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Bismarck

$239+ Cheap flights from St. Louis to Bismarck (STL - BIS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/13. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BIS
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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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 junio 12, 2025.

Round-trip from

$249
(Delta)

One-way from

$239
(American Airlines)

Popular in

February

Cheapest in

March

Average price

$338
From Lambert-St Louis to Bismarck
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One-way flight from Lambert-St Louis to Bismarck
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Highest demand for flights based on searches. 6% potential increase in price ($26 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 junio 12, 2025.

This Delta deal was found by Cheapflights users on 6/10. 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.
mar. 7/226:30 amSTL - BIS
1 stop6h 07mDelta
sáb. 7/265:00 amBIS - STL
1 stop3h 34mDelta
Deal found 6/10$249
This American Airlines deal was found by Cheapflights users on 6/11. 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.
mié. 8/67:01 amSTL - BIS
1 stop7h 19mAmerican Airlines
mar. 8/126:23 amBIS - STL
2 stops14h 02mAmerican Airlines
Deal found 6/11$296
This United Airlines deal was found by Cheapflights users on 6/11. 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.
vie. 7/185:15 amSTL - BIS
1 stop5h 19mUnited Airlines
mar. 7/2211:30 amBIS - STL
1 stop4h 59mUnited Airlines
Deal found 6/11$349
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/2512:15 pmSTL - BIS
3 stops32h 54mMultiple Airlines
dom. 6/2910:23 pmBIS - STL
3 stops19h 55mMultiple Airlines
Deal found 6/10$534

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 junio 12, 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

mar. 7/22

6:30 am-12:37 pm

1 stop6h 07m

Bismarck

sáb. 7/26

5:00 am-8:34 am

1 stop3h 34m

$249

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

mié. 8/6

7:01 am-2:20 pm

1 stop7h 19m

Bismarck

mar. 8/12

6:23 am-8:25 pm

2 stops14h 02m

$296

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

vie. 7/18

5:15 am-10:34 am

1 stop5h 19m

Bismarck

mar. 7/22

11:30 am-4:29 pm

1 stop4h 59m

$349

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

mié. 6/25

12:15 pm-9:09 pm

3 stops32h 54m

Bismarck

dom. 6/29

10:23 pm-6:18 pm

3 stops19h 55m

$534

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

dom. 7/13

6:00 am-12:09 pm

1 stop6h 09m

$239

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

dom. 7/13

5:15 am-10:34 am

1 stop5h 19m

$274

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

dom. 7/13

6:30 am-10:37 am

1 stop4h 07m

$290

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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, August is the cheapest month in which you can book a flight from St. Louis to Bismarck (average of $346). Flying from St. Louis to Bismarck in July is currently the most expensive (average of $447). 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 junio 12, 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 33% on your trip compared to booking a flight in the morning.

Rainfall in Bismarck by month

Plan your trip to Bismarck by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Bismarck ranges from 0.4 - 3.2 inches per month. June is typically the wettest month, when rainfall can reach 3.2 in. January is typically the driest time to visit Bismarck when rainfall is around 0.4 in.

Temperature in Bismarck by month

Plan your trip to Bismarck by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Bismarck, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 12.2 F).

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 junio 12, 2025.
Read through reviews of airlines operating flights from St. Louis to Bismarck, such as Delta, United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    Currently priced at $249, Delta will fly you from St. Louis to Bismarck and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from $296 and $349, respectively. These flights start at 28% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from St. Louis to Bismarck one-way?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $239. Users have also found prices from $274 and $290 on United Airlines and Delta, respectively.

  • 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, August is the cheapest month in which you can book a flight from St. Louis to Bismarck (average of $346). Flying from St. Louis to Bismarck in July is currently the most expensive (average of $447). 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

See prices for flight routes from nearby airports that may be better suited for you.
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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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$223Average$323FlexibilityNo cancel feeOn-time71%
DeltaCheapest$248Average$336FlexibilityNo cancel feeOn-timeN/A

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