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Cheap flights from Bismarck to St. Louis from $239

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 10/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Bismarck to St. Louis (BIS-STL)

Cheap round-trip flights

American Airlines Logo
2:32 pm - 10:50 pmBIS-STL
8h 18m1 stop
American Airlines Logo
7:16 am - 2:01 pmSTL-BIS
6h 45m1 stop
$259American Airlines
Find Deal
Fri, Sep 19 - Tue, Sep 23
American Airlines Logo
2:32 pm - 10:50 pmBIS-STL
8h 18m1 stop
American Airlines Logo
9:57 am - 10:26 pmSTL-BIS
12h 29m2 stops
$264American Airlines
Find Deal
Fri, Sep 19 - Tue, Sep 23
American Airlines Logo
2:32 pm - 8:15 pmBIS-STL
5h 43m1 stop
American Airlines Logo
7:59 pm - 12:21 pmSTL-BIS
16h 22m1 stop
$291American Airlines
Find Deal
Fri, Sep 26 - Mon, Sep 29
American Airlines Logo
2:32 pm - 10:50 pmBIS-STL
8h 18m1 stop
American Airlines Logo
6:05 am - 1:18 pmSTL-BIS
7h 13m1 stop
$319American Airlines
Find Deal
Wed, Sep 17 - Sun, Sep 21
American Airlines Logo
2:32 pm - 8:15 pmBIS-STL
5h 43m1 stop
American Airlines Logo
8:23 am - 10:26 pmSTL-BIS
14h 03m2 stops
$382American Airlines
Find Deal
Fri, Sep 26 - Mon, Sep 29
American Airlines Logo
6:19 am - 6:32 pmBIS-STL
12h 13m2 stops
American Airlines Logo
7:23 am - 1:18 pmSTL-BIS
5h 55m1 stop
$408American Airlines
Find Deal
Wed, Sep 17 - Sun, Sep 21
Delta Logo
5:00 am - 8:51 amBIS-STL
3h 51m1 stop
Delta Logo
6:00 am - 10:40 amSTL-BIS
4h 40m1 stop
$477Delta
Find Deal
Wed, Oct 22 - Thu, Oct 23
Delta Logo
5:00 am - 8:55 amBIS-STL
3h 55m1 stop
Delta Logo
12:49 pm - 7:47 pmSTL-BIS
6h 58m1 stop
$519Delta
Find Deal
Tue, Nov 25 - Sat, Nov 29
American Airlines Logo
2:49 pm - 11:54 pmBIS-STL
9h 05m2 stops
American Airlines Logo
8:49 am - 2:19 pmSTL-BIS
5h 30m1 stop
$544American Airlines
Find Deal
Wed, Oct 22 - Thu, Oct 23
United Airlines Logo
5:45 am - 10:22 pmBIS-STL
16h 37m2 stops
United Airlines Logo
9:35 pm - 2:45 amSTL-BIS
5h 10m1 stop
$770United Airlines
Find Deal
Tue, Nov 25 - Sat, Nov 29

Delta flights from Bismarck to St. Louis

Our best Delta deals on Bismarck to St. Louis flight tickets
Delta
Oct 22
BIS5:00 amBismarck
3h 51m
1 stop
STL8:51 amLambert-St Louis
Oct 23
STL6:00 amLambert-St Louis
4h 40m
1 stop
BIS10:40 amBismarck
$477
Find similar
Delta
Nov 25
BIS5:00 amBismarck
3h 55m
1 stop
STL8:55 amLambert-St Louis
Nov 29
STL12:49 pmLambert-St Louis
6h 58m
1 stop
BIS7:47 pmBismarck
$519
Find similar

American Airlines flights from Bismarck to St. Louis

Our best American Airlines deals on Bismarck to St. Louis flight tickets
American Airlines
Sep 19
BIS2:32 pmBismarck
8h 18m
1 stop
STL10:50 pmLambert-St Louis
Sep 23
STL7:16 amLambert-St Louis
6h 45m
1 stop
BIS2:01 pmBismarck
$259
Find similar
American Airlines
Sep 19
BIS2:32 pmBismarck
8h 18m
1 stop
STL10:50 pmLambert-St Louis
Sep 23
STL9:57 amLambert-St Louis
12h 29m
2 stops
BIS10:26 pmBismarck
$264
Find similar
American Airlines
Sep 26
BIS2:32 pmBismarck
5h 43m
1 stop
STL8:15 pmLambert-St Louis
Sep 29
STL7:59 pmLambert-St Louis
16h 22m
1 stop
BIS12:21 pmBismarck
$291
Find similar

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 September 4, 2025.
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

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Fri 9/19

2:32 pm-10:50 pm

1 stop8h 18m

Lambert-St Louis

Tue 9/23

7:16 am-2:01 pm

1 stop6h 45m

$259

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Fri 9/19

2:32 pm-10:50 pm

1 stop8h 18m

Lambert-St Louis

Tue 9/23

9:57 am-10:26 pm

2 stops12h 29m

$264

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Fri 9/26

2:32 pm-8:15 pm

1 stop5h 43m

Lambert-St Louis

Mon 9/29

7:59 pm-12:21 pm

1 stop16h 22m

$291

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Wed 9/17

2:32 pm-10:50 pm

1 stop8h 18m

Lambert-St Louis

Sun 9/21

6:05 am-1:18 pm

1 stop7h 13m

$319

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Fri 9/26

2:32 pm-8:15 pm

1 stop5h 43m

Lambert-St Louis

Mon 9/29

8:23 am-10:26 pm

2 stops14h 03m

$382

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Wed 9/17

6:19 am-6:32 pm

2 stops12h 13m

Lambert-St Louis

Sun 9/21

7:23 am-1:18 pm

1 stop5h 55m

$408

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Wed 10/22

5:00 am-8:51 am

1 stop3h 51m

Lambert-St Louis

Thu 10/23

6:00 am-10:40 am

1 stop4h 40m

$477

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Tue 11/25

5:00 am-8:55 am

1 stop3h 55m

Lambert-St Louis

Sat 11/29

12:49 pm-7:47 pm

1 stop6h 58m

$519

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Wed 10/22

2:49 pm-11:54 pm

2 stops9h 05m

Lambert-St Louis

Thu 10/23

8:49 am-2:19 pm

1 stop5h 30m

$544

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Tue 11/25

5:45 am-10:22 pm

2 stops16h 37m

Lambert-St Louis

Sat 11/29

9:35 pm-2:45 am

1 stop5h 10m

$770

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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, 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

Direct flights

None
There are no direct flights from Bismarck to St. Louis. There are no popular flight routes from Bismarck to St. Louis.
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  • 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 51m.

  • 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 $228Free CancellationRating
7.9
7,977 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
Florissant
Maryland Heights
O'Fallon
Fenton
Collinsville
Wentzville
Alton
St. Peters
Farmington
Festus
Glencoe
Clayton
Edwardsville
Eureka
Litchfield
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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