$220 Cheap Flights from Baltimore (BWI) to Sioux Falls (FSD)

View $220 flight on Wed, Apr 8, 2026Opens in a new window

Popular airlines from Baltimore Washington Intl. Airport (BWI) to Sioux Falls Regional Airport (FSD)

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Cheap Flights from Baltimore to Sioux Falls (BWI-FSD)

Prices were available within the past 7 days and start at $220 for one-way flights and $271 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Apr 8 - Sat, Apr 11
BWI
Baltimore
FSD
Sioux Falls
$271 Roundtrip, found 16 hours ago
$271
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Wed, Apr 8 from Baltimore to Sioux Falls, returning Sat, Apr 11, priced at $271 found 16 hours ago
United
Wed, Apr 8 - Sat, Apr 11
BWI
Baltimore
FSD
Sioux Falls
$271 Roundtrip, found 16 hours ago
$271
Roundtrip
found 16 hours ago
Select United flight, departing Wed, Apr 8 from Baltimore to Sioux Falls, returning Sat, Apr 11, priced at $271 found 16 hours ago
United
Tue, Apr 14 - Sat, Apr 18
BWI
Baltimore
FSD
Sioux Falls
$274 Roundtrip, found 6 days ago
$274
Roundtrip
found 6 days ago
Select United flight, departing Tue, Apr 14 from Baltimore to Sioux Falls, returning Sat, Apr 18, priced at $274 found 6 days ago
United
Wed, Apr 8 - Sat, Apr 11
BWI
Baltimore
FSD
Sioux Falls
$276 Roundtrip, found 16 hours ago
$276
Roundtrip
found 16 hours ago
Select United flight, departing Wed, Apr 8 from Baltimore to Sioux Falls, returning Sat, Apr 11, priced at $276 found 16 hours ago
United
Tue, Apr 14 - Sat, Apr 18
BWI
Baltimore
FSD
Sioux Falls
$277 Roundtrip, found 6 days ago
$277
Roundtrip
found 6 days ago
Select United flight, departing Tue, Apr 14 from Baltimore to Sioux Falls, returning Sat, Apr 18, priced at $277 found 6 days ago
Delta
Tue, Apr 14 - Tue, Apr 28
BWI
Baltimore
FSD
Sioux Falls
$279 Roundtrip, just found
$279
Roundtrip
just found
Select Delta flight, departing Tue, Apr 14 from Baltimore to Sioux Falls, returning Tue, Apr 28, priced at $279 just found
United
Tue, Apr 14 - Sat, Apr 18
BWI
Baltimore
FSD
Sioux Falls
$279 Roundtrip, found 6 days ago
$279
Roundtrip
found 6 days ago
Select United flight, departing Tue, Apr 14 from Baltimore to Sioux Falls, returning Sat, Apr 18, priced at $279 found 6 days ago
American Airlines
Wed, Apr 22 - Thu, Apr 30
BWI
Baltimore
FSD
Sioux Falls
$280 Roundtrip, found 2 days ago
$280
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Apr 22 from Baltimore to Sioux Falls, returning Thu, Apr 30, priced at $280 found 2 days ago
Delta
Sat, Apr 25 - Tue, Apr 28
BWI
Baltimore
FSD
Sioux Falls
$284 Roundtrip, found 1 day ago
$284
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Apr 25 from Baltimore to Sioux Falls, returning Tue, Apr 28, priced at $284 found 1 day ago
Delta
Mon, Apr 13 - Tue, Apr 28
BWI
Baltimore
FSD
Sioux Falls
$289 Roundtrip, just found
$289
Roundtrip
just found
Select Delta flight, departing Mon, Apr 13 from Baltimore to Sioux Falls, returning Tue, Apr 28, priced at $289 just found

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Alternative airports near Sioux Falls

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

Select flight to Sioux Falls Regional FSD. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from $321
FSD
Sioux Falls Regional
CheapestClosest
Average driving time to city center6 min
Flights from $321

Find the cheapest month to fly from Baltimore (BWI) to Sioux Falls (FSD)

April is typically the cheapest month to fly

From $217 - $594 per traveler.

