What is the cheapest airline that flies from Lambert-St Louis to Bismarck?

Delta is the most popular carrier operating from Lambert-St Louis to Bismarck

What airlines fly to Bismarck?

Delta, American Airlines and United Airlines are the top three most popular airlines that fly to Bismarck from St. Louis according to our data. Delta is the first choice among our users, with 64% of people opting to fly with this airline when traveling to Bismarck. Keep in mind that there are 3 different airlines that fly to Bismarck on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Lambert-St Louis Airport to Bismarck Airport?

Prices for flights from Lambert-St Louis Airport to Bismarck Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Lambert-St Louis Airport to Bismarck Airport?

As of October 2025, there are 2 operators available to choose from for flights from Lambert-St Louis Airport to Bismarck Airport.

How old do you have to be to fly from Lambert-St Louis Airport to Bismarck 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 Bismarck Airport.

What documentation or ID do you need to fly to Bismarck Airport?

The travel and health documents required for your trip to Bismarck 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 Bismarck Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$239 Cheap Flights from St. Louis to Bismarck in 2025/26

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Find the cheapest flights from St. Louis to Bismarck

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:30 am - 12:41 pmSTL-BIS

6h 11m1 stop

1:10 pm - 4:45 pmBIS-STL

3h 35m1 stop

$249Delta

Find Deal

Wed, Apr 15 - Sat, Apr 18

7:50 am - 12:01 pmSTL-BIS

4h 11m1 stop

3:04 pm - 11:24 pmBIS-STL

8h 20m2 stops

$324American Airlines

Find Deal

Wed, Apr 15 - Sat, Apr 18

11:14 am - 9:27 pmSTL-BIS

10h 13m2 stops

3:04 pm - 11:24 pmBIS-STL

8h 20m2 stops

$373American Airlines

Find Deal

Wed, Apr 15 - Sat, Apr 18

5:15 am - 12:21 pmSTL-BIS

7h 06m1 stop

2:29 pm - 11:38 pmBIS-STL

9h 09m2 stops

$382American Airlines

Find Deal

Fri, Dec 12 - Mon, Dec 15

5:17 am - 1:58 pmSTL-BIS

8h 41m1 stop

12:55 pm - 8:09 amBIS-STL

19h 14m1 stop

$393American Airlines

Find Deal

Fri, Nov 14 - Sun, Nov 16

4:37 pm - 9:48 pmSTL-BIS

5h 11m1 stop

5:45 am - 1:20 pmBIS-STL

7h 35m1 stop

$437United Airlines

Find Deal

Sat, Dec 13 - Thu, Jan 1

3:59 pm - 10:18 pmSTL-BIS

6h 19m1 stop

2:39 pm - 10:56 pmBIS-STL

8h 17m1 stop

$450American Airlines

Find Deal

Sat, Dec 13 - Thu, Jan 1

3:59 pm - 10:18 pmSTL-BIS

6h 19m1 stop

2:39 pm - 10:56 pmBIS-STL

8h 17m1 stop

$476American Airlines

Find Deal

Sat, Dec 13 - Thu, Jan 1

7:36 pm - 2:22 pmSTL-BIS

18h 46m2 stops

2:39 pm - 10:56 pmBIS-STL

8h 17m1 stop

$497American Airlines

Find Deal

Sat, Dec 13 - Thu, Jan 1

6:15 am - 9:48 pmSTL-BIS

15h 33m3 stops

5:45 am - 9:43 pmBIS-STL

15h 58m2 stops

$1,226United Airlines

Find Deal

Sat, Dec 13 - Thu, Jan 1

American Airlines flights from St. Louis to Bismarck

Our best American Airlines deals on St. Louis to Bismarck flight tickets

American Airlines

Apr 15

STL7:50 amLambert-St Louis

4h 11m

1 stop

BIS12:01 pmBismarck

Apr 18

BIS3:04 pmBismarck

8h 20m

2 stops

STL11:24 pmLambert-St Louis

$324

Find similar

American Airlines

Apr 15

STL11:14 amLambert-St Louis

10h 13m

2 stops

BIS9:27 pmBismarck

Apr 18

BIS3:04 pmBismarck

8h 20m

2 stops

STL11:24 pmLambert-St Louis

$373

Find similar

American Airlines

Dec 12

STL5:15 amLambert-St Louis

7h 06m

1 stop

BIS12:21 pmBismarck

Dec 15

BIS2:29 pmBismarck

9h 09m

2 stops

STL11:38 pmLambert-St Louis

$382

Find similar

United Airlines flights from St. Louis to Bismarck

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

United Airlines

Dec 13

STL4:37 pmLambert-St Louis

5h 11m

1 stop

BIS9:48 pmBismarck

Jan 1

BIS5:45 amBismarck

7h 35m

1 stop

STL1:20 pmLambert-St Louis

$437

Find similar

United Airlines

Dec 13

STL6:15 amLambert-St Louis

15h 33m

3 stops

BIS9:48 pmBismarck

Jan 1

BIS5:45 amBismarck

15h 58m

2 stops

STL9:43 pmLambert-St Louis

$1,226

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

Wed 4/15

6:30 am-12:41 pm

1 stop6h 11m

Bismarck

Sat 4/18

1:10 pm-4:45 pm

1 stop3h 35m

$249

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

Wed 4/15

7:50 am-12:01 pm

1 stop4h 11m

Bismarck

Sat 4/18

3:04 pm-11:24 pm

2 stops8h 20m

$324

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

Wed 4/15

11:14 am-9:27 pm

2 stops10h 13m

Bismarck

Sat 4/18

3:04 pm-11:24 pm

2 stops8h 20m

$373

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

Fri 12/12

5:15 am-12:21 pm

1 stop7h 06m

Bismarck

Mon 12/15

2:29 pm-11:38 pm

2 stops9h 09m

$382

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

Fri 11/14

5:17 am-1:58 pm

1 stop8h 41m

Bismarck

Sun 11/16

12:55 pm-8:09 am

1 stop19h 14m

$393

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

Sat 12/13

