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Cheap flights from Bismarck to St. Louis from $309

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Bismarck to St. Louis departing on 8/21. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Bismarck to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:00 am - 10:23 am
BIS
-
STL
5h 23m
1 stop
Delta Logo
6:20 am - 12:47 pm
STL
-
BIS
6h 27m
1 stop
$309Delta
Fri, Aug 21 - Sun, Aug 23
American Airlines Logo
1:55 pm - 12:14 am
BIS
-
STL
10h 19m
2 stops
American Airlines Logo
5:42 am - 1:25 pm
STL
-
BIS
7h 43m
1 stop
$393American Airlines
Fri, Aug 21 - Sun, Aug 23
Delta Logo
5:30 pm - 11:18 pm
BIS
-
STL
5h 48m
1 stop
Delta Logo
5:30 pm - 11:21 pm
STL
-
BIS
5h 51m
1 stop
$454Delta
Fri, Dec 18 - Mon, Jan 4
American Airlines Logo
1:55 pm - 7:53 pm
BIS
-
STL
5h 58m
1 stop
American Airlines Logo
7:07 am - 1:25 pm
STL
-
BIS
6h 18m
1 stop
$467American Airlines
Fri, Jul 31 - Sun, Aug 2
American Airlines Logo
1:55 pm - 12:16 am
BIS
-
STL
10h 21m
2 stops
American Airlines Logo
5:32 am - 1:25 pm
STL
-
BIS
7h 53m
1 stop
$472American Airlines
Fri, Jul 31 - Sun, Aug 2
United Airlines Logo
5:45 am - 12:43 pm
BIS
-
STL
6h 58m
1 stop
United Airlines Logo
1:30 pm - 8:03 pm
STL
-
BIS
6h 33m
1 stop
$475United Airlines
Sat, Dec 12 - Tue, Dec 15
United Airlines Logo
5:45 am - 12:43 pm
BIS
-
STL
6h 58m
1 stop
United Airlines Logo
4:30 pm - 11:37 pm
STL
-
BIS
7h 07m
1 stop
$479United Airlines
Sat, Dec 12 - Tue, Dec 15
Delta Logo
5:30 pm - 11:18 pm
BIS
-
STL
5h 48m
1 stop
Delta Logo
5:30 pm - 11:21 pm
STL
-
BIS
5h 51m
1 stop
$492Delta
Mon, Dec 21 - Mon, Jan 4
Delta Logo
5:30 pm - 11:18 pm
BIS
-
STL
5h 48m
1 stop
Delta Logo
12:30 pm - 4:54 pm
STL
-
BIS
4h 24m
1 stop
$512Delta
Tue, Dec 22 - Fri, Dec 25
United Airlines Logo
1:30 pm - 8:59 pm
BIS
-
STL
7h 29m
1 stop
United Airlines Logo
7:33 am - 11:37 pm
STL
-
BIS
16h 04m
3 stops
$517United Airlines
Sat, Dec 12 - Tue, Dec 15

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United Airlines flights from Bismarck to St. Louis

Our best United Airlines deals on Bismarck to St. Louis flight tickets
United Airlines
Dec 12
BIS5:45 amBismarck
6h 58m
1 stop
STL12:43 pmLambert-St Louis
Dec 15
STL1:30 pmLambert-St Louis
6h 33m
1 stop
BIS8:03 pmBismarck
$475
United Airlines
Dec 12
BIS5:45 amBismarck
6h 58m
1 stop
STL12:43 pmLambert-St Louis
Dec 15
STL4:30 pmLambert-St Louis
7h 07m
1 stop
BIS11:37 pmBismarck
$479
United Airlines
Dec 12
BIS1:30 pmBismarck
7h 29m
1 stop
STL8:59 pmLambert-St Louis
Dec 15
STL7:33 amLambert-St Louis
16h 04m
3 stops
BIS11:37 pmBismarck
$517

Delta flights from Bismarck to St. Louis

Our best Delta deals on Bismarck to St. Louis flight tickets
Delta
Aug 21
BIS5:00 amBismarck
5h 23m
1 stop
STL10:23 amLambert-St Louis
Aug 23
STL6:20 amLambert-St Louis
6h 27m
1 stop
BIS12:47 pmBismarck
$309
Delta
Dec 18
BIS5:30 pmBismarck
5h 48m
1 stop
STL11:18 pmLambert-St Louis
Jan 4
STL5:30 pmLambert-St Louis
5h 51m
1 stop
BIS11:21 pmBismarck
$454
Delta
Dec 21
BIS5:30 pmBismarck
5h 48m
1 stop
STL11:18 pmLambert-St Louis
Jan 4
STL5:30 pmLambert-St Louis
5h 51m
1 stop
BIS11:21 pmBismarck
$492

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 July 12, 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 8/21

5:00 am-10:23 am

1 stop5h 23m

Lambert-St Louis

Sun 8/23

6:20 am-12:47 pm

1 stop6h 27m

$309

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Fri 8/21

1:55 pm-12:14 am

2 stops10h 19m

Lambert-St Louis

Sun 8/23

5:42 am-1:25 pm

1 stop7h 43m

$393

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Fri 12/18

5:30 pm-11:18 pm

1 stop5h 48m

Lambert-St Louis

Mon 1/4

5:30 pm-11:21 pm

1 stop5h 51m

$454

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Fri 7/31

1:55 pm-7:53 pm

1 stop5h 58m

Lambert-St Louis

Sun 8/2

7:07 am-1:25 pm

1 stop6h 18m

$467

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Fri 7/31

1:55 pm-12:16 am

2 stops10h 21m

Lambert-St Louis

Sun 8/2

5:32 am-1:25 pm

1 stop7h 53m

$472

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Sat 12/12

5:45 am-12:43 pm

1 stop6h 58m

Lambert-St Louis

Tue 12/15

1:30 pm-8:03 pm

1 stop6h 33m

$475

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Sat 12/12

5:45 am-12:43 pm

1 stop6h 58m

Lambert-St Louis

Tue 12/15

4:30 pm-11:37 pm

1 stop7h 07m

$479

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Mon 12/21

5:30 pm-11:18 pm

1 stop5h 48m

Lambert-St Louis

Mon 1/4

5:30 pm-11:21 pm

1 stop5h 51m

$492
Quickest round-trip

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Tue 12/22

5:30 pm-11:18 pm

1 stop5h 48m

Lambert-St Louis

Fri 12/25

12:30 pm-4:54 pm

1 stop4h 24m

$512

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Sat 12/12

1:30 pm-8:59 pm

1 stop7h 29m

Lambert-St Louis

Tue 12/15

7:33 am-11:37 pm

3 stops16h 04m

$517

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

3h 46m

Direct flights

None
The fastest flight from Bismarck to St. Louis takes 3h 46m
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 3h 46m.

  • 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
7.8
8,458 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
Fairview Heights
Hermann
Collinsville
Florissant
St. Peters
Maryland Heights
O'Fallon
Alton
Farmington
Wentzville
Clayton
Fenton
Festus
Eureka
Edwardsville
Litchfield
Grafton
Shrewsbury

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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