$194 Cheap Flights from Sioux Falls (FSD) to Boston (BOS)

View $194 flight on Tue, Jul 1, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Sioux Falls to Boston (FSD-BOS)

Prices were available within the past 7 days and start at $194 for one-way flights and $275 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Sep 15 - Sat, Sep 27
FSD
Sioux Falls
BOS
Boston
$275 Roundtrip, found 19 hours ago
$275
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Mon, Sep 15 from Sioux Falls to Boston, returning Sat, Sep 27, priced at $275 found 19 hours ago
American Airlines
Fri, Oct 24 - Tue, Oct 28
FSD
Sioux Falls
BOS
Boston
$305 Roundtrip, found 9 hours ago
$305
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Fri, Oct 24 from Sioux Falls to Boston, returning Tue, Oct 28, priced at $305 found 9 hours ago
American Airlines
Mon, Sep 15 - Sat, Sep 27
FSD
Sioux Falls
BOS
Boston
$320 Roundtrip, found 19 hours ago
$320
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Mon, Sep 15 from Sioux Falls to Boston, returning Sat, Sep 27, priced at $320 found 19 hours ago
American Airlines
Fri, Oct 24 - Tue, Oct 28
FSD
Sioux Falls
BOS
Boston
$325 Roundtrip, found 9 hours ago
$325
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Fri, Oct 24 from Sioux Falls to Boston, returning Tue, Oct 28, priced at $325 found 9 hours ago
American Airlines
Fri, Oct 24 - Tue, Oct 28
FSD
Sioux Falls
BOS
Boston
$335 Roundtrip, found 9 hours ago
$335
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Fri, Oct 24 from Sioux Falls to Boston, returning Tue, Oct 28, priced at $335 found 9 hours ago
American Airlines
Tue, May 20 - Thu, May 29
FSD
Sioux Falls
BOS
Boston
$353 Roundtrip, found 23 hours ago
$353
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Tue, May 20 from Sioux Falls to Boston, returning Thu, May 29, priced at $353 found 23 hours ago
American Airlines
Sat, Jul 19 - Sat, Jul 26
FSD
Sioux Falls
BOS
Boston
$355 Roundtrip, found 4 hours ago
$355
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Sat, Jul 19 from Sioux Falls to Boston, returning Sat, Jul 26, priced at $355 found 4 hours ago
American Airlines
Fri, Oct 24 - Mon, Oct 27
FSD
Sioux Falls
BOS
Boston
$360 Roundtrip, found 4 days ago
$360
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Oct 24 from Sioux Falls to Boston, returning Mon, Oct 27, priced at $360 found 4 days ago
Delta
Tue, Jun 17 - Wed, Jun 25
FSD
Sioux Falls
BOS
Boston
$408 Roundtrip, found 1 day ago
$408
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jun 17 from Sioux Falls to Boston, returning Wed, Jun 25, priced at $408 found 1 day ago
United
Thu, Jul 3 - Tue, Jul 8
FSD
Sioux Falls
BOS
Boston
$445 Roundtrip, found 2 days ago
$445
Roundtrip
found 2 days ago
Select United flight, departing Thu, Jul 3 from Sioux Falls to Boston, returning Tue, Jul 8, priced at $445 found 2 days ago
Flights from Sioux Falls (FSD) to Boston (BOS)
Origin airport
Sioux Falls Regional
Destination airport
Logan Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$275
Distance
1297 mi

Sioux Falls to Boston Flights

The cheapest times to fly from Sioux Falls to Boston

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

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

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

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 Boston in 2025. You can also book with separate airlines for your outbound and return journeys, from $194 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 Boston 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 Boston 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.

Frequently asked questions

How much does a flight from Sioux Falls Regional Airport (FSD) to Logan Intl. Airport (BOS) cost?
Discover the latest flight deals from FSD to BOS by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from FSD to BOS?
The cheapest flights from FSD to BOS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from FSD to BOS?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from FSD to BOS. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Sioux Falls Regional Airport (FSD) to Logan Intl. Airport (BOS)?
Direct flights from Sioux Falls Regional Airport (FSD) to Logan Intl. Airport (BOS) aren’t available daily, so you’ll have to take a flight with a layover. Explore your options with Expedia’s filters. Enter your travel dates and click on either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from FSD to BOS?
Generally you’ll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* However, this can vary depending on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sioux Falls Regional Airport (FSD) to Logan Intl. Airport (BOS)?
Book a flight from Sioux Falls Regional Airport (FSD) to Logan Intl. Airport (BOS) that leaves before 3 PM to reduce the risk of cancellations and delays. Later departures 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 Sioux Falls Regional Airport (FSD) to Logan Intl. Airport (BOS) last-minute?
Booking your ticket from FSD to BOS right before your journey is typically more expensive. However, if you’re flexible with your travel times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a FSD to BOS flight and hotel package?
Booking a FSD to BOS flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our wide range of hotels and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Sioux Falls Regional Airport (FSD) to Logan Intl. Airport (BOS)?
It’s generally possible to cancel or reschedule your FSD to BOS flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline’s policies in your itinerary to see what changes are allowed and if any costs are involved. You’ll also find more information on our Customer Service portal.

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*Available to One Key members.