$169 Cheap United flights St. Louis (STL) to Bismarck (BIS)

View $169 flight on Wed, Aug 27, 2025Opens in a new window

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$169 Cheap United flights St. Louis (STL) to Bismarck (BIS)

Prices were available within the past 7 days and start at $169 for one-way flights and $249 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Aug 8 - Tue, Aug 12
STL
St. Louis
BIS
Bismarck
$249 Roundtrip, found 15 hours ago
$249
Roundtrip
found 15 hours ago
Select United flight, departing Fri, Aug 8 from St. Louis to Bismarck, returning Tue, Aug 12, priced at $249 found 15 hours ago
United
Wed, Aug 27 - Sun, Aug 31
STL
St. Louis
BIS
Bismarck
$271 Roundtrip, found 14 hours ago
$271
Roundtrip
found 14 hours ago
Select United flight, departing Wed, Aug 27 from St. Louis to Bismarck, returning Sun, Aug 31, priced at $271 found 14 hours ago
United
Fri, Aug 8 - Tue, Aug 12
STL
St. Louis
BIS
Bismarck
$276 Roundtrip, found 15 hours ago
$276
Roundtrip
found 15 hours ago
Select United flight, departing Fri, Aug 8 from St. Louis to Bismarck, returning Tue, Aug 12, priced at $276 found 15 hours ago
United
Sat, Aug 9 - Tue, Aug 12
STL
St. Louis
BIS
Bismarck
$298 Roundtrip, found 15 hours ago
$298
Roundtrip
found 15 hours ago
Select United flight, departing Sat, Aug 9 from St. Louis to Bismarck, returning Tue, Aug 12, priced at $298 found 15 hours ago
United
Sat, Sep 20 - Tue, Sep 23
STL
St. Louis
BIS
Bismarck
$299 Roundtrip, found 6 days ago
$299
Roundtrip
found 6 days ago
Select United flight, departing Sat, Sep 20 from St. Louis to Bismarck, returning Tue, Sep 23, priced at $299 found 6 days ago
United
Fri, Aug 8 - Mon, Aug 11
STL
St. Louis
BIS
Bismarck
$318 Roundtrip, found 15 hours ago
$318
Roundtrip
found 15 hours ago
Select United flight, departing Fri, Aug 8 from St. Louis to Bismarck, returning Mon, Aug 11, priced at $318 found 15 hours ago
Flights from St. Louis (STL) to Bismarck (BIS)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Bismarck Municipal
Airlines serving
American Airlines, Delta, United
Popular airline
Delta
Distance
764 mi

Frequently asked questions

How much is a United Airlines flight from Lambert-St. Louis Intl. Airport (STL) to Bismarck Municipal Airport (BIS)?
You can discover affordable round-trip United Airlines flights from $249 from STL to BIS by organizing your results from "Price (lowest to highest)" on Expedia. Or search for options from $169 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from STL to BIS with United Airlines?
January is one of the cheapest months to fly to Bismarck with United Airlines. You could also find great prices on one-way and return fares in November.
What is the cheapest time to book flights from Lambert-St. Louis Intl. Airport (STL) to Bismarck Municipal Airport (BIS) with United Airlines?
Start searching one to three months ahead of your travel date to find cheap fares on United Airlines flights from Lambert-St. Louis Intl. Airport (STL) to Bismarck Municipal Airport (BIS). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing spot on, and you can enjoy significant savings on domestic journeys.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Lambert-St. Louis Intl. Airport (STL) to Bismarck Municipal Airport (BIS)?
Enter your dates, press search and check "Nonstop" on Expedia to find any direct flights from STL to BIS with United Airlines or another airline.
What is the earliest United Airlines flight from STL to BIS?
Browse United Airlines's earliest flights from STL to BIS by selecting the "Morning" and "Early Morning" filters. Not only will you get to where you're going sooner, early departures also have a 20% less chance of being canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Bismarck?
Bismarck Municipal Airport (BIS) is the primary Bismarck gateway for United Airlines flights from Lambert-St. Louis Intl. Airport (STL).
Why fly with United Airlines from STL to BIS?
Fly from STL to BIS with United Airlines and enjoy a range of benefits including a rewarding loyalty program. When booking through Expedia as a United Mileage Plus and One Key™ member, you may also earn OneKeyCash™* to redeem on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my United Airlines flight from Lambert-St. Louis Intl. Airport (STL) to Bismarck Municipal Airport (BIS)?
Changes are usually free within 24 hours of making a booking, but your airline may add a charge after that time. For further information about altering your reservation, check out your "Trips," select your flight and click on "Manage Booking." If you want the flexibility to make changes without being charged, check the "Changes included" or "No cancel fee" filter when organizing your next break.

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