Cheap flights from St. Louis to Billings from $227

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Billings departing on 7/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
3:25 pm - 8:06 pm
STL
-
BIL
5h 41m
1 stop
Delta Logo
6:24 am - 11:32 am
BIL
-
STL
4h 08m
1 stop
$299Delta
Tue, Apr 21 - Tue, Apr 28
Delta Logo
1:56 pm - 10:52 pm
STL
-
BIL
9h 56m
2 stops
Delta Logo
5:35 am - 1:32 pm
BIL
-
STL
6h 57m
1 stop
$304Delta
Thu, May 28 - Tue, Jun 2
United Airlines Logo
5:10 am - 9:35 am
STL
-
BIL
5h 25m
1 stop
United Airlines Logo
6:00 pm - 11:57 pm
BIL
-
STL
4h 57m
1 stop
$310United Airlines
Fri, May 22 - Tue, May 26
United Airlines Logo
5:10 am - 9:35 am
STL
-
BIL
5h 25m
1 stop
United Airlines Logo
6:00 pm - 11:57 pm
BIL
-
STL
4h 57m
1 stop
$319United Airlines
Fri, May 29 - Wed, Jun 3
Delta Logo
1:56 pm - 10:52 pm
STL
-
BIL
9h 56m
2 stops
Delta Logo
5:35 am - 1:32 pm
BIL
-
STL
6h 57m
1 stop
$324Delta
Thu, May 28 - Tue, Jun 2
United Airlines Logo
5:10 am - 9:35 am
STL
-
BIL
5h 25m
1 stop
United Airlines Logo
4:10 pm - 11:57 pm
BIL
-
STL
6h 47m
1 stop
$327United Airlines
Thu, Jun 4 - Sun, Jun 7
United Airlines Logo
9:23 am - 5:19 pm
STL
-
BIL
8h 56m
2 stops
United Airlines Logo
6:00 pm - 11:57 pm
BIL
-
STL
4h 57m
1 stop
$332United Airlines
Thu, May 28 - Mon, Jun 1
United Airlines Logo
9:10 am - 8:57 pm
STL
-
BIL
12h 47m
2 stops
United Airlines Logo
2:35 pm - 8:54 pm
BIL
-
STL
5h 19m
1 stop
$334United Airlines
Tue, Apr 7 - Tue, Apr 14
Delta Logo
11:42 am - 8:06 pm
STL
-
BIL
9h 24m
2 stops
Delta Logo
5:20 am - 1:23 pm
BIL
-
STL
7h 03m
1 stop
$350Delta
Tue, Apr 21 - Tue, Apr 28
United Airlines Logo
9:23 am - 5:19 pm
STL
-
BIL
8h 56m
2 stops
United Airlines Logo
7:00 am - 12:42 pm
BIL
-
STL
4h 42m
1 stop
$364United Airlines
Fri, May 29 - Wed, Jun 3

Delta flights from St. Louis to Billings

Our best Delta deals on St. Louis to Billings flight tickets
Delta
Apr 21
STL3:25 pmLambert-St Louis
5h 41m
1 stop
BIL8:06 pmBillings Logan Intl
Apr 28
BIL6:24 amBillings Logan Intl
4h 08m
1 stop
STL11:32 amLambert-St Louis
$299
Delta
May 28
STL1:56 pmLambert-St Louis
9h 56m
2 stops
BIL10:52 pmBillings Logan Intl
Jun 2
BIL5:35 amBillings Logan Intl
6h 57m
1 stop
STL1:32 pmLambert-St Louis
$304
Delta
May 28
STL1:56 pmLambert-St Louis
9h 56m
2 stops
BIL10:52 pmBillings Logan Intl
Jun 2
BIL5:35 amBillings Logan Intl
6h 57m
1 stop
STL1:32 pmLambert-St Louis
$324

