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

Prices for flights from Bismarck Airport to Lambert-St Louis Airport were last updated today.

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

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

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Bismarck Airport to Lambert-St Louis Airport.

What documentation or ID do you need to fly to Lambert-St Louis Airport?

The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$226 Cheap Flights from Bismarck to St. Louis in 2025/26

Q: What is the typical price of a round-trip flight between Bismarck and St. Louis?

Prices are currently low for flights on this route. Typical prices usually range from $407 to $570. The lowest price recently found on this route was $339.

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Find the cheapest flights from Bismarck to St. Louis

Round-trip

One-way

Cheap round-trip flights

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1:35 pm - 8:58 pm

BIS

STL

7h 23m1 stop

6:00 pm - 11:30 pm

STL

BIS

5h 30m1 stop

$339United Airlines

Sat, Jan 24 - Wed, Jan 28

1:35 pm - 8:58 pm

BIS

STL

7h 23m1 stop

9:57 am - 11:30 pm

STL

BIS

13h 33m2 stops

$479United Airlines

Sat, Jan 24 - Wed, Jan 28

1:35 pm - 8:58 pm

BIS

STL

7h 23m1 stop

6:30 am - 8:38 pm

STL

BIS

14h 08m2 stops

$482United Airlines

Sat, Jan 24 - Wed, Jan 28

1:35 pm - 8:58 pm

BIS

STL

7h 23m1 stop

6:00 am - 11:30 pm

STL

BIS

17h 30m3 stops

$487United Airlines

Sat, Jan 24 - Wed, Jan 28

1:35 pm - 8:58 pm

BIS

STL

7h 23m1 stop

6:00 am - 11:30 pm

STL

BIS

17h 30m3 stops

$488United Airlines

Sat, Jan 24 - Wed, Jan 28

2:58 pm - 10:59 pm

BIS

STL

8h 01m1 stop

3:37 pm - 10:27 pm

STL

BIS

6h 50m1 stop

$578American Airlines

Tue, Jan 20 - Thu, Jan 22

2:58 pm - 10:59 pm

BIS

STL

8h 01m1 stop

11:05 am - 10:27 pm

STL

BIS

11h 22m2 stops

$583American Airlines

Tue, Jan 20 - Thu, Jan 22

6:16 am - 6:16 pm

BIS

STL

12h 00m2 stops

11:05 am - 10:27 pm

STL

BIS

11h 22m2 stops

$728American Airlines

Tue, Jan 20 - Thu, Jan 22

United Airlines flights from Bismarck to St. Louis

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

United Airlines

Jan 24

BIS1:35 pmBismarck

7h 23m

1 stop

STL8:58 pmLambert-St Louis

Jan 28

STL6:00 pmLambert-St Louis

5h 30m

1 stop

BIS11:30 pmBismarck

$339

Find similar

United Airlines

Jan 24

BIS1:35 pmBismarck

7h 23m

1 stop

STL8:58 pmLambert-St Louis

Jan 28

STL9:57 amLambert-St Louis

13h 33m

2 stops

BIS11:30 pmBismarck

$479

Find similar

United Airlines

Jan 24

BIS1:35 pmBismarck

7h 23m

1 stop

STL8:58 pmLambert-St Louis

Jan 28

STL6:30 amLambert-St Louis

14h 08m

2 stops

BIS8:38 pmBismarck

$482

Find similar

American Airlines flights from Bismarck to St. Louis

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

American Airlines

Jan 20

BIS2:58 pmBismarck

8h 01m

1 stop

STL10:59 pmLambert-St Louis

Jan 22

STL3:37 pmLambert-St Louis

6h 50m

1 stop

BIS10:27 pmBismarck

$578

Find similar

American Airlines

Jan 20

BIS2:58 pmBismarck

8h 01m

1 stop

STL10:59 pmLambert-St Louis

Jan 22

STL11:05 amLambert-St Louis

11h 22m

2 stops

BIS10:27 pmBismarck

$583

Find similar

American Airlines

Jan 20

BIS6:16 amBismarck

12h 00m

2 stops

STL6:16 pmLambert-St Louis

Jan 22

STL11:05 amLambert-St Louis

11h 22m

2 stops

BIS10:27 pmBismarck

$728

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Sat 1/24

1:35 pm-8:58 pm

1 stop7h 23m

Lambert-St Louis

Wed 1/28

6:00 pm-11:30 pm

1 stop5h 30m

$339

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Sat 1/24

1:35 pm-8:58 pm

1 stop7h 23m

Lambert-St Louis

Wed 1/28

9:57 am-11:30 pm

2 stops13h 33m

$479

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Sat 1/24

1:35 pm-8:58 pm

1 stop7h 23m

Lambert-St Louis

Wed 1/28

6:30 am-8:38 pm

2 stops14h 08m

$482

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Sat 1/24

1:35 pm-8:58 pm

1 stop7h 23m

Lambert-St Louis

Wed 1/28

6:00 am-11:30 pm

3 stops17h 30m

$487

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Sat 1/24

1:35 pm-8:58 pm

1 stop7h 23m

Lambert-St Louis

