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$188 Cheap Flights from Sioux Falls (FSD) to Baltimore (BWI)

View $188 flight on Fri, Sep 11, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $188 for one-way flights and $329 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Aug 28 - Sun, Aug 30
FSD
Sioux Falls
BWI
Baltimore
$329 Roundtrip, found 11 hours ago
$329
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Fri, Aug 28 from Sioux Falls to Baltimore, returning Sun, Aug 30, priced at $329 found 11 hours ago
United
Fri, Aug 28 - Wed, Sep 2
FSD
Sioux Falls
BWI
Baltimore
$334 Roundtrip, found 2 days ago
$334
Roundtrip
found 2 days ago
Select United flight, departing Fri, Aug 28 from Sioux Falls to Baltimore, returning Wed, Sep 2, priced at $334 found 2 days ago
Delta
Tue, Oct 27 - Tue, Nov 3
FSD
Sioux Falls
BWI
Baltimore
$339 Roundtrip, found 4 days ago
$339
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Oct 27 from Sioux Falls to Baltimore, returning Tue, Nov 3, priced at $339 found 4 days ago
United
Sat, Feb 13 - Sat, Feb 20
FSD
Sioux Falls
BWI
Baltimore
$349 Roundtrip, found 13 hours ago
$349
Roundtrip
found 13 hours ago
Select United flight, departing Sat, Feb 13 from Sioux Falls to Baltimore, returning Sat, Feb 20, priced at $349 found 13 hours ago
Delta
Sat, Feb 13 - Sat, Feb 20
FSD
Sioux Falls
BWI
Baltimore
$352 Roundtrip, found 13 hours ago
$352
Roundtrip
found 13 hours ago
Select Delta flight, departing Sat, Feb 13 from Sioux Falls to Baltimore, returning Sat, Feb 20, priced at $352 found 13 hours ago
American Airlines
Tue, Aug 11 - Tue, Aug 18
FSD
Sioux Falls
BWI
Baltimore
$354 Roundtrip, found 1 day ago
$354
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Aug 11 from Sioux Falls to Baltimore, returning Tue, Aug 18, priced at $354 found 1 day ago
United
Fri, Aug 21 - Wed, Aug 26
FSD
Sioux Falls
BWI
Baltimore
$356 Roundtrip, found 3 days ago
$356
Roundtrip
found 3 days ago
Select United flight, departing Fri, Aug 21 from Sioux Falls to Baltimore, returning Wed, Aug 26, priced at $356 found 3 days ago
United
Mon, Aug 24 - Mon, Aug 31
FSD
Sioux Falls
BWI
Baltimore
$357 Roundtrip, found 3 days ago
$357
Roundtrip
found 3 days ago
Select United flight, departing Mon, Aug 24 from Sioux Falls to Baltimore, returning Mon, Aug 31, priced at $357 found 3 days ago
Delta
Thu, Aug 27 - Sun, Aug 30
FSD
Sioux Falls
BWI
Baltimore
$359 Roundtrip, found 6 days ago
$359
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Aug 27 from Sioux Falls to Baltimore, returning Sun, Aug 30, priced at $359 found 6 days ago
United
Mon, Aug 24 - Mon, Aug 31
FSD
Sioux Falls
BWI
Baltimore
$362 Roundtrip, found 3 days ago
$362
Roundtrip
found 3 days ago
Select United flight, departing Mon, Aug 24 from Sioux Falls to Baltimore, returning Mon, Aug 31, priced at $362 found 3 days ago

Alternative airports near Baltimore

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

Select flight to Ronald Reagan Washington National DCA. Cheapest option available. Average driving time to city center is 57 minutes. Flights from $761
DCA
Ronald Reagan Washington National
Cheapest
Average driving time to city center57 min
Flights from $761

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

April is typically the cheapest month to fly

From $258 - $540 per traveler.

What you need to know for your flight from Sioux Falls Regional to Baltimore Washington Intl. Thurgood Marshall

Sioux Falls (FSD) to Baltimore (BWI) at a glance

Travel between Sioux Falls (FSD) and Baltimore (BWI) with a range of airlines catering to this domestic short-haul route. By comparing various options, you can find the best itinerary that aligns with your budget and schedule as you prepare to explore the iconic attractions and vibrant neighborhoods of Baltimore. Check out the essential details for flights from Sioux Falls Regional Airport to Baltimore Washington International Thurgood Marshall Airport.

