louis to Billings usually depart from Lambert-St Louis (STL) and arrive at Billings Logan Intl (BIL).
What cabin classes can I book on flights from St. Louis to Billings?
Only Economy Class is available on flights from St. Louis to Billings.
Which airports do connecting flights from St. Louis to Billings pass through?
One-stop flights from St. Louis to Billings most commonly connect through:

• Denver Intl (DEN) - 76% of one-stop connections
• Chicago O'Hare Intl (ORD) - 8% of one-stop connections
• Salt Lake City (SLC) - 8% of one-stop connections
• Dallas/Fort Worth (DFW) - 7% of one-stop connections

Denver Intl (DEN) handles the largest share of one-stop connections on this route.
Can I save money by using flexible dates for flights from St. Louis to Billings?
On the St. Louis to Billings route, being flexible with your departure day can save you up to 36%. Saturday is the cheapest day at $413 round-trip on average, while Thursday is the most expensive at $639: a $226 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.
How long is a flight from St. Louis to Billings?
A nonstop flight from St. Louis to Billings takes 0h 00m, covering 1,045 miles.
Do I need a passport to fly from St. Louis to Billings?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.
Have flight prices from St. Louis to Billings changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $329 to $1,790. That means the highest observed fare was about 5x higher than the lowest one.
How much time can I save by choosing a different layover airport from St. Louis to Billings?
Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 5h 14m, compared with 5h 15m via Denver Intl (DEN) and 5h 40m via Chicago O'Hare Intl (ORD).
What is the time difference between St. Louis and Billings?
Billings is 1 hour behind St. Louis (Mountain Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.
What car rental options are available at Billings Logan Intl Airport (BIL)?
Billings Logan Intl Airport (BIL) hosts 5 major car rental companies, with daily rates starting from around $11 for economy cars. Top options include:
• Rent-A-Wreck
• Budget
• Avis
• Alamo
• Hertz
How much should I expect to pay for a St. Louis to Billings flight?
Round-trip flights from St. Louis to Billings range from $423 to $639, with an average of $477 over the past 12 months. Anything below $423 counts as a good deal.

If your dates can be flexible, aim for a Saturday departure instead of Thursday. On this route, Saturday flights average $413 - about $226 less than Thursday (35% savings) based on the last 12 months.
If you can choose when to travel, plan your St. Louis to Billings trip for March. Fares historically average $332 round-trip in that month - typically $456 less than the most expensive month, which is July (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Billings Logan Intl Airport.
- Hilltop Inn by Riversage

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STL - BIL

$329 Find Cheap Flights from St. Louis to Billings - Compare and Save

Everything you should know

Cheap Flights from St. Louis to Billings (STL-BIL)

Recent round-trip flight deals from St. Louis to Billings

Recent one-way flight deals from St. Louis to Billings

Recent last minute flight deals from St. Louis to Billings

Price, demand and travel trends for St. Louis to Billings flights

How much is a round-trip flight from St. Louis to Billings?

What's the cheapest day of the week to fly from St. Louis to Billings?

What is the cheapest airline to fly from St. Louis to Billings?

What is the most popular layover airport when flying from St. Louis to Billings?

What is the cheapest layover airport when flying from St. Louis to Billings?

When flying from St. Louis to Billings which airport offers the shortest layover?

Key details for St. Louis to Billings flights

Low season

High season

When to book flights from St. Louis to Billings

Your St. Louis to Billings flight questions, answered

Your guide to booking St. Louis to Billings flights

More options for your flight from St. Louis to Billings

Complete your trip to Billings with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from St. Louis to Billings

Find direct flights to and from St. Louis and Billings

Flights from domestic origins to Billings

Flights to other popular destinations

Find deals for your return flight