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St. Louis

$369+ Cheap flights from Bismarck to St. Louis (BIS - STL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
BIS — STL
janv. 11 — janv. 181
dim. 1/11
dim. 1/18
1 adult, Economy
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Cheap flight deals from Bismarck to St. Louis

Cheapest flights from Bismarck to St. Louis
Explore the most affordable flight options available from Bismarck to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on décembre 12, 2025.

This Delta deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 12/125:00 amBIS - STL
1 stop4h 10mDelta
dim. 12/146:00 amSTL - BIS
1 stop5h 07mDelta
Deal found 12/10$369
This American Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 12/122:29 pmBIS - STL
2 stops9h 30mAmerican Airlines
dim. 12/145:15 amSTL - BIS
1 stop7h 06mAmerican Airlines
Deal found 12/10$374
This Delta deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 12/267:38 amBIS - STL
1 stop7h 25mDelta
lun. 12/296:05 amSTL - BIS
1 stop6h 43mDelta
Deal found 12/11$563
This Delta deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 12/115:36 pmBIS - STL
1 stop5h 53mDelta
dim. 12/145:34 pmSTL - BIS
1 stop6h 04mDelta
Deal found 12/11$659
This American Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 12/262:39 pmBIS - STL
2 stops9h 16mAmerican Airlines
lun. 12/296:41 amSTL - BIS
1 stop5h 50mAmerican Airlines
Deal found 12/11$710
This American Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 12/262:39 pmBIS - STL
2 stops9h 16mAmerican Airlines
mar. 12/303:30 pmSTL - BIS
1 stop7h 31mAmerican Airlines
Deal found 12/11$726
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 12/115:15 pmBIS - STL
3 stops22h 25mUnited Airlines
dim. 12/144:37 pmSTL - BIS
1 stop6h 31mUnited Airlines
Deal found 12/11$846

Find flight deals from Bismarck to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Bismarck (BIS) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated décembre 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$413
(Delta)

Popular in

October

Cheapest in

May

Average price

$473
Provider with most accurate pricing for Bismarck-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bismarck-Lambert-St Louis flights.
Search Deals
From Bismarck to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($73 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated décembre 12, 2025.
Use the filters below to find and compare flights from Bismarck to St. Louis that are best for you.

Fly from

Bismarck

Fly to

St. Louis

Route

Depart

Return

Price

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

ven. 1/30

9:00 am-4:55 pm

1 stop7h 55m

Lambert-St Louis

mar. 2/3

8:45 am-4:32 pm

1 stop7h 47m

$443

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

mar. 4/7

1:30 pm-8:45 pm

1 stop7h 15m

Lambert-St Louis

jeu. 4/9

6:02 pm-11:37 pm

1 stop5h 35m

$497

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

ven. 12/26

1:28 pm-6:20 pm

1 stop4h 52m

Lambert-St Louis

mar. 12/30

6:05 am-10:38 am

1 stop4h 33m

$563

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

ven. 12/26

7:38 am-3:03 pm

1 stop7h 25m

Lambert-St Louis

lun. 12/29

6:05 am-12:48 pm

1 stop6h 43m

$563

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

mar. 4/7

6:33 am-2:03 pm

1 stop7h 30m

Lambert-St Louis

mer. 4/8

11:14 am-9:27 pm

2 stops10h 13m

$598

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Compare providers for flights from Bismarck to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Bismarck to St. Louis in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Bismarck-St. Louis flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Bismarck-St. Louis flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Bismarck-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bismarck-St. Louis flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Bismarck-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Bismarck to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Bismarck with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Bismarck to St. Louis

What is the cheapest month to book a flight from Bismarck to St. Louis?

Currently, March is the cheapest month in which you can book a flight from Bismarck to St. Louis (average of $199). Flying from Bismarck to St. Louis in November is currently the most expensive (average of $428). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated décembre 12, 2025.
Read reviews from past customers who have flown Delta and American Airlines from Bismarck to St. Louis. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,008 reviews

Food

7.3

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,008 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,050 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Bismarck to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Bismarck to St. Louis?

    For as low as $443, United Airlines can have you in St. Louis from Bismarck in 7h 55m. There are 763 mi between Bismarck and St. Louis.

  • What are the cheapest airlines flying from Bismarck to St. Louis round-trip?

    According to our current data, Delta ($228), and American Airlines ($248) offers the cheapest pricing from Bismarck to St. Louis. Delta is priced at 36% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Bismarck to St. Louis that include hotel bookings?

    Yes. In addition to deals on Bismarck to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Bismarck to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bismarck to St. Louis.

  • Can I find deals for business class flights from Bismarck to St. Louis?

    Yes. Cheapflights offers flight deals from Bismarck to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Bismarck to St. Louis?

    Currently, March is the cheapest month in which you can book a flight from Bismarck to St. Louis (average of $199). Flying from Bismarck to St. Louis in November is currently the most expensive (average of $428). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Swansea
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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Top 2 airlines flying from Bismarck to St. Louis

Discover the top 2 airlines that operate flights from Bismarck to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated décembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$228Average$358FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$248Average$293FlexibilityNo cancel feeOn-time71%

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