  • Fastest flight duration: around 3h 45m in-flight, plus roughly 1h 15m layover with one stop
  • Route distance: roughly 1,100 miles (1,770 km)
  • Flights per week: around 9 departures on average
  • Typical fares (one-way): economy tickets often range from $120–$415, depending on seasonality and how far ahead you book

Flights from Sioux Falls Regional Airport (FSD) to Baltimore Washington International Thurgood Marshall Airport (BWI)

According to recent traveler bookings, the top airlines flying from Sioux Falls to Baltimore are favored for their one-stop services, often featuring convenient layovers at O'Hare International Airport (ORD, about 1-hour layover), Minneapolis-St. Paul International Airport (MSP, about 1-hour layover), and Denver International Airport (DEN, about 3-hour layover). These options allow you to tailor your journey by balancing price, total travel time, and cabin class to create the ideal itinerary for your trip.

  • United: This comprehensive carrier provides one-stop service, with one-way ticket prices generally falling between $130 and $460. It represents about 47% of flights on this route, featuring an in-flight duration of 3 hours and 45 minutes, leading to a total travel time of roughly 5 hours, including layover.
  • Delta: As a full-service airline offering one-stop options, Delta's one-way fares typically range from $125 to $430. It accounts for approximately 31% of departures on this route, with a flight time of 3 hours and 45 minutes, resulting in an overall journey duration of around 5 hours, layover included.
  • American Airlines: This full-service carrier provides one-stop service, with one-way fares usually between $120 and $400. It makes up about 22% of departures on this route, and the in-flight time is approximately 3 hours and 45 minutes, leading to a total travel time of about 5 hours when including layovers.

Travelers flying from Sioux Falls to Baltimore can enhance their journey by upgrading to first-class service with Delta, ensuring a more comfortable and enjoyable flight experience.

Best time to fly from Sioux Falls (FSD) to Baltimore (BWI)

The most popular months for travelers flying from Sioux Falls to Baltimore are May, July, and August, when peak temperatures in Baltimore reach up to 78.1°F in July. If you prefer quieter travel, consider September, the least busy time to visit with temperatures around 69.8°F and typically the lowest average one-way fare (around $221). Flight availability peaks in May, with approximately 13 flights per week, making it easier to find convenient departure times. January, February, and March have the fewest flights, with approximately 7 flights per week.

  • Cheapest time to fly: September usually offers good deals with average one-way fare around $221, roughly 11% cheaper than the yearly average.
  • More budget-friendly months to fly: July, February, and November typically offer average one-way fares roughly ranging from $222 to $241.
  • Most flight options: May has the highest number of flights from Sioux Falls to Baltimore, with approximately 13 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January33.8°F (1.0°C)Average7$285
February36.1°F (2.3°C)Average7$234
March43.7°F (6.5°C)Average7$286
April54.3°F (12.4°C)Average9$257
May63.9°F (17.7°C)High13$245
June72.5°F (22.5°C)Average8$255
July78.1°F (25.6°C)High10$222
August76.1°F (24.5°C)High10$260
September69.8°F (21.0°C)Low8$221
October58.8°F (14.9°C)Average10$244
November46.8°F (8.2°C)Low8$241
December39.4°F (4.1°C)Low8$267

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Sioux Falls (FSD) to Baltimore (BWI)

  • Sioux Falls to Washington (FSD-DCA): Ronald Reagan Washington National Airport (DCA) is located roughly 30 miles from Baltimore Washington International Thurgood Marshall Airport (BWI). One-way economy fares for this journey generally fall between $125 and $440, influenced by the season and how far in advance you book. This route is predominantly available with one-stop options, featuring popular layover locations like O'Hare International Airport (ORD) and Minneapolis - St. Paul International Airport (MSP). Major airlines servicing this route include United and Delta, and first-class service is also offered.

How to find the best prices for flights from Sioux Falls (FSD) to Baltimore (BWI)

Getting some of the best deals on flights from Sioux Falls to Baltimore is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually found when booking 2-8 weeks in advance, which coincides with when most travelers make their reservations. Morning departures, typically between 5 AM and 12 PM, tend to offer lower prices and are also the most popular. Additionally, flying on Tuesday often results in cheaper fares, whereas Thursday is the most popular travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Baltimore Washington International Thurgood Marshall Airport from Sioux Falls Regional Airport

Baltimore welcomes travelers from Sioux Falls with a range of transport options based on price, convenience, and proximity. Here's how to reach Baltimore efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Baltimore, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Baltimore Washington International Thurgood Marshall Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Baltimore Washington International Thurgood Marshall Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Baltimore Washington International Thurgood Marshall Airport, BWI Thurgood Marshall Airport Metro Station (a metro station) is located about 0.3 miles from the airport and can be reached on foot, while Baltimore-Washington International Airport Station (a train station) is about 1.7 miles away and is best accessed by car.

