BIL - STL

$294 Find Cheap Flights from Billings to St. Louis - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$349
Typical prices: $348-$626
Delta
Tue 12/25Mon 12/31
BIL - STL • 1 stop
Cheapest one-way
$294
Typical prices: $276-$427
Multiple Airlines
Tue 10/9
BIL - STL • 3 stops
Nonstop flights
There are currently no direct flights between Billings and St. Louis. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
Cheapest • 41% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $348 (round-trip)
Shortest trip • 5h 28m (one-way)
Insights
Insights
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Flight Deals

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

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

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

Fri, Dec 25 - Thu, Dec 31
Delta Logo
6:15 am - 2:45 pmBIL  Billings Logan Intl-STL Lambert-St Louis
7h 30m1 stop Minneapolis St Paul
Delta Logo
3:25 pm - 7:48 pmSTL  Lambert-St Louis-BIL Billings Logan Intl
5h 23m1 stop Minneapolis St Paul
$349Delta
Sun, Dec 20 - Thu, Dec 31
Delta Logo
6:25 pm - 12:36 amBIL  Billings Logan Intl-STL Lambert-St Louis
5h 11m1 stop Salt Lake City
Delta Logo
3:25 pm - 7:48 pmSTL  Lambert-St Louis-BIL Billings Logan Intl
5h 23m1 stop Minneapolis St Paul
$349Delta
Mon, Dec 21 - Thu, Dec 31
Delta Logo
6:25 pm - 12:36 amBIL  Billings Logan Intl-STL Lambert-St Louis
5h 11m1 stop Salt Lake City
Delta Logo
3:25 pm - 7:48 pmSTL  Lambert-St Louis-BIL Billings Logan Intl
5h 23m1 stop Minneapolis St Paul
$349Delta
Mon, Dec 21 - Thu, Dec 31
Delta Logo
6:25 pm - 12:36 amBIL  Billings Logan Intl-STL Lambert-St Louis
5h 11m1 stop Salt Lake City
Delta Logo
1:00 pm - 7:48 pmSTL  Lambert-St Louis-BIL Billings Logan Intl
7h 48m2 stops Detroit Metropolitan Wayne County Minneapolis St Paul
$354Delta
Sat, Nov 14 - Tue, Nov 17
United Airlines Logo
2:42 pm - 8:59 pmBIL  Billings Logan Intl-STL Lambert-St Louis
5h 17m1 stop Denver Intl
United Airlines Logo
4:39 pm - 9:14 pmSTL  Lambert-St Louis-BIL Billings Logan Intl
5h 35m1 stop Denver Intl
$419United Airlines
Sat, Nov 14 - Tue, Nov 17
United Airlines Logo
2:42 pm - 8:59 pmBIL  Billings Logan Intl-STL Lambert-St Louis
5h 17m1 stop Denver Intl
United Airlines Logo
10:53 am - 10:30 pmSTL  Lambert-St Louis-BIL Billings Logan Intl
12h 37m2 stops Chicago O'Hare Intl Denver Intl
$424United Airlines
Sat, Nov 14 - Tue, Nov 17
United Airlines Logo
5:00 am - 2:34 pmBIL  Billings Logan Intl-STL Lambert-St Louis
8h 34m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
10:53 am - 10:30 pmSTL  Lambert-St Louis-BIL Billings Logan Intl
12h 37m2 stops Chicago O'Hare Intl Denver Intl
$429United Airlines
Mon, Sep 28 - Fri, Oct 2
Multiple Airlines Logo
5:22 pm - 11:32 amBIL  Billings Logan Intl-STL Lambert-St Louis
17h 10m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
12:02 pm - 9:32 pmSTL  Lambert-St Louis-BIL Billings Logan Intl
10h 30m1 stop Las Vegas Harry Reid Intl
$645Multiple Airlines
Mon, Dec 21 - Sun, Dec 27
Multiple Airlines Logo
6:19 pm - 2:57 pmBIL  Billings Logan Intl-STL Lambert-St Louis
19h 38m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
3:52 pm - 11:10 amSTL  Lambert-St Louis-BIL Billings Logan Intl
20h 18m1 stop Las Vegas Harry Reid Intl
$652Multiple Airlines
Mon, Sep 28 - Fri, Oct 2
Multiple Airlines Logo
5:22 pm - 1:10 pmBIL  Billings Logan Intl-STL Lambert-St Louis
42h 48m2 stops Las Vegas Harry Reid Intl Atlanta Hartsfield-Jackson
Multiple Airlines Logo
12:02 pm - 9:32 pmSTL  Lambert-St Louis-BIL Billings Logan Intl
10h 30m1 stop Las Vegas Harry Reid Intl
$668Multiple Airlines
Booking Insights

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

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

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

Round-trip flights from Billings to St. Louis start at $349. Prices are typical for this route right now, with typical round-trip fares ranging from $348 to $626. The lowest price found in the past 5 days was $349 on Delta.

Key details for Billings to St. Louis flights

Low season

January

Cheapest flight

$294
Best time to beat the crowds but there is an average 2% increase in price.
Most popular time to fly with an average 10% increase in price.
Flight from Billings to St. Louis

When to book flights from Billings to St. Louis

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

Your Billings to St. Louis flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

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

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

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

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

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

    One-stop flights from Billings to St. Louis most commonly connect through:

    • Denver Intl (DEN) - 59% of one-stop connections
    • Minneapolis St Paul (MSP) - 26% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 7% of one-stop connections
    • Salt Lake City (SLC) - 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 Billings to St. Louis?

    Yes. Being flexible with your travel dates can save you up to 42% on the Billings to St. Louis route. Tuesday is the cheapest departure day at $389 round-trip on average, while Friday is the most expensive at $665, a difference of $276. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in St. Louis?

    Some of the most popular sights in St. Louis are Downtown St. Louis, Busch Stadium and Enterprise Center. These are among the most viewed places in St. Louis on KAYAK.

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

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

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

    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 Billings to St. Louis 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 $349 to $1,287. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from Billings to St. Louis looking right now?

    One-way fares from Billings to St. Louis are currently lower than usual. Average one-way flight prices are about $320, which is 14% below the typical average for this route.

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

    Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 5h 23m, compared with 5h 28m via Denver Intl (DEN) and 5h 28m via Minneapolis St Paul (MSP).

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

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

  • What car rental options are available at Lambert-St Louis Airport (STL)?

    Lambert-St Louis Airport (STL) hosts 5 major car rental companies, with daily rates starting from around $31 for economy cars. Top options include:
    • Hertz
    • Budget
    • Alamo
    • Enterprise Rent-A-Car
    • Payless

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

    Round-trip flights from Billings to St. Louis range from $348 to $626, with an average of $472 over the past 12 months. Anything below $348 counts as a good deal.

Your guide to booking Billings to St. Louis flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Tuesday departure instead of Friday. On this route, Tuesday flights average $389 - about $276 less than Friday (42% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Billings to St. Louis trip for May. Fares historically average $279 round-trip in that month - typically $515 less than the most expensive month, which is November (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Lambert-St Louis Airport.
    - Drury Inn & Suites St. Louis Airport
    - Renaissance St. Louis Airport Hotel
    - DoubleTree by Hilton St. Louis Airport

More options for your flight from Billings to St. Louis

Complete your trip to St. Louis with a hotel stay or car rental