Cheap flights from Sioux Falls to Boise

Compare Sioux Falls to Boise flight deals

Find the cheapest month or even day of the year to fly to Boise

Book the best Boise fare with no extra fees

Find the cheapest month to fly from Sioux Falls to Boise

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

Sioux Falls to Boise: Alternative routes

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

Sioux Falls to Boise: Flight information

The things to know before you go.
Cheapest flight found$368
Cheapest month to flyJuly

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

The best price we found for a round-trip flight from Sioux Falls to Boise is $368. 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 Sioux Falls to Boise. But we found flights with one or more stops from $368.
There are no flights flying from Sioux Falls to Boise, as of June 2026.
The cheapest month to fly from Sioux Falls to Boise is usually July.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sioux Falls Airport to Boise Airport on Thursday, July 30, 2026.
No airlines currently offer direct flights between Sioux Falls Airport and Boise 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 Boise 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 Boise is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Delta offers the cheapest flight tickets to Boise.

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

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Show up at the airport on time to catch your FSD to BOI flight.

  • You can expect longer lines in popular months such as May. Arriving up to four hours in advance for an international flight and two hours for domestic departures will give you ample time for security and boarding.

  • We make it easy to book a flight with a stopover. To see your options for tickets from Sioux Falls Airport to Boise Airport, deselect 'Direct flights only.' Then, choose a flight that has a stop long enough to tour your chosen city. Stopovers between FSD and BOI include:

    • Chicago O'Hare International Airport

    • Denver International Airport

    • Harry Reid International Airport

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

  • Currently, $205 is the lowest price we've found for a one-way Sioux Falls Airport to Boise Airport flight. The best price for a return plane ticket is $368. Keep in mind that fares could change due to demand at the time of booking.

  • To pick up cheap tickets from FSD to BOI, book early. Airlines typically offer their most competitively priced fares when flights are first released.

  • The 'Whole month' tool shows you the cheapest flights from Sioux Falls Airport to Boise Airport across each month. It's a great way to find a bargain if your trip dates are flexible.

  • Never miss a deal on cheap flights from FSD to BOI by setting up a Price Alert. You'll get an email or notification on the app when a lower fare becomes available.

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

Handy information about Sioux Falls Airport (FSD)

  • The address for FSD is 2801 Jaycee Lane.

  • 70% of flights taking off from Sioux Falls Airport make it to their destination on schedule.

  • Sioux Falls Airport is around 10 kilometers from central Sioux Falls. If you're ride-sharing, catching a cab or driving from the center, it'll take you 15 minutes or so to get there, depending on the traffic.

  • Expect a trip time of roughly 35 minutes on public transport.

  • Have an early flight from Sioux Falls Airport to Boise Airport? Avoid the last-minute rush to the terminal (and get some extra shut-eye) by choosing one of these stays near FSD:

Arriving at Boise Airport (BOI)

Getting from Boise Airport (BOI) to central Boise

  • BOI is located at 3201 Airport Way.

  • Boise Airport is roughly 6 kilometers from the center of Boise. The drive time takes around 15 minutes.

  • It typically takes 30 minutes if you're using public transport.

When to fly to Boise Airport (BOI)

  • The quietest month for a flight from Sioux Falls Airport to Boise Airport is March, while October is the most popular. Choose the best time to visit Boise based on whether you prefer a more relaxed vibe or a faster pace.

  • The warmest month in Boise is July, with temperatures ranging between 15ºC (59ºF) and 35ºC (95ºF). Lock in your flights from Sioux Falls Airport to Boise Airport in this month if this is the kind of weather you like.

  • If you want to travel in cooler conditions, search for a cheap ticket from FSD to BOI in January. Average temperatures are between -11ºC (12ºF) and 5ºC (41ºF) then.

Explore more of the United States

  • Spokane is just one of the many cities in the United States waiting to be discovered once you've taken in the sights of Boise. Around 467 kilometers away to the north, its top attractions include Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes.

  • Around 483 kilometers south-east of Boise, Salt Lake City is another favorite stop in the United States. Experience major highlights starting with Salt Lake Utah Temple, Temple Square and Salt Lake City Tabernacle.

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