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Bismarck

$249+ Cheap flights from St. Louis to Bismarck (STL - BIS)

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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BIS
nov. 22 — nov. 291
sáb. 11/22
sáb. 11/29
1 adult, Economy
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Find flight deals from St. Louis to Bismarck

Cheapest flights from St. Louis to Bismarck
Explore the most affordable flight options available from St. Louis to Bismarck. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 23, 2025.

This Delta deal was found by Cheapflights users on 10/21. 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.
mié. 11/56:00 amSTL - BIS
1 stop4h 40mDelta
dom. 11/97:31 amBIS - STL
1 stop4h 28mDelta
Deal found 10/21$259
This Delta deal was found by Cheapflights users on 10/21. 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.
mar. 11/1812:49 pmSTL - BIS
1 stop4h 06mDelta
mar. 11/255:00 amBIS - STL
1 stop3h 55mDelta
Deal found 10/21$279
This Delta deal was found by Cheapflights users on 10/21. 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.
sáb. 11/226:00 amSTL - BIS
1 stop5h 39mDelta
vie. 11/286:00 amBIS - STL
1 stop5h 59mDelta
Deal found 10/21$284
This United Airlines deal was found by Cheapflights users on 10/23. 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.
vie. 11/74:43 pmSTL - BIS
1 stop6h 56mUnited Airlines
mar. 11/111:56 pmBIS - STL
1 stop7h 58mUnited Airlines
Deal found 10/23$329
This Delta deal was found by Cheapflights users on 10/23. 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.
sáb. 12/136:00 amSTL - BIS
1 stop5h 40mDelta
jue. 1/17:38 amBIS - STL
1 stop7h 25mDelta
Deal found 10/23$374
This American Airlines deal was found by Cheapflights users on 10/21. 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.
mar. 11/183:59 pmSTL - BIS
1 stop6h 23mAmerican Airlines
mar. 11/2512:55 pmBIS - STL
1 stop6h 32mAmerican Airlines
Deal found 10/21$378
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/197:45 pmSTL - BIS
2 stops14h 56mMultiple Airlines
dom. 11/308:24 pmBIS - STL
1 stop18h 44mMultiple Airlines
Deal found 10/21$379
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/209:54 pmSTL - BIS
2 stops38h 16mMultiple Airlines
dom. 11/308:24 pmBIS - STL
1 stop18h 44mMultiple Airlines
Deal found 10/21$401
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/247:04 pmSTL - BIS
2 stops16h 17mMultiple Airlines
dom. 11/308:24 pmBIS - STL
1 stop18h 44mMultiple Airlines
Deal found 10/21$408
This United Airlines deal was found by Cheapflights users on 10/21. 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.
sáb. 12/131:35 pmSTL - BIS
1 stop8h 13mUnited Airlines
jue. 1/15:45 amBIS - STL
1 stop7h 35mUnited Airlines
Deal found 10/21$428

Cheap flight deals from St. Louis to Bismarck

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Bismarck (BIS). 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 octubre 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$249
(Delta)

Popular in

July

Cheapest in

March

Average price

$308
Provider with most accurate pricing for Lambert-St Louis-Bismarck flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Bismarck flights.
Search Deals
From Lambert-St Louis to Bismarck
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($61 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Bismarck 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 octubre 23, 2025.
Use the filters below to find and compare flights from St. Louis to Bismarck that are best for you.

Fly from

St. Louis

Fly to

Bismarck

Route

Depart

Return

Price

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

mié. 4/15

6:30 am-12:41 pm

1 stop6h 11m

Bismarck

sáb. 4/18

11:30 am-4:45 pm

1 stop5h 15m

$249

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

mié. 11/5

6:00 am-10:40 am

1 stop4h 40m

Bismarck

dom. 11/9

7:31 am-11:59 am

1 stop4h 28m

$259

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

mar. 11/18

12:49 pm-4:55 pm

1 stop4h 06m

Bismarck

mar. 11/25

5:00 am-8:55 am

1 stop3h 55m

$279

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

sáb. 11/22

6:00 am-11:39 am

1 stop5h 39m

Bismarck

vie. 11/28

6:00 am-11:59 am

1 stop5h 59m

$284

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

mié. 4/15

6:05 am-12:01 pm

1 stop5h 56m

Bismarck

sáb. 4/18

3:04 pm-11:24 pm

2 stops8h 20m

$324

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

vie. 11/7

4:43 pm-11:39 pm

1 stop6h 56m

Bismarck

mar. 11/11

1:56 pm-9:54 pm

1 stop7h 58m

$329

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/20

Compare providers for flights from St. Louis to Bismarck

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 St. Louis to Bismarck in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 St. Louis-Bismarck flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Bismarck flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Bismarck flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Bismarck flights, Cheapflights users trust FlightHub the most. FlightHub 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 St. Louis-Bismarck 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 St. Louis to Bismarck

Have a flexible travel schedule? Discover the best time to fly to Bismarck from St. Louis 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 St. Louis to Bismarck

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

Currently, March is the cheapest month in which you can book a flight from St. Louis to Bismarck (average of $223). Flying from St. Louis to Bismarck in February is currently the most expensive (average of $478). 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.

What is the cheapest time of day to fly from STL to BIS?

Find hourly flight availability from St. Louis to Bismarck. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 23, 2025.

A simple way to save on the total cost of your ticket is to fly from St. Louis to Bismarck at noon. If you’re flexible enough to do this you can expect to save up to 32% on your trip compared to booking a flight in the morning.

How much does it cost to fly round-trip from St. Louis to Bismarck?

Reviews of airlines servicing Bismarck

Get insights into the airlines that provide service to Bismarck. 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 Bismarck. Reviews last updated octubre 23, 2025.
Read through reviews of airlines operating flights from St. Louis to Bismarck, such as Delta and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,982 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,982 reviews
Delta
7.9
Good
7,982 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,032 reviews
Delta
7.9
Good
7,982 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Bismarck. 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 St. Louis to Bismarck?

    There are many flights that can get you from St. Louis to Bismarck in 6h 11m. Fly via Delta to get the fastest option. The distance from St. Louis to Bismarck is about 763 mi.

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

    Currently priced at $223, American Airlines will fly you from St. Louis to Bismarck and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Delta for as low as $248. These flights start at 36% lower than the current average price 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Bismarck 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 St. Louis to Bismarck?

    Currently, March is the cheapest month in which you can book a flight from St. Louis to Bismarck (average of $223). Flying from St. Louis to Bismarck in February is currently the most expensive (average of $478). 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

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Alternative routes for St. Louis to Bismarck

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Top 2 airlines flying from St. Louis to Bismarck

Discover the top 2 airlines that operate flights from St. Louis to Bismarck. 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 octubre 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$223Average$323FlexibilityNo cancel feeOn-time71%
DeltaCheapest$248Average$333FlexibilityNo cancel feeOn-timeN/A

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