$267+ 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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BIS
Nov 18 — Nov 251
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from St. Louis to Bismarck 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 St. Louis to Bismarck
Cheapest
Best
Last-minute
One-way
Cheapest flights from St. Louis to BismarckExplore 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 October 19, 2026.
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 October 19, 2026.
This American Airlines deal was found by Cheapflights users on 10/16. 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 10/317:29 am -
1 stop4h 54m
Wed 11/41:11 pm -
1 stop5h 06m
Deal found 10/16![American Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 10/19. 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 11/253:30 pm -
1 stop4h 01m
Mon 11/308:03 am -
1 stop4h 18m
Deal found 10/19![Delta logo]()
$393
This Delta deal was found by Cheapflights users on 10/15. 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 10/235:35 pm -
1 stop5h 50m
Tue 10/2712:40 pm -
1 stop4h 03m
Deal found 10/15![Delta logo]()
$449
This American Airlines deal was found by Cheapflights users on 10/15. 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.
Fri 10/235:00 am -
1 stop7h 23m
Tue 10/272:07 pm -
2 stops10h 12m
Deal found 10/15![American Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 10/19. 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.
Tue 11/249:45 am -
1 stop4h 47m
Mon 11/308:03 am -
1 stop6h 38m
Deal found 10/19![Delta logo]()
$459
This Delta deal was found by Cheapflights users on 10/15. 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.
Tue 10/203:35 pm -
1 stop4h 20m
Sat 10/245:15 pm -
1 stop6h 06m
Deal found 10/15![Delta logo]()
$464
This American Airlines deal was found by Cheapflights users on 10/15. 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 11/266:00 am -
1 stop7h 42m
Mon 11/301:22 pm -
1 stop21h 12m
Deal found 10/15![American Airlines logo]()
$490
This American Airlines deal was found by Cheapflights users on 10/15. 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 11/255:00 am -
1 stop8h 42m
Mon 11/301:22 pm -
1 stop6h 28m
Deal found 10/15![American Airlines logo]()
$557
Best flights from St. Louis to BismarckDiscover carefully curated flight deals from St. Louis to Bismarck that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
Discover carefully curated flight deals from St. Louis to Bismarck that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
This Delta deal was found by Cheapflights users on 10/19. 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 11/253:30 pm -
1 stop4h 01m
Mon 11/308:03 am -
1 stop4h 18m
Deal found 10/19![Delta logo]()
$393
This United Airlines deal was found by Cheapflights users on 10/17. 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 1/83:10 pm -
1 stop5h 22m
Tue 1/121:23 pm -
1 stop7h 15m
Deal found 10/17![United Airlines logo]()
$459
This American Airlines deal was found by Cheapflights users on 10/17. 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 11/255:00 am -
1 stop8h 42m
Mon 11/302:12 pm -
1 stop7h 47m
Deal found 10/17![American Airlines logo]()
$582
This American Airlines deal was found by Cheapflights users on 10/14. 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.
Mon 11/305:00 am -
1 stop7h 49m
Tue 12/12:12 pm -
1 stop6h 05m
Deal found 10/14![American Airlines logo]()
$587
Last-minute flights from St. Louis to BismarckDiscover last-minute flight deals from St. Louis to Bismarck. Data last updated October 19, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Bismarck. Data last updated October 19, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/15. 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.
Tue 10/203:35 pm -
1 stop4h 20m
Sat 10/245:15 pm -
1 stop6h 06m
Deal found 10/15![Delta logo]()
$464
This Delta deal was found by Cheapflights users on 10/15. 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 10/235:35 pm -
1 stop5h 50m
Tue 10/2712:40 pm -
1 stop4h 03m
Deal found 10/15![Delta logo]()
$449
This American Airlines deal was found by Cheapflights users on 10/15. 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.
Fri 10/235:00 am -
1 stop7h 23m
Tue 10/272:07 pm -
2 stops10h 12m
Deal found 10/15![American Airlines logo]()
$454
This American Airlines deal was found by Cheapflights users on 10/16. 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 10/317:29 am -
1 stop4h 54m
Wed 11/41:11 pm -
1 stop5h 06m
Deal found 10/16![American Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 10/19. 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.
Tue 11/249:45 am -
1 stop4h 47m
Mon 11/308:03 am -
1 stop6h 38m
Deal found 10/19![Delta logo]()
$459
This Delta deal was found by Cheapflights users on 10/19. 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 11/253:30 pm -
1 stop4h 01m
Mon 11/308:03 am -
1 stop4h 18m
Deal found 10/19![Delta logo]()
$393
This American Airlines deal was found by Cheapflights users on 10/15. 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 11/255:00 am -
1 stop8h 42m
Mon 11/301:22 pm -
1 stop6h 28m
Deal found 10/15![American Airlines logo]()
$557
This American Airlines deal was found by Cheapflights users on 10/15. 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 11/266:00 am -
1 stop7h 42m
Mon 11/301:22 pm -
1 stop21h 12m
Deal found 10/15![American Airlines logo]()
$490
One-way flights from St. Louis to BismarckSearch for one-way flight options from St. Louis to Bismarck. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
Search for one-way flight options from St. Louis to Bismarck. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/16. 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.