Wed 1/28

6:00 am-11:30 pm

3 stops17h 30m

$488

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Tue 1/20

2:58 pm-10:59 pm

1 stop8h 01m

Lambert-St Louis

Thu 1/22

3:37 pm-10:27 pm

1 stop6h 50m

$578

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Tue 1/20

2:58 pm-10:59 pm

1 stop8h 01m

Lambert-St Louis

Thu 1/22

11:05 am-10:27 pm

2 stops11h 22m

$583

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Tue 1/20

6:16 am-6:16 pm

2 stops12h 00m

Lambert-St Louis

Thu 1/22

11:05 am-10:27 pm

2 stops11h 22m

$728

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Bismarck to St. Louis

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 typical price of a round-trip flight between Bismarck and St. Louis?

What is the cheapest month to fly to St. Louis?

In general, May is the cheapest month to fly from Bismarck to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $248. The month of August is another great option to travel to St. Louis, with average flight prices from Bismarck averaging around $248.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Thursday when prices can be found for as low as $277. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $395. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Bismarck in the morning is the least expensive time of day to depart. momondo users have found prices as low as $322 when looking at flights departing in the morning. In the afternoon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $380 per ticket.

When to book flights from Bismarck to St. Louis

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

Estimated round-trip price

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

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

Fastest flight time	4h 39m
Direct flights	None

The fastest flight from Bismarck to St. Louis takes 4h 39m

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

Search flight deals

How far is Bismarck to Lambert-St Louis by plane?
The straight-line distance from Bismarck to Lambert-St Louis is 778.0 mi. By plane, this route typically takes 4h 39m.
When did momondo last update prices for flights from Bismarck Airport to Lambert-St Louis Airport?
Prices for flights from Bismarck Airport to Lambert-St Louis Airport were last updated today.
How many operators does momondo search for flights from Bismarck Airport to Lambert-St Louis Airport?
As of December 2025, there are 2 operators available to choose from for flights from Bismarck Airport to Lambert-St Louis Airport.
How old do you have to be to fly from Bismarck Airport to Lambert-St Louis Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Bismarck Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Bismarck to St. Louis?
Based on momondo bookings for flights between Bismarck and St. Louis, the leading airline is Delta, making up 78% of the total bookings. Other popular airlines include American Airlines with 22%.

Best airlines flying from Bismarck to St. Louis

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $228	Free Cancellation	Rating 7.9 8,021 reviews		Search Delta flights
American Airlines	PriceFrom $248	Free Cancellation	Rating 7.2 11,050 reviews		Search American Airlines flights

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Florissant

Fenton

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Alton

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Glencoe

Eureka

Edwardsville

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Why use momondo?

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

It is quick and easy to find Bismarck to St. Louis flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to St. Louis that suits you.

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

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

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

momondo helps you find the best flight between Bismarck and St. Louis 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 Bismarck to St. Louis right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to St. Louis from Bismarck. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.