Frequently asked questions

How much does a flight from Sioux Falls, SD (FSD-Sioux Falls Regional) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) cost?
You can find cheap one-way flights from $188 and cheap return flights from $329 Sioux Falls, SD (FSD-Sioux Falls Regional) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) with Expedia. One-way flights typically cost between $140 and $716, and return flights often range between $404 and $1244. 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 Sioux Falls, SD (FSD-Sioux Falls Regional) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) 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 Sioux Falls, SD (FSD-Sioux Falls Regional) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
May is the cheapest month to fly from Sioux Falls, SD (FSD) to Baltimore, MD (BWI), with average return fares around $361. This price is about 16% lower than the average fare for the year, likely due to lower demand in spring. Other budget-friendly months for this route include August and December.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Sioux Falls, SD (FSD-Sioux Falls Regional) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
Enter FSD to BWI and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Sioux Falls, SD (FSD-Sioux Falls Regional) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
Frontier Airlines is one of the cheapest airlines offering connecting flights from Sioux Falls Regional (FSD) to Baltimore Washington Intl. Thurgood Marshall (BWI), with round-trip tickets starting from around $474.99 with a layover in Denver Intl. (DEN). 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 Sioux Falls, SD (FSD-Sioux Falls Regional) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
To find a cheap flight from Sioux Falls, SD (FSD-Sioux Falls Regional) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall), 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 Sioux Falls, SD (FSD-Sioux Falls Regional) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
For flights from Sioux Falls, SD (FSD) to Baltimore, MD (BWI), the best times to travel are in May and August. You can find return flights averaging around $361 in these months. May is ideal for enjoying springtime blooms, while August offers warm weather, making both months popular yet affordable choices for your trip.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Sioux Falls, SD (FSD-Sioux Falls Regional) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
The earliest flight from Sioux Falls Regional (FSD) to Baltimore Washington International Thurgood Marshall (BWI) typically departs at 5:00 AM, operated by Delta. An early departure like this can help you maximize your time in Baltimore. This service operates seasonally in April, May, and June. 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 Sioux Falls, SD (FSD-Sioux Falls Regional) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
The most popular departure times for flights from Sioux Falls (FSD) to Baltimore (BWI) are in the early morning, from 6am to 9am. About 29% of passengers prefer this time window. Many major carriers, including United Airlines and American Airlines, offer flights during this window. This timing works well because it allows you to arrive in Baltimore with plenty of time to explore.
How long does it take to fly from Sioux Falls, SD (FSD-Sioux Falls Regional) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
A flight from FSD to BWI with a layover takes around 5 hours 20 minutes, with the route covering approximately 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 Sioux Falls, SD (FSD-Sioux Falls Regional) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
First class seats are offered on the FSD to BWI route. First class cabins are available on:

  • American Airlines
  • Delta Air Lines
  • United Airlines

How do I earn miles on a Sioux Falls, SD (FSD-Sioux Falls Regional) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) flight with Expedia?
It's easy to earn miles on a Sioux Falls, SD (FSD-Sioux Falls Regional) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) 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 Baltimore from Sioux Falls Regional (FSD)?
From Sioux Falls Regional (FSD), you can fly into Baltimore Washington Intl. Thurgood Marshall (BWI) to reach Baltimore. Some flights may connect through major hubs like Denver Intl. (DEN), Dallas-Fort Worth Intl. (DFW), O'Hare Intl. (ORD) before reaching Baltimore. 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 Sioux Falls, SD (FSD-Sioux Falls Regional) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) at the last minute?
Typically, booking a last minute flight from Sioux Falls, SD (FSD-Sioux Falls Regional) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) 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 Sioux Falls, SD (FSD-Sioux Falls Regional) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) flight and hotel package?
Securing a Sioux Falls, SD (FSD-Sioux Falls Regional) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) Baltimore 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 Sioux Falls, SD (FSD-Sioux Falls Regional) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
If you booked your Sioux Falls, SD (FSD-Sioux Falls Regional) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) 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
Sioux Falls Regional
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Airlines serving
American Airlines, Delta, United
Roundtrip price
$328
Distance
1080 mi

Book with confidence

Sioux Falls to Baltimore Flights

The cheapest times to fly from Sioux Falls to Baltimore

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

 

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

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

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 Sioux Falls to Baltimore in 2026. You can also book with separate airlines for your outbound and return journeys, from $188 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 Sioux Falls to Baltimore 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 Sioux Falls to Baltimore 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.

 

Sioux Falls to Baltimore Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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