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$309+ 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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
BIS — STL
Apr 15 — Apr 221
Wed 4/15
Wed 4/22
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 March 16, 2026.

This American Airlines deal was found by Cheapflights users on 3/13. 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.
Thu 4/92:26 pm
BIS
-
STL
1 stop8h 33m
American Airlines
Wed 4/155:20 am
STL
-
BIS
1 stop8h 36m
American Airlines
Deal found 3/13$309
This American Airlines deal was found by Cheapflights users on 3/10. 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.
Sat 4/252:26 pm
BIS
-
STL
2 stops9h 20m
American Airlines
Sat 5/25:51 am
STL
-
BIS
1 stop6h 38m
American Airlines
Deal found 3/10$314
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Fri 3/275:30 am
BIS
-
STL
1 stop7h 49m
United Airlines
Tue 3/318:54 am
STL
-
BIS
1 stop7h 29m
United Airlines
Deal found 3/12$338
This Delta deal was found by Cheapflights users on 3/11. 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.
Fri 3/207:40 am
BIS
-
STL
1 stop6h 44m
Delta
Sun 3/226:29 am
STL
-
BIS
1 stop4h 04m
Delta
Deal found 3/11$379
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Wed 6/36:25 pm
BIS
-
STL
1 stop5h 32m
United Airlines
Sat 6/65:10 am
STL
-
BIS
1 stop7h 46m
United Airlines
Deal found 3/12$389
This Delta deal was found by Cheapflights users on 3/13. 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 4/14:50 pm
BIS
-
STL
1 stop6h 35m
Delta
Sun 4/59:45 am
STL
-
BIS
1 stop6h 21m
Delta
Deal found 3/13$394
This American Airlines deal was found by Cheapflights users on 3/10. 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.
Tue 7/142:00 pm
BIS
-
STL
2 stops9h 56m
American Airlines
Tue 7/216:00 am
STL
-
BIS
1 stop6h 12m
American Airlines
Deal found 3/10$397
This Delta deal was found by Cheapflights users on 3/10. 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.
Wed 3/254:50 pm
BIS
-
STL
1 stop6h 35m
Delta
Sun 3/296:29 am
STL
-
BIS
1 stop4h 04m
Delta
Deal found 3/10$423
This United Airlines deal was found by Cheapflights users on 3/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/111:45 pm
BIS
-
STL
1 stop7h 09m
United Airlines
Tue 4/144:30 pm
STL
-
BIS
1 stop7h 13m
United Airlines
Deal found 3/10$438

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 March 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$309
(American Airlines)

Popular in

October

Cheapest in

May

Average price

$485
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 ($70 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 16, 2026.
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

Cheapest round-trip
Quickest round-trip

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Sat 4/25

8:05 am-11:39 am

1 stop3h 34m

Lambert-St Louis

Sat 5/2

12:23 pm-4:36 pm

1 stop4h 13m

$309

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Wed 6/3

6:25 pm-11:57 pm

1 stop5h 32m

Lambert-St Louis

Sat 6/6

5:10 am-12:56 pm

1 stop7h 46m

$389

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Wed 3/25

4:50 pm-11:25 pm

1 stop6h 35m

Lambert-St Louis

Sun 3/29

6:29 am-10:33 am

1 stop4h 04m

$423

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Sat 4/11

1:45 pm-8:54 pm

1 stop7h 09m

Lambert-St Louis

Tue 4/14

4:30 pm-11:43 pm

1 stop7h 13m

$438

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/10

Sorted by cheapest first

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bismarck-St. Louis flight deals on Cheapflights vs. FlightHub >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 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 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.

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 March 16, 2026.
Read reviews from past customers who have flown Delta 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
8,296 reviews

Comfort

7.9

Overall

7.9

Boarding

8.1

Food

7.2

Crew

8.5

Entertainment

7.8

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
8,296 reviews
Delta
7.9
Good
8,296 reviews

Comfort

7.9

Overall

7.9

Boarding

8.1

Food

7.2

Crew

8.5

Entertainment

7.8

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 $309, Delta can have you in St. Louis from Bismarck in 3h 34m. There are 763 mi between Bismarck and St. Louis. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Bismarck to St. Louis round-trip?

    According to our current data, Delta ($248), offers the cheapest pricing from Bismarck to St. Louis. Delta is priced at 31% 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.

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
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Bismarck to St. Louis

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Top airline flying from Bismarck to St. Louis

Discover the top airline 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 March 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$418FlexibilityNo cancel feeOn-timeN/A

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