Aerial panorama of the falls in Sioux Falls, South Dakota and Falls Park.

$294 Cheap Flights from Boise (BOI) to Sioux Falls (FSD)

View $294 flight on Sat, Nov 14, 2026Opens in a new window

Popular airlines from Boise Airport (BOI) to Sioux Falls Regional Airport (FSD)

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Cheap Flights from Boise to Sioux Falls (BOI-FSD)

Prices were available within the past 7 days and start at $294 for one-way flights and $319 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Aug 28 - Sat, Aug 29
BOI
Boise
FSD
Sioux Falls
$319 Roundtrip, found 1 day ago
$319
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Aug 28 from Boise to Sioux Falls, returning Sat, Aug 29, priced at $319 found 1 day ago
Delta
Fri, Aug 28 - Sun, Aug 30
BOI
Boise
FSD
Sioux Falls
$319 Roundtrip, found 18 hours ago
$319
Roundtrip
found 18 hours ago
Select Delta flight, departing Fri, Aug 28 from Boise to Sioux Falls, returning Sun, Aug 30, priced at $319 found 18 hours ago
Delta
Thu, Sep 24 - Mon, Sep 28
BOI
Boise
FSD
Sioux Falls
$344 Roundtrip, found 13 hours ago
$344
Roundtrip
found 13 hours ago
Select Delta flight, departing Thu, Sep 24 from Boise to Sioux Falls, returning Mon, Sep 28, priced at $344 found 13 hours ago
Delta
Wed, Sep 9 - Tue, Sep 15
BOI
Boise
FSD
Sioux Falls
$347 Roundtrip, found 4 hours ago
$347
Roundtrip
found 4 hours ago
Select Delta flight, departing Wed, Sep 9 from Boise to Sioux Falls, returning Tue, Sep 15, priced at $347 found 4 hours ago
American Airlines
Fri, Jul 3 - Fri, Jul 10
BOI
Boise
FSD
Sioux Falls
$367 Roundtrip, just found
$367
Roundtrip
just found
Select American Airlines flight, departing Fri, Jul 3 from Boise to Sioux Falls, returning Fri, Jul 10, priced at $367 just found
United
Fri, Aug 28 - Sat, Aug 29
BOI
Boise
FSD
Sioux Falls
$369 Roundtrip, found 1 day ago
$369
Roundtrip
found 1 day ago
Select United flight, departing Fri, Aug 28 from Boise to Sioux Falls, returning Sat, Aug 29, priced at $369 found 1 day ago
United
Wed, Sep 30 - Mon, Oct 5
BOI
Boise
FSD
Sioux Falls
$374 Roundtrip, found 14 hours ago
$374
Roundtrip
found 14 hours ago
Select United flight, departing Wed, Sep 30 from Boise to Sioux Falls, returning Mon, Oct 5, priced at $374 found 14 hours ago
United
Fri, Aug 28 - Sat, Aug 29
BOI
Boise
FSD
Sioux Falls
$380 Roundtrip, found 1 day ago
$380
Roundtrip
found 1 day ago
Select United flight, departing Fri, Aug 28 from Boise to Sioux Falls, returning Sat, Aug 29, priced at $380 found 1 day ago
United
Sat, Jul 18 - Sat, Jul 25
BOI
Boise
FSD
Sioux Falls
$382 Roundtrip, found 21 hours ago
$382
Roundtrip
found 21 hours ago
Select United flight, departing Sat, Jul 18 from Boise to Sioux Falls, returning Sat, Jul 25, priced at $382 found 21 hours ago
Delta
Wed, Sep 9 - Tue, Sep 15
BOI
Boise
FSD
Sioux Falls
$384 Roundtrip, found 4 hours ago
$384
Roundtrip
found 4 hours ago
Select Delta flight, departing Wed, Sep 9 from Boise to Sioux Falls, returning Tue, Sep 15, priced at $384 found 4 hours ago

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 $507
FSD
Sioux Falls Regional
CheapestClosest
Average driving time to city center6 min
Flights from $507

What you need to know for your flight from Boise to Sioux Falls Regional

Boise (BOI) to Sioux Falls (FSD) at a glance

Travel between Boise (BOI) and Sioux Falls (FSD) with a range of airlines on this domestic short-haul route. Discover options for flights from Boise to Sioux Falls, including both full-service and budget-friendly carriers, to find the itinerary that aligns with your budget and plans. As you prepare to explore the attractions and neighborhoods of Sioux Falls, gather all the essential details for your journey from Boise Airport to Sioux Falls Regional Airport.

  • Fastest flight duration: around 3h 45m in-flight, plus roughly 1h 30m layover with one stop
  • Route distance: roughly 1,000 miles (1,610 km)
  • Flights per week: around 9 departures on average
  • Typical fares (one-way): economy tickets often range from $100–$475, depending on seasonality and how far ahead you book

Flights from Boise Airport (BOI) to Sioux Falls Regional Airport (FSD)

According to the latest traveler bookings, here are the top airlines favored for flights from Boise to Sioux Falls, primarily selected for their one-stop services. Common layover spots include Denver International Airport (DEN) with an approximate 1 hour and 15-minute layover, Minneapolis - St. Paul International Airport (MSP) with about a 2-hour layover, and Sky Harbor International Airport (PHX), which offers around a 1-hour layover. This variety allows you to customize your itinerary based on price, total travel time, and cabin class preferences.

  • United: As a comprehensive carrier, United provides one-stop service with one-way ticket prices generally falling between $125 and $475. This airline handles around 55% of the flights on this route, featuring an in-flight duration of 3 hours and 45 minutes, and a total travel time of about 5 hours and 15 minutes, including layover.
  • Delta: Delta, also a full-service airline, offers one-stop journeys with one-way fares typically ranging from $100 to $445. This carrier represents approximately 32% of departures along this route, with a flight time of 3 hours and 45 minutes, and an overall journey duration of around 5 hours and 15 minutes, factoring in the layover.
  • American Airlines: Another full-service option, American Airlines provides one-stop service with one-way prices usually between $100 and $490. Holding about 12% of departures for this route, travelers can expect a flight time of 3 hours and 45 minutes and a total journey time of roughly 5 hours and 15 minutes, including any layover.

Best time to fly from Boise (BOI) to Sioux Falls (FSD)

The most popular months for travelers flying from Boise to Sioux Falls are January, April, and July, when peak temperatures in Sioux Falls reach up to 73.2°F in July. If you prefer quieter travel, consider August, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 71.4°F. For better deals, April usually offers the lowest average one-way fare around $189. Flight availability peaks in June and July, with approximately 11 flights per week, making it easier to find convenient departure times.

  • Cheapest time to fly: April usually offers good deals with average one-way fare around $189, roughly 21% cheaper than the yearly average.
  • Another budget-friendly time to fly: August typically offers an average one-way fare of around $206.
  • Most flight options: June and July have the highest number of flights from Boise to Sioux Falls, with approximately 11 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January16.9°F (-8.4°C)Moderately High8$269
February19.2°F (-7.1°C)Average8$209
March34.9°F (1.6°C)Average9$236
April46.2°F (7.9°C)Moderately High9$189
May58.6°F (14.8°C)Average8$285
June69.4°F (20.8°C)Average11$254
July73.2°F (22.9°C)Moderately High11$250
August71.4°F (21.9°C)Moderately Low8$206
September64.6°F (18.1°C)Average9$211
October49.3°F (9.6°C)Average9$259
November36.1°F (2.3°C)Moderately Low8$297
December22.8°F (-5.1°C)Moderately Low8$232

*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 Boise (BOI) to Sioux Falls (FSD)

  • Boise to Sioux City (BOI-SUX): Sioux Gateway Airport (SUX) lies approximately 83 miles from Sioux Falls Regional Airport (FSD).

How to find the best prices for flights from Boise (BOI) to Sioux Falls (FSD)

Getting some of the best deals on flights from Boise to Sioux Falls 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 to 8 weeks in advance, which coincides with when most travelers make their reservations. Morning departures, from 5 AM to 12 PM, tend to offer lower prices and are also the most popular flight times. Additionally, flying on Friday provides both cheaper fares and is the most favored 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.* Find Sioux Falls hotel and flight deals.
  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 Sioux Falls Regional Airport from Boise Airport

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

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Sioux Falls, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from Sioux Falls Regional Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Sioux Falls Regional 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.

Frequently asked questions

How much does a flight from Boise, ID (BOI) to Sioux Falls, SD (FSD-Sioux Falls Regional) cost?
You can find cheap one-way flights from $294 and cheap return flights from $319 Boise, ID (BOI) to Sioux Falls, SD (FSD-Sioux Falls Regional) with Expedia. One-way flights typically cost between $156 and $821, and return flights often range between $403 and $1305. 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 Boise, ID (BOI) 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 Boise, ID (BOI) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
January is the cheapest month to fly from Boise (BOI) to Sioux Falls (FSD), with average return fares around $394. This is about 14% lower than the average price throughout the year, as travel demand is typically lower after the holiday season. Other budget-friendly months to consider are August and September.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Boise, ID (BOI) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
Enter BOI to FSD and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Boise, ID (BOI) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
Frontier Airlines is one of the cheapest airlines offering connecting flights from Boise (BOI) to Sioux Falls Regional (FSD), with round-trip tickets starting from around $400. 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 Boise, ID (BOI) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
To find a cheap flight from Boise, ID (BOI) 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 Boise, ID (BOI) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
The best time to fly from Boise (BOI) to Sioux Falls (FSD) is in January and August. With average return flight prices around $394, these months provide a good balance of cost and travel experience, allowing you to enjoy your journey.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Boise, ID (BOI) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
The earliest flight from Boise Airport (BOI) to Sioux Falls Regional Airport (FSD) typically departs at 5:00 AM, operated by United Airlines. An early start like this can give you a head start on your day in Sioux Falls. 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 Boise, ID (BOI) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
The most popular departure times for flights from Boise, ID (BOI) to Sioux Falls, SD (FSD-Sioux Falls Regional) are in the early morning, from 6am to 9am. About 30% of passengers prefer this time window. Many major carriers, including United Airlines and American Airlines, offer flights during this window. This timing is favored as it allows you to travel early and arrive in Sioux Falls with a full day ahead.
How long does it take to fly from Boise, ID (BOI) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
Flights from BOI to FSD with one stop typically take around 8 hours 20 minutes, covering approximately 973 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 Boise, ID (BOI) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
First class seats are offered on the BOI to FSD route. First class cabins are available on:

  • American Airlines
  • United Airlines
  • Delta Air Lines

How do I earn miles on a Boise, ID (BOI) to Sioux Falls, SD (FSD-Sioux Falls Regional) flight with Expedia?
It's easy to earn miles on a Boise, ID (BOI) 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 BOI (BOI)?
From BOI (BOI), you can fly into Sioux Falls Regional (FSD) to reach Sioux Falls. Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), Denver Intl. (DEN), San Francisco Intl. (SFO) 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 Boise, ID (BOI) to Sioux Falls, SD (FSD-Sioux Falls Regional) at the last minute?
Typically, booking a last minute flight from Boise, ID (BOI) 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 Boise, ID (BOI) to Sioux Falls, SD (FSD-Sioux Falls Regional) flight and hotel package?
Securing a Boise, ID (BOI) 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 Boise, ID (BOI) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
If you booked your Boise, ID (BOI) 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
Boise
Destination airport
Sioux Falls Regional
Airlines serving
American Airlines, Delta, United
Roundtrip price
$318
Distance
973 mi

Book with confidence

Boise to Sioux Falls Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Boise 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 Boise 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 Boise to Sioux Falls in 2026. You can also book with separate airlines for your outbound and return journeys, from $294 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 Boise 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 Boise 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.

 

Boise to Sioux Falls Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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