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 December 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.

$247 Cheap Flights from St. Louis to Bismarck in 2025/26

1 adult

0 bags

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Find the cheapest flights from St. Louis to Bismarck

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:05 am - 10:38 am

STL

BIS

4h 33m1 stop

5:37 pm - 10:16 pm

BIS

STL

4h 39m1 stop

$339Delta

Thu, Dec 25 - Mon, Dec 29

6:00 pm - 11:30 pm

STL

BIS

5h 30m1 stop

1:35 pm - 8:58 pm

BIS

STL

7h 23m1 stop

$398United Airlines

Wed, Jan 7 - Sat, Jan 10

8:45 am - 4:32 pm

STL

BIS

7h 47m1 stop

1:35 pm - 8:58 pm

BIS

STL

7h 23m1 stop

$408United Airlines

Wed, Jan 7 - Sat, Jan 10

3:11 pm - 12:51 pm

STL

BIS

21h 40m2 stops

1:35 pm - 8:58 pm

BIS

STL

7h 23m1 stop

$551United Airlines

Wed, Jan 7 - Sat, Jan 10

6:00 am - 11:30 pm

STL

BIS

17h 30m3 stops

1:35 pm - 8:58 pm

BIS

STL

7h 23m1 stop

$556United Airlines

Wed, Jan 7 - Sat, Jan 10

2:45 pm - 8:16 pm

STL

BIS

5h 31m1 stop

8:10 am - 10:43 pm

BIS

STL

14h 33m2 stops

$711United Airlines

Thu, Dec 25 - Mon, Dec 29

8:05 am - 8:16 pm

STL

BIS

12h 11m2 stops

5:45 am - 5:54 pm

BIS

STL

12h 09m2 stops

$965United Airlines

Thu, Dec 25 - Mon, Dec 29

United Airlines flights from St. Louis to Bismarck

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

United Airlines

Jan 7

STL6:00 pmLambert-St Louis

5h 30m

1 stop

BIS11:30 pmBismarck

Jan 10

BIS1:35 pmBismarck

7h 23m

1 stop

STL8:58 pmLambert-St Louis

$398

Find similar

United Airlines

Jan 7

STL8:45 amLambert-St Louis

7h 47m

1 stop

BIS4:32 pmBismarck

Jan 10

BIS1:35 pmBismarck

7h 23m

1 stop

STL8:58 pmLambert-St Louis

$408

Find similar

United Airlines

Dec 13

STL1:35 pmLambert-St Louis

8h 13m

1 stop

BIS9:48 pmBismarck

Jan 1

BIS8:10 amBismarck

5h 10m

1 stop

STL1:20 pmLambert-St Louis

$458

Find similar

American Airlines flights from St. Louis to Bismarck

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

American Airlines

Dec 13

STL8:54 amLambert-St Louis

13h 24m

2 stops

BIS10:18 pmBismarck

Jan 1

BIS1:01 pmBismarck

6h 30m

1 stop

STL7:31 pmLambert-St Louis

$595

Find similar

American Airlines

Dec 13

STL8:54 amLambert-St Louis

13h 24m

2 stops

BIS10:18 pmBismarck

Jan 1

BIS1:01 pmBismarck

6h 30m

1 stop

STL7:31 pmLambert-St Louis

$633

Find similar

American Airlines

Dec 13

STL8:54 amLambert-St Louis

13h 24m

2 stops

BIS10:18 pmBismarck

Jan 1

BIS2:39 pmBismarck

9h 05m

2 stops

STL11:44 pmLambert-St Louis

$718

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

Thu 12/25

6:05 am-10:38 am

1 stop4h 33m

Bismarck

Mon 12/29

5:37 pm-10:16 pm

1 stop4h 39m

$339

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

Wed 1/7

6:00 pm-11:30 pm

1 stop5h 30m

Bismarck

Sat 1/10

1:35 pm-8:58 pm

1 stop7h 23m

$398

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

Wed 1/7

8:45 am-4:32 pm

1 stop7h 47m

Bismarck

Sat 1/10

1:35 pm-8:58 pm

1 stop7h 23m

$408

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

Wed 1/7

3:11 pm-12:51 pm

2 stops21h 40m

Bismarck

Sat 1/10

1:35 pm-8:58 pm

1 stop7h 23m

$551

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

Wed 1/7

6:00 am-11:30 pm

3 stops17h 30m

Bismarck

Sat 1/10

1:35 pm-8:58 pm

1 stop7h 23m

$556

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

Thu 12/25

2:45 pm-8:16 pm

1 stop5h 31m

Bismarck

Mon 12/29

8:10 am-10:43 pm

2 stops14h 33m

$711

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

Thu 12/25

8:05 am-8:16 pm

2 stops12h 11m

Bismarck

Mon 12/29

5:45 am-5:54 pm

2 stops12h 09m

$965

Flights are sorted by cheapest round-trip flights first.

Sorted 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

What is the cheapest month to fly to Bismarck?

In general, December 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 December, then book flights to Bismarck from St. Louis during March instead. Flights to Bismarck in March, while not as cheap as those in December, still average around $294.

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 50% 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

Fastest flight time	4h 33m
Direct flights	None

The fastest flight from St. Louis to Bismarck takes 4h 33m

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

Search flight deals

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 33m, 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 December 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 73% of the total bookings. Other popular airlines include American Airlines with 27%.

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 11,050 reviews		Search American Airlines flights
Delta	PriceFrom $248	Free Cancellation	Rating 7.9 8,007 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.