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Cheap flights from Bismarck to St. Louis from $274

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Bismarck to St. Louis departing on 10/30. 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
0 bags

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Find the cheapest flights from Bismarck to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:42 pm - 11:23 pm
BIS
-
STL
5h 41m
1 stop
Delta Logo
5:36 pm - 11:24 pm
STL
-
BIS
5h 48m
1 stop
$309Delta
Fri, Jun 12 - Fri, Jun 19
Delta Logo
12:35 pm - 4:54 pm
BIS
-
STL
4h 19m
1 stop
Delta Logo
6:30 am - 11:54 am
STL
-
BIS
5h 24m
1 stop
$319Delta
Sat, Oct 10 - Sat, Oct 17
American Airlines Logo
12:42 pm - 8:30 pm
BIS
-
STL
7h 48m
1 stop
American Airlines Logo
6:35 am - 12:24 pm
STL
-
BIS
5h 49m
1 stop
$329American Airlines
Thu, May 28 - Tue, Jun 2
American Airlines Logo
12:42 pm - 8:30 pm
BIS
-
STL
7h 48m
1 stop
American Airlines Logo
6:35 am - 12:24 pm
STL
-
BIS
5h 49m
1 stop
$339American Airlines
Thu, May 28 - Tue, Jun 2
American Airlines Logo
12:42 pm - 8:30 pm
BIS
-
STL
7h 48m
1 stop
American Airlines Logo
7:05 am - 12:24 pm
STL
-
BIS
5h 19m
1 stop
$358American Airlines
Thu, May 28 - Tue, Jun 2
American Airlines Logo
12:42 pm - 8:30 pm
BIS
-
STL
7h 48m
1 stop
American Airlines Logo
7:00 am - 12:12 pm
STL
-
BIS
5h 12m
1 stop
$407American Airlines
Thu, May 28 - Sat, May 30
American Airlines Logo
12:42 pm - 8:30 pm
BIS
-
STL
7h 48m
1 stop
American Airlines Logo
12:45 pm - 11:57 pm
STL
-
BIS
11h 12m
2 stops
$412American Airlines
Thu, May 28 - Tue, Jun 2
American Airlines Logo
12:42 pm - 8:30 pm
BIS
-
STL
7h 48m
1 stop
American Airlines Logo
12:45 pm - 11:57 pm
STL
-
BIS
11h 12m
2 stops
$419American Airlines
Thu, May 28 - Tue, Jun 2
American Airlines Logo
2:00 pm - 9:37 pm
BIS
-
STL
7h 37m
1 stop
American Airlines Logo
7:03 am - 12:17 pm
STL
-
BIS
5h 14m
1 stop
$423American Airlines
Wed, Jun 10 - Wed, Jun 17
American Airlines Logo
12:42 pm - 8:30 pm
BIS
-
STL
7h 48m
1 stop
American Airlines Logo
12:45 pm - 11:57 pm
STL
-
BIS
11h 12m
2 stops
$431American Airlines
Thu, May 28 - Tue, Jun 2

American Airlines flights from Bismarck to St. Louis

Our best American Airlines deals on Bismarck to St. Louis flight tickets
American Airlines
May 28
BIS12:42 pmBismarck
7h 48m
1 stop
STL8:30 pmLambert-St Louis
Jun 2
STL6:35 amLambert-St Louis
5h 49m
1 stop
BIS12:24 pmBismarck
$329
American Airlines
May 28
BIS12:42 pmBismarck
7h 48m
1 stop
STL8:30 pmLambert-St Louis
Jun 2
STL6:35 amLambert-St Louis
5h 49m
1 stop
BIS12:24 pmBismarck
$339
American Airlines
May 28
BIS12:42 pmBismarck
7h 48m
1 stop
STL8:30 pmLambert-St Louis
Jun 2
STL7:05 amLambert-St Louis
5h 19m
1 stop
BIS12:24 pmBismarck
$358

United Airlines flights from Bismarck to St. Louis

Our best United Airlines deals on Bismarck to St. Louis flight tickets
United Airlines
Oct 24
BIS5:45 amBismarck
6h 55m
1 stop
STL12:40 pmLambert-St Louis
Oct 28
STL4:30 pmLambert-St Louis
7h 07m
1 stop
BIS11:37 pmBismarck
$439
United Airlines
Oct 24
BIS5:45 amBismarck
6h 55m
1 stop
STL12:40 pmLambert-St Louis
Oct 28
STL9:23 amLambert-St Louis
14h 14m
2 stops
BIS11:37 pmBismarck
$562
United Airlines
Oct 24
BIS5:45 amBismarck
6h 55m
1 stop
STL12:40 pmLambert-St Louis
Oct 28
STL6:15 amLambert-St Louis
17h 22m
3 stops
BIS11:37 pmBismarck
$634

momondo Fare Finder

 
Customize your flight search to find flights from Bismarck to St. Louis 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 May 15, 2026.
Use the filters below to find and compare flights from Bismarck to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Fri 6/12

5:42 pm-11:23 pm

1 stop5h 41m

Lambert-St Louis

Fri 6/19

5:36 pm-11:24 pm

1 stop5h 48m

$309
Quickest round-trip

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Sat 10/10

12:35 pm-4:54 pm

1 stop4h 19m

Lambert-St Louis

Sat 10/17

6:30 am-11:54 am

1 stop5h 24m

$319

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Thu 5/28

12:42 pm-8:30 pm

1 stop7h 48m

Lambert-St Louis

Tue 6/2

6:35 am-12:24 pm

1 stop5h 49m

$329

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Thu 5/28

12:42 pm-8:30 pm

1 stop7h 48m

Lambert-St Louis

Tue 6/2

6:35 am-12:24 pm

1 stop5h 49m

$339

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Thu 5/28

12:42 pm-8:30 pm

1 stop7h 48m

Lambert-St Louis

Tue 6/2

7:05 am-12:24 pm

1 stop5h 19m

$358

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Thu 5/28

12:42 pm-8:30 pm

1 stop7h 48m

Lambert-St Louis

Sat 5/30

7:00 am-12:12 pm

1 stop5h 12m

$407

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Thu 5/28

12:42 pm-8:30 pm

1 stop7h 48m

Lambert-St Louis

Tue 6/2

12:45 pm-11:57 pm

2 stops11h 12m

$412

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Thu 5/28

12:42 pm-8:30 pm

1 stop7h 48m

Lambert-St Louis

Tue 6/2

12:45 pm-11:57 pm

2 stops11h 12m

$419

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Wed 6/10

2:00 pm-9:37 pm

1 stop7h 37m

Lambert-St Louis

Wed 6/17

7:03 am-12:17 pm

1 stop5h 14m

$423

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Thu 5/28

12:42 pm-8:30 pm

1 stop7h 48m

Lambert-St Louis

Tue 6/2

12:45 pm-11:57 pm

2 stops11h 12m

$431

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to St. Louis from

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, January 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 $0. The month of February is another great option to travel to St. Louis, with average flight prices from Bismarck averaging around $269.

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 19m

Direct flights

None
The fastest flight from Bismarck to St. Louis takes 4h 19m
There are no direct flights from Bismarck to St. Louis. There are no popular flight routes from Bismarck to St. Louis.
Search flight deals

Frequently asked questions about flying from Bismarck to St. Louis

  • 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 19m.

  • 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?

  • 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?

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
DeltaPriceFrom $269Free CancellationRating
7.9
8,452 reviews
Search Delta flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Maryland Heights
O'Fallon
Florissant
St. Peters
Collinsville
Alton
Wentzville
Fenton
Farmington
Festus
Clayton
Eureka
Litchfield
Edwardsville
Shrewsbury
Grafton

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.

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