Alaska Airlines flights from St. Louis to Billings

Our best Alaska Airlines deals on St. Louis to Billings flight tickets
Alaska Airlines
Aug 28
STL7:32 pmLambert-St Louis
18h 51m
2 stops
BIL1:23 pmBillings Logan Intl
Aug 31
BIL3:44 pmBillings Logan Intl
21h 42m
2 stops
STL2:26 pmLambert-St Louis
$559
Alaska Airlines
May 28
STL5:33 pmLambert-St Louis
20h 48m
2 stops
BIL1:21 pmBillings Logan Intl
Jun 2
BIL7:21 pmBillings Logan Intl
20h 16m
2 stops
STL4:37 pmLambert-St Louis
$565
Alaska Airlines
Aug 30
STL3:24 pmLambert-St Louis
22h 59m
2 stops
BIL1:23 pmBillings Logan Intl
Sep 4
BIL3:44 pmBillings Logan Intl
21h 42m
2 stops
STL2:26 pmLambert-St Louis
$569

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Billings that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 11, 2026.
Use the filters below to find and compare flights from St. Louis to Billings that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

Tue 4/21

3:25 pm-8:06 pm

1 stop5h 41m

Billings Logan Intl

Tue 4/28

6:24 am-11:32 am

1 stop4h 08m

$299

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

Thu 5/28

1:56 pm-10:52 pm

2 stops9h 56m

Billings Logan Intl

Tue 6/2

5:35 am-1:32 pm

1 stop6h 57m

$304

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

Fri 5/22

5:10 am-9:35 am

1 stop5h 25m

Billings Logan Intl

Tue 5/26

6:00 pm-11:57 pm

1 stop4h 57m

$310

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

Fri 5/29

5:10 am-9:35 am

1 stop5h 25m

Billings Logan Intl

Wed 6/3

6:00 pm-11:57 pm

1 stop4h 57m

$319

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

Thu 5/28

1:56 pm-10:52 pm

2 stops9h 56m

Billings Logan Intl

Tue 6/2

5:35 am-1:32 pm

1 stop6h 57m

$324

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

Thu 6/4

5:10 am-9:35 am

1 stop5h 25m

Billings Logan Intl

Sun 6/7

4:10 pm-11:57 pm

1 stop6h 47m

$327

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

Thu 5/28

9:23 am-5:19 pm

2 stops8h 56m

Billings Logan Intl

Mon 6/1

6:00 pm-11:57 pm

1 stop4h 57m

$332

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

Tue 4/7

9:10 am-8:57 pm

2 stops12h 47m

Billings Logan Intl

Tue 4/14

2:35 pm-8:54 pm

1 stop5h 19m

$334

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

Tue 4/21

11:42 am-8:06 pm

2 stops9h 24m

Billings Logan Intl

Tue 4/28

5:20 am-1:23 pm

1 stop7h 03m

$350

St. LouisBillings

STL - BIL

STLBIL

Lambert-St Louis

Fri 5/29

9:23 am-5:19 pm

2 stops8h 56m

Billings Logan Intl

Wed 6/3

7:00 am-12:42 pm

1 stop4h 42m

$364

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Billings from

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

What is the cheapest airline that flies from Lambert-St Louis to Billings Logan Intl?

Alaska Airlines is the most popular carrier operating from Lambert-St Louis to Billings Logan Intl

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 67% 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.

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 25m

Direct flights

None
The fastest flight from St. Louis to Billings takes 5h 25m
There are no direct flights from St. Louis to Billings. There are no popular flight routes 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 25m.

  • 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?

  • 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?

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
DeltaPriceFrom $322Free CancellationRating
7.9
8,278 reviews
Search Delta flights
United AirlinesPriceFrom $332Free CancellationRating
7.4
9,414 reviews
Search United Airlines flights
American AirlinesPriceFrom $385Free CancellationRating
7.1
11,419 reviews
Search American Airlines flights

Traveling to a place near Billings?

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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.

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1 adult
Fri 4/10
Fri 4/17

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