Thu 10/291:28 pm -
1 stop8h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Multiple Airlines logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 10/16. 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.
Wed 10/284:18 pm -
2 stops29h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Multiple Airlines logo]()
$278
This Delta deal was found by Cheapflights users on 10/16. 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 10/289:47 am -
1 stop4h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Delta logo]()
$410
This Delta deal was found by Cheapflights users on 10/16. 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.
Mon 10/263:35 pm -
1 stop4h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Delta logo]()
$439
This American Airlines deal was found by Cheapflights users on 10/16. 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 10/2911:32 am -
2 stops11h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![American Airlines logo]()
$444
This United Airlines deal was found by Cheapflights users on 10/16. 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.
Thu 10/224:39 pm -
1 stop7h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![United Airlines logo]()
$469
This Kiwi.com deal was found by Cheapflights users on 10/16. 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.
Mon 10/261:30 pm -
3 stops47h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Multiple Airlines logo]()
$490
This American Airlines deal was found by Cheapflights users on 10/16. 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.
Mon 10/2611:31 am -
2 stops11h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![American Airlines logo]()
$620
This American Airlines deal was found by Cheapflights users on 10/16. 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 10/2211:31 am -
2 stops11h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![American Airlines logo]()
$671
This Kiwi.com deal was found by Cheapflights users on 10/16. 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.
Thu 10/2212:16 pm -
3 stops23h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Multiple Airlines logo]()
$738
Find 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 October 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $389 (American Airlines) |
One-way from | $267 (Kiwi.com) |
Popular in | September |
Cheapest in | October |
Average price | $318 |
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 7,457,451 searches. Data last updated October 19, 2026.
Use the filters below to find and compare flights from St. Louis to Bismarck that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisBismarck
STL Lambert-St Louis - BIS Bismarck
STLBIS
Lambert-St Louis
Wed 10/28
4:18 pm-9:46 pm
2 stops29h 28m
Bismarck
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$278
St. LouisBismarck
STL Lambert-St Louis - BIS Bismarck
STLBIS
Lambert-St Louis
Wed 11/25
3:30 pm-7:31 pm
1 stop4h 01m
Bismarck
Mon 11/30
8:03 am-12:21 pm
1 stop4h 18m
$393
St. LouisBismarck
STL Lambert-St Louis - BIS Bismarck
STLBIS
Lambert-St Louis
Wed 10/28
9:47 am-2:38 pm
1 stop4h 51m
Bismarck
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$410
Quickest round-trip
St. LouisBismarck
STL Lambert-St Louis - BIS Bismarck
STLBIS
Lambert-St Louis
Mon 10/26
3:35 pm-7:55 pm
1 stop4h 20m
Bismarck
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$439
St. LouisBismarck
STL Lambert-St Louis - BIS Bismarck
STLBIS
Lambert-St Louis
Thu 10/29
1:28 pm-11:39 am
3 stops22h 11m
Bismarck
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$457
St. LouisBismarck
STL Lambert-St Louis - BIS Bismarck
STLBIS
Lambert-St Louis
Fri 1/8
3:10 pm-8:32 pm
1 stop5h 22m
Bismarck
Tue 1/12
1:23 pm-8:38 pm
1 stop7h 15m
$459
St. LouisBismarck
STL Lambert-St Louis - BIS Bismarck
STLBIS
Lambert-St Louis
Thu 10/22
4:39 pm-11:43 pm
1 stop7h 04m
Bismarck
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$469
St. LouisBismarck
STL Lambert-St Louis - BIS Bismarck
STLBIS
Lambert-St Louis
Wed 11/25
5:00 am-1:42 pm
1 stop8h 42m
Bismarck
Mon 11/30
2:12 pm-9:59 pm
1 stop7h 47m
$582
St. LouisBismarck
STL Lambert-St Louis - BIS Bismarck
STLBIS
Lambert-St Louis
Mon 11/30
5:00 am-12:49 pm
1 stop7h 49m
Bismarck
Tue 12/1
2:12 pm-8:17 pm
1 stop6h 05m
$587
Sorted by cheapest first
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.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
STL-BIS
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 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 October 19, 2026.
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.
Boarding
8.1
Entertainment
7.8
Food
7.2
Comfort
7.8
Overall
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Boarding
8.1
Entertainment
7.8
Food
7.2
Comfort
7.8
Overall
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Boarding
8.1
Entertainment
7.8
Food
7.2
Comfort
7.8
Overall
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
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.
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
Bismarck flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from St. Louis
Popular flights
Alternative routes for St. Louis to Bismarck
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Bismarck
Explore flights to Bismarck departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 19, 2026.
Complete your trip
Complete your trip to Bismarck by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from St. Louis to Bismarck by cabin class
Find flights from St. Louis to Bismarck, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Bismarck flights
Browse other St. Louis and Bismarck flight options. Last updated on October 19, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on October 19, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated October 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$278 | Average$486 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$318 | Average$477 | FlexibilityNo cancel fee | On-time71% |