Frequently asked questions

How much does a flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Sioux Falls, SD (FSD-Sioux Falls Regional) cost?
You can find cheap one-way flights from $220 and cheap return flights from $271 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Sioux Falls, SD (FSD-Sioux Falls Regional) with Expedia. One-way flights usually range from $167 to $666, and return flights typically cost between $394 and $1366. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Sioux Falls, SD (FSD-Sioux Falls Regional) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
March is generally the cheapest month to fly from Baltimore, MD (BWI) to Sioux Falls, SD (FSD), with average round-trip fares around $346. This price is about 21% lower than the average fare for the year, likely due to lower demand after the winter months. Other budget-friendly months for this route include January and September.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
Enter BWI to FSD and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
American Airlines is one of the cheapest airlines offering connecting flights from Baltimore (BWI) to Sioux Falls (FSD) with a layover in Charlotte-Douglas Intl. (CLT), starting from around $258. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
To find a cheap flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Sioux Falls, SD (FSD-Sioux Falls Regional), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
The best time to fly from Baltimore (BWI) to Sioux Falls (FSD) is in March or January. Return flights average around $346, making these months a great value. March is particularly nice as it marks the beginning of spring, offering a refreshing change in scenery.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
The earliest flight from Baltimore (BWI) to Sioux Falls (FSD) usually departs at around 5:00 AM, operated by American Airlines. This seasonal service is available in July, giving you a head start on your travels. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
The most popular departure times for flights from Baltimore (BWI) to Sioux Falls (FSD) are in the early morning, from 6am to 9am. About 45% of passengers choose this time window, with Delta Airlines, American Airlines, and United Airlines providing flights during this period. This timing is popular as it allows travelers to arrive in Sioux Falls with ample time to explore.
How long does it take to fly from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
Flying from BWI to FSD with a connection usually takes about 5 hours 30 minutes, traveling roughly 1,081 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
First class is available on flights from BWI to FSD. First class cabins are available on:

  • Delta Air Lines
  • American Airlines
  • United Airlines

How do I earn miles on a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Sioux Falls, SD (FSD-Sioux Falls Regional) flight with Expedia?
It's easy to earn miles on a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Sioux Falls, SD (FSD-Sioux Falls Regional) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Sioux Falls from Baltimore Washington Intl. Thurgood Marshall (BWI)?
If you're planning to travel to Sioux Falls from Baltimore Washington Intl. Thurgood Marshall (BWI), you can fly into Sioux Falls Regional (FSD) Some flights may connect through major hubs like Charlotte-Douglas Intl. (CLT), O'Hare Intl. (ORD), George Bush Intercontinental (IAH) before reaching Sioux Falls. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Sioux Falls, SD (FSD-Sioux Falls Regional) at the last minute?
Typically, booking a last minute flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Sioux Falls, SD (FSD-Sioux Falls Regional) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Sioux Falls, SD (FSD-Sioux Falls Regional) flight and hotel package?
Securing a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Sioux Falls, SD (FSD-Sioux Falls Regional) Sioux Falls Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
If you booked your Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Sioux Falls, SD (FSD-Sioux Falls Regional) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, 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'd like more information.

Travel information

Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Sioux Falls Regional
Airlines serving
American Airlines, Delta, United
Roundtrip price
$270
Distance
1080 mi

Book with confidence

Baltimore to Sioux Falls Flights

The cheapest times to fly from Baltimore to Sioux Falls

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 Baltimore to Sioux Falls are during the month of April. You can find some of the cheapest flights from Baltimore to Sioux Falls with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Baltimore to Sioux Falls

Sunday is one of the best days to book for cheap flights from Baltimore to Sioux Falls: 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 Baltimore to Sioux Falls

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 Baltimore to Sioux Falls in 2026. You can also book with separate airlines for your outbound and return journeys, from $220 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 Baltimore to Sioux Falls 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 Baltimore to Sioux Falls 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.

 

Baltimore to Sioux Falls Flights

*Flight schedules are subject to change.

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*Available to One Key members.