Cheap flights from Boise to Sioux Falls

Compare Boise to Sioux Falls flight deals

Find the cheapest month or even day of the year to fly to Sioux Falls

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Flight deals from Boise to Sioux Falls

Looking for a cheap last-minute deal or the best round-trip flight from Boise Airport to Sioux Falls Airport? If you want to travel next month, round-trip fares start from $370. Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Boise to Sioux Falls

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Boise to Sioux Falls flights are currently cheapest in September.

Boise to Sioux Falls: Alternative routes

Compare routes from Boise to Sioux Falls below. You may find an airport to fly into that's cheaper, faster, or easier than Sioux Falls.

Boise to Sioux Falls: Flight information

The things to know before you go.
Cheapest flight found$313
Cheapest month to flySeptember

Finding cheap flights from Boise to Sioux Falls: Frequently asked questions

The best price we found for a round-trip flight from Boise to Sioux Falls is $313. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Boise to Sioux Falls. But we found flights with one or more stops from $313.
There are no flights flying from Boise to Sioux Falls, as of June 2026.
The cheapest month to fly from Boise to Sioux Falls is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Boise Airport to Sioux Falls Airport on Wednesday, September 2, 2026.
No airlines currently offer direct flights between Boise Airport and Sioux Falls Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Sioux Falls but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Sioux Falls is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Delta offers the cheapest flight tickets to Sioux Falls.

Flying from Boise Airport (BOI) to Sioux Falls Airport (FSD): what you need to know

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for stress-free travel. Be at the airport with enough time to board your BOI to FSD flight.

  • Flying during a peak time such as October? Public holidays and other popular seasons can lead to longer queues and delays at security. Be extra cautious and get there up to four hours ahead of an international flight and two hours before domestic departures.

  • Consider adding a stopover when booking your ticket from Boise Airport to Sioux Falls Airport. Just deselect 'Direct flights only' to break up your journey, or even explore someplace new along the way. Check out these options between BOI and FSD:

    • Denver International Airport

    • Phoenix Sky Harbor Airport

    • Minneapolis St Paul Airport

How to find the cheapest flights from Boise Airport (BOI) to Sioux Falls Airport (FSD)

  • $202 is the lowest price for a one-way Boise Airport to Sioux Falls Airport flight. A return flight starts from $313. These fares can change based on demand.

  • It's usually best to book early if you're hoping to get cheap tickets from BOI to FSD. That's because airlines adjust prices based on demand, which tends to increase closer to departure.

  • Finding cheap flights from Boise Airport to Sioux Falls Airport is more likely if you can be flexible with your travel dates. Use the 'Whole month' search tool to see the lowest fares across the month and snap up a great deal.

  • Picking up cheap flights from BOI to FSD is a piece of cake with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know as soon as fares go down.

  • Tailor your trip with filters. Pick your arrival and departure times, total journey duration and airlines. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest' flights from Boise Airport to Sioux Falls Airport.

Handy information about Boise Airport (BOI)

  • BOI's address is 3201 Airport Way.

  • Boise Airport has a strong on-time performance, reducing the likelihood of delays. Departures from BOI land at their destination as scheduled 84% of the time.

  • Boise Airport is around 6 kilometers from central Boise. If you're catching a cab, ride-sharing or driving from the center, it'll take you 15 minutes or so to arrive, depending on the traffic.

  • Planning to catch public transport? You can expect a journey time of around 30 minutes.

  • Get your break off to a leisurely start by staying near BOI. Whether you're catching an early flight from Boise Airport to Sioux Falls Airport or just don't want to be rushed, these hotels are perfect:

Arriving at Sioux Falls Airport (FSD)

Getting from Sioux Falls Airport (FSD) to central Sioux Falls

  • FSD is located at 2801 Jaycee Lane.

  • From Sioux Falls Airport, Sioux Falls is approximately 10 kilometers away. It takes around 15 minutes to reach the center by car.

  • It takes roughly 35 minutes if you're traveling by public transport.

When to fly to Sioux Falls Airport (FSD)

  • May is the busiest month for flights from Boise Airport to Sioux Falls Airport. For a quieter experience, go to Sioux Falls in March.

  • The warmest month in Sioux Falls is July, with temperatures ranging between 14ºC (57ºF) and 31ºC (88ºF). Lock in your flights from Boise Airport to Sioux Falls Airport in this month if this is the kind of weather you like.

  • January sees average temperatures of between -17ºC (1ºF) and 0ºC (32ºF). Look for cheap tickets from BOI to FSD sometime around then if you like traveling in cooler conditions.

Explore more of the United States

  • Sioux Falls is always a good idea, but there are so many other parts of the United States just waiting to be discovered. Around 257 kilometers south of Sioux Falls, a trip to Omaha will keep you busy. Start with leading sights like Kiewit Luminarium, OUR BODY: The Universe Within and Orpheum Theater.

  • Minneapolis is another essential stop in the United States and is around 322 kilometers north-east of Sioux Falls. No trip is complete without a visit to Walker Art Center, Minneapolis Institute of Art and Minnehaha Regional Park.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.