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Bismarck

$211+ 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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BIS
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$249
(Delta)

One-way from

$211
(Delta)

Popular in

February

Cheapest in

March

Average price

$378
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. 8% potential increase in price ($29 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This Delta deal was found by Cheapflights users on 7/1. 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.
Wed 8/66:30 amSTL - BIS
1 stop4h 07mDelta
Tue 8/125:01 amBIS - STL
1 stop3h 33mDelta
Deal found 7/1$249
This American Airlines deal was found by Cheapflights users on 7/1. 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.
Wed 8/610:16 amSTL - BIS
2 stops12h 01mAmerican Airlines
Tue 8/122:59 pmBIS - STL
1 stop8h 15mAmerican Airlines
Deal found 7/1$254
This United Airlines deal was found by Cheapflights users on 7/2. 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.
Sat 7/125:15 amSTL - BIS
1 stop5h 19mUnited Airlines
Tue 7/159:20 amBIS - STL
1 stop7h 09mUnited Airlines
Deal found 7/2$369
This Mytrip deal was found by Cheapflights users on 7/1. 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.
Sun 7/206:05 amSTL - BIS
2 stops15h 00mMultiple Airlines
Sun 8/39:55 pmBIS - STL
2 stops11h 57mMultiple Airlines
Deal found 7/1$582

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 July 3, 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

Wed 8/6

6:30 am-10:37 am

1 stop4h 07m

Bismarck

Tue 8/12

5:01 am-8:34 am

1 stop3h 33m

$249

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

Wed 8/6

10:16 am-10:17 pm

2 stops12h 01m

Bismarck

Tue 8/12

1:22 pm-7:21 pm

1 stop5h 59m

$254

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

Sat 7/12

5:15 am-10:34 am

1 stop5h 19m

Bismarck

Tue 7/15

9:20 am-4:29 pm

1 stop7h 09m

$369

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

Sun 7/20

6:05 am-9:05 pm

2 stops15h 00m

Bismarck

Sun 8/3

9:55 pm-9:52 am

2 stops11h 57m

$582

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

Fri 8/8

5:37 pm-11:20 pm

1 stop5h 43m

$211

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

Fri 8/8

8:43 am-10:17 pm

2 stops13h 34m

$244

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

Sun 7/13

5:15 am-1:00 pm

1 stop7h 45m

$360

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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 $431). 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 July 3, 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.

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 July 3, 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
7,982 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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
7,982 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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 $254 and $406, 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 Delta. According to our data, you can fly for as low as $211. Users have also found prices from $244 and $360 on American Airlines and United Airlines, 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 $431). 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$223Average$323FlexibilityNo cancel feeOn-time71%
DeltaCheapest$248Average$333FlexibilityNo cancel feeOn-timeN/A

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