$293 Cheap Flights from Bismarck (BIS) to St. Thomas (STT)

View $293 flight on Wed, Mar 4, 2026Opens in a new window

Popular airlines from Bismarck, ND (BIS-Bismarck Municipal) to Cyril E. King Airport (STT)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Bismarck to St. Thomas (BIS-STT)

Prices were available within the past 7 days and start at $293 for one-way flights and $509 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Mar 4 - Wed, Mar 11
BIS
Bismarck
STT
St. Thomas
$509 Roundtrip, found 18 hours ago
$509
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Wed, Mar 4 from Bismarck to St. Thomas, returning Wed, Mar 11, priced at $509 found 18 hours ago
American Airlines
Wed, Apr 8 - Wed, Apr 15
BIS
Bismarck
STT
St. Thomas
$554 Roundtrip, found 1 day ago
$554
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Apr 8 from Bismarck to St. Thomas, returning Wed, Apr 15, priced at $554 found 1 day ago
United
Sat, Jan 24 - Thu, Feb 5
BIS
Bismarck
STT
St. Thomas
$585 Roundtrip, found 1 day ago
$585
Roundtrip
found 1 day ago
Select United flight, departing Sat, Jan 24 from Bismarck to St. Thomas, returning Thu, Feb 5, priced at $585 found 1 day ago
United
Wed, Jan 21 - Thu, Feb 5
BIS
Bismarck
STT
St. Thomas
$601 Roundtrip, found 1 day ago
$601
Roundtrip
found 1 day ago
Select United flight, departing Wed, Jan 21 from Bismarck to St. Thomas, returning Thu, Feb 5, priced at $601 found 1 day ago
United
Tue, Feb 24 - Tue, Mar 10
BIS
Bismarck
STT
St. Thomas
$604 Roundtrip, found 2 hours ago
$604
Roundtrip
found 2 hours ago
Select United flight, departing Tue, Feb 24 from Bismarck to St. Thomas, returning Tue, Mar 10, priced at $604 found 2 hours ago
United
Mon, Apr 20 - Thu, May 7
BIS
Bismarck
STT
St. Thomas
$607 Roundtrip, found 1 hour ago
$607
Roundtrip
found 1 hour ago
Select United flight, departing Mon, Apr 20 from Bismarck to St. Thomas, returning Thu, May 7, priced at $607 found 1 hour ago
United
Tue, Jan 13 - Wed, Jan 21
BIS
Bismarck
STT
St. Thomas
$609 Roundtrip, found 6 days ago
$609
Roundtrip
found 6 days ago
Select United flight, departing Tue, Jan 13 from Bismarck to St. Thomas, returning Wed, Jan 21, priced at $609 found 6 days ago
United
Mon, Feb 23 - Tue, Mar 10
BIS
Bismarck
STT
St. Thomas
$611 Roundtrip, found 2 hours ago
$611
Roundtrip
found 2 hours ago
Select United flight, departing Mon, Feb 23 from Bismarck to St. Thomas, returning Tue, Mar 10, priced at $611 found 2 hours ago
United
Sun, Jan 11 - Thu, Jan 22
BIS
Bismarck
STT
St. Thomas
$617 Roundtrip, found 1 day ago
$617
Roundtrip
found 1 day ago
Select United flight, departing Sun, Jan 11 from Bismarck to St. Thomas, returning Thu, Jan 22, priced at $617 found 1 day ago
American Airlines
Sun, Apr 5 - Thu, Apr 23
BIS
Bismarck
STT
St. Thomas
$619 Roundtrip, found 1 hour ago
$619
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Sun, Apr 5 from Bismarck to St. Thomas, returning Thu, Apr 23, priced at $619 found 1 hour ago

Alternative airports near St. Thomas

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Terrance B. Lettsome Intl. EIS. Flights from $1,066
EIS
Terrance B. Lettsome Intl.
Flights from $1,066

Frequently asked questions

How much does a flight from Bismarck Municipal Airport (BIS) to Cyril E. King Airport (STT) cost?
Snag a cheap one-way flight from $293 or cheap return flight from $509 from Bismarck Municipal Airport (BIS) to Cyril E. King Airport (STT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Bismarck Municipal Airport (BIS) to Cyril E. King Airport (STT)?
The cheapest month to fly from BIS to STT is March, when there's less demand. Off-peak season is typically when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Bismarck Municipal Airport (BIS) to Cyril E. King Airport (STT)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll take you from BIS to STT. Then, sort your results by "Price (lowest to highest)" to snag the best deal available.
How many flights per day from Bismarck Municipal Airport (BIS) to Cyril E. King Airport (STT)?
There are no daily direct flights available from Bismarck Municipal Airport (BIS) to Cyril E. King Airport (STT). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from BIS to STT?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Bismarck Municipal Airport (BIS) to Cyril E. King Airport (STT)?
Select a flight from Bismarck Municipal Airport (BIS) to Cyril E. King Airport (STT) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Bismarck Municipal Airport (BIS) to Cyril E. King Airport (STT) last-minute?
Waiting until just before your departure to book your flight from BIS to STT generally means paying more. While it's possible to find some last-minute deals, there's no guarantee. Keep your travel schedule open for the best chance of getting a bargain.
Is it cheaper to book a BIS to STT flight and hotel package?
You'll typically save money by booking a BIS to STT flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After selecting your ideal accommodations and flights, you can add extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from Bismarck Municipal Airport (BIS) to Cyril E. King Airport (STT)?
If you reserved your BIS to STT flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

Travel information

Origin airport
Bismarck Municipal
Destination airport
Cyril E. King
Airlines serving
American Airlines, United
Roundtrip price
$509
Distance
2821 mi

Book with confidence

Bismarck to St. Thomas Flights

The cheapest times to fly from Bismarck to St. Thomas

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Bismarck to St. Thomas are during the month of March. You can find some of the cheapest flights from Bismarck to St. Thomas with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Bismarck to St. Thomas

Sunday is one of the best days to book for cheap flights from Bismarck to St. Thomas: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Bismarck to St. Thomas

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Bismarck to St. Thomas in 2026. You can also book with separate airlines for your outbound and return journeys, from $293 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Bismarck to St. Thomas flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Bismarck to St. Thomas airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Bismarck to St. Thomas Flights

Explore a world of travel with Expedia

*Available to One Key members.