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

For as low as $502, United Airlines can have you in St. Louis from Bismarck in 5h 45m. 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 ($228), offers the cheapest pricing from Bismarck to St. Louis. Delta is priced at 28% lower than the current average price of a flight leaving 3 months from now.

What is the cheapest day to fly from Bismarck to St. Louis?

Travelers seeking maximum savings on their Bismarck to St. Louis flight should consider departing on Thursday mornings when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

If weather is an important factor for your trip to St. Louis, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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

Monday flights are found to be more expensive to fly from Bismarck to St. Louis. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to St. Louis.

What is the cheapest month to fly from Bismarck to St. Louis?

Flights from Bismarck to St. Louis lean towards being more expensive in January. Prices are generally better when you fly from Bismarck to St. Louis in May, with the cheapest ticket starting at $248.

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

Unlike at noon, when flights are generally more expensive, you can save up to 16% on flights from Bismarck to St. Louis by exploring options for tickets in the morning.

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.

$339+ Flights from Bismarck to St. Louis

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

Airfare is typical for this route at the moment. Bismarck to St. Louis flights typically cost between $303 and $347 in September. The cheapest round-trip price found within the last 3 days was $339 on United Airlines (Sep 25-Sep 29).

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Bismarck to St. Louis with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Bismarck to St. Louis

Round-trip from	$339 (United Airlines)
Popular in	January
Cheapest in	May
Average price	$347

From Bismarck to Lambert-St Louis

Search Deals

Highest demand for flights based on searches. 6% potential increase in price ($22 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 September 2025

Search Deals

Find 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 septiembre 11, 2025.

jue. 9/115:20 pmBIS - STL

1 stop6h 33mUnited Airlines

dom. 9/145:15 amSTL - BIS

1 stop5h 20mUnited Airlines

Deal found 9/9

$339

jue. 9/252:31 pmBIS - STL

1 stop5h 45mAmerican Airlines

lun. 9/298:23 amSTL - BIS

2 stops14h 03mAmerican Airlines

Deal found 9/10

$502

jue. 9/115:32 pmBIS - STL

1 stop5h 37mDelta

dom. 9/146:00 amSTL - BIS

1 stop6h 34mDelta

Deal found 9/11

$654

Best flights from Bismarck to St. Louis
Discover carefully curated flight deals from Bismarck to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated septiembre 11, 2025.

jue. 9/256:00 amBIS - STL

1 stop6h 44mUnited Airlines

lun. 9/294:50 pmSTL - BIS

1 stop6h 49mUnited Airlines

Deal found 9/10

$339

jue. 9/252:31 pmBIS - STL

1 stop5h 45mAmerican Airlines

lun. 9/298:23 amSTL - BIS

2 stops14h 03mAmerican Airlines

Deal found 9/10

$502

Last-minute flights from Bismarck to St. Louis
Discover last-minute flight deals from Bismarck to St. Louis. Data last updated septiembre 11, 2025 and is based on user searches.

jue. 9/115:20 pmBIS - STL

1 stop6h 33mUnited Airlines

dom. 9/145:15 amSTL - BIS

1 stop5h 20mUnited Airlines

Deal found 9/9

$339

jue. 9/115:32 pmBIS - STL

1 stop5h 37mDelta

dom. 9/146:00 amSTL - BIS

1 stop6h 34mDelta

Deal found 9/11

$654

jue. 9/252:31 pmBIS - STL

1 stop5h 45mAmerican Airlines

lun. 9/298:23 amSTL - BIS

2 stops14h 03mAmerican Airlines

Deal found 9/10

$502

Cheapflights Fare Finder

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

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

jue. 9/25

6:00 am-12:44 pm

1 stop6h 44m

Lambert-St Louis

lun. 9/29

4:50 pm-11:39 pm

1 stop6h 49m

$339

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

jue. 9/25

2:31 pm-8:16 pm

1 stop5h 45m

Lambert-St Louis

lun. 9/29

8:23 am-10:26 pm

2 stops14h 03m

$502

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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, August is the cheapest month in which you can book a flight from Bismarck to St. Louis (average of $311). Flying from Bismarck to St. Louis in March is currently the most expensive (average of $356). 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.

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

Reviews of airlines servicing St. Louis

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

8.0

Very good

7,960 reviews

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

7,960 reviews

Delta

8.0

Very good

7,960 reviews

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

How long is the flight from Bismarck to St. Louis?
For as low as $502, United Airlines can have you in St. Louis from Bismarck in 5h 45m. 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 ($228), offers the cheapest pricing from Bismarck to St. Louis. Delta is priced at 28% 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, August is the cheapest month in which you can book a flight from Bismarck to St. Louis (average of $311). Flying from Bismarck to St. Louis in March is currently the most expensive (average of $356). 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

Edwardsville

O'Fallon

Fairview Heights

Maryland Heights

Collinsville

Eureka

Glencoe

St. Peters

Chesterfield

Alton

Farmington

Festus

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Bismarck to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$228	Average$333	FlexibilityNo cancel fee	On-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$339+ 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Bismarck to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Bismarck to St. Louis

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Bismarck to St. Louis

Cheapest flights from Bismarck to St. LouisExplore 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 septiembre 11, 2025.

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 septiembre 11, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Bismarck to St. Louis that are best for you.

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.

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?

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

Reviews of airlines servicing St. Louis

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.

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?

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

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

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

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

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

Traveling to a place near St. Louis?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Bismarck to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Bismarck to St. Louis

100% Free

Book with Flexibility

Travel Smart

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 septiembre 11, 2025.