4:37 pm-9:48 pm

1 stop5h 11m

Bismarck

Thu 1/1

5:45 am-1:20 pm

1 stop7h 35m

$437

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

Sat 12/13

3:59 pm-10:18 pm

1 stop6h 19m

Bismarck

Thu 1/1

2:39 pm-10:56 pm

1 stop8h 17m

$450

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

Sat 12/13

3:59 pm-10:18 pm

1 stop6h 19m

Bismarck

Thu 1/1

2:39 pm-10:56 pm

1 stop8h 17m

$476

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

Sat 12/13

7:36 pm-2:22 pm

2 stops18h 46m

Bismarck

Thu 1/1

2:39 pm-10:56 pm

1 stop8h 17m

$497

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

Sat 12/13

6:15 am-9:48 pm

3 stops15h 33m

Bismarck

Thu 1/1

5:45 am-9:43 pm

2 stops15h 58m

$1,226

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 Bismarck

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 Bismarck?

In general, March is the cheapest month to fly from St. Louis to Bismarck. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $248. If you aren’t able to travel during the month of March, then book flights to Bismarck from St. Louis during December instead. Flights to Bismarck in December, while not as cheap as those in March, still average around $248.

What is the cheapest day to depart on your flight to Bismarck?

The cheapest day to depart from St. Louis to Bismarck is on a Thursday. Travelers who choose to depart for Bismarck on a Thursday will often find tickets for as low as $318. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $548. These prices are subject to change though, so be sure to set up a Price Alert for flights to Bismarck.

What is the cheapest time of day to depart on your flight to Bismarck?

According to our data, the cheapest time of day to fly to Bismarck is at noon. momondo users have found flights departing from St. Louis to Bismarck at noon for as low as $252. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the morning because they tend to be around $372. Of course, these prices can vary depending on the time of year and what airport you fly to.

Can stopping save me money on St. Louis to Bismarck flights?

You could potentially save up to 24% on your flight if you consider stops on a St. Louis to Bismarck flight.

When to book flights from St. Louis to Bismarck

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Bismarck according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap St. Louis to Bismarck (STL to BIS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Bismarck

Direct flights	None

There are no direct flights from St. Louis to Bismarck. There are no popular flight routes from St. Louis to Bismarck.

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How far is Lambert-St Louis to Bismarck by plane?
There are 778.0 mi between Lambert-St Louis and Bismarck. Flights usually cover this in 4h 11m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Lambert-St Louis Airport to Bismarck Airport?
Prices for flights from Lambert-St Louis Airport to Bismarck Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Lambert-St Louis Airport to Bismarck Airport?
As of October 2025, there are 2 operators available to choose from for flights from Lambert-St Louis Airport to Bismarck Airport.
How old do you have to be to fly from Lambert-St Louis Airport to Bismarck 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 Bismarck Airport.
What documentation or ID do you need to fly to Bismarck Airport?
The travel and health documents required for your trip to Bismarck 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 Bismarck 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 Bismarck?
Based on momondo bookings for flights between St. Louis and Bismarck, the leading airline is Delta, making up 75% of the total bookings. Other popular airlines include American Airlines with 25%.

Best airlines flying from St. Louis to Bismarck

Compare and see reviews for airlines that fly from St. Louis to Bismarck with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $223	Free Cancellation	Rating 7.2 11,026 reviews		Search American Airlines flights
Delta	PriceFrom $248	Free Cancellation	Rating 7.9 7,976 reviews		Search Delta flights

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Why should I use momondo to find a flight deal from St. Louis to Bismarck?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Bismarck. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from St. Louis to Bismarck with flexible booking policies on momondo?

momondo does allow users to show only those flights to Bismarck from St. Louis which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from St. Louis to Bismarck?

Once all potential St. Louis to Bismarck flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from St. Louis to Bismarck right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of St. Louis to Bismarck flights. All you need is a valid email address and we will do the rest; it is that quick and easy.