A waterfall, a river, and ruins of an old structure.

$284 Cheap Flights from Billings (BIL) to Sioux Falls (FSD)

Cheap Flights from Billings to Sioux Falls (BIL-FSD)

Prices were available within the past 7 days and start at $284 for one-way flights and $339 for roundtrip, for the period specified. Prices and availability are subject to change.

Alternative airports near Sioux Falls

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

Find the cheapest month to fly from Billings (BIL) to Sioux Falls (FSD)

February is typically the cheapest month to fly

From $248 - $504 per traveler.

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Billings (BIL) to Sioux Falls (FSD) at a glance

Travel from Billings (BIL) to Sioux Falls (FSD) with various airlines on this domestic short-haul route. Discover options for cheap flights from Billings as you compare itineraries from full-service carriers, allowing you to select a journey that meets your budget and schedule. As you prepare for your trip from Billings, get ready to explore the iconic sights and neighborhoods of Sioux Falls. Check out the essential details for flights from Logan International Airport to Sioux Falls Regional Airport.

  • Fastest flight duration: around 3h 30m in-flight, plus roughly 1h 30m layover with one stop
  • Route distance: roughly 600 miles (970 km)
  • Flights per week: around 8 departures on average
  • Typical fares (one-way): economy tickets often range from $140–$425, depending on seasonality and how far ahead you book

Flights from Logan International Airport (BIL) to Sioux Falls Regional Airport (FSD)

Based on recent traveler preferences, here are the top airlines flying from Billings to Sioux Falls, often selected for their one-stop services. Popular layovers include Denver International Airport (DEN), with a typical layover of about 1 hour and 15 minutes, and Minneapolis - St. Paul International Airport (MSP), generally requiring around 1 hour and 45 minutes. This allows you the flexibility to balance price, total travel time, and cabin class to find the ideal itinerary.

  • United: As a comprehensive airline, United provides seamless one-stop service with one-way fares generally falling between $140 and $425. This carrier handles about 64% of flights on this route, featuring an in-flight duration of 3 hours and 30 minutes, with an overall travel time of approximately 4 hours and 45 minutes, including layovers.
  • Delta: Delta, another full-service airline, also offers one-stop options with one-way fares usually ranging from $140 to $415. This carrier makes up around 34% of departures on the route, boasting an in-flight time of 3 hours and 30 minutes, and a total journey time of about 4 hours and 45 minutes, factoring in layovers.

How to find the best prices for flights from Billings (BIL) to Sioux Falls (FSD)

Getting some of the best deals on flights from Billings 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 available when booking 2-8 weeks in advance, although most travelers tend to book within 2 weeks. Morning departures from 5 AM to 12 PM are often less expensive and are the most popular. Additionally, flying on Thursday generally offers lower prices, while Friday remains the busiest 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 Logan International Airport

Sioux Falls welcomes travelers from Billings 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.

Billings to Sioux Falls Flights

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

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

Sunday is one of the best days to book for cheap flights from Billings 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 Billings 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 Billings to Sioux Falls in 2026. You can also book with separate airlines for your outbound and return journeys, from $284 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 Billings 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 Billings 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.

Frequently Asked Questions

How much does a flight from Billings, MT (BIL-Logan Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) cost?

You can find cheap one-way flights from $284 and cheap return flights $339 Billings, MT (BIL-Logan Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) with Expedia. One-way flights generally range between $147 and $684, and roundtrip flights usually range from $341 to $1050. 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 Billings, MT (BIL-Logan Intl.) 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 Billings, MT (BIL-Logan Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?

April is the cheapest month to fly from Billings (BIL) to Sioux Falls (FSD), with average round-trip fares around $290. This price is about 23% lower than the average for the year, as spring often brings a decrease in travel demand. Other economical months to consider are February and October.

*Averages based on flights available on Expedia in the last year.

Which airlines fly direct from Billings, MT (BIL-Logan Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?

Enter BIL to FSD and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

What is the cheapest airline that flies from Billings, MT (BIL-Logan Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?

United is one of the cheapest airlines offering connecting flights from Logan Intl. (BIL) to Sioux Falls Regional (FSD), starting from around $253. 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 Billings, MT (BIL-Logan Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?

To find a cheap flight from Billings, MT (BIL-Logan Intl.) 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 Billings, MT (BIL-Logan Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?

For your journey from Billings, MT (BIL) to Sioux Falls, SD (FSD), April and October are the best months to fly. These months feature return flights at approximately $290, making them the cheapest options. April brings spring blooms, while October showcases beautiful fall colors, enhancing your travel experience.

*Prices based on flights available on Expedia in the last year.

What is the earliest flight from Billings, MT (BIL-Logan Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?

The earliest flight from Billings, MT (BIL) to Sioux Falls, SD (FSD) typically departs at around 5:00 AM, operated by American Airlines. This seasonal service is available in February, and an early flight can help you make the most of 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 Billings, MT (BIL-Logan Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?

The most popular departure times for flights from Billings, MT (BIL) to Sioux Falls, SD (FSD) are in the early morning, from 6am to 9am. About 42% of passengers prefer this time window. Many major carriers, including Delta and United Airlines, offer flights during this window. This timing works well because it allows you to arrive in Sioux Falls with plenty of time to explore.

How long does it take to fly from Billings, MT (BIL-Logan Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?

Flying from BIL to FSD with a connection usually takes about 4 hours 50 minutes, traveling roughly 599 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 Billings, MT (BIL-Logan Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?

You can fly first class between BIL and FSD. First class cabins are available on:

  • American Airlines
  • Delta Air Lines
  • United Airlines

How do I earn miles on a Billings, MT (BIL-Logan Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) flight with Expedia?

It's easy to earn miles on a Billings, MT (BIL-Logan Intl.) 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 Logan Intl. (BIL)?

If you're planning to travel to Sioux Falls from Logan Intl. (BIL), you can fly into Sioux Falls Regional (FSD) Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), Dallas-Fort Worth Intl. (DFW), Salt Lake City Intl. (SLC) 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 Billings, MT (BIL-Logan Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) at the last minute?

Typically, booking a last minute flight from Billings, MT (BIL-Logan Intl.) 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 Billings, MT (BIL-Logan Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) flight and hotel package?

Securing a Billings, MT (BIL-Logan Intl.) 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 Billings, MT (BIL-Logan Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?

If you booked your Billings, MT (BIL-Logan Intl.) 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
Billings Logan Intl. Airport
Destination airport
Sioux Falls Regional Airport
Distance
599 miles away
Airlines serving
American Airlines, Delta, United
Popular airline
American Airlines
Roundtrip price
$339
*Available